PD Dr. med. Romano Schneider

Kraljević, Marko, Süsstrunk, Julian, Wölnerhanssen, Bettina Karin, Peters, Thomas, Bueter, Marco, Gero, Daniel, Schultes, Bernd, Poljo, Adisa, Schneider, Romano, & Peterli, Ralph. (2025). Long-Term Outcomes of Laparoscopic Roux-en-Y Gastric Bypass vs Laparoscopic Sleeve Gastrectomy for Obesity: The SM-BOSS Randomized Clinical Trial. JAMA Surgery, 160(4), 369–377. https://doi.org/10.1001/jamasurg.2024.7052

Bühler, Gaby, Schneider, Romano, Kraljević, Marko, Süsstrunk, Julian, Fourie, Lana, Woellnerhanssen, Bettina, & Peterli, Ralph. (2025). More Anastomotic Ulcers, Less Dumping, and Equal Weight Loss in Long vs. Short Gastric Pouch in Laparoscopic Roux-en-Y Gastric Bypass [Journal-article]. Obesity Surgery, 35(2), 450–456. https://doi.org/10.1007/s11695-024-07645-z

Dominique Lisa Birrer, Lukas Werner Widmer, Lulu Tanno, Romano Schneider, Amanda Dirnberger, Alexander Wilhelm, Urs Zingg, Beat Müller, Lorenz Meuli, & Christoph Kuemmerli. (2025). Evaluation and testing of the proportional hazards assumption in analysis of time-to-event data in subgroup analysis of randomised controlled trials: a meta-epidemiological study. Swiss Medical Weekly, 155(1). https://doi.org/10.57187/s.4022

Poljo, Adisa, Reichl, Jakob J., Schneider, Romano, Süsstrunk, Julian, Klasen, Jennifer M., Fourie, Lana, Billeter, Adrian T., Müller, Beat P., Peterli, Ralph, & Kraljević, Marko. (2025). How preoperative upper gastrointestinal investigations affect the management of bariatric patients: results of a cohort study of 897 patients [Journal-article]. Surgical Endoscopy , 39(1), 153–161. https://doi.org/10.1007/s00464-024-11352-2

Au, Kahei, Zheng, Ming-Hua, Lee, Wei-Jei, Ghanem, Omar M., Mahawar, Kamal, Shabbir, Asim, le Roux, Carel W., Targher, Giovanni, Byrne, Christopher D., Yilmaz, Yusuf, Valenti, Luca, Sebastiani, Giada, Treeprasertsuk, Sombat, Hui, Hannah Xiaoyan, Sakran, Nasser, Neto, Manoel Galvao, Kermansaravi, Mohammad, Kow, Lilian, Seki, Yosuke, et al. (2024). Resmetirom and Metabolic Dysfunction-Associated Steatohepatitis: Perspectives on Multidisciplinary Management from Global Healthcare Professionals [Journal-article]. Current Obesity Reports, 13(4), 818–830. https://doi.org/10.1007/s13679-024-00582-z

Lazaridis, Ioannis I., Bosch, Angela J.T., Keller, Lena, Low, Andy J.Y., Tamarelle, Jeanne, Moser, Seraina O., Winter, Denise V., Gómez, Cristina, Peterson, Caspar J., Schneider, Romano, Kraljević, Marko, Odermatt, Alex, Vonaesch, Pascale, Peterli, Ralph, Delko, Tarik, & Cavelti-Weder, Claudia. (2024). Metabolic outcomes in obese mice undergoing one-anastomosis gastric bypass (OAGB) with a long or a short biliopancreatic limb. American Journal of Physiology - Endocrinology and Metabolism, 326(6), E819–E831. https://doi.org/10.1152/ajpendo.00327.2023

Dirnberger, Amanda S., Süsstrunk, Julian, Schneider, Romano, Poljo, Adisa, Klasen, Jennifer M., Slawik, Marc, Billeter, Adrian T., Müller-Stich, Beat P., Peterli, Ralph, & Kraljević, Marko. (2023). Mid-Term Outcomes After Conversion Procedures Following Laparoscopic Sleeve Gastrectomy. Obesity Surgery, 33(9), 2679–2686. https://doi.org/10.1007/s11695-023-06734-9

Süsstrunk, Julian, Schneider, Romano, Peterli, Ralph, Slawik, Marc, Woelnerhanssen, Bettina, & Kraljević, Marko. (2023). Long-term outcome after biliopancreatic diversion with duodenal switch: a single-center experience with up to 20 years follow-up. Surgery for Obesity and Related Diseases, 19(2), 83–90. https://doi.org/10.1016/j.soard.2022.10.020

Lazaridis II, Schneider R, Stocker R, Kraljević M, Klasen JM, & Delko T. (2022). Intraoperative Patterns of Gastric Microperfusion During Laparoscopic Roux-en-Y Gastric Bypass. Obesity Surgery, 32(12), 4047–4056. https://doi.org/10.1007/s11695-022-06318-z

