Abdul Sultan

Sultan AH, Nicholls RJ, Kamm MA, Hudson CN, Beynon J, Bartram CI. Anal Endosonography and correlation with in vitro and in vivo anatomy.  British Journal of Surgery 1992; 80:808-811.

Sultan AH, Kamm MA, Hudson CN, Thomas JM, Bartram CI.  Anal sphincter disruption during vaginal delivery. New England Journal of Medicine, 1993;329:1905-11 

Sultan AH, Kamm MA, Hudson CN, Bartram CI. Effects of pregnancy on anal sphincter function and morphology. International Journal of Colorectal Disease 1993;8:206-9 

Sultan AH, Kamm MA, Bartram CI, Hudson CN. Anal sphincter trauma during instrumental delivery.  A comparison between forceps and vacuum extraction. International Journal of Gynecology & Obstetrics 1993;43:263-70

Sultan AH, Kamm MA, Hudson CN. Pudendal nerve damage during labour: prospective study before and after childbirth. British Journal of Obstetrics and Gynaecology 1994;101:22-28

Sultan AH, Kamm MA, Talbot IC, Nicholls RJ, Bartram CI. Anal endosonography: Precision of identifying sphincter defects confirmed histologically. British Journal of Surgery 1994;81:466-469.

Sultan AH, Kamm MA, Nicholls RJ, Hudson CN, Bartram CI. Endosonography of the anal sphincters: normal anatomy and comparison with manometry.  Clinical Radiology 1994;49:368-374. 

Sultan AH, Kamm MA, Hudson CN, Bartram CI.  Third degree obstetric anal sphincter tears: risk factors and outcome of primary repair.  British Medical Journal 1994;308:887-891

Sultan AH, Kamm MA, Nicholls RJ, Bartram CI. Internal anal sphincter division during lateral sphincterotomy. Prospective ultrasound study.  Diseases of the Colon & Rectum 1994;37:1031-1033

Lunniss PJ, Barker PG, Sultan AH, Armstrong P, Reznek RH, Bartram CI, Cottam KS, Phillips RKS. Magnetic resonance imaging of fistula-in-ano. Diseases of the Colon & Rectum 1994:37:708-718.

Engel AF, Sultan AH, Kamm MA, Nicholls RJ, Bartram CI. Outcome after anterior obstetric sphincter repair. British Journal of Surgery 1994:81:1231-1234 

Sultan AH, Loder PB, Bartram CI, Kamm MA, Hudson CN. Vaginal Endosonography: new technique to image the undisturbed anal sphincter. Diseases of the Colon & Rectum, 1994;37:1296-1299. 

Sultan AH, Kamm MA, Hudson CN. Obstetric perineal tears: an audit of training. Journal of Obstetrics & Gynaecology 1995;15:19-23.

Halligan S, Sultan A, Rottenberg G, Bartram CI. Endosonography of the anal sphincters in solitary rectal ulcer syndrome. International Journal of Colorectal Disease 1995;10:79-82.

Sultan AH, Johanson RB, Carter JE. Occult anal sphincter trauma following randomized forceps and vacuum delivery. International Journal of Gynecology and Obstetrics 1998;61:113-9

Sultan AH, Monga AM, Kumar D, Stanton SL. Primary repair of obstetric anal sphincter rupture using the overlap technique. British Journal of  Obstetrics & Gynaecology, 1999;106:318-23

Johanson RB, Heycock E, Carter J, Sultan AH, Walklate K, Jones PW.  Maternal and child health after assisted vaginal delivery: five year follow up of a randomised controlled study comparing forceps and ventouse. British Journal of Obsterics and Gynaecology 1999:106:544-49.

Butler-Manuel SA, Summervile, Ford A, Blake P, Riley AJ, Sultan AH, Monga AK, Stanton SL, Shepherd JH, Barton DPJ. Self-assessment of morbidity following radical hysterectomy for cervical cancer. Journal of obstetrics and Gynaecology, 1999,19 (2):182-3.

Chaliha C, Kalia V,Stanton SL, Monga A, Sultan AH. Antenatal prediction of postpartum urinary and fecal incontinence. Obstetrics and Gynecology 1999;94:689-94

Chaliha C, Kalia V Stanton SL, Monga A, Sultan AH. Pregnancy and delivery: a urodynamic viewpoint. British Journal of Obstetrics and Gynaecology 2000;107:1354-1359

Chaliha C, Sultan AH, Kalia V, Monga AK, Stanton SL.  Anal function:  effect of pregnancy and delivery.  American Journal of Obstetrics and Gynecology 2001;185:427-32

Carter J, Johanson R, Heycock E, Sultan A, Walklate K, Jones P. Long–term health after childbirth. British Journal of Midwifery 2001;9(12):748-53

Fernando RJ, Sultan AH, Radley S, Jones PW, Johanson RB. Management of obstetric anal sphincter injury: A systematic review and national practice survey. BMC Health Services Research 2002;2:9

Chaliha C, Khullar V, Stanton SL, Monga A, Sultan AH. Urinary symptoms in pregnancy: are they useful for diagnosis. British Journal of Obstetrics and Gynaecology 2002;109:1181-1183

Sultan AH, Amin R. Effective menopause management. Health and Ageing. 2003;6 (1):3-5 

Peschers UM, Sultan AH, Jundt K, Mayer A, Drinovac V, Dimpfl T. Urinary and anal incontinence after vacuum delivery. European Journal of Obstetrics, Gynaecology and Reproductive Biology 2003;110: 39-42.

Chapple CR, Haab F, Cervigni M, Dannecker C, Fianu-Jonasson A, Sultan AH. An open, multicentre study of NASHA/Dx gel (ZuidexTM) for the treatment of stress urinary incontinence. European Urology 2005;48:488-94

Andrews V, Thakar R, Sultan AH, Jones PW. Are mediolateral episiotomies actually mediolateral? BJOG 2005;112:1156-8

Andrews V, Thakar R, Sultan AH, Kettle C. Can hands-on perineal repair courses affect clinical practice. Br J Midwifery 2005;13(9):562-5

Andrews V, Sultan AH, Thakar R, Jones PW. Occult anal sphincter injuries – myth or reality? BJOG 2006; 113:195-200

Andrews V, Sultan AH, Thakar R, Jones PW. Risk factors for obstetric anal sphincter injury: a prospective study. Birth 2006;33:117-122.

Fernando RJ, Sultan AH, Kettle C, Radley S, Jones P, O’Brien PMS. Repair techniques for obstetric anal sphincter injuries. A randomized controlled trial. Obstet Gynecol 2006;107:1261-8

Uchil D, Thakar R, Sultan AH, Seymour J, Addison R. Continence pads: have  we got it right? Int Urogynecol J 2006;17(3):234-8.

Fernando R, Thakar R, Sultan AH, Shah S, Jones P. Are vaginal pessaries effective in controlling symptoms associated with pelvic organ prolapse? Obstet Gynaecol 2006;108(1):93-9.

Chaliha C, Sultan AH, Emmanuel AV. Normal ranges for anorectal manometry and sensation in women of reproductive age. Colorectal Disease 2007;9:839-44.

Singh A, Scheer I, Thakar R, Sultan AH. Trials and tribulations of the new National Health Service consent form. J Obstet Gynaecol 2007; 27(5):475-8

Kapoor D, Sultan AH, Thakar R, Abulafi MA, Swift I, Ness W. Management of complex pelvic floor disorders in a multidisciplinary pelvic floor Clinic. Colorectal Disease 2008;10:118-123

Scheer I, Andrews V, Thakar R, Sultan AH. Urinary incontinence after obstetric anal sphincter injuries (OASIS)- is there a relationship? Int Urogynecol J 2008 9(2):179-83.

