Prof. Dr. med. Bettina Wölnerhanssen

Teysseire, F., Bordier, V., Beglinger, C., Wölnerhanssen, B. K., & Meyer-Gerspach, A. C. (2024). Metabolic Effects of Selected Conventional and Alternative Sweeteners: A Narrative Review [Journal-article]. Nutrients, 16(5), 622. https://doi.org/10.3390/nu16050622

Wölnerhanssen, Bettina K., Meyer-Gerspach, Anne C., Nussbaumer, Rahel, Sauter, Matthias, Thumshirn, Miriam, Bueter, Marco, Vetter, Diana, Gubler, Christoph, Morell, Bernhard, Jell, Alissa, Vieth, Michael, Beglinger, Christoph, Peterli, Ralph, & Fox, Mark. (2023). Prospective clinical cohort study: low incidence of Barrett esophagus but high rate of reflux disease at 5-year follow-up after sleeve gastrectomy versus Roux-en-Y gastric bypass. Surgery for Obesity and Related Diseases, 19(7), 707–715. https://doi.org/10.1016/j.soard.2023.02.012

Saarinen I, Grönroos S, Hurme S, Peterli R, Helmiö M, Bueter M, Strandberg M, Wölnerhanssen BK, & Salminen P. (2023). Validation of the individualized metabolic surgery score for bariatric procedure selection in the merged data of two randomized clinical trials (SLEEVEPASS and SM-BOSS). Surgery for Obesity and Related Diseases, 19(5), 522–529. https://doi.org/10.1016/j.soard.2022.10.036

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

Shimobayashi, Mitsugu, Shetty, Sunil, Frei, Irina C., Wölnerhanssen, Bettina K., Weissenberger, Diana, Weissenberger, Diana, Dietz, Nikolaus, Thomas, Amandine, Ritz, Danilo, Meyer-Gerspach, Anne Christin, Maier, Timm, Hay, Nissim, Peterli, Ralph, Rohner, Nicolas, & Hall, Michael N. (2023). Diet-induced loss of adipose hexokinase 2 correlates with hyperglycemia. eLife, 12, e85103. https://doi.org/10.7554/elife.85103

Teysseire F, Bordier V, Budzinska A, Van Oudenhove L, Weltens N, Beglinger C, Wölnerhanssen BK, & Meyer-Gerspach AC. (2023). Metabolic Effects and Safety Aspects of Acute D-allulose and Erythritol Administration in Healthy Subjects. Nutrients, 15(2). https://doi.org/10.3390/nu15020458

Teysseire F, Flad E., Bordier V, Budzinska A, Weltens N., Rehfeld JF, Beglinger C, Van Oudenhove L, Wölnerhanssen BK, & Meyer-Gerspach A.C. (2022). Oral Erythritol Reduces Energy Intake during a Subsequent ad libitum Test Meal: A Randomized, Controlled, Crossover Trial in Healthy Humans. Nutrients, 14(19). https://doi.org/10.3390/nu14193918

Bordier V, Teysseire F, Senner F, Schlotterbeck G, Drewe J, Beglinger C, Wölnerhanssen BK, & Meyer-Gerspach AC. (2022). Absorption and Metabolism of the Natural Sweeteners Erythritol and Xylitol in Humans: A Dose-Ranging Study. International Journal of Molecular Sciences, 23(17). https://doi.org/10.3390/ijms23179867

Teysseire F, Bordier V, Budzinska A, Weltens N, Rehfeld JF, Holst JJ, Hartmann B, Beglinger C, Van Oudenhove L, Wölnerhanssen BK, & Meyer-Gerspach AC. (2022). The Role of D-allulose and Erythritol on the Activity of the Gut Sweet Taste Receptor and Gastrointestinal Satiation Hormone Release in Humans: A Randomized, Controlled Trial. Journal of Nutrition, 152(5), 1228–1238. https://doi.org/10.1093/jn/nxac026

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

Meyer-Gerspach AC, Wingrove JO, Beglinger C, Rehfeld JF, Le Roux CW, Peterli R, Dupont P, O’Daly O, Van Oudenhove L, & Wölnerhanssen BK. (2022). Erythritol and xylitol differentially impact brain networks involved in appetite regulation in healthy volunteers. Nutritional Neuroscience, 25(11), 2344–2358. https://doi.org/10.1080/1028415X.2021.1965787

