Professor - Ralph Peterli - Bariatric surgery for overweight and obesity -

Professor Ralph Peterli

Expert in bariatric/metabolic surgery for obesity/diabetes in Basel

Professor - Ralph Peterli - Bariatric surgery for overweight and obesity -
Professor Peterli primarily specialises in bariatric treatment as an experienced surgeon of the entire abdominal area. Since he is also a renowned expert in matters relating to diabetes, patients with obesity can rely on a comprehensive full care package which stands out thanks to his excellent advice and minimally invasive surgical techniques.

Special Clinical Focus

  • Surgical treatment for obesity and diabetes
  • Stomach surgery
  • Colorectal surgery
  • General abdominal surgery

About us Professor Ralph Peterli

Patients suffering from obesity require professional support. The situation is often more urgent than the patients and their relatives realise because being extremely overweight not only affects all areas of everyday life and massively reduces the patient’s quality of life but can also trigger numerous secondary diseases as a chronic issue. The most common secondary diseases are metabolic issues such as diabetes, as well as heart, lung and circulatory disorders. Therefore, it is beneficial to get in touch with a medical expert who not only has many years of experience in surgery for obesity and diabetes but is also an internationally renowned expert. Professor Ralph Peterli directs Clarunis University Center for Gastrointestinal and Liver Diseases in Basel, which is the largest bariatric centre of excellence in northwest Switzerland, and has conducted extensive research into obesity and diabetes. He and his team are highly competent and empathetic points of contact.

Obesity is one of the most common illnesses of our time which has some of the most serious consequences. Patients who recognise that being very overweight is a chronic genetic condition that diets and exercise programmes do very little to influence are already on the right path. In actual fact, only medical support from highly qualified physicians can help achieve the desired results on a long-term basis.

Patients can find this support in the Basel metropolitan region. At Clarunis University Center for Gastrointestinal and Liver Diseases in Basel, where highly specialised consultants from all the relevant disciplines relating to the abdominal area repeatedly set standards in high-performance medicine, bariatric surgery is also carried out at an international level: Professor Ralph Peterli is highly dedicated to this field, as well as to clinical and scientific research.

Common combination: morbid obesity and diabetes

Patients who contact Professor Peterli and his team, who are also highly specialised, about obesity are taking an important step. This means that these patients understand their obesity to be a complex condition that they cannot resolve alone and for which there are a number of causes. Are genes primarily responsible for the illness or has an unhealthy diet and lack of exercise led to the issue: since only a comprehensive diagnosis will lead to the right treatment option, Professor Peterli considers all the relevant details. He does not leave anything down to chance, from the patient’s general health to the various related conditions.

Word has now spread far beyond the border region between France and Germany that treatment at Clarunis University Center for Gastrointestinal and Liver Diseases in Basel demonstrably far exceeds common standards in each individual area. This naturally applies to the field of bariatric surgery too: this is because the outstanding position that Professor Peterli enjoys in the field of obesity in his everyday clinical work and in the field of science is easy to prove. You can determine his level of expertise even just from his case numbers and from the organisation’s status as a “Centre of excellence for bariatric and metabolic surgery” after a review by the “Swiss Society for the Study of Morbid Obesity and Metabolic Disorders” and as an “Ethicon European Center of Excellence”.

Professor Ralph Peterli’s global recognition in the field of bariatric research is not only based on his versatility. He has a high level of understanding of the diseases associated with obesity. This not only applies to the field of diabetes, which affects significantly overweight patients much more frequently than patients with a normal body weight, especially diabetes mellitus type 2, as the expert’s field of specialist knowledge also includes treating lipid disorders or increases in blood fat. This is because overweight people often suffer from increased cholesterol levels, which, like increased triglyceride levels, can lead to conditions of the circulatory system and vascular conditions. Naturally, the range of conditions potentially associated with obesity is broader than this. It ranges from joint damage and gall stones to psychological and social problems.

The solution is often both simple and complex: in an ideal scenario, all connected conditions are treated successfully by sustainable weight loss or prevented when they start to occur. And that is exactly what Professor Ralph Peterli endeavours to achieve: at Clarunis University Center for Gastrointestinal and Liver Diseases in Basel, an interdisciplinary and interprofessional team made up of highly-specialised experts such as dietary consultants, metabolism experts and psychiatrists initially carry out a comprehensive assessment of the patient, with additional expertise being provided by cardiac and lung specialists where needed.