Andrews V, Thakar R, Sultan AH, Jones PW.  Evaluation of post partum perineal pain and dyspareunia – A prospective study.   European Journal of Obstetrics & Gynecology and Reproductive Biology 2008;137:152-6

Thakar R, Chawla S, Scheer I, Barrett G, Sultan AH. Sexual function following pelvic floor surgery.  Int J Gynaecol Obstet. 2008;102(2):110-4.

Roos AM, Thakar R, Sultan AH, Scheer I.  Female sexual dysfunction: are urogynecologists ready for it?  Int Urogynecol J 2009;20 (1):89-101

Andrews V, Thakar R, Sultan AH. Structured hands-on training in repair of obstetric anal sphincter injuries (OASIS): an audit of clinical practice. Int Urogynecol J  2009; 20(2):193-9.

Roos AM, Thakar R, Sultan AH. St. Mark's incontinence score for assessment of anal incontinence following obstetric anal sphincter injuries (OASIS). Int Urogynecol J 2009;20(4):407-10. 

Scheer I, Thakar R, Sultan AH. Mode of delivery after previous obstetric anal sphincter injuries (OASIS) – a reappraisal. Int Urogynecol J  2009; 20:1095-1101

Oliver R, Thakar R, Sultan AH, Phillimore A. Urogynecology triage clinic: model of healthcare delivery. Int Urogynecol J 2009;20:913-918 

Andrews V, Thakar R, Sultan AH. Outcome of obstetric anal sphincter injuries (OASIS)--role of structured management. Int Urogynecol J Pelvic Floor Dysfunct. 2009 Aug;20(8):973-8. doi: 10.1007/s00192-009-0883-0. Epub 2009 May 5. PMID: 19415154.

Kapoor DS, Thakar R, Sultan AH, Oliver R. Conservative versus surgical management of prolapse: what dictates patient choice? Int Urogynecol J Pelvic Floor Dysfunct. 2009 Oct;20(10):1157-61. doi: 10.1007/s00192-009-0930-x. Epub 2009 Jun 19. PMID: 19543676.

Lone F, Sultan AH, Thakar R. Long-term outcome of transurethral injection of hyaluronic acid/dextranomer (NASHA/Dx gel) for the treatment of stress urinary incontinence (SUI). Int Urogynecol J. 2010 Nov;21(11):1359-64. doi: 10.1007/s00192-010-1211-4. Epub 2010 Jun 23. PMID: 20571764.

Lone F, Sultan AH, Thakar R, Beggs A. Risk factors and management patterns for emergency obstetric hysterectomy over 2 decades. Int J Gynaecol Obstet. 2010 Apr;109(1):12-5. doi: 10.1016/j.ijgo.2009.10.012. Epub 2009 Dec 1. PMID: 19951818.

Beggs AD, Irukulla S, Sultan AH, Ness W, Abulafi AM. A pilot study of ultrasound guided Durasphere injection in the treatment of faecal incontinence. Colorectal Dis. 2010 Sep;12(9):935-40. doi: 10.1111/j.1463-1318.2009.01927.x. Epub 2009 Apr 27. PMID: 19438887.

Roos AM, Thakar R, Sultan AH. Outcome of primary repair of obstetric anal sphincter injuries (OASIS): does the grade of tear matter? Ultrasound Obstet Gynecol. 2010 Sep;36(3):368-74. doi: 10.1002/uog.7512. PMID: 20069661.

Abdool Z, Thakar R, Sultan AH, Oliver RS. Prospective evaluation of outcome of vaginal pessaries versus surgery in women with symptomatic pelvic organ prolapse. Int Urogynecol J. 2011 Mar;22(3):273-8. doi: 10.1007/s00192-010-1340-9. Epub 2010 Dec 16. PMID: 21161179.

Roos AM, Abdool Z, Sultan AH, Thakar R. The diagnostic accuracy of endovaginal and transperineal ultrasound for detecting anal sphincter defects: The PREDICT study. Clin Radiol. 2011 Jul;66(7):597-604. doi: 10.1016/j.crad.2010.11.017. Epub 2011 Mar 25. PMID: 21440249.

Elenskaia K, Thakar R, Sultan AH, Scheer I, Beggs A. The effect of pregnancy and childbirth on pelvic floor muscle function. Int Urogynecol J. 2011 Nov;22(11):1421-7. doi: 10.1007/s00192-011-1501-5. Epub 2011 Jul 26. PMID: 21789660.

Roos AM, Sultan AH, Thakar R. Sexual problems in the gynecology clinic: are we making a mountain out of a molehill? Int Urogynecol J. 2012 Feb;23(2):145-52. doi: 10.1007/s00192-011-1516-y. Epub 2011 Jul 28. PMID: 21796468.

Freeman R, Holmes D, Hillard T, Smith P, James M, Sultan A, Morley R, Yang Q, Abrams P. What patients think: patient-reported outcomes of retropubic versus trans-obturator mid-urethral slings for urodynamic stress incontinence--a multi-centre randomised controlled trial. Int Urogynecol J. 2011 Mar;22(3):279-86. doi: 10.1007/s00192-010-1343-6. Epub 2011 Jan 11. PMID: 21222114.

Lone F, Thakar R, Sultan AH, Karamalis G. A 5-year prospective study of vaginal pessary use for pelvic organ prolapse. Int J Gynaecol Obstet. 2011 Jul;114(1):56-9. doi: 10.1016/j.ijgo.2011.02.006. Epub 2011 May 14. PMID: 21575953.

Roos AM, Abdool Z, Thakar R, Sultan AH. Predicting anal sphincter defects: the value of clinical examination and manometry. Int Urogynecol J. 2012 Jun;23(6):755-63. doi: 10.1007/s00192-011-1609-7. Epub 2011 Nov 18. PMID: 22095551.

Naidu M, Sultan AH, Thakar R. Convalescence advice following gynaecological surgery. J Obstet Gynaecol. 2012 Aug;32(6):556-9. doi: 10.3109/01443615.2012.693983. PMID: 22779961.

Andrews V, Shelmeridine S, Sultan AH, Thakar R. Anal and urinary incontinence 4 years after a vaginal delivery. Int Urogynecol J. 2013 Jan;24(1):55-60. doi: 10.1007/s00192-012-1835-7. Epub 2012 Jul 4. PMID: 22760264.

Lone FW, Thakar R, Sultan AH, Stankiewicz A. Accuracy of assessing Pelvic Organ Prolapse Quantification points using dynamic 2D transperineal ultrasound in women with pelvic organ prolapse. Int Urogynecol J. 2012 Nov;23(11):1555-60. doi: 10.1007/s00192-012-1779-y. Epub 2012 Apr 28. PMID: 22543548.

Johnson A, Thakar R, Sultan AH. Obstetric perineal wound infection: is there underreporting? Br J Nurs. 2012 Mar 8-21;21(5):S28, S30, S32-5. doi: 10.12968/bjon.2012.21.Sup5.S28. PMID: 22489339.

Lone F, Thakar R, Sultan AH, Stankiewicz A. Prospective evaluation of change in levator hiatus dimensions using 3D endovaginal ultrasound before and 1 year after treatment for female pelvic organ prolapse. International Urogynecology Journal. 2012 Sep 28. [Epub ahead of print]

Elenskaia K, Thakar R, Sultan AH, Scheer I, Onwude J. Pelvic organ support, symptoms and quality of life during pregnancy: a prospective study. Int Urogynecol J. 2013 Jul;24(7):1085-90. doi: 10.1007/s00192-012-1935-4. Epub 2012 Sep 22. PMID: 23001047.

Elenskaia K, Thakar R, Sultan AH, Scheer I, Onwude J. Effect of childbirth on pelvic organ support and quality of life: a longitudinal cohort study. Int Urogynecol J. 2013 Jun;24(6):927-37. doi: 10.1007/s00192-012-1932-7. Epub 2012 Sep 7. PMID: 22955252.