Angehrn FV, Angehrn FV, Schneider R, Wilhelm A, Daume D, Koechlin L, Fourie L, von Flüe M, Kern B, Steinemann DC, & Bolli M. (2022). Robotic versus laparoscopic low anterior resection following neoadjuvant chemoradiation therapy for stage II–III locally advanced rectal cancer: a single-centre cohort study. Journal of Robotic Surgery, 16(5), 1133–1141. https://doi.org/10.1007/s11701-021-01351-z

Gass, Jörn-Markus, Daume, Diana, Schneider, Romano, Steinemann, Daniel, Mongelli, Francesco, Scheiwiller, Andreas, Fourie, Lana, Kern, Beatrice, von Flüe, Markus, Metzger, Jürg, Angehrn, Fiorenzo, & Bolli, Martin. (2022). Laparoscopic versus robotic-assisted, left-sided colectomies: intra- and postoperative outcomes of 683 patients. Surgical Endoscopy, 36, 6235–6242. https://doi.org/10.1007/s00464-021-09003-x

Klasen, Jennifer M., Tynes, Deborah M., Peterson, Caspar J., Schneider, Romano, Timper, Katharina, Peterli, Ralph, Randall, Cameron L., & Delko, Tarik. (2022). The Impact of the COVID-19 Pandemic on Patients from a Bariatric Program: A Qualitative Analysis of Their Perceptions of Health and Well-Being. Healthcare (Switzerland), 10(5). https://doi.org/10.3390/healthcare10050780

Dirnberger, Amanda S., Schneider, Romano, Slawik, Marc, Linke, Katja, Kraljević, Marko, Wölnerhanssen, Bettina, & Peterli, Ralph. (2022). Management of gallstone disease prior to and after metabolic surgery: a single-center observational study. Surgery for Obesity and Related Diseases, 18(2), 182–188. https://doi.org/10.1016/j.soard.2021.10.006

Angehrn FV, Neuschütz KJ, Baur J, Schneider R, Wilhelm A, Stoll L, Süsstrunk J, von Flüe M, Bolli M, & Steinemann DC. (2022). Robotic Versus Conventional Minimal-Invasive Inguinal Hernia Repair: Study Protocol for a Prospective, Randomized and Blinded Clinical Trial. International Journal of Surgery Protocols, 26(1), 27–34. https://doi.org/10.29337/ijsp.175

Schneider, R., Kraljević, M., Peterli, R., Rohm, T. V., Bosch, A. J. T., Low, A. J. Y., Keller, L., AlAsfoor, S., Häfliger, S., Yilmaz, B., Peterson, C. J., Lazaridis, I. I., Vonäsch, P., Delko, T., & Cavelti-Weder, C. (2022). Roux-en-Y gastric bypass with a long versus a short biliopancreatic limb improves weight loss and glycemic control in obese mice. Surg Obes Relat Dis, 18(11), 1286–1297. https://doi.org/10.1016/j.soard.2022.06.286

Süsstrunk J, Schneider R, Gebhart M, & Peterli R. (2022). [Bariatric Surgery in 2022 - What Is Important for the General Practitioner?]. Praxis, 111(7), 389–395. https://doi.org/10.1024/1661-8157/a003861

Wilhelm A, Nocera F, Schneider R, Koechlin L, Daume DL, Fourie L, Steinemann D, von Flüe M, Peterli R, Angehrn FV, & Bolli M. (2022). Robot-assisted vs. laparoscopic repair of complete upside-down stomach hiatal hernia (the RATHER-study): a prospective comparative single center study. Surgical Endoscopy, 36(1), 480–488. https://doi.org/10.1007/s00464-021-08307-2

Kraljević M, Kraljević M, Schneider R, Wölnerhanssen B, Bueter M, Delko T, & Peterli R. (2021). Different limb lengths in gastric bypass surgery: study protocol for a Swiss multicenter randomized controlled trial (SLIM). Trials, 22(1), 352. https://doi.org/10.1186/s13063-021-05313-6

Peterson CJ, Klasen J, Delko T, & Schneider R. (2021). Mechanical colon obstruction due to the alimentary limb after Roux-en-Y gastric bypass: a case report. Journal of Medical Case Reports, 15(1), 43. https://doi.org/10.1186/s13256-020-02645-w

Schneider R, Schulenburg M, Kraljević M, Klasen JM, Peters T, Wölnerhanssen B, & Peterli R. (2021). Does the non-absorbable suture closure of the jejunal mesenteric defect reduce the incidence and severity of internal hernias after laparoscopic Roux-en-Y gastric bypass? Langenbeck’s Archives of Surgery, 406(6), 1831–1838. https://doi.org/10.1007/s00423-021-02180-2

