Proefschriften
Lisette Dekker, arts-onderzoeker (nu AIOS radiologie Meander MC)
Openbare verdediging: 27 juni 2023, Amsterdam UMC / Universiteit van Amsterdam
Proefschrift: New insights in benign anorectal disease – Nieuwe inzichten in goedaardige ziekten van de anus en endeldarm.
Danielle van Reijn, bekkenfysiotherapeut
Openbare verdediging: 31 oktober 2023, LUMC
Proefschrift: Bridging the gap – Pelvic floor physical therapy in the treatment of chronic anal fissure
Justin van Oostendorp, arts-onderzoeker
Openbare verdediging: 27 juni 2025, Amsterdam UMC / Universiteit van Amsterdam
Proefschrift: Optimizing the treatment for anorectal disease: surgical and patient-reported outcomes – Optimaliseren van de behandeling van anorectale aandoeningen: chirurgische resultaten en patiëntervaringen
Wetenschappelijke artikelen
Alle publicaties van de Proctos Kliniek op PubMed
Cost-Effectiveness of Rubber Band Ligation Versus Hemorrhoidectomy for the Treatment of Grade III Hemorrhoids: Analysis Using Evidence From the HOLLAND Randomized Controlled Trial. van Oostendorp JY, Dekker L, van Dieren S, Veldkamp R, Bemelman WA, Han-Geurts IJM; HOLLAND study group. Dis Colon Rectum. 2025 Sep 1;68(9):1100-1111. doi: 10.1097/DCR.0000000000003832. Epub 2025 Jun 10. PMID: 40492557; PMCID: PMC12345815.
Prospective nationwide audit of short-term outcomes after surgery for chronic pilonidal sinus disease in the Netherlands. Huurman EA, de Raaff CAL, van den Berg R, Baart SJ, Wijnhoven BPL, Schouten R, Furnée EJB, Toorenvliet BR, Smeenk RM; PITS collaborative study group. Tech Coloproctol. 2025 Jun 11;29(1):134. doi: 10.1007/s10151-025-03159-7. PMID: 40498166; PMCID: PMC12158824.
Limitations of the Goligher classification in randomized trials for hemorrhoidal disease: a qualitative systematic review of selection criteria. van Oostendorp JY, Grossi U, Hoxhaj I, Kimman ML, Kuiper SZ, Breukink SO, Han-Geurts IJM, Gallo G. Tech Coloproctol. 2025 Jun 10;29(1):133. doi: 10.1007/s10151-025-03170-y. PMID: 40493094; PMCID: PMC12152054.
Outcome of transanal advancement flap repair (TAFR) as salvage therapy after failed ligation of intersphincteric fistula tract (LIFT)—A proposed algorithm after failed LIFT. -Ergüder E, Verkade C, Ersak C, van Oostendorp JY, Han-Geurts IJM, Wasowicz DK, et al. Colorectal Dis. 2025; 27:e70199. https://doi.org/10.1111/codi.70199
Mid- and long-term functional outcomes of advancement flap for cryptoglandular perianal fistulas. van Oostendorp JY, Eddarazi A, Molenaar CBH, Zimmerman DDE, Bemelman WA, Han-Geurts IJM. Techniques of Coloproctology 2025. doi.org/10.1007/s10151-025-03148-w
Comparison of Rubber Band Ligation and Hemorrhoidectomy in Patients With Symptomatic Hemorrhoids Grade III: A Multicenter, Open-Label, Randomized Controlled Noninferiority Trial. van Oostendorp JY, Dekker L, van Dieren S, Veldkamp R, Bemelman WA, Han-Geurts IJM; HollAND Study Group. Dis Colon Rectum 2025 May 1;68(5):572-583. doi: 10.1097/DCR.0000000000003679. Epub 2025 Feb 14. PMID: 39952268; PMCID: PMC11999089.
Prospective cohort study of high-volume transanal irrigation in patients with constipation and/or faecal incontinence. Vollebregt PF, Dekker L, Han-Geurts IJM, Felt-Bersma RJF. Colorectal Dis. 2023 Aug;25(8):1658-1670. doi: 10.1111/codi.16628. Epub 2023 May 31. PMID: 37259692.
Pelvic floor physical therapy in patients with chronic anal fissure: long-term follow-up of a randomized controlled trial. van Reijn-Baggen DA, Elzevier HW, Putter H, Pelger RCM, Han-Geurts IJM. Int J Colorectal Dis. 2023 Jan 5;38(1):3. doi: 10.1007/s00384-022-04292-7. Erratum in: Int J Colorectal Dis. 2023 Jan 18;38(1):17. doi: 10.1007/s00384-023-04316-w. PMID: 36602613; PMCID: PMC9813900.