Rømmen K, Schei B, Rydning A, Sultan AH, Mørkved S. Prevalence of anal incontinence among Norwegian women: a cross-sectional study. BMJ Open. 2012 Jul 30;2(4). pii: e001257. doi: 10.1136/bmjopen-2012-001257.

Roos AM, Thakar R, Sultan AH, Burger CW, Paulus AT. Pelvic floor dysfunction: women's sexual concerns unraveled. J Sex Med. 2014 Mar;11(3):743-52. doi: 10.1111/jsm.12070. Epub 2013 Jan 24. PMID: 23347592.

van Delft K, Schwertner-Tiepelmann N, Thakar R, Sultan AH. Inter-rater reliability of assessment of levator ani muscle strength and attachment to the pubic bone in nulliparous women. Ultrasound Obstet Gynecol. 2013 Sep;42(3):341-6. doi: 10.1002/uog.12426. PMID: 23371476.

van Delft K, Thakar R, Shobeiri SA, Sultan AH. Levator hematoma at the attachment zone as an early marker for levator ani muscle avulsion. Ultrasound Obstet Gynecol. 2014 Feb;43(2):210-7. doi: 10.1002/uog.12571. PMID: 23893754.

van Delft K, Schwertner-Tiepelmann N, Thakar R, Sultan AH. Recruitment of pregnant women in research. J Obstet Gynaecol. 2013 Jul;33(5):442-6. doi: 10.3109/01443615.2013.767787. PMID: 23815192.

Roos AM, Thakar R, Sultan AH, de Leeuw JW, Paulus AT. The impact of pelvic floor surgery on female sexual function: a mixed quantitative and qualitative study. BJOG. 2014 Jan;121(1):92-100; discussion 101. doi: 10.1111/1471-0528.12412. Epub 2013 Sep 10. PMID: 24020923.

McPherson KC, Beggs AD, Sultan AH, Thakar R. Can the risk of obstetric anal sphincter injuries (OASIs) be predicted using a risk-scoring system? BMC Res Notes. 2014 Jul 24;7:471. doi: 10.1186/1756-0500-7-471. PMID: 25056485; PMCID: PMC4119183.

Lone F, Sultan AH, Stankiewicz A, Thakar R, Wieczorek AP. Vascularity of the urethra in continent women using colour doppler high-frequency endovaginal ultrasonography. Springerplus. 2014 Oct 20;3:619. doi: 10.1186/2193-1801-3-619. PMID: 25392789; PMCID: PMC4216823.

Reid AJ, Beggs AD, Sultan AH, Roos AM, Thakar R. Outcome of repair of obstetric anal sphincter injuries after three years. Int J Gynaecol Obstet. 2014 Oct;127(1):47-50. doi: 10.1016/j.ijgo.2014.04.013. Epub 2014 Jun 12. PMID: 25097141; PMCID: PMC4175217.

Naidu M, Thakar R, Sultan AH. Outcomes of minimally invasive suburethral slings with and without concomitant pelvic organ prolapse surgery. Int J Gynaecol Obstet. 2014 Oct;127(1):69-72. doi: 10.1016/j.ijgo.2014.04.017. Epub 2014 Jun 19. PMID: 24994496.

Lone F, Sultan AH, Stankiewicz A, Thakar R. The value of pre-operative multicompartment pelvic floor ultrasonography: a 1-year prospective study. Br J Radiol. 2014 Aug;87(1040):20140145. doi: 10.1259/bjr.20140145. Epub 2014 Jun 24. PMID: 24959953; PMCID: PMC4112391.

van Delft KW, Sultan AH, Thakar R, Shobeiri SA, Kluivers KB. Agreement between palpation and transperineal and endovaginal ultrasound in the diagnosis of levator ani avulsion. Int Urogynecol J. 2015 Jan;26(1):33-9. doi: 10.1007/s00192-014-2426-6. Epub 2014 May 24. PMID: 24859796.

Thiagamoorthy G, Johnson A, Thakar R, Sultan AH. National survey of perineal trauma and its subsequent management in the United Kingdom. Int Urogynecol J. 2014 Dec;25(12):1621-7. doi: 10.1007/s00192-014-2406-x. Epub 2014 May 16. PMID: 24832856.

van Delft K, Shobeiri SA, Thakar R, Schwertner-Tiepelmann N, Sultan AH. Intra- and interobserver reliability of levator ani muscle biometry and avulsion using three-dimensional endovaginal ultrasonography. Ultrasound Obstet Gynecol. 2014 Feb;43(2):202-9. doi: 10.1002/uog.13193. PMID: 23939804.

van Delft K, Thakar R, Shobeiri SA, Sultan AH. Levator hematoma at the attachment zone as an early marker for levator ani muscle avulsion. Ultrasound Obstet Gynecol. 2014 Feb;43(2):210-7. doi: 10.1002/uog.12571. PMID: 23893754.

van Delft K, Thakar R, Sultan AH, Schwertner-Tiepelmann N, Kluivers K. Levator ani muscle avulsion during childbirth: a risk prediction model. BJOG. 2014 Aug;121(9):1155-63; discussion 1163. doi: 10.1111/1471-0528.12676. Epub 2014 Mar 5. PMID: 24593314.

van Delft K, Sultan AH, Thakar R, Schwertner-Tiepelmann N, Kluivers K. The relationship between postpartum levator ani muscle avulsion and signs and symptoms of pelvic floor dysfunction. BJOG. 2014 Aug;121(9):1164-71; discussion 1172. doi: 10.1111/1471-0528.12666. Epub 2014 Feb 19. PMID: 24548759.

Roos AM, Thakar R, Sultan AH, de Leeuw JW, Paulus AT. The impact of pelvic floor surgery on female sexual function: a mixed quantitative and qualitative study. BJOG. 2014 Jan;121(1):92-100; discussion 101. doi: 10.1111/1471-0528.12412. Epub 2013 Sep 10. PMID: 24020923.

Naidu M, Kapoor DS, Evans S, Vinayakarao L, Thakar R, Sultan AH. Cutting an episiotomy at 60 degrees: how good are we? Int Urogynecol J. 2015 Jun;26(6):813-6. doi: 10.1007/s00192-015-2625-9. Epub 2015 Feb 6. PMID: 25656454.

van Delft KW, Thakar R, Sultan AH, IntHout J, Kluivers KB. The natural history of levator avulsion one year following childbirth: a prospective study. BJOG. 2015 Aug;122(9):1266-73. doi: 10.1111/1471-0528.13223. Epub 2014 Dec 17. PMID: 25514994.

van Delft K, Thakar R, Sultan AH. Pelvic floor muscle contractility: digital assessment vs transperineal ultrasound. Ultrasound Obstet Gynecol. 2015 Feb;45(2):217-22. doi: 10.1002/uog.13456. PMID: 25044167.

Kessels IM, Fütterer JJ, Sultan AH, Kluivers KB. Clinical symptoms related to anal sphincter defects and atrophy on external phased-array MR imaging. Int Urogynecol J. 2015 Nov;26(11):1619-27. doi: 10.1007/s00192-015-2743-4. Epub 2015 Jun 4. PMID: 26040812; PMCID: PMC4611013.

Lone F, Thakar R, Sultan AH. One-year prospective comparison of vaginal pessaries and surgery for pelvic organ prolapse using the validated ICIQ-VS and ICIQ-UI (SF) questionnaires. Int Urogynecol J. 2015 Sep;26(9):1305-12. doi: 10.1007/s00192-015-2686-9. Epub 2015 Apr 11. PMID: 25862241.

Lone F, Sultan AH, Stankiewicz A, Thakar R. Interobserver agreement of multicompartment ultrasound in the assessment of pelvic floor anatomy. Br J Radiol. 2016;89(1059):20150704. doi: 10.1259/bjr.20150704. Epub 2016 Jan 22. PMID: 26800394; PMCID: PMC4986489.