A wide range of treatment options: surgical intervention as the last resort

Professor Peterli asks the key question: is surgical intervention the right choice? Surgical intervention is actually only chosen once all non-surgical treatment options have been unsuccessful. However, in the outset, every effort is made to reduce the patient’s weight without surgery. From dietary changes to training plans that are supposed to be fun: the patient receives guidance from professionals in all these areas. However, dietary changes, medication or exercise therapy are often only effective on a temporary basis, unlike surgical bariatric procedures.

Professor Peterli uses all of his experience and his high level of expertise to choose the right method in consultation with the patient, which is effective on a permanent basis for the large majority of patients in Basel. The results can be seen quickly: the weight loss, during which the patient always receives professional support, is often also associated with improvements in or even entirely cures the conditions which are associated with obesity. The patient’s life expectancy and quality of life increases and their health risks are minimised. Since the advantageous effects of surgery only appear gradually, obesity differs fundamentally from other diseases: In bariatrics, surgical intervention is only one part of the entire treatment programme designed to treat patients who are extremely overweight. Even though surgical precision, as with all operations at Clarunis University Center for Gastrointestinal and Liver Diseases in Basel, plays a key factor in ensuring success, another very important factor is educating the patient on the entire support process and lifelong rehabilitation. This is something that bariatric patients and patients with diabetes have in common as both patient groups require regular medical advice and support.

Individual solutions: bypass, gastric sleeve, diversion surgery

There is a wide range of surgical treatment options in bariatrics and Professor Ralph Peterli places great value on making the right choice in each patient’s individual circumstance. The operations he carries out most frequently are stomach bypasses and gastric sleeve surgery. Both procedures are carried out laparoscopically in Basel. In addition to reduced food consumption, both procedures also lead to very effective changes to the patient’s metabolism. hunger and satiety signals are created by the gut and these signals favourably affect food consumption and healthy food choices, improving the patient’s blood sugar level right away. Both options lead to reduced quantities of certain vitamins and trace elements being absorbed and therefore make supplements essential on a lifelong basis. In a clinical study which has received a great deal of international attention, he compared both procedures with regard to their safety, efficacy and modes of action. In situations in which both of these operations are not effective enough, another procedure is used, namely, biliopancreatic diversion surgery, which is a mixture of gastric sleeve surgery and a bypass or other techniques which Professor Peterli contributes to developing. This work allows him to stay up to date with the latest developments, which also gives him a first-class reputation in research. He has received funding from the Swiss National Science Foundation multiple times, which is an excellent indicator of his reputation, most recently in 2021 for his latest research project on improving the stomach bypass. He is involved in national and international specialist organisations as the president or a member of the board, organises national and international congresses and is often invited to speaking occasions as an expert.

Since obesity is a chronic condition, a second operation is often needed after a period of time, i.e. a bariatric revision operation. This is because, in some cases, insufficient weight loss or unfavourable long-term consequences need to be corrected. In such cases, the interdisciplinary approach which characterises the Clarunis University Center for Gastrointestinal and Liver Diseases in Basel becomes important because the expertise of other in-house experts is often used in the decision-making process for many revision operations. Since Professor Peterli always endeavours to achieve the best outcome for his patients, he favours interdisciplinary collaboration.

Bariatric research: International reputation

This way of thinking is not only proof of the high-performance medicine for which the Clarunis centre of excellence stands but it is also a prerequisite for bariatric operations: these operations are actually only carried out at hospitals which have interdisciplinary teams with the necessary experience and where the treatment is provided in accordance with current valid guidelines. As the largest bariatric surgical centre in northwest Switzerland, the centre of excellence for bariatric surgery and metabolic surgery in Basel meets the highest international standards.

Thanks to his reputation in bariatric research and expertise in everyday clinical work, as well as in the scientific field, Professor Ralph Peterli repeatedly attracts attention to his work, both thanks to his optimisations to surgical techniques and to his improvements to further therapeutic approaches, which ensure that obesity treatment is getting safer and safer, as well as more and more effective. These techniques and procedures are shared multiple times a year at international workshops on complex bariatric procedures. In connection with this, the organisation has also been awarded the title of “European Centre of Excellence for Bariatric Surgery”.

