• Chirurgie colorectale
• Proctologie
• Troubles fonctionnels du plancher pelvien
• Chirurgie mini-invasive

Publications

• Balaphas A, Liot E, Delaune V, Meyer J, Gogniat V, Toso C, Meurette G, Vuagnat H, Ris F. Anorectal incontinence among a working-age population: A cross-sectional survey of prevalence and epidemiology. Colorectal Dis. 2026 Feb;28(2)
• Balaphas A, Krause N, Liot E, Meyer J, Meurette G, Ris F. Mesh rectopexy in rectal prolapse: toward consensus or continued controversy? Tech Coloproctol. 2026 May
• Balaphas A, Sleiman MJ, Meurette G, Liot E, Toso C, Ris F, Meyer J. Impact of fluorescence angiography on anastomotic leak and complication rate in colorectal surgery: A systematic review and meta-analysis of randomized controlled trials. Colorectal Dis. 2025 Oct;27(10):e70236.
• Waser A, Balaphas A, Uhe I, Toso C, Buchs NC, Ris F, Meyer J. Incidence of diverticulitis recurrence after sigmoid colectomy: a retrospective cohort study from a tertiary center and systematic review. Int J Colorectal Dis. 2023;38(1):157.
• Meyer J, Liot E, Delaune V, Balaphas A, Roche B, Meurette G, Ris F. Robotic mesh rectopexy for rectal prolapse: The Geneva technique-A video vignette. Colorectal Dis. 2023;25(12):2469-2471.
• Balaphas A, Meyer J, Buchs NC, Modarressi A, Bühler LH, Toso C, Gonelle-Gispert C Ris F. Isolation and Characterization of Stem Cells from the Anal Canal Transition Zone in Pigs. Dig Dis Sci. 2023;68(2):471-477 [
• Balaphas A, Gkoufa K, Colucci N, Perdikis KC, Gaudet-Blavignac C, Pataky Z, Carballo S, Ris F, Stirnemann J., Lovis C, Goosens N, Toso, C. Abdominal pain patterns during COVID-19: an observational study. Sci Rep. 2022;12(1):14677 [IF 4.600]
• Meyer, J, Schrenzel, J, Balaphas, A, Delaune, V, Abbas, M, Morel, P, Puppa, G, Rubbia-Brandt, L, Bichard, P, Frossard, J.-L, Toso, C, Buchs, N C, Ris, F Mapping of etiologies of computed tomography-proven acute colitis : A prospective cohort study. Sci Rep. 2022 Jun; 12(1):9730
• Alketbi MSG, Meyer J, Robert-Yap J, Scarpa R, Gialamas E, Abbassi Z, Balaphas A, Buchs N, Roche B, Ris F. Levator ani and puborectalis muscle rupture: diagnosis and repair for perineal instability. Tech Coloproctol. 2021 Aug; 25(8):923‑33.
• Dupuis A, Christou N, Teterycz D, Balaphas, A, Robert-Yap J, Zufferey G, Skala K, Alketbi, M, Liot E, Buchs NC, Roche B, Ris F. Sacro-Coxxygial Hygiene, a Key Factor in the Outcome of Pilonidal Sinus Surgical Treatment? BMC Surg. 2021 Apr; 21(1):197.
• Meyer J, Schiltz B, Balaphas A, Spinelli A, Toso C, Ris F, Buchs NC. How do Swiss surgeons perform fluorescence angiography in colorectal surgery?. Tech Coloproctol. 2021 May; 25, 657–658
• Balaphas A, Meyer J, Meier RPH, Liot E, Buchs NC, Roche B, Toso C, Bühler LH, Gonelle-Gispert C, Ris F. Cell Therapy for Anal Sphincter Incontinence: Where Do We Stand? Cells. 2021Aug; 10(8):2086.
• Meyer J, Schiltz B, Balaphas A, Carvello M, Spinelli A, Toso C, Ris F, Buchs N. How do Swiss surgeons perform fluorescence angiography in colorectal surgery? Tech Coloproctol. 2021 Mar; 25, 657–658.
• Balaphas A, Schiltz B, Liot E, Robert-Yap J, Ris F. What is the role of stem cell therapy in the treatment of anal incontinence? Colorectal Dis. 2020 Dec; 23(2):551-552.
• Balaphas A, Gkoufa K, Meyer J, Peloso A, Bornand A, McKee TA, Toso C, Popeskou SG. COVID-19 can mimic acute cholecystitis and is associated with the presence of viral RNA in the gallbladder wall, J Hepatol. 2020 Dec; 73(6) 1566-1568
• Zawodnik A, Balaphas A, Buchs NC, Zuffery G, Robert-Yap J, Buhler LH, Roche B, Ris F. Does surgical approach in pelvic floor repair impacts sexual function in women? Sex Med. 2019 Dec; 7(4):522-529.
• Meyer J, Caruso A, Roos E, Balaphas A, Toso C, Poletti PA, Ris F, Buchs NC. The clinical significance of extraluminal air in Hinchey 1a diverticulitis: results from a retrospective cohort study with 10-year follow-up. Int J Colorectal Dis. 2019 Dec; 34(12):2053-2058.
• Ris F, Alketbi M, Scarpa CR, Gialamas E, Balaphas A, Robert-Yap J, Skala K, Zufferey G, Buchs NC, Roche B. Levator ani repair by transvaginal approach. Tech Coloproctol. 2019 Feb; 23(2):167-169.
• Meyer J, Orci LA, Combescure C, Balaphas A, Morel P, Buchs NC, Ris F. Risk of Colorectal Cancer in Patients with Acute Diverticulitis: a Systematic Review and Meta-Analysis of Observational Studies. Clin. Gastroenterol. Hepatol. 2018 Jul;17(8):1448-1456.
• Balaphas A, Dumont C, Faes S, Scarpa CR, Roche B, Ris F, Buchs NC, Hahnloser D. Colonic conduit prolapse after transanal total mesorectal excision (taTME). Tech Coloproctol. 2018 May; 22:475–477.
• Hagen ME, Balaphas A, Podetta M, Rohner P, Jung MK, Buchs NC, Buhler LH, Mendoza JM, Morel P. Robotic single-site versus multiport laparoscopic cholecystectomy: a case-matched analysis of short- and long-term costs. Surg Endosc. 2018 Mar ; 32(3):1550-1555.
• Balaphas A, Buchs NC, Naiken SP, Hagen ME, Zawodnik A, Jung MK, Varnay G, Bühler LH, Morel P. Incisional hernia after robotic single-site cholecystectomy: a pilot study. Hernia J Hernias Abdom Wall Surg. 2017 Oct; 21(5):697-703.
• Balaphas A, Restellini S, Robert-Yap J, Morel P, Roche B, Ris F. A case of Ipilimumab induced anorectal fistula. J Crohns Colitis. 2016 Apr; 10(4): 501–502.
• Balaphas A, Hagen ME, Buchs NC, Pugin F, Volonté F, Inan I, Morel P. Robotic laparoendoscopy single site surgery: a transdisciplinary review. Int J Med Robot Comput Assist Surg MRCAS. 2013 Mar; 9(1):1-11.