Lone F, Thakar R, Wieczorek AP, Sultan AH, Stankiewicz A. Assessment of urethral vascularity using 2D colour Doppler high-frequency endovaginal ultrasonography in women treated for symptomatic stress urinary incontinence: 1-year prospective follow-up study. Int Urogynecol J. 2016 Jan;27(1):85-92. doi: 10.1007/s00192-015-2800-z. Epub 2015 Aug 5. PMID: 26243181.

Rostaminia G, Peck JD, Van Delft K, Thakar R, Sultan A, Shobeiri SA. New Measures for Predicting Birth-Related Pelvic Floor Trauma. Female Pelvic Med Reconstr Surg. 2016 Sep-Oct;22(5):292-6. doi: 10.1097/SPV.0000000000000282. PMID: 27054796; PMCID: PMC5002232.

Zimmo K, Laine K, Vikanes Å, Fosse E, Zimmo M, Ali H, Thakar R, Sultan AH, Hassan S. Diagnosis and repair of perineal injuries: knowledge before and after expert training-a multicentre observational study among Palestinian physicians and midwives. BMJ Open. 2017 Apr 7;7(4):e014183. doi: 10.1136/bmjopen-2016-014183

Volløyhaug I, van Gruting I, van Delft K, Sultan AH, Thakar R. Is bladder neck and urethral mobility associated with urinary incontinence and mode of delivery 4 years after childbirth? Neurourol Urodyn. 2017 Jun;36(5):1403-1410. doi: 10.1002/nau.23123. Epub 2016 Oct 24. PMID: 27778369.

Naidu M, Sultan AH, Thakar R. Reducing obstetric anal sphincter injuries using perineal support: our preliminary experience. Int Urogynecol J. 2017 Mar;28(3):381-389. doi: 10.1007/s00192-016-3176-4. Epub 2016 Oct 19. PMID: 27761586.

Naidu M, Sultan AH, Thakar R. Reducing obstetric anal sphincter injuries using perineal support: our preliminary experience. Int Urogynecol J. 2017 Mar;28(3):381-389. doi: 10.1007/s00192-016-3176-4. Epub 2016 Oct 19. PMID: 27761586.

Sioutis D, Thakar R, Sultan AH. Overdiagnosis and rising rate of obstetric anal sphincter injuries (OASIS): time for reappraisal. Ultrasound Obstet Gynecol. 2017 Nov;50(5):642-647. doi: 10.1002/uog.17306. PMID: 27643513.

Balachandran AA, Duvalla S, Sultan AH, Thakar R. Are obstetric outcomes affected by female genital mutilation? Int Urogynecol J. 2018, 29: 339-344. doi: 10.1007/s00192-017-3466-5. [Epub ahead of print] PubMed PMID: 28889193

Van Gruting IMA, Stankiewicz A, Kluivers K, De Bin R, Blake H, Sultan AH, Thakar R. Accuracy of Four Imaging Techniques for Diagnosis of Posterior Pelvic Floor Disorders. Obstet Gynecol. 2017 Nov;130(5):1017-1024. doi:10.1097/AOG.0000000000002245. PubMed PMID: 29016504

Jordan PA, Naidu M, Thakar R, Sultan AH. Effect of subsequent vaginal delivery on bowel symptoms and anorectal function in women who sustained a previous obstetric anal sphincter injury. Int Urogynecol J. 2018 Nov;29(11):1579-1588. doi: 10.1007/s00192-018-3601-y. Epub 2018 Mar 29. PMID: 29600403; PMCID: PMC6208957.

Van Gruting IMA, Kluivers K, Sultan AH, De Bin R, Stankiewicz A, Blake H, Thakar R. Has 4D transperineal ultrasound additional value over 2D transperineal ultrasound for diagnosing obstructed defaecation syndrome? Ultrasound Obstet Gynecol. 2018 Jun 8. doi: 10.1002/uog.19105

Arendsen LP, Vig S, Thakar R, Sultan AH. Impact of copper compression stockings on venous insufficiency and lipodermatosclerosis: A randomised controlled trial. Phlebology. 2019 May;34(4):224-230. doi: 10.1177/0268355518795329. Epub 2018 Aug 27. PMID: 30149775.

Knight M, Mottram L, Gray S, Partlett C, Juszczak E, ANODE collaborative group. Prophylactic antibiotics for the prevention of infection following operative vaginal delivery (ANODE): study protocol for a randomised controlled trial. Trials. 2018 Jul 24;19(1):395. doi:10.1186/s13063-018-2787-0

Knight M, Chiocchia V, Partlett C, Rivero-Arias O, Hua X, Bowler U, Gray J, Gray S, Hinshaw K, Khunda A, Moore P, Mottram L, Owino N, Pasupathy D, Sanders J, Sultan AH, Thakar R, Tuffnell D, Linsell L, Juszczak E. Intravenous co-amoxiclav to prevent infection after operative vaginal delivery: the ANODE RCT. Health Technol Assess. 2019 Oct;23(54):1-54. doi: 10.3310/hta23540. PMID: 31590702; PMCID: PMC6801364.

Knight M, Chiocchia V, Partlett C, Rivero-Arias O, Hua X, Hinshaw K, Tuffnell D, Linsell L, Juszczak E; ANODE collaborative group. Prophylactic antibiotics in the prevention of infection after operative vaginal delivery (ANODE): a multicentre randomised controlled trial. Lancet. 2019 Jun 15;393(10189):2395-2403. doi: 10.1016/S0140-6736(19)30773-1. Epub 2019 May 13. Erratum in: Lancet. 2019 Jun 15;393(10189):2394. PubMed PMID: 31097213; PubMed Central PMCID: PMC6584562

Volløyhaug I, Taithongchai A, van Gruting I, Sultan A, Thakar R. Levator ani morphology and function in women who have sustained obstetric anal sphincter injuries. Ultrasound Obstet Gynecol. 2018 Sep11. doi: 10.1002/uog.20115

Taithongchai A, Sultan AH, Wieczorek PA, Thakar R. Clinical application of 2D and 3D pelvic floor ultrasound of mid-urethral slings and vaginal wall mesh. Int Urogynecol J. 2019 Sep;30(9):1401-1411. doi: 10.1007/s00192-019-03973-2. Epub 2019 May 11. PMID: 31079196.

Taithongchai A, van Gruting IMA, Volløyhaug I, Arendsen LP, Sultan AH, Thakar R. Comparing the diagnostic accuracy of 3 ultrasound modalities for diagnosing obstetric anal sphincter injuries. Am J Obstet Gynecol. 2019 Aug;221(2):134.e1-134.e9. doi: 10.1016/j.ajog.2019.04.009. Epub 2019 Apr 11. PMID: 30981717.

Sultan AH, Thakar R, Ismail KM, Kalis V, Laine K, Räisänen SH, de Leeuw JW. The role of mediolateral episiotomy during operative vaginal delivery. Eur J Obstet Gynecol Reprod Biol. 2019 Sep;240:192-196. doi: 10.1016/j.ejogrb.2019.07.005. Epub 2019 Jul 9. PMID: 31310920.

Taithongchai A, Sultan AH, Thakar R. Autologous rectus fascial slings for stress urinary incontinence: can we see them on ultrasound? Int Urogynecol J. 2020 Feb;31(2):415-417. doi: 10.1007/s00192-019-04056-y. Epub 2019 Jul 25. PMID: 31346672.

Taithongchai A, Veiga SI, Sultan AH, Thakar R. The consequences of undiagnosed obstetric anal sphincter injuries (OASIS) following vaginal delivery. Int Urogynecol J. 2020 Mar;31(3):635-641. doi: 10.1007/s00192-019-04033-5. Epub 2019 Jul 23. PMID: 31338522.