Professor Ralph Peterli has also personally won multiple awards, such as the Felix Largiadère Prize from the Swiss Society for Abdominal Surgery, which he received in 2013. In 2009, the highly-specialised physician received the “Clinical Nutrition Prize” from the Swiss Society for Gastroenterology. As such, it is clear that he not only has a great deal of experience as a bariatric surgeon and in matters relating to diabetes but is also continuously setting standards in dietary medicine.

As Deputy Chief Physician of Abdominal Surgery and Surgical Research, Professor Peterli has a wealth of experience in colonic and rectal surgery, as well as in stomach operations. The expert also has a close connection to Basel and the region: he completed his medical degree at the University of Basel and, apart from a research period spent in Sweden, he has practically spent his entire career to date in this city on the Rhine. He has specialist qualifications in general surgery and abdominal surgery. This mixture of versatility and huge level of focus on specialist areas of medicine makes him the ideal consultant for the abdominal centre at the university in Basel, which sets the highest of standards in all areas as the centre of excellence of the Claraspital hospital and the University Hospital of Basel, not only when it comes to the renowned experts but also the entire team.

Curriculum Vitae

Curriculum Vitae Professor Ralph Peterli

Studies/Academics/Teaching
1979 - 1986 Medical School, University of Basel, Switzerland
(1979 + 1981 military service)
1986 Graduation from Medical School, University of Basel
1988 Doctoral Thesis
1995 Specialist for general surgery
2004 Subspecialist for general and trauma surgery, Subspecialist for visceral surgery
7/08 - 12/08 Research fellow and surgeon, University Lund, Sweden
2009 Assistant Professor of Surgery (Privatdozent), University of Basel
2015 Professor of Surgery (Titularprofessor), University of Basel
since 1997 Teaching at Medical School, University of Basel
2002 International workshops with live surgery
2005 Instructor practical hands-on courses
2019 Mentoring program for young academics
2020 Key opinion leader bariatric surgery on educational platform (AIS)
Postgraduate medical Formation/Positions
4/1987 - 3/1988 Institute of Pathology, Univ. of Basel (Proff Ph.U. Heitz, M. Mihatsch)
4/1988 - 11/1991 Surgical Clinic, Olten (PD Dr. U. Grötzinger)
1/1992 - 5/1994 Surgical Clinic, Bruderholz, Basel (Prof. A.K. Huber)
7/1995 - 12/1996 Surgical Clinic, St.Claraspital Basel (Proff P. Tondelli, M. von Flüe)
1/1997 - 3/2000 Staff member
4/2000 - 12/2016 Senior staff
1/2017 Deputy Medical Director
1/2019 Deputy Head of Clarunis, Department of Visceral Surgery, University Center for Gastrointestinal and Liver Diseases, Basel Switzerland, St. Clara Hospital & University Hospital Basel
Surgical experience/Fields of interest
Visceral, colorectal and bariatric surgery (total number of interventions >15’000)
Research fields
1984-1988 Morphometry in pathology of arteries
1988-1990 Clinical study on groin hernia repair
1994-2002 Various clinical studies on laparoscopic cholecystectomy and related hepato-biliary pathologies
1996 Various clinical studies in bariatric surgery
2003-2006 Human adipose tissue and functional role of melanocortin-receptors
2005-2014 Proteomics of mitochondria in human adipose tissue
2006-2019 PI of randomized controlled trial (RCT) on bariatric surgery (SM-BOSS)
2006-2010 Glycemic control and gastrointestinal peptides in morbidly obese patients
2009 - 2010 Adipokines in morbidly obese patients undergoing bariatric surgery
2011 - 2015 Steering committee of international RCT on metabolic surgery vs best medicine
2012 Functional MRI and bariatric Surgery
2014 - 2017 Enteroendocrine cells of upper gastrointestinal tract before and after sleeve
2014 Microbiome before and after bariatric surgery
2016 mTOR, insulin resistance and inflammation in adipose tissue
2018 Benchmark studies in bariatric Surgery
2020 PI of RCT SLIM Trial
Scientific support
2002 - 2006 Grant by the Hirzbrunnenstiftung, Basel, Switzerland
2005 Support of novoNordisk
2005 Support of research fund of University Childrens Hospital, Basel, Switzerland
2006 - 2007 Support of Ethicon Endo-Surgery, USA
2006 - 2008 Support of Ethicon Endo-Surgery, Switzerland
2006 - 2007 Support of “Stiftung für medizinische Forschung”, Therwil, Switzerland
2008 - 2011 Grant by the Swiss National Science Foundation (3200B0-116465)
2009 - 2013 Grant by Ethicon Endosurgery, Switzerland
2012 - 2015 Grant by the Swiss National Science Foundation (320030-138439)
2022 Grant by the Swiss National Science Foundation (32003B-204937)