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

Bordier V, Teysseire F, Schlotterbeck G, Senner F, Beglinger C, Meyer-Gerspach AC, & Wölnerhanssen BK. (2021). Effect of a chronic intake of the natural sweeteners xylitol and erythritol on glucose absorption in humans with obesity. Nutrients, 13(11). https://doi.org/10.3390/nu13113950

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

Wölnerhanssen BK, Drewe J, Verbeure W, le Roux CW, Dellatorre-Teixeira L, Rehfeld JF, Holst JJ, Hartmann B, Tack J, Peterli R, Beglinger C, & Meyer-Gerspach AC. (2021). Gastric emptying of solutions containing the natural sweetener erythritol and effects on gut hormone secretion in humans: A pilot dose-ranging study. Diabetes, Obesity and Metabolism, 23(6), 1311–1321. https://doi.org/10.1111/dom.14342

Bühler J, Rast S, Beglinger C, Peterli R, Peters T, Gebhart M, Meyer-Gerspach AC, & Wölnerhanssen BK. (2021). Long-Term Effects of Laparoscopic Sleeve Gastrectomy and Roux-en-Y Gastric Bypass on Body Composition and Bone Mass Density. Obesity Facts, 14(1), 131–140. https://doi.org/10.1159/000512450

Meyer-Gerspach AC, Drewe J, Verbeure W, Roux CWL, Dellatorre-Teixeira L, Rehfeld JF, Holst JJ, Hartmann B, Tack J, Peterli R, Beglinger C, & Wölnerhanssen BK. (2021). Effect of the natural sweetener xylitol on gut hormone secretion and gastric emptying in humans: A pilot dose-ranging study. Nutrients, 13(1), 1–21. https://doi.org/10.3390/nu13010174

Nussbaumer R, Meyer-Gerspach AC, Peterli R, Peters T, Beglinger C, Chiappetta S, Drewe J, & Wölnerhanssen B. (2020). First-Phase Insulin and Amylin after Bariatric Surgery: A Prospective Randomized Trial on Patients with Insulin Resistance or Diabetes after Gastric Bypass or Sleeve Gastrectomy. Obesity Facts, 13(6), 584–595. https://doi.org/10.1159/000511928

Wölnerhanssen BK, Meyer-Gerspach AC, Beglinger C, & Islam MS. (2020). Metabolic effects of the natural sweeteners xylitol and erythritol: A comprehensive review. Critical Reviews in Food Science and Nutrition, 60(12), 1986–1998. https://doi.org/10.1080/10408398.2019.1623757

Farin W, Oñate FP, Plassais J, Bonny C, Beglinger C, Woelnerhanssen B, Nocca D, Magoules F, Le Chatelier E, Pons N, Cervino ACL, & Ehrlich SD. (2020). Impact of laparoscopic Roux-en-Y gastric bypass and sleeve gastrectomy on gut microbiota: a metagenomic comparative analysis. Surgery for Obesity and Related Diseases, 16(7), 852–862. https://doi.org/10.1016/j.soard.2020.03.014

Inta D., Wolnerhanssen B.K., Meyer-Gerspach A.C., Lang E., Schweinfurth N., Mallien A.S., Vasilescu A.-N., Schmidt A., Rea K., Westendorf A.M., Tremblay M.-E., Sartorius A., Gass P., Cryan J.F., Borgwardt S., & Lang U.E. (2020). Common Pathways in Depression and Obesity: The Role of Gut Microbiome and Diets. Current Behavioral Neuroscience Reports, 7(1), 15–21. https://doi.org/10.1007/s40473-020-00199-1

Shimobayashi, Mitsugu, Shetty, Sunil, Frei, Irina C., Wölnerhanssen, Bettina K., Weissenberger, Diana, Dietz, Nikolaus, Thomas, Amandine, Ritz, Danilo, Meyer-Gerspach, Anne Christin, Maier, Timm, Hay, Nissim, Peterli, Ralph, Rohner, Nicolas, & Hall, Michael N. (2020). Diet-induced loss of adipose Hexokinase 2 triggers hyperglycemia. bioRxiv. https://doi.org/10.1101/2019.12.28.887794

Meyer-Gerspach AC, & Wölnerhanssen BK. (2020). Einflüsse der Ernährung auf den Speichel. In Karger, Quintessence Publishing (Ed.), & Filippi A; Waltimo T (Trans.), Speichel (pp. 280–288).