Taithongchai A, Thakar R, Sultan AH. Management of subsequent pregnancies following fourth-degree obstetric anal sphincter injuries (OASIS) [published online ahead of print, 2020 May 4]. Eur J Obstet Gynecol Reprod Biol. 2020;250:80‐85. doi:10.1016/j.ejogrb.2020.04.063

Wan OYK, Taithongchai A, Veiga SI, Sultan AH, Thakar R. A one-stop perineal clinic: our eleven-year experience [published online ahead of print, 2020 Jul 2]. Int Urogynecol J. 2020;10.1007/s00192-020-04405-2. doi:10.1007/s00192-020-04405-2

Okeahialam NA, Thakar R, Naidu M, Sultan AH. Outcome of anal symptoms and anorectal function following two obstetric anal sphincter injuries (OASIS)-a nested case-controlled study. Int Urogynecol J. 2020 Nov;31(11):2405-2410. doi: 10.1007/s00192-020-04377-3. Epub 2020 Jun 16. PMID: 32556846; PMCID: PMC7561534

Linda Cardozo, Delia Bishara, Nikhil Chopra, Tamsin Greenwell, Dudley Robinson, Abdul Sultan. Anticholinergics and cognitive impairment in the treatment of overactive bladder. Guidelines@mail.mgp.co.uk November 2020

Arendsen LP, Thakar R, Bassett P, Sultan AH. A double blind randomized controlled trial using copper impregnated maternity sanitary towels to reduce perineal wound infection. Midwifery. 2020 Oct 23;92:102858. doi: 10.1016/j.midw.2020.102858. PMID: 33157498

D'Souza JC, Monga A, Tincello DG, Sultan AH, Thakar R, Hillard TC, Grigsby S, Kibria A, Jordan CF, Ashmore C. Maternal outcomes in subsequent delivery after previous obstetric anal sphincter injury (OASI): a multi-centre retrospective cohort study. Int Urogynecol J. 2020 Mar;31(3):627-633. doi: 10.1007/s00192-019-03983-0. Epub 2019 Jun 22. PMID: 31230097; PMCID: PMC7093337.

Roper JC, Thakar R, Sultan AH. Isolated rectal buttonhole tears in obstetrics: case series and review of the literature. Int Urogynecol J. 2021 Jul;32(7):1761-1769. doi: 10.1007/s00192-020-04502-2. Epub 2020 Sep 15. PMID: 32930849; PMCID: PMC8295104.

Roper JC, Amber N, Wan OYK, Sultan AH, Thakar R. Review of available national guidelines for obstetric anal sphincter injury. Int Urogynecol J. 2020 Nov;31(11):2247-2259

Van Gruting MA, van Delft KWM, Sultan AH, Thakar R. The natural history of Levator Ani Muscle Avulsion 4 years following childbirth. Ultrasound Obstet Gynecol. 2020 Sep 16. doi: 10.1002/uog.23120. PMID: 32936957

Okeahialam NA, Thakar R, Kleprlikova H, Taithongchai A, Sultan AH. Early re-suturing of dehisced obstetric perineal wounds: A 13-year experience. Eur J Obstet Gynecol Reprod Biol. 2020 Nov;254:69-73. doi: 10.1016/j.ejogrb.2020.09.013. Epub 2020 Sep 10. PMID: 32942078

Okeahialam NA, Taithongchai A, Sultan AH, Thakar R. Transperineal and endovaginal ultrasound for evaluating sub-urethral masses: A comparison to magnetic resonance imaging. Ultrasound Obstet Gynecol. 2020 Sep 16. doi: 10.1002/uog.23123. Epub ahead of print. PMID: 32936990

Okeahialam NA, Thakar R, Ilczyszyn A, Sultan AH. Anal and urinary incontinence in nulliparous women - Prevalence and associated risk factors. Post Reprod Health. 2021 Jun;27(2):89-97. doi: 10.1177/20533691211005313. Epub 2021 Mar 27. PMID: 33779390

Okeahialam NA, Thakar R, Sultan AH. Effect of a subsequent pregnancy on anal sphincter integrity and function after obstetric anal sphincter injury (OASI). Int Urogynecol J. 2021 Jul;32(7):1719-1726

Wong KW, Thakar R, Andrews V, Sultan AH. Is there a role for transperineal ultrasound imaging of the anal sphincter immediately after primary repair of third degree tears? Eur J Obstet Gynecol Reprod Biol. 2022 Apr;271:260-264. doi: 10.1016/j.ejogrb.2022.02.182. Epub 2022 Mar 2. PMID: 35255362.

Roper JC, Thakar R, Sultan AH. Under-classified obstetric anal sphincter injuries. Int Urogynecol J. 2022 Jun;33(6):1473-1479. doi: 10.1007/s00192-021-05051-y. Epub 2022 Feb 12. PMID: 35150290

Okeahialam NA, Thakar R, Sultan AH. Early secondary repair of obstetric anal sphincter injuries (OASIs): experience and a review of the literature. Int Urogynecol J. 2021 Jul;32(7):1611-1622. doi: 10.1007/s00192-021-04822-x. Epub 2021 May 15. PMID: 33991222.

Van Gruting IMA, Stankiewicz A, Van Delft KWM, Doumouchtsis SK, Inthout J, Sultan AH, Thakar R. Diagnostic test accuracy of magnetic resonance imaging and pelvic floor ultrasound for diagnosis of levator ani muscle avulsion. Ultrasound Obstet Gynecol. 2022 Oct;60(4):559-569. doi: 10.1002/uog.24955. PMID: 35633511.

Okeahialam NA, Wong KW, Thakar R, Sultan AH. The incidence of wound complications following primary repair of obstetric anal sphincter injury: a systematic review and meta-analysis. Am J Obstet Gynecol. 2022 Aug;227(2):182-191. doi: 10.1016/j.ajog.2022.05.012. Epub 2022 May 10. PMID: 35550375.

Okeahialam NA, Thakar R, Sultan AH. Bacterial autofluorescence in infected perineal wounds: A prospective cohort study. Diagn Microbiol Infect Dis. 2023 Jan;105(1):115831. doi: 10.1016/j.diagmicrobio.2022.115831. Epub 2022 Oct 8. PMID: 36332560

Wong KW, Thakar R, Sultan AH, Andrews V. Can transperineal ultrasound improve the diagnosis of obstetric anal sphincter injuries? Int Urogynecol J. 2022 Oct;33(10):2809-2814. doi: 10.1007/s00192-022-05290-7. Epub 2022 Aug 2. PMID: 35916899.

Adanna Okeahialam N, Thakar R, Sultan AH. The clinical progression and wound healing rate of dehisced perineal tears healing by secondary intention: A prospective observational study. Eur J Obstet Gynecol Reprod Biol. 2022 Jul;274:191-196. doi: 10.1016/j.ejogrb.2022.05.035. Epub 2022 May 31. PMID: 35667174.

Okeahialam NA, Thakar R, Sultan AH. Comparison of diagnostic criteria for significant anal sphincter defects between endoanal and transperineal ultrasound. Ultrasound Obstet Gynecol. 2022 Dec;60(6):793-799. doi: 10.1002/uog.24957. Epub 2022 Nov 10. PMID: 35638253; PMCID: PMC10100122.

Okeahialam NA, Taithongchai A, Thakar R, Sultan AH. The incidence of anal incontinence following obstetric anal sphincter injury graded using the Sultan classification: a network meta-analysis. Am J Obstet Gynecol. 2023 Jun;228(6):675-688.e13. doi: 10.1016/j.ajog.2022.11.1279. Epub 2022 Nov 13. Erratum in: Am J Obstet Gynecol. 2024 May;230(5):581. doi: 10.1016/j.ajog.2024.02.001. PMID: 36379266.

Roper JC, Naidu M, Thakar R, Sultan AH. Getting the size right: Are clinicians ready for it? Eur J Obstet Gynecol Reprod Biol. 2023 Jan;280:154-159. doi: 10.1016/j.ejogrb.2022.11.026. Epub 2022 Dec 2. PMID: 36495777.