Science

Science Professor Ralph Peterli

Supervision of young Researchers
PhD thesis E. Hirzel
Doctoral thesis A. Frigg, F. Dick, Y. Anner, K. Bolis, A. Schnyder, B. Uglioni, A. Lindinger, P. Toelle, J. Schneider, P. Sieber, R. Scheider, I. Lazzaridis, Ch. Bieg, K. Linke,

Publications

Publications Professor Ralph Peterli

List of publications Prof. Ralph Peterli 1.12.2021 H-Index: 39
Number of articles as 1st author: 30 
Number of articles as seniort author: 31
Number of articles as co-author: 60
Number of Clinical articles: 84
Number of Research articles: 27
Number of Book chapters: 6
Number of Books: 1

Dirnberger AS, Schneider R, Slawik M, Linke K, Kraljević M, Wölnerhanssen B, Peterli R. Management of gallstone disease prior to and after metabolic surgery: a single-center observational study. Surg Obes Relat Dis. 2021 Oct 15:S1550-7289(21)00489-5. doi: 10.1016/j.soard.2021.10.006. Online ahead of print.

Meyer-Gerspach AC, Wingrove JO, Beglinger C, Rehfeld JF, Le Roux CW, Peterli R, Dupont P, O'Daly O, Van Oudenhove L, Wölnerhanssen BK. Erythritol and xylitol differentially impact brain networks involved in appetite regulation in healthy volunteers. Nutr Neurosci. 2021 Aug 18:1-15. doi: 10.1080/1028415X.2021.1965787. Online ahead of print

Peterli R. Neuere, schonendere (?) Verfahren in der Behandlung der morbiden Adipositas. Swiss Medical Forum 2021: 21(35-36): 594-6.

Peterli R, Bueter M, Schultes B. Donath MY, Laederach K, Laimer M, Giusti V, Pralong F. Metabolische Chirurgie als Pflichtleistung in die KLV aufgenommen 2021, Swiss Medical Forum 2021;21(29–30):514–516

Gero D, Vannijvel M, Okkema S, Deleus E, Lloyd A, Menzo EL, Tadros G, Raguz I, Martin AS, Kraljević M, Mantziari S, Frey S, Gensthaler L, Sammalkorpi H, Garcia-Galocha JL, Zapata A, Tatarian T, Wiggins T, Bardisi E, Goreux JP, Seki Y, Vonlanthen R, Widmer J, Thalheimer A, Kasama K, Himpens J, Hollyman M, Welbourn R, Aggarwal R, Beekley A, Sepulveda M, Torres A, Juuti A, Salminen P, Prager G, Iannelli A, Suter M, Peterli R, Boza C, Rosenthal R, Higa K, Lannoo M, Hazebroek EJ, Dillemans B, Clavien PA, Puhan M, Raptis DA, Bueter M. Defining Global Benchmarks in Elective Secondary Bariatric Surgery Comprising Conversional, Revisional and Reversal Procedures. Annals of Surgery, Ann Surg. 2021 Jul 29. doi: 10.1097/SLA.0000000000005117. Online ahead of print.

Süsstrunk J, Thumshirn M, Peterli R, Kraljević M. Early gastrogastric fistula after Roux-en-Y gastric bypass: successful fistula treatment with self-expandable endoscopic stent. BMJ Case Rep. 2021 Jun 11;14(6):e243748. doi: 10.1136/bcr-2021-243748

Kraljević M, Cordasco V, Schneider R, Peters T, Slawik M, Wölnerhanssen B, Peterli R. Long-term Effects of Laparoscopic Sleeve Gastrectomy: What Are the Results Beyond 10 Years? Obes Surg. 2021 Aug;31(8):3427-3433. doi: 10.1007/s11695-021-05437-3. Epub 2021 Apr 22.