Ligation of intersphincteric fistula tract (LIFT) for trans-sphincteric cryptoglandular anal fistula: long-term impact on faecal continence. van Oostendorp JY, Verkade C, Han-Geurts IJM, van der Mijnsbrugge GJH, Wasowicz-Kemps DK, Zimmerman DDE. BJS Open. 2024 May 8;8(3):zrae055. doi: 10.1093/bjsopen/zrae055. PMID: 38843378.
Study on 3D High-Resolution Anorectal Manometry Interrater Agreement in the Evaluation of Dyssynergic Defecation Disorders Justin Y. van Oostendorp, Pieter van Hagen, Grietje J. H. van der Mijnsbrugge, Ingrid J. M. Han-Geurts. Diagnostics 2023, 13(16), 2657; https://doi.org/10.3390/diagnostics13162657
To what extent are anorectal function tests comparable? A study comparing digital rectal examination, anal electromyography, 3-dimensional high-resolution anal manometry, and transperineal ultrasound. Dekker L, van Reijn-Baggen DA, Han-Geurts IJM, Felt-Bersma RJF. Int J Colorectal Dis. 2023 Jan 16;38(1):12. doi: 10.1007/s00384-022-04304-6. PMID: 36645523; PMCID: PMC9842578.
Shortcomings of the current classification system for haemorrhoidal disease: Exploring the need for a step forward. Kuiper SZ, Kimman ML, Grossi U, Gallo G, Dekker L, Han-Geurts IJM, Breukink SO. Colorectal Dis. 2022 Sep;24(9):1086-1087. doi: 10.1111/codi.16144. Epub 2022 Apr 24. PMID: 35398957.
Anorectale klachten [Anal complaints; article for education and training purposes]. Han-Geurts IJM, Mujagic Z, Blanker MH. Ned Tijdschr Geneeskd. 2022;166:D6853. Published 2022 Nov 16.
Pelvic floor physical therapy in the treatment of chronic anal fissure (PAF trial): quality of life outcome. van Reijn-Baggen DA, Elzevier HW, Braak JPBM, Putter H, Pelger RCM, Han-Geurts IJM. Tech Coloproctol. 2023 Feb;27(2):125-133. doi: 10.1007/s10151-022-02741-7. Epub 2022 Dec 15.PMID: 36520243 Free PMC article. Clinical Trial.
Treatment of haemorrhoids: rubber band ligation or sclerotherapy (THROS)? Study protocol for a multicentre, non-inferiority, randomised controlled trial. van Oostendorp JY, Sluckin TC, Han-Geurts IJM, van Dieren S, Schouten R; THROS trial research group. Trials. 2023 Jun 3;24(1):374. doi: 10.1186/s13063-023-07400-2. PMID: 37270601; PMCID: PMC10239572.
Een diagnostisch online tool voor anale klachten ontwikkeld met kunstmatige intelligentie (abstract) O. Zogari, H. Schnack, T.Ruys, C.B.H. Molenaar. Orale presentatie Chirurgendagen 2023
Antibiotic Treatment foLlowing surgical drAinage of perianal abScess (ATLAS): protocol for a multicentre, double-blind, placebo-controlled, randomised trial. Justin Y van Oostendorp, Lisette Dekker, Susan van Dieren, Willem A Bemelman, Ingrid J M Han-Geurts. BMJ Open 2022;12:e067970. https://doi:10.1136/bmjopen-2022-067970
Management of chronic anal fissure: results of a national survey among gastrointestinal surgeons in the Netherlands. Danielle A. van Reijn-Baggen, Lisette Dekker, Henk W. Elzevier, Rob C. M. Pelger & Ingrid J. M. Han-Geurts. Int J Colorectal Dis (2022). https://doi.org/10.1007/s00384-022-04115-9
Pelvic floor physical therapy in patients with chronic anal fissure: a randomized controlled trial. van Reijn-Baggen DA, Elzevier HW, Putter H, Pelger RCM, Han-Geurts IJM. Tech Coloproctol. 2022 Jul;26(7):571-582. doi: 10.1007/s10151-022-02618-9. Epub 2022 May 5.PMID: 35511322 Free PMC article. Clinical Trial.
Is the Goligher classification a valid tool in clinical practice and research for hemorrhoidal disease? L. Dekker, I. J. M. Han‑Geurts, U. Grossi, G. Gallo, R. Veldkamp. Techniques in Coloproctology, published online 9 february 2022. https://doi.org/10.1007/s10151-022-02591-3.