Wölnerhanssen. (2020). Raffinierter Zucker – Wertvolle Energie oder physiologischer Unsinn? QUINTESSENZ ZAHNMEDIZIN, 5/2020 SEITEN: 480-487. In Quintessenz (Ed.), Ernährungszahnmedizin.

Meyer-Gerspach AC, Peterli R, Moor M, Madörin P, Schötzau A, Nabers D, Borgwardt S, Beglinger C, Bieri O, & Wölnerhanssen BK. (2019). Quantification of Liver, Subcutaneous, and Visceral Adipose Tissues by MRI Before and After Bariatric Surgery. Obesity Surgery, 29(9), 2795–2805. https://doi.org/10.1007/s11695-019-03897-2

Wölnerhanssen BK, & Meyer-Gerspach AC. (2019). [Health effects of sugar consumption and possible alternatives]. Therapeutische Umschau. Revue Therapeutique, 76(3), 111–116. https://doi.org/10.1024/0040-5930/a001070

Wölnerhanssen BK, & Meyer-Gerspach A.C. (2019). Letter Regarding Article, “metabolomic Pattern Predicts Incident Coronary Heart Disease”. Arteriosclerosis, Thrombosis, and Vascular Biology, 39(8), E186. https://doi.org/10.1161/atvbaha.119.313009

Fox M, Meyer-Gerspach AC, Wendebourg MJ, Gruber M, Heinrich H, Sauter M, Woelnerhanssen B, Koeberle D, & Juengling F. (2019). Effect of cocoa on the brain and gut in healthy subjects: A randomised controlled trial. British Journal of Nutrition, 121(6), 654–661. https://doi.org/10.1017/S0007114518003689

Streese, Lukas, Königstein, Karsten, Goricki, Lara, Infanger, Denis, Wölnerhanssen, Bettina, Peters, Thomas, Schmidt-Trucksäss, Arno, & Hanssen, Henner. (2019). Short- and Long-Term Effects of Bariatric Surgery on Vascular Phenotype. Obesity Surgery, 29(4), 1301–1308. https://doi.org/10.1007/s11695-018-03679-2

Meyer-Gerspach AC, Ly HG, Borgwardt S, Dupont P, Beglinger C, Van Oudenhove L, & Wölnerhanssen BK. (2018). Endogenous GLP-1 alters postprandial functional connectivity between homeostatic and reward-related brain regions involved in regulation of appetite in healthy lean males: A pilotstudy. Diabetes, obesity & metabolism, 20(10), 2330–2338. https://doi.org/10.1111/dom.13369

Peterli R, Wölnerhanssen BK, & Bueter M. (2018). Response to: “Are Guidelines for Standardized Outcome Reporting in Bariatric Surgery Responsible for Missing the Big Picture in Bariatric Surgery Related Major Complications?”. (Patent No. 1). 268(1), Article 1. https://doi.org/10.1097/sla.0000000000002317

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 : Official Journal of the American Society for Bariatric Surgery, 14(5), 693–699. https://doi.org/10.1016/j.soard.2018.01.009

Peterli R, Wölnerhanssen BK, Peters T, Vetter D, Kröll D, Borbély Y, Schultes B, Beglinger C, Drewe J, Schiesser M, Nett P, & Bueter M. (2018). Effect of Laparoscopic Sleeve Gastrectomy vs Laparoscopic Roux-en-Y Gastric Bypass on Weight Loss in Patients With Morbid Obesity: The SM-BOSS Randomized Clinical Trial. Jama, 319(3), 255–265. https://doi.org/10.1001/jama.2017.20897

Meyer-Gerspach A.C., & Wolnerhanssen B.K. (2018). The adverse effects of sugar consumption - Why we need to reduce it. Lymphologie in Forschung Und Praxis, 22, 70–75.