Taha-Mehlitz S, Bianco G, Coto-Llerena M, Kancherla V, Bantug GR, Gallon J, Ercan C, Panebianco F, Eppenberger-Castori S, von Strauss M, Staubli S, Bolli M, Peterli R, Matter MS, Terracciano LM, von Flüe M, Ng CKY, Soysal SD, Kollmar O, Piscuoglio S. Adenylosuccinate lyase is oncogenic in colorectal cancer by causing mitochondrial dysfunction and independent activation of NRF2 and mTOR-MYC-axis. Theranostics. 2021 Feb 15;11(9):4011-4029. doi: 10.7150/thno.50051. eCollection 2021.

Kraljevic M, Schneider R, Wölnerhanssen B, Bueter M, Delko T, Peterli R. Different limb lengths in gastric bypass surgery: study protocol for a Swiss multicenter randomized controlled trial (SLIM). Trials 2021 May 19;22(1):352. doi: 10.1186/s13063-021-05313-6

Schneider R, Schulenburg M, Kraljević M, Klasen JM, Peters T, Wölnerhanssen B, Peterli R. 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?. Langenbecks Arch Surg. 2021 May 22. doi: 10.1007/s00423-021-02180-2. Online ahead of print

Peterli R. Biography. Obes Surg. 2021 May;31(5):1903-1904. doi: 10.1007/s11695-021-05377-y.

Stillhard B, Ngo BTT, Peterli R, Peters T, Schneider R, Kraljević M, Slawik M, Wölnerhanssen B. Preoperative Cardiac Diagnostics in Bariatric Patients with Diabetes and Perioperative Morbidity: Results of a Cohort of 258 Patients. Obes Surg. 2021 Mar 3. doi: 10.1007/s11695-021-05300-5. Online ahead of print

Wölnerhanssen BK, Peterli R, Hurme S, Bueter M, Helmiö M, Juuti A, Meyer-Gerspach AC, Slawik M, Peromaa-Haavisto P, Nuutila P, Salminen P. Laparoscopic Roux-en-Y gastric bypass versus laparoscopic sleeve gastrectomy: 5-year outcomes of merged data from two randomized clinical trials (SLEEVEPASS and SM-BOSS). Br J Surg. 2021 Jan 27;108(1):49-57. doi: 10.1093/bjs/znaa011.

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. Gastric emptying of solutions containing the natural sweetener erythritol and effects on gut hormone secretion in humans: A pilot dose-ranging study. Diabetes Obes Metab. 2021 Feb 10. doi: 10.1111/dom.14342. Online ahead of print

Wilhelm A, Nocera F, Schneider R, Koechlin L, Daume DL, Fourie L, Steinemann D, von Flüe M, Peterli R, Angehrn FV, Bolli M. Robot-assisted vs. laparoscopic repair of complete upside-down stomach hiatal hernia (the RATHER-study): a prospective comparative single center study. Surg Endosc. 2021 Feb 1. doi: 10.1007/s00464-021-08307-2. Online ahead of print.

Mahawar KK, Omar I, Singhal R, Aggarwal S, Allouch MI, Alsabah SK, Angrisani L, Badiuddin FM, Balibrea JM, Bashir A, Behrens E, Bhatia K, Biertho L, Biter LU, Dargent J, De Luca M, DeMaria E, Elfawal MH, Fried M, Gawdat KA, Graham Y, Herrera MF, Himpens JM, Hussain FA, Kasama K, Kerrigan D, Kow L, Kristinsson J, Kurian M, Liem R, Lutfi RE, Menon V, Miller K, Noel P, Ospanov O, Ozmen MM, Peterli R, Ponce J, Prager G, Prasad A, Raj PP, Rodriguez NR, Rosenthal R, Sakran N, Santos JN, Shabbir A, Shikora SA, Small PK, Taylor CJ, Wang C, Weiner RA, Wylezol M, Yang W, Aminian A. The first modified Delphi consensus statement on sleeve gastrectomy. Surg Endosc. 2021 Jan 12. doi: 10.1007/s00464-020-08216-w. Online ahead of print.

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. Effect of the Natural Sweetener Xylitol on Gut Hormone Secretion and Gastric Emptying in Humans: A Pilot Dose-Ranging Study. Nutrients. 2021 Jan 8;13(1):174. doi: 10.3390/nu13010174

Bühler J, Rast S, Beglinger C, Peterli R, Peters T, Gebhart M, Meyer-Gerspach AC, Wölnerhanssen BK. Long-Term Effects of Laparoscopic Sleeve Gastrectomy and Roux-en-Y Gastric Bypass on Body Composition and Bone Mass Density.Obes Facts. 2021;14(1):131-140. doi: 10.1159/000512450. Epub 2020 Dec 17

Peterli R. Comment on: High-resolution impedance manometry and 24 h MII-pH before and after sleeve gastrectomy: de novo reflux in a prospective series. Surg Obes Relat Dis. 2021 Feb;17(2):338-339. doi: 10.1016/j.soard.2020.11.002. Epub 2020 Nov 10.