Pelvic floor physical therapy in the treatment of chronic anal fissure (PAF-study): Study protocol for a randomized controlled trial. Daniëlle A. van Reijn-Baggen, Henk W. Elzevier, Rob C.M. Pelger, Ingrid J.M. Han-Geurts. Contemporary Clinical Trials Communications. Volume 24, December 2021, 100874
Efficacy of Permacol injection for perianal fistulas in a tertiary referral population: poor outcome in patients with complex fistulas. Paul F. Vollebregt, Grietje J Vander Mijnsbrugge, Charlotte B.H. Molenaar, Richelle J.F. Felt-Bersma. Colorectal Dis. 2021 Aug;23(8):2119-2126. doi: 10.1111/codi.15696. Epub 2021 May 16.
Pelvic Floor Physical Therapy for Pelvic Floor Hypertonicity: A Systematic Review of Treatment Efficacy. Daniëlle A van Reijn-Baggen, Ingrid J M Han-Geurts, Petra J Voorham-van der Zalm, Rob C M Pelger, Caroline H A C Hagenaars-van Miert, Ellen T M Laan. Sex Med Rev. 2021 Jun 11;S2050-0521(21)00012-3. doi: 10.1016/j.sxmr.2021.03.002. PMID: 34127429
Management of cryptoglandular fistula-in-ano among gastrointestinal surgeons in the Netherlands. Dekker L, Zimmerman DDE, Smeenk RM, Schouten R, Han-Geurts IJM. Tech Coloproctol. 2021 Apr 15. doi: 10.1007/s10151-021-02446-3. PMID: 33860363
HollAND trial: comparison of rubber band ligation and haemorrhoidectomy in patients with symptomatic haemorrhoids grade III: study protocol for a multicentre, randomised controlled trial and cost–utility analysis. Dekker L, Han-Geurts IJM, van Dieren S. The HollAND Trial Steering Committee, et al . BMJ Open 2021;11:e046836. doi: 10.1136/bmjopen-2020-046836
Rubber band ligation versus haemorrhoidectomy for the treatment of grade II-III haemorrhoids: a systematic review and meta-analysis of randomised controlled trials. Dekker L, Han-Geurts IJM, Rørvik HD, van Dieren S, Bemelman WA. Tech Coloproctol. 2021 Mar 8. doi: 10.1007/s10151-021-02430-x. PMID: 33683503 Review.
Knotless seton for perianal fistulas: feasibility and effect on perianal disease activity. Stellingwerf ME, Bak MTJ, de Groof EJ, Buskens CJ, Molenaar CBH, Gecse KB, Nerkens W, Horeman T, Bemelman WA.Sci Rep. 2020 Oct 7;10(1):16693. doi: 10.1038/s41598-020-73737-2.PMID: 33028875 Free PMC article.
How is your proctology patient really doing? Outcome measurement in proctology: development, design and validation study of the Proctoprom. Vander Mijnsbrugge GJH, Molenaar CBH, Buyl R, Westert G, van der Wees PJ. Tech Coloproctol. 2020 Apr;24(4):291-300. doi: 10.1007/s10151-020-02156-2. Epub 2020 Feb 28. PMID: 32112248
High prevalence of hidradenitis suppurativa in patients with perianal fistula. Ardon CB, Molenaar C, van Straalen KR, Scholtes VC, Prens EP, van der Zee HH. Int J Colorectal Dis. 2019 Jul;34(7):1337-1339. doi: 10.1007/s00384-019-03313-2. Epub 2019 May 16. PMID: 31093736
Botox treatment in patients with chronic functional anorectal pain: experiences of a tertiary referral proctology clinic. Ooijevaar RE, Felt-Bersma RJF, Han-Geurts IJ, van Reijn D, Vollebregt PF, Molenaar CBH.Tech Coloproctol. 2019 Mar;23(3):239-244. doi: 10.1007/s10151-019-01945-8. Epub 2019 Feb 16.PMID: 30778784 Free PMC article.