Okeahialam NA, Thakar R, Sultan AH. Postpartum perineal wound infection and its effect on anal sphincter integrity: Results of a prospective observational study. Acta Obstet Gynecol Scand. 2023 Apr;102(4):473-479. doi: 10.1111/aogs.14515. Epub 2023 Jan 27. PMID: 36707852; PMCID: PMC10008287.

Roper JC, Thakar R, Hurt KJ, Sultan AH. Diagnosis, management and training in perineal trauma: a UK national survey of obstetricians. Int Urogynecol J. 2023 Dec;34(12):2873-2883. doi: 10.1007/s00192-023-05590-6. Epub 2023 Jul 27. PMID: 37498432; PMCID: PMC10756863.

Okeahialam NA, Sultan AH, Thakar R. The prevention of perineal trauma during vaginal birth. Am J Obstet Gynecol. 2024 Mar;230(3S):S991-S1004. doi: 10.1016/j.ajog.2022.06.021. Epub 2023 Aug 11. PMID: 37635056.

Roper JC, Thakar R, Sultan AH. UK survey of colorectal surgeons on the management of acute obstetric anal sphincter injuries. Colorectal Dis. 2024 Jan;26(1):130-136. doi: 10.1111/codi.16820. Epub 2023 Dec 26. PMID: 38148521.

Okeahialam NA, Sultan AH. Episiotomy: Are Indian Obstetricians Getting the Angle Right? J Obstet Gynaecol India. 2024 Jun;74(3):214-218. doi: 10.1007/s13224-023-01871-8. Epub 2023 Nov 28. PMID: 38974739; PMCID: PMC11224165

Van Gruting IMA, Kluivers K, Stankiewicz A, IntHout J, van Delft KWM, Thakar R, Sultan AH. Evaluation of Perineal Descent Measurements on Pelvic Floor Imaging. J Clin Med. 2025 Jan 16;14(2):548. doi: 10.3390/jcm14020548. PMID: 39860553; PMCID: PMC11766426

Sultan AH, Kamm MA, Bartram CI, Hudson CN.  Perineal damage at delivery. Contemporary Reviews in Obstetrics & Gynaecology 1994;6:18-24. 

Sultan AH, Kamm MA, Hudson CN, Thomas JM, Bartram CI. Anal sphincter disruption during vaginal delivery. Obstetrical and Gynaecological Survey  1994;49(6):382-383. 

Bartram CI, Sultan AH. Anal Endosonography in faecal incontinence. Gut, Leading article 1995;37:4-6.

Sultan AH, Stanton SL. Preserving the pelvic floor and perineum during childbirth - elective caesarean section? British Journal of Obstetrics and Gynaecology 1996;103:731-734.

Sultan AH, Monga AK, Stanton SL. The pelvic floor sequelae of childbirth. British Journal of Hospital Medicine 1996; 55(9):575-579.

Sultan AH, Stanton SL. Occult obstetric anal sphincter trauma. European Journal of Hepatology and Gastroenterology1997;9:423-7.

Sultan AH, Kamm MA. Faecal incontinence following vaginal delivery. British Journal of Obstetrics and Gynaecology, 1997; 104:979-82.

Sultan AH. Childbirth and anal incontinence. Current Opinion in Obstetrics and Gynecology, 1997;9:320-4

Thakar R, Sultan AH. Anorectal function in the postmenopausal woman. Journal of the British Menopause Society 1999;5(2):78-82. 

Chaliha C, Sultan AH, Stanton SL. Changes in the pelvic floor following childbirth. Fetal and Maternal Medicine Review, 1999; 11:41-54

Sultan AH. Obstetric perineal injury and anal incontinence. Clinical Risk 1999;5:193-6. 

Sultan AH, Monga AM, Kumar D, Stanton SL. Primary repair of obstetric anal sphincter rupture using the overlap technique. Obstetrical and Gynecological Survey 1999;54(10);625-6

Sultan AH. Anal incontinence after vaginal delivery [Editorial] Diseases Colon Rectum 2000;43:597-8

Sultan AH, Thakar R. Lower genital tract and anal sphincter trauma. Bailliere’s Best Practice & Research – Clinical Obstetrics and Gynaecology 2002;16(1):99-116

Sultan AH, Fernando RJ. Maternal Obstetric Injury. Current Obstetrics Gynaecology 2001:11:279-84

Fernando R, Johanson R, Kettle C, Sultan A, Radley S. Methods of repair for obstetric anal sphincter injury. Cochrane Database Syst Rev. 2006 Jul 19;3:CD002866. 

Thakar R, Sultan AH. Management of obstetric anal sphincter injury. The Obstetrician and Gynaecologist 2003; 5: 31-39

Andrews V, Thakar R, Sultan AH. Management of third and fourth degree tears Reviews in Gynaecological Practice 2003;3:188-95

Thakar R, Sultan AH. Anal endosonography and its role in assessing  the incontinent patient. Bailliere’s Best Practice & Research – Clinical Obstetrics and Gynaecology 2004;18(1):157-173

Fernando RJ, Sultan AH. Risk factors and management of obstetric perineal injury. Current  Obstetrics Gynaecology 2004; 14: 320-326

Sultan AH, Nugent K. Pathophysiology and non-surgical treatment of anal incontinence. BJOG 2004;111 (Supp 1): 84-90

Kapoor D, Thakar R, Sultan AH.  Combined urinary and fecal incontinence International Urogynaecology Journal and Pelvic Floor Dysfunction 2005;16:321-8.

Thakar R, Sultan AH. Hysterectomy and pelvic organ dysfunction. Best Practice & Research Clinical Obstetrics and Gynaecology 2005:403-18.

Thakar R, Addison R, Sultan AH. Management of urinary incontinence. Clinical Geriatrics 2005;13:44-56.

 Shah S, Thakar R, Sultan AH. History of pelvic organ prolapse International Urogynaecology Journal and Pelvic floor dysfunction 2006;17:170-175

Premila S, Thakar R, Sultan AH. Management of urinary incontinence Obstetrics & Gynaecology Today  2005;3:12-21

Fernando R, Sultan A, Kettle C, Thakar , Radley S. Methods of repair for obstetric anal sphincter injury. Cochrane Systematic Reviews 2006 July 19;3:CD002866 

Thakar R, Sultan AH.  Surgical Techniques: Obstetric anal sphincter injury: 7 critical questions about care. OBG Management 2008; February: 56-68

Srivastava R, Thakar R, Sultan A. Female sexual dysfunction in obstetrics and gynecology. Obstet Gynecol Surv. 2008 Aug;63(8):527-37.

Thakar R, Sultan AH.  Management of Obstetric anal sphincter injuries (OASIS). Obstetrics and Gynaecology Forum 2009 19 (1): 15-20

Abdool Z, Thakar R, Sultan AH. Postpartum female sexual function: A review. European Journal of Obstetrics & Gynecology and Reproductive Biology 2009 145(2):133-7.

Santoro GA, Wieczorek AP, Dietz HP, Mellgren A, Sultan AH, Shobeiri SA, Stankiewicz A, Bartram C.  State of the art: an integrated approach to pelvic floor ultrasonography. Ultrasound Obstet Gynecol. Ultrasound Obstet Gynecol. 2011;37(4):381-96

Oliver R, Thakar R, Sultan AH.  The history and usage of the vaginal pessary: a review. Eur J Obstet Gynecol Reprod Biol. 2011 Jan 19.

Schwertner-Tiepelmann N, Thakar R, Sultan AH, Tunn R. Obstetric levator ani muscle injuries - Current status. Ultrasound Obstet Gynecol. 2012;39:372-82

Abdool Z, Sultan AH, Thakar R. Ultrasound imaging of the anal sphincter complex: a review. Br J Radiol. 2012 Jul;85(1015):865-75. Epub 2012 Feb 28.