Gero D, Schneider MA, Suter M, Peterli R, Vonlanthen R, Turina M, Bueter M. Sleeve gastrectomy or gastric bypass: a "post-code" lottery? A comprehensive national analysis of the utilization of bariatric surgery in Switzerland between 2011-2017. Surg Obes Relat Dis. 2021 Mar;17(3):563-574. doi: 10.1016/j.soard.2020.10.023. Epub 2020 Oct 22.

Nussbaumer R, Meyer-Gerspach AC, Peterli R, Peters T, Beglinger C, Chiappetta S, Drewe J, Wölnerhanssen B. 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. Obes Facts. 2020;13(6):584-595. doi: 10.1159/000511928. Epub 2020 Nov 17

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

Schneider R, Kraljević M, Peterli R, Rohm TV, Klasen JM, Cavelti-Weder C, Delko T. GLP-1 Analogues as a Complementary Therapy in Patients after Metabolic Surgery: a Systematic Review and Qualitative Synthesis. Obes Surg. 2020 Sep;30(9):3561-3569. doi: 10.1007/s11695-020-04750-7. Epub 2020 Jun 5.

Linke K, Schneider R, Gebhart M, Ngo T, Slawik M, Peters T, Peterli R. Outcome of revisional bariatric surgery for insufficient weight loss after laparoscopic Roux-en-Y gastric bypass: an observational study.
Surg Obes Relat Dis. 2020 Aug;16(8):1052-1059. doi: 10.1016/j.soard.2020.04.009. Epub 2020 Apr 18

Bieg C, Mongelli F, Peterli R, Chirindel AF, Metzger J, von Flüe M, Gass M. Simplified dual time point FDG-PET/computed tomography for determining dignity of pancreatic lesions. Nucl Med Commun. 2020 Jul;41(7):682-687. doi: 10.1097/MNM.0000000000001191

Boerboom A, Aarts E, Lange V, Plamper A, Rheinwalt K, Linke K, Peterli R, Berends F, Hazebroek E.Banding the Pouch with a Non-adjustable Ring as Revisional Procedure in Patients with Insufficient Results After Roux-en-Y Gastric Bypass: Short-term Outcomes of a Multicenter Cohort Study. Obes Surg. 2020 Mar;30(3):797-803. doi: 10.1007/s11695-019-04361-x.

Gero D, Raptis DA, Vleeschouwers W, van Veldhuisen SL, San Martin A, Xiao Y, Galvao M, Giorgi M, Benois M, Espinoza F, Hollyman M, Lloyd A, Hosa A, Schmidt H, Garcia-Galocha JL, Van de Vrande S, Chiappetta S, Lo Menzo E, Mamédio Aboud C, Gagliardo Lüthy S, Orchard P, Rothe R, Prager G, Pournaras DJ, Cohen R, Rosenthal R, Weiner R, Himpens J, Torres A, Higa K, Welbourn R, Marcos M, Boza C, Iannelli A, Vithiananthan S, Almino R, Olbers T, Sepulveda M, Hazebroek EJ, Dillemans D, D. Staiger RD, Puhan M, Peterli R, Bueter M. Defining Global Benchmarks in Bariatric Surgery. A Retrospective Multicenter Analysis of Minimally Invasive Roux-en-Y Gastric Bypass and Sleeve Gastrectomy. Ann Surg 2019;859-867.

Peterli R. [Bariatric Surgery in Switzerland: Legal foundations and standard procedures]. Ther Umsch. 2019 Sep;76(3):129-132. doi: 10.1024/0040-5930/a001073. German.

Peterli R, von Flüe M. Update zu Ernährung, Adipositas, bariatrische und metabole Chirurgie. Ther Umsch. 2019 Sep;76(3):109. doi: 10.1024/0040-5930/a001069. German. No abstract available.

Kraljevic M, Peterli R. [Long-Term Results of Sleeve Gastrectomy]. Ther Umsch. 2019 Sep;76(3):150-153. doi: 10.1024/0040-5930/a001077. German.