Shimobayashi, M., Albert, V., Woelnerhanssen, B., Frei, I. C., Weissenberger, D., Meyer-Gerspach, A. C., Clement, N., Moes, S., Colombi, M., Meier, J. A., Swierczynska, M. M., Jenö, P., Beglinger, C., Peterli, R., & Hall, M. N. (2018). Insulin resistance causes inflammation in adipose tissue. Journal of Clinical Investigation, 128(4), 1538–1550. https://doi.org/10.1172/jci96139

Zanchi D, Meyer-Gerspach AC, Schmidt A, Suenderhauf C, Depoorter A, Drewe J, Beglinger C, Wölnerhanssen BK, & Borgwardt S. (2018). Acute Effects of Glucose and Fructose Administration on the Neural Correlates of Cognitive Functioning in Healthy Subjects: A Pilot Study. Frontiers in Psychiatry, 9, 71. https://doi.org/10.3389/fpsyt.2018.00071

Chiappetta S, Schaak H, Stier C, Wölnerhanssen B, Squillante S, & Weiner R. (2018). The impact of obesity and metabolic surgery on chronic inflammation. Obes Surg, 10(28), 3028–3040.

Wölnerhanssen BK, Moran AW, Burdyga G, Meyer-Gerspach AC, Peterli R, Manz M, Thumshirn M, Daly K, Beglinger C, & Shirazi-Beechey SP. (2017). Deregulation of transcription factors controlling intestinal epithelial cell differentiation; a predisposing factor for reduced enteroendocrine cell number in morbidly obese individuals. Scientific reports, 7(1), 8174. https://doi.org/10.1038/s41598-017-08487-9

Peterli R, Wölnerhanssen BK, Vetter D, Nett P, Gass M, Borbély Y, Peters T, Schiesser M, Schultes B, Beglinger C, Drewe J, & Bueter M. (2017). Laparoscopic Sleeve Gastrectomy Versus Roux-Y-Gastric Bypass for Morbid Obesity-3-Year Outcomes of the Prospective Randomized Swiss Multicenter Bypass Or Sleeve Study (SM-BOSS). Annals of Surgery, 265(3), 466–473. https://doi.org/10.1097/sla.0000000000001929

Wilbaux M, Wölnerhanssen BK, Meyer-Gerspach AC, Beglinger C, & Pfister M. (2017). Characterizing the dynamic interaction among gastric emptying, glucose absorption, and glycemic control in nondiabetic obese adults. American journal of physiology. Regulatory, integrative and comparative physiology, 312(3), R314–R323. https://doi.org/10.1152/ajpregu.00369.2016

Zanchi D, Meyer-Gerspach AC, Suenderhauf C, Janach K, le Roux CW, Haller S, Drewe J, Beglinger C, Wölnerhanssen BK, & Borgwardt S. (2016). Differential effects of L-tryptophan and L-leucine administration on brain resting state functional networks and plasma hormone levels. Scientific Reports, 6, 35727. https://doi.org/10.1038/srep35727

Meyer-Gerspach AC, Wölnerhanssen B, & Beglinger C. (2016). Functional roles of low calorie sweeteners on gut function. Physiology & behavior, 164(Pt B), 479–481. https://doi.org/10.1016/j.physbeh.2016.01.045

Wölnerhanssen BK, Meyer Gerspach AC, & Beglinger C. (2016). Reply to letter to the editor: the tolerance of erythritol and xylitol based on effective dose methodologies. (Patent No. 4). 311(4), Article 4. https://doi.org/10.1152/ajpendo.00335.2016

Wölnerhanssen BK, Meyer-Gerspach AC, Peters T, Beglinger C, & Peterli R. (2016). Incretin effects, gastric emptying and insulin responses to low oral glucose loads in patients after gastric bypass and lean and obese controls. Surgery for Obesity and Related Diseases : Official Journal of the American Society for Bariatric Surgery, 12(7), 1320–1327. https://doi.org/10.1016/j.soard.2015.11.022

Wölnerhanssen BK, Cajacob L, Keller N, Doody A, Rehfeld JF, Drewe J, Peterli R, Beglinger C, & Meyer-Gerspach AC. (2016). Gut hormone secretion, gastric emptying, and glycemic responses to erythritol and xylitol in lean and obese subjects. American Journal of Physiology. Endocrinology and Metabolism, 310(11), E1053–61. https://doi.org/10.1152/ajpendo.00037.2016

Meyer-Gerspach AC, Cajacob L, Riva D, Herzog R, Drewe J, Beglinger C, & Wölnerhanssen BK. (2016). Mechanisms Regulating Insulin Response to Intragastric Glucose in Lean and Non-Diabetic Obese Subjects: A Randomized, Double-Blind, Parallel-Group Trial. PloS One, 11(3), e0150803. https://doi.org/10.1371/journal.pone.0150803