Lone F, Sultan AH, Thakar R. Obstetric pelvic floor and anal sphincter injuries. The Obstetrician and Gynaecologist. 2012:4:257-66  

Sultan AH. Incontinence after primary repair of obstetric anal sphincter tears is related to elative length of reconstructed external sphincter. Commentary. Ultrasound Obstet Gynaecol 2012;40:207-14

Fernando RJ, Sultan AH, Kettle C, Thakar R. Methods of repair for obstetric anal sphincter injury. Cochrane Database Syst Rev. 2013 Dec 8;12:CD002866. doi: 10.1002/14651858.CD002866.pub3. Review. 

Jha S, Sultan AH. Obstetric anal sphincter injury: the changing landscape. BJOG. 2015 Jun;122(7):931. doi: 10.1111/1471-0528.13019. PMID: 26011454.

Kapoor DS, Thakar R, Sultan AH. Obstetric anal sphincter injuries: review of anatomical factors and modifiable second stage interventions. Int Urogynecol J. 2015 Dec;26(12):1725-34. doi: 10.1007/s00192-015-2747-0. Epub 2015 Jun 5. PMID: 26044511.

Harvey MA, Pierce M, Alter JE, Chou Q, Diamond P, Epp A, Geoffrion R, Harvey MA, Larochelle A, Maslow K, Neustaedter G, Pascali D, Pierce M, Schulz J, Wilkie D, Sultan A, Thakar R; Society of Obstetricians and Gynaecologists of Canada. Obstetrical Anal Sphincter Injuries (OASIS): Prevention, Recognition, and Repair. J Obstet Gynaecol Can. 2015 Dec;37(12):1131-48

Sultan AH, Monga A, Lee J, Emmanuel A, Norton C, Santoro G, Hull T, Berghmans  B, Brody S, Haylen BT. An International Urogynecological Association (IUGA)/International Continence Society (ICS) joint report on the terminology for female anorectal dysfunction. Neurourol Urodyn. 2017 Jan;36(1):10-34. doi: 10.1002/nau.23055

Sultan AH, Monga A, Lee J, Emmanuel A, Norton C, Santoro G, Hull T, Berghmans B, Brody S, Haylen BT. An International Urogynecological Association (IUGA)/International Continence Society (ICS) joint report on the terminology for female anorectal dysfunction. Int Urogynecol J. 2017 Jan;28(1):5-31

Sultan AH, Thakar R, Fenner D. Perineal and anal sphincter trauma. London: Springer 2007

Sultan AH, Thakar R. Diagnosis and repair of acute obstetric perineal trauma 2010

Thakar R, Sultan AH. Repair of mediolateral episiotomy 2010

Sultan AH, Kamm MA. Ultrasound of the anal sphincter. In Schuster MM (ed), Atlas of gastrointestinal  motility in health and disease. Baltimore: Williams and Wilkins, 1993: 115-121 

Lunniss PJ, Sultan AH. MRI and anal endosonography. In: Phillips RKS, Lunniss PJ (eds). Anal Fistula. London: Chapman Hall, 1996, 59-68 

Sultan AH, Monga AK, Stanton SL. The pelvic floor sequelae of childbirth. In: Farquharson RG (ed). Vignettes for the MRCOG.  Wiltshire: Quay books, 1998, 151-163

Sultan AH. The Puerperium. In Campbell S, Lees C (eds). Obstetrics by Ten Teachers (17th edition) Arnold Publishers, London:2000

Sultan AH, Kahn MA. Perineal and primary anal sphincter repair. In Staskin D, Cardozo L (eds). Textbook of Female Urology and Urogynaecology. London: ISIS Medical Media 2001: 627-42

Henry MM, Sultan AH. Lower intestinal tract disease. In Stanton SL and Monga AK (eds). Clinical Urogynaecology (2nd edition). London: Churchill Livingston, London 1999:439-454.

Sultan AH, Abulafi MA. The role of the gynaecologist in faecal incontinence. In: Sturdee R, Olah K, Keane D (eds). Yearbook of Obstetrics and Gynaecology Vol 9. London: RCOG press 2001:170-87

Sultan AH. Effects of vaginal delivery on the anal sphincter. In: Huch A, Chaoui R, Huch R (eds). Caesarean Section. Bremen: Unimed Verlag AG  2001: 78-79.

Norton C, Christiansen J, Butler U, Harari D, Nelson RL, Pemberton J, Price K, Rovnor E, Sultan A. Anal Incontinence. In Abrams P, Cardozo L, Khoury, Wein A (eds). Incontinence 2nd ed. Plymouth: Health Publication Ltd 2002:985-1044

Sultan AH. Third degree tear repair. In: Maclean AB, Cardozo L (eds). Incontinence in women. London: RCOG press 2002:379-390

Kahn MA, Sultan AH. Repair of posterior vaginal wall prolapse. In: Drutz, Herschorn, Diamant (eds). Female pelvic medicine and reconstructive pelvic surgery. Springer-Verlag, London: 2003, 441-454.

Sultan AH. Primary and secondary anal sphincter repair. In: Stanton SL and Zimmern (eds). Female pelvic reconstructive surgery. London: Springer 2003:149-157

Monga A, Sultan AH. The mechanism of incontinence. In:  Shaw, Soutter, Stanton (eds). Gynaecology. London: Churchill Livingstone 2003: 743-754

Sultan AH. Urogynaecology: Anal endosonography and incontinence. In Timmerman D, Deprest J, Bourne T (eds). Ultrasound and Endoscopic Surgery in Obstetrics and Gynaecology. London: Springer Verlag, 2003: 93-98. 

Andrews V, Thakar R, Sultan AH. Diagnosis of anal sphincter injury. In: Tim Hillard, David Purdee. Yearbook of Obstetrics and Gynaecology Vol 11 London: RCOG Press 2004; 12-21.

Thakar R, Sultan AH. Prevention of obstetric perineal trauma. In Christine Henderson, Debra Bick (eds). Perineal Care: An international issue. Wiltshire UK: Quay Books, 2005: 98-112 

Thakar R, Sultan AH. Management and prevention of perineal trauma In Arulkumaran S, Penna LK, Bhasker Rao (eds). The Management of Labour. India: Orient Longman 2005: 252-268.

Mostwin J, Bourcier J, Haab F, Koebl H, Rao N, Resnick S, Salvatore S, Sultan A, Yamaguchi O. Pathophysiology of urinary incontinence, fecal incontinence and pelvic organ prolapse. In Abrams P, Cardozo L, Khoury, Wein A (eds). Incontinence 3nd ed. Plymouth: Health Publication Ltd 2005, Vol 1: 425-484

Sultan AH. The Puerperium. In: Baker PN (ed:) Obstetrics by Ten Teachers (18th ed), London:Edward Arnold 2006:286-300

Sultan AH. Operative intervention in obstetrics. In Baker P (ed) Obstetrics by Ten Teachers (18th ed), London: Edward Arnold 2006:255-72

Sultan AH.  Primary repair of obstetric anal sphincter injury. In Cardozo L and Staskin D. Textbook of Female Urology and Urogynecology. Oxon: Informa Healthcare, 2006: 1111-20

Sultan AH. Post delivery procedures and complications.  Vaginal and perineal lacerations. In S Arulkumaran (eds) Emergencies in Obstetrics and Gynaecology Oxford: Oxford University Press 2006:146 – 162

Sultan AH, Kettle C. Diagnosis of perineal trauma. In: Sultan AH, Thakar R,   Fenner D. Perineal and anal sphincter trauma. London:Springer 2007:13-19

Sultan AH, Thakar R. Third and Fourth degree tears. In: Sultan AH, Thakar R, Fenner D. Perineal and anal sphincter trauma. London: Springer 2007: 33-51

Thakar R, Sultan AH. Postpartum problems and the role of a perineal clinic. In: Sultan AH, Thakar R, Fenner D. Perineal and anal sphincter trauma. London: Springer 2007:13-20