Kraljević, Marko, Cordasco, Vanessa, Schneider, Romano, Peters, Thomas, Slawik, Marc, Wölnerhanssen, Bettina, & Peterli, Ralph. (2021). Long-term Effects of Laparoscopic Sleeve Gastrectomy: What Are the Results Beyond 10 Years? Obesity Surgery, 31(8), 3427–3433. https://doi.org/10.1007/s11695-021-05437-3

Kraljević M, Cordasco V, Schneider R, Peters T, Slawik M, Wölnerhanssen B, & Peterli R. (2021). Correction to: Long-Term Effects of Laparoscopic Sleeve Gastrectomy: What Are the Results beyond 10 Years? (Patent No. 8). 31(8), Article 8. https://doi.org/10.1007/s11695-021-05460-4

Stillhard, Benjamin, Ngo, B. T. Truc, Peterli, Ralph, Peters, Thomas, Schneider, Romano, Kraljević, Marko, Slawik, Marc, & Wölnerhanssen, Bettina. (2021). Preoperative Cardiac Diagnostics in Bariatric Patients with Diabetes and Perioperative Morbidity: Results of a Cohort of 258 Patients. Obesity Surgery, 31(6), 2607–2613. https://doi.org/10.1007/s11695-021-05300-5

Rohm TV, Fuchs R, Müller RL, Keller L, Baumann Z, Bosch AJT, Schneider R, Labes D, Langer I, Pilz JB, Niess JH, Delko T, Hruz P, & Cavelti-Weder C. (2021). Obesity in Humans Is Characterized by Gut Inflammation as Shown by Pro-Inflammatory Intestinal Macrophage Accumulation. Frontiers in Immunology, 12, 668654. https://doi.org/10.3389/fimmu.2021.668654

Lazaridis II, Kraljević M, Schneider R, Klasen JM, Schizas D, Peterli R, Kow L, Delko T, & Collaborators. (2020). The Impact of the COVID-19 Pandemic on Bariatric Surgery: Results from a Worldwide Survey. Obesity Surgery, 30(11), 4428–4436. https://doi.org/10.1007/s11695-020-04830-8

Kraljević, M., Schneider, R., Wölnerhanssen, B., Bueter, M., Delko, T., & Peterli, R. (2020, October 20). Different Limb Lengths in Gastric Bypass Surgery: Study Protocol for A Swiss Multicenter Randomized Controlled Trial (SLIM) [Posted-content]. Research Square Platform LLC. https://doi.org/10.21203/rs.3.rs-31539/v1

Schneider R, Kraljević M, Peterli R, Rohm TV, Klasen JM, Cavelti-Weder C, & Delko T. (2020). GLP-1 Analogues as a Complementary Therapy in Patients after Metabolic Surgery: a Systematic Review and Qualitative Synthesis. Obesity Surgery, 30(9), 3561–3569. https://doi.org/10.1007/s11695-020-04750-7

Linke, Katja, Schneider, Romano, Gebhart, Martina, Ngo, Truc, Slawik, Marc, Peters, Thomas, & Peterli, Ralph. (2020). Outcome of revisional bariatric surgery for insufficient weight loss after laparoscopic Roux-en-Y gastric bypass: an observational study. Surgery for Obesity and Related Diseases, 16(8), 1052–1059. https://doi.org/10.1016/j.soard.2020.04.009

Koechlin L, Schneider R, Fourie L, Drews S, Eckstein FS, & Reuthebuch O. (2020). The pitfall of gastric perforation by temporary pacemaker wires (Patent No. 5). Asian Cardiovascular and Thoracic Annals, 28(5), Article 5. https://doi.org/10.1177/0218492320933771

Schneider R, Lazaridis I, Kraljević M, Beglinger C, Wölnerhanssen B, & Peterli R. (2018). The impact of preoperative investigations on the management of bariatric patients; results of a cohort of more than 1200 cases. Surgery for Obesity and Related Diseases, 14(5), 693–699. https://doi.org/10.1016/j.soard.2018.01.009

Schneider R, Kraljević M, von Flüe M, & Füglistaler I. (2018). Giant Symptomatic Rectal Mucocele following Subtotal Colectomy (Patent No. 1). Case Reports in Gastroenterology, 12(1), Article 1. https://doi.org/10.1159/000488523

Schneider, Romano, Gass, Jörn-Markus, Kern, Beatrice, Peters, Thomas, Slawik, Marc, Gebhart, Martina, & Peterli, Ralph. (2016). Linear compared to circular stapler anastomosis in laparoscopic Roux-en-Y gastric bypass leads to comparable weight loss with fewer complications: a matched pair study. Langenbeck’s Archives of Surgery, 401(3), 307–313. https://doi.org/10.1007/s00423-016-1397-0