3D high-resolution anorectal manometry in patients with perianal fistulas: comparison with 3D-anal ultrasound. Felt-Bersma RJF, Vlietstra MS, Vollebregt PF, Han-Geurts IJM, Rempe-Sorm V, Vander Mijnsbrugge GJH, Molenaar CBH. BMC Gastroenterol. 2018 Apr 4;18(1):44. doi: 10.1186/s12876-018-0770-6. PMID: 29618340 Free PMC article
Predictive factors for recurrence of cryptoglandular fistulae characterized by preoperative three-dimensional endoanal ultrasound. Visscher AP, Schuur D, Slooff RA, Meijerink WJ, Deen-Molenaar CBH, Felt-Bersma RJ. Colorectal Dis. 2016 May;18(5):503-9. doi: 10.1111/codi.13211
Perianal fistulas and the lift procedure: results, predictive factors for success, and long-term results with subsequent treatment. Vander Mijnsbrugge GJH, Felt-Bersma RJF, Ho DKF, Molenaar CBH. Tech Coloproctol. 2019 Jul;23(7):639-647. doi: 10.1007/s10151-019-02023-9. Epub 2019 Jul 17.PMID: 31317361 Free PMC article
Intersphincteric infection due to an anal fissure. Deen-Molenaar CH, Jordanov T, Felt-Bersma RJ. Int J Colorectal Dis. 2016 Mar;31(3):727-8. doi: 10.1007/s00384-015-2227-5. Epub 2015 May 3. PMID: 25935451
Long-term follow-up after surgery for simple and complex cryptoglandular fistulas: fecal incontinence and impact on quality of life. Visscher AP, Schuur D, Roos R, Van der Mijnsbrugge GJ, Meijerink WJ, Felt-Bersma RJ. Dis Colon Rectum. 2015 May;58(5):533-9. doi: 10.1097/DCR.0000000000000352. PMID: 25850841
De patiënt met chronische buik- en bekkenpijn bij de chirurg. Harry van Goor, Charlotte Deen-Molenaar. Tijdschrift voor seksuologie 2013, jaargang 37, Nummer 2
Enquête onder gynaecologen en chirurgen over rectocele. Coen R H Huizinga, Charlotte B H Deen-Molenaar, Grietje J H vander Mijnsbrugge, Huub van der Vaart. Nederlands Tijdschrift Voor Geneeskunde [01 Jan 2014, 158:A7242]
Posters/presentaties
Rubberband ligation versus haemorroidectomy for grade III haemorrhoids: a multicenter randomized controlled non inferiority trial. Justin Oostendorp, Lisette Dekker, Susan van Dieren, Willem Bemelman, Ingrid Han-Geurts and the HollAND Trial study group. 19th Scientific and Annual Meeting of the European Society of Coloproctology, Thessaloniki 2024
Pelvic floor physical therapy in patients with chronic anal fissure: lomg term follow-up of a randomized controlled trial. (Presentation) Danielle A. van Reijn, Henk W. Elzevier, Hein Putter, Rob C.M. Pelger, Ingrid J.M. Han-Geurts. 18th Scientific and Annual Meeting of the European Society of Coloproctology, Vilnius 2023
Study on 3D High-Resolution Anorectal Manometry Interrater Agreement in the Evaluation of Dyssynergic Defecation Disorders Justin Y. van Oostendorp, Pieter van Hagen, Grietje J. H. van der Mijnsbrugge, Ingrid J. M. Han-Geurts. 18th Scientific and Annual Meeting of the European Society of Coloproctology, Vilnius 2023
Pelvic floor physical therapy in patients with chronic anal fissure: a randomized controlled trial. (Presentation) Danielle A. van Reijn, Henk W. Elzevier, Hein Putter, Rob C.M. Pelger, Ingrid J.M. Han-Geurts. 17th Scientific and Annual Meeting of the European Society of Coloproctology, Dublin 2022
Efficacy of Permacol injection for perianal fistulas in a tertiary referral population: poor outcome in patients with complex fistulas. (Poster) PF Vollebregt, GJH Vander Mijnsbrugge, CBH Molenaar, RJF Felt-Bersma. Digestive Disease Days voorjaar 2021
Pelvic floor dysfunction in chronic anal fissure. (Poster) van Reijn D, Voorham – Zalm van der P, Putter H, Pelger R, Han-Geurts IJM. 13th Scientific and Annual Meeting of the European Society of Coloproctology, Nice 2018.
Boeken
Molenaar CBH, Bos ME, Schipper ME (2021). Unconventional insights into etiology of fistulas in the peri-anal region. Coloproctology: Anal Fistula and Abscess, Springer 2021. https://doi.org/10.1007/978-3-030-30902-2_5-1
Vander Mijnsbrugge GHJ (2021). Dolores funcionales anales. Practicum en Coloproctologia de la AECP, Ergon
Felt-Bersma, RJF, Han-Geurts, IJM (2019). Anal fissures. Anorectal Disorders: Diagnosis and Non-Surgical Treatment, Ratto C, Elsevier
Deen-Molenaar CBH, Felt-Bersma RJF, Groot J, van Reijn D (2016). Anale pijn en dysfunctionele klachten en de relatie met het prikkelbare darmsyndroom. Functioneel urologische en seksuele klachten bij de man. ISBN / ISSN 9789036813976