Meyer-Gerspach AC, Häfliger S, Meili J, Doody A, Rehfeld JF, Drewe J, Beglinger C, & Wölnerhanssen B. (2016). Effect of L-Tryptophan and L-Leucine on Gut Hormone Secretion, Appetite Feelings and Gastric Emptying Rates in Lean and Non-Diabetic Obese Participants: A Randomized, Double-Blind, Parallel-Group Trial. PloS One, 11(11), e0166758. https://doi.org/10.1371/journal.pone.0166758

Meyer-Gerspach AC, Suenderhauf C, Bereiter L, Zanchi D, Beglinger C, Borgwardt S, & Wölnerhanssen BK. (2016). Gut Taste Stimulants Alter Brain Activity in Areas Related to Working Memory: a Pilot Study. Neuro-Signals, 24(1), 59–70. https://doi.org/10.1159/000442612

Schneider, Julia, Peterli, Ralph, Gass, Markus, Slawik, Marc, Peters, Thomas, & Wölnerhanssen, Bettina K. (2016). Laparoscopic sleeve gastrectomy and Roux-en-Y gastric bypass lead to equal changes in body composition and energy metabolism 17 months postoperatively: A prospective randomized trial. Surgery for Obesity and Related Diseases, 12, 563–570. https://doi.org/10.1016/j.soard.2015.07.002

Wilbaux,Mélanie, Wölnerhanssen,Bettina K, Meyer-Gerspach,Anne Christin, Beglinger,Christoph, & Pfister,Marc. (2016). Characterizing the dynamic interaction among gastric emptying, glucose absorption and glycemic control in non-diabetic obese adults. Am J Physiol-Reg I (Print-Ausgabe), 2, ajpregu.

Wölnerhanssen B, & Peterli R. (2015). [Management of complications after bariatric surgery]. Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen, 86(12), 1114–1120. https://doi.org/10.1007/s00104-015-0098-5

Wölnerhanssen, Bettina Karin, Meyer-Gerspach, Anne Christin, Schmidt, André, Zimak, Nina, Peterli, Ralph, Beglinger, Christoph, & Borgwardt, Stefan. (2015). Dissociable Behavioral, Physiological and Neural Effects of Acute Glucose and Fructose Ingestion: A Pilot Study. PLoS ONE, 10(6), e0130280. https://doi.org/10.1371/journal.pone.0130280

Meyer-Gerspach AC, Wölnerhanssen B, Beglinger B, Nessenius F, Napitupulu M, Schulte FH, Steinert RE, & Beglinger C. (2014). Gastric and intestinal satiation in obese and normal weight healthy people. Physiology & Behavior, 129, 265–271. https://doi.org/10.1016/j.physbeh.2014.02.043

Meyer-Gerspach AC, Wölnerhanssen B, & Beglinger C. (2014). Gut sweet taste receptors and their role in metabolism. Frontiers of hormone research, 42, 123–133. https://doi.org/10.1159/000358321

Schmidt, Andre, Hammann, Felix, Wolnerhanssen B., Meyer-Gerspach, Anne Christin, Drewe, Juergen, Beglinger, Christoph, & Borgwardt S. (2014). Erratum: Green tea extract enhances parieto-frontal connectivity during working memory processing (Psychopharmacology DOI: 10.1007/s00213-014-3526-1). Psychopharmacology, 231(19), 3939. https://doi.org/10.1007/s00213-014-3668-1

Schmidt, André, Hammann, Felix, Wölnerhanssen, Bettina, Meyer-Gerspach, Anne Christin, Drewe, Jürgen, Beglinger, Christoph, & Borgwardt, Stefan. (2014). Green tea extract enhances parieto-frontal connectivity during working memory processing. Psychopharmacology, 231(19), 3879–3888. https://doi.org/10.1007/s00213-014-3526-1

Wölnerhanssen B, & Peterli R. (2014). State of the art: Sleeve gastrectomy. Digestive Surgery, 31(1), 40–47. https://doi.org/10.1159/000354320

Peterli, Ralph, Steinert, Robert E, Woelnerhanssen, Bettina, Peters, Thomas, Christoffel-Courtin, Caroline, Gass, Markus, Kern, Beatrice, von Fluee, Markus, & Beglinger, Christoph. (2012). Metabolic and hormonal changes after laparoscopic Roux-en-Y gastric bypass and sleeve gastrectomy: a randomized, prospective trial. Obesity Surgery, 22(5), 740–748. https://doi.org/10.1007/s11695-012-0622-3