Bartram CI, Sultan AH. Imaging of the anal sphincter. In: Sultan AH, Thakar R, Fenner D. Perineal and anal sphincter trauma. London: Springer 2007:123-132

Thakar R, Sultan AH. Perineal and sphincter trauma. In: Grady K, Howell C, Cox C. The MOET Course Manual. Managing obstetric emergencies and trauma. London: RCOG press 2007:349-360

Sultan AH, Abulafi MA. Anal Incontinence, constipation and obstructed defaecation. In: Baessler K, Schüssler B, Burgio KL, Moore KH, Norton PA, Stanton S (Eds.) Pelvic Floor Re-education - principles and practice. 2nd ed. London: Springer-Verlag 2009

Thakar R, Sultan AH. Episiotomy and obstetric perineal trauma. In: Warren R, Arulkumaran S (eds). Best Practice in Labour and Delivery. Cambridge University Press 2009;182-194

Koebl H, Nitti V, Baessler K, Salvatore S, Sultan A, Yamaguchi O. Pathophysiology of urinary incontinence, fecal incontinence and pelvic organ prolapse. In Abrams P, Cardozo L, Khoury, Wein A (eds). Incontinence 4th ed. Plymouth: Health Publication Ltd 2009:255-330

Sultan AH, Thakar R. Ultrasound and diagnosis of obstetric anal sphincter injuries. In: Davor Jurkovic, Lil Valentin, Sanjay Vyas (eds). Gynaecological ultrasound in clinical practice. London: RCOG Press 2009:121-132

Ranee Thakar, Abdul H Sultan. Prevention of perineal trauma. In: Santoro GA, Wieczorek AP, Bartram CI. Pelvic floor disorders Italy: Springer Verlag 2010:155-162

Sultan AH, Thakar R.  Posterior compartment disorders and management of acute anal sphincter trauma. In: Santoro GA, Wieczorek AP, Bartram CI. Pelvic floor disorders Italy: Springer Verlag 2010:143-154

A. Muti Abulafi, Sultan AH. Rectovaginal fistulae In: Santoro GA, Wieczorek AP, Bartram CI. Pelvic floor disorders Italy: Springer Verlag 2010:635-654

Thakar R, Sultan AH. Lower Genital Tract Trauma. Baskett T, Calder A , Arulkumaran (eds)  Munro Kerr’s Operative Obstetrics, 12th Edition, in press

Koebl H, Igawa Ty, Salvatore S, Laterza RM, Lowry A, Sievert K-D, Sultan A.  Pathophysiology of urinary incontinence, fecal incontinence and pelvic organ prolapse. In Abrams P, Cardozo L, Khoury, Wein A (eds). Incontinence 5th ed. Plymouth: Health Publication Ltd 2013:261-360

Fernando R, Sultan AH, Thakar R. Management of obstetric anal sphincter injuries. Chapter 25  In: Arjun G, Seshadri L, Ram U. A practical guide to obstetrics. Cost effective, evidence based, safe care. Universities Press India: 2013:1511-1530 

Thakar R, Sultan AH. Perineal Surgery StratOG- RCOG online learning resource: 2013.

Santoro GA, Sultan AH. Anal Incontinence. In: Rogers RG, Sung VW, Thakar R, Iglesia CB (eds). Female Pelvic Medicine & Reconstructive Surgery. New York: Mc Graw Hill Education 2013

Sultan AH, Thakar R. Lower Genital Tract Trauma. In: Baskett T, Calder A, Arulkumaran (eds) Munro Kerr’s Operative Obstetrics, 12th Edition. Edinburgh: Sanders Elsevier 2014:217-225

Sultan AH, Thakar R. Complex perineal and anal sphincter trauma. In: Patterson-Brown S, Howell C. Managing Obstetric Emergencies and Trauma. 3rd edition. Singapore: Cambridge University Press 2014: 417-26

Thakar R Sultan AH. The female pelvis and the reproductive organs. In: Jayne E Marshall, Maureen D Raynor (eds) Myles Textbook for Midwives, 6th Edition. Edinburgh: Sanders Elsevier 2014:55-80.

Thakar R Sultan AH, Maureen D Raynor, Carol McCormick. Care of the perineum, repair and female genital mutilation. In: Jayne E Marshall, Maureen D Raynor (eds) Myles Textbook for Midwives, 6th Edition. Edinburgh: Sanders Elsevier 2014:311-25.

Thakar R, Sultan AH. Episiotomy and obstetric perineal trauma. In:  Arulkumaran S (ed). Best Practice in Labour and Delivery. Cambridge: Cambridge University Press, 2nd edition 2016;212-225

Sultan, A. H., Meyer, L., Akosa, A. B., & Viniker, D. A. (1995). Extra-uterine decidual reaction in pregnancy mimicking advanced ovarian carcinoma. Journal of Obstetrics and Gynaecology, 15(2), 98–99. https://doi.org/10.3109/01443619509020664

Ogueh, O., A. Sultan, D. L. McMillan, and R. Baldwin. 1995. “Borderline Serous Papillary Cystadenocarcinoma Arising in Endometriosis.” Journal of Obstetrics and Gynaecology 15 (3): 207–8. doi:10.3109/01443619509015503.

Fernando RJ, Sultan AH, Thakar R, Jeyanthan K. Management of the neglected vaginal ring pessary. Int Urogynecol J Pelvic Floor Dysfunct. 2007 Jan;18(1):117-9. doi: 10.1007/s00192-006-0089-7. Epub 2006 May 13. PMID: 16699913.

Scheer I, Thakar R, Sultan AH, Newman-Saunders T. Voiding dysfunction after abdominoplasty--an unusual complication. Int Urogynecol J Pelvic Floor Dysfunct. 2007 Feb;18(2):213-4. doi: 10.1007/s00192-006-0114-x. Epub 2006 Apr 5. PMID: 16596460.

Sultan AH, Kamm MA. Relationship between parity and anal manometry. Diseases of the Colon & Rectum 1993;36(8):783-784.

Sultan AH, Monga AK. Anal and urinary incontinence in women with obstetric anal sphincter rupture. BJOG 1997;104: 753-4.

Chaliha C, Sultan AH. Midline episiotomy and anal incontinence. Training is required in the recognition and repair of perineal trauma. BMJ 2000;320:1601

Sultan AH, Thakar R. Diagnosis of anal sphincter tears to prevent fecal incontinence: a randomized controlled trial. Obstet Gynecol 2005;106:1108-1109.

Andrews V, Sultan AH, Thakar R, Jones PW.  Are mediolateral episiotomies actually mediolateral. BJOG 2006;113: 245-6.

Fernando RJ, Sultan AH, Kettle C, Radley S, Jones P, O’Brien PMS. Repair techniques for obstetric anal sphincter injuries. Obstet Gynecol 2007;109: 454-5

Kapoor DS, Sultan AH, Thakar R.  A retrospective review of patients seen in a multidisciplinary pelvic floor clinic. J Obstet Gynaecol Can. 2010 Nov;32(11):1028-9

Sultan AH, Fernando R. Overlapping compared with end-to-end repair of third and fourth-degree obstetric anal sphincter tears: A randomized controlled trial. Obstet Gynecol 2011;117(2)408-9

Van Delft KW, Thakar R, Sultan AH. Levator avulsion using a tomographic ultrasound and magnetic resonance-based model.  Am J Obstet Gynecol. 2012;206(4):e7.

Van Delft, K., Shobeiri, S.A., Thakar, R., Schwertner-Tiepelmann, N. and Sultan, A.H. (2014), Reply. Ultrasound Obstet Gynecol, 43: 480-480. https://doi.org/10.1002/uog.13329

Lone, F., Thakar, R. & Sultan, A.H. Response to the Letter to the Editor by Waarsenburg et al.. Int Urogynecol J 26, 1401 (2015). https://doi.org/10.1007/s00192-015-2788-4