Woelnerhanssen, Bettina, Peterli, Ralph, Steinert, Robert E, Peters, Thomas, Borbély, Yves, & Beglinger, Christoph. (2011). Effects of postbariatric surgery weight loss on adipokines and metabolic parameters: comparison of laparoscopic Roux-en-Y gastric bypass and laparoscopic sleeve gastrectomy - a prospective randomized trial. Surgery for Obesity and Related Diseases, 7(5), 561–568. https://doi.org/10.1016/j.soard.2011.01.044

Wolnerhanssen, Bettina, & Beglinger, Christoph. (2010). Therapeutic potential of gut peptides. Forum of Nutrition, 63, 54–63. https://doi.org/10.1159/000264393

Peterli, Ralph, Wölnerhanssen, Bettina, Peters, Thomas, Devaux, Noémie, Kern, Beatrice, Christoffel-Courtin, Caroline, Drewe, Juergen, von Flüe, Markus, & Beglinger, Christoph. (2009). Improvement in glucose metabolism after bariatric surgery : comparison of laparoscopic Roux-en-Y gastric bypass and laparoscopic sleeve gastrectomy : a prospective randomized trial. Annals of Surgery : A Monthly Review of Surgical Science and Practice, 250(2), 234–241. https://doi.org/10.1097/sla.0b013e3181ae32e3

Uglioni, Bettina, Wölnerhanssen, Bettina, Peters, Thomas, Christoffel-Courtin, Caroline, Kern, Beatrice, & Peterli, Ralph. (2009). Midterm results of primary vs. secondary laparoscopic sleeve gastrectomy (LSG) as an isolated operation. Obesity Surgery : Including Laparoscopy and Allied Care : The Official Journal of the American Society for Bariatric Surgery and of the Obesity Surgery Society of Australia and New Zealand, 19(4), 401–406. https://doi.org/10.1007/s11695-009-9804-z

Wölnerhanssen, Bettina Karin, Langer, Igor, Eriksson, Urs, & Schneider, Markus. (2009). Sudden death after open gastric bypass surgery. Langenbeck’s Archiv Für Chirurgie, 394(3), 573–577. https://doi.org/10.1007/s00423-008-0370-y

Wölnerhanssen, Bettina K., Peters, Thomas, Kern, Beatrice, Schötzau, Andy, Ackermann, Christoph, von Flüe, Markus, & Peterli, Ralph. (2008). Predictors of outcome in treatment of morbid obesity by laparoscopic adjustable gastric banding: results of a prospective study of 380 patients. Surgery for Obesity and Related Diseases, 4(4), 500–506. https://doi.org/10.1016/j.soard.2008.03.252

Wolnerhanssen B., Jacob A.L., Gurke L., & Eugster T.H. (2007). Ruptured aneurysm of the pancreatico-duodenal artery. Chirurgia, 20(6), 307–308.

Peterli R, Wölnerhanssen BK, Peters T, Kern B, Ackermann C, & von Flüe M. (2007). Prospective study of a two-stage operative concept in the treatment of morbid obesity: primary lap-band followed if needed by sleeve gastrectomy with duodenal switch. Obesity Surgery, 17(3), 334–340. https://doi.org/10.1007/s11695-007-9061-y

Wölnerhanssen B, & Peterli R. (2006). Eingeweidebrüche/Hernien. In Springer (Ed.), Springer Lexikon.

Wölnerhanssen B, Kern B, Peters T, Ackermann C, von Flüe M, & Peterli R. (2005). Reduction in slippage with 11-cm Lap-Band and change of gastric banding technique. Obesity Surgery, 15(7), 1050–1054. https://doi.org/10.1381/0960892054621161

Wölnerhanssen BK, Ackermann C, Guenin MO, Kern B, Tondelli P, von Flüe M, & Peterli R. (2005). [Twelve years of laparoscopic cholecystectomy]. Der Chirurg; Zeitschrift Fur Alle Gebiete Der Operativen Medizen, 76(3), 263–269. https://doi.org/10.1007/s00104-004-0928-3

Wölnerhanssen B, & Peterli R. (2005). Therapie der Leistenhernie. In Springer (Ed.), Springer Lexikon 2005.