Steffen T, Putora PM, Hübner M, Gloor B, Lehmann K, Kettelhack C, Adamina M, Peterli R, Schmidt J, Ris F, Glatzer M. Diagnostic Nodes of Patient Selection for Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy Among Colorectal Cancer Patients: A Swiss National Multicenter Survey. Clin Colorectal Cancer. 2019 Jun 26. pii: S1533-0028(19)30014-3. doi: 10.1016/j.clcc.2019.06.002.

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

Bueter M, Peterli R. Bariatrische Eingriffe bei Erwachsenen. Gesetzliche Rahmenbedingungen und etablierte Verfahren in der Schweiz. Schweizer Zeitschrift für Ernährungsmedizin 1|2019.

Hayoz C, Hermann T, Raptis DA, Brönnimann A, Peterli R, Zuber M. Comparison of metabolic outcomes in patients undergoing laparoscopic roux-en-Y gastric bypass versus sleeve gastrectomy - a systematic review and meta-analysis of randomised controlled trials. Swiss Med Wkly. 2018 Jul 5;148:w14633. doi: 10.4414/smw.2018.14626. eCollection 2018. Review.

Peterli R. Chirurgische Behandlung der morbiden Adipositas: ein Update. Hausarzt Praxis. 2018; Vol.13, Nr. 10.

Peterli R, Wölnerhanssen BK, Bueter M. Response to: "Are Guidelines for Standardized Outcome Reporting in Bariatric Surgery Responsible for Missing the Big Picture in Bariatric Surgery Related Major Complications?" Ann Surg. 2018 Jul;268(1):e13-e14. doi: 10.1097/SLA.0000000000002317. No abstract available.

Shimobayashi M, Albert V, Woelnerhanssen B, Frei IC, Weissenberger D, Meyer-Gerspach AC, Clement N, Moes S, Colombi M, Meier JA, Swierczynska MM, Jenö P, Beglinger C, Peterli R, Hall MN. Insulin resistance causes inflammation in adipose tissue. J Clin Invest. 2018 Apr 2;128(4):1538-1550. doi: 10.1172/JCI96139. Epub 2018 Mar 12.

Schneider R, Lazaridis I, Kraljević M, Beglinger C, Wölnerhanssen B, Peterli R. The impact of preoperative investigations on the management of bariatric patients; results of a cohort of more than 1200 cases. Surg Obes Relat Dis. 2018 May;14(5):693-699. doi: 10.1016/j.soard.2018.01.009. Epub 2018 Jan 12.

Peterli R, Wölnerhanssen BK, Peters T, Vetter D, Kröll D, Borbély Y, Schultes B, Beglinger C, Drewe J, Schiesser M, Nett P, Bueter M. 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. 2018 Jan 16;319(3):255-265. doi: 10.1001/jama.2017.20897.

Wölnerhanssen BK, Moran AW, Burdyga G, Meyer-Gerspach AC, Peterli R, Manz M, Thumshirn M, Daly K, Beglinger C, Shirazi-Beechey SP. Deregulation of transcription factors controlling intestinal epithelial cell differentiation; a predisposing factor for reduced enteroendocrine cell number in morbidly obese individuals. Sci Rep. 2017 Aug 15;7(1):8174. doi: 10.1038/s41598-017-08487-9.

Vinzens F, Kilchenmann A, Zumstein V, Slawik M, Gebhart M, Peterli R. Long-term outcome of laparoscopic adjustable gastric banding (LAGB): results of a Swiss single-center study of 405 patients with up to 18 years' follow-up. Surg Obes Relat Dis. 2017 Aug;13(8):1313-1319. doi: 10.1016/j.soard.2017.04.030. Epub 2017 Apr 29.

Peterli R, Wölnerhanssen BK, Vetter D, Nett P, Gass M, Borbély Y, Peters T, Schiesser M, Schultes B, Beglinger C, Drewe J, Bueter M. 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). Ann Surg. 2017 Mar;265(3):466-473. doi: 0.1097/SLA.0000000000001929.

Wölnerhanssen BK, Meyer-Gerspach AC, Peters T, Beglinger C, Peterli R. Incretin effects, gastric emptying and insulin responses to low oral glucose loads in patients after gastric bypass and lean and obese controls. Surg Obes Relat Dis. 2016 Aug;12(7):1320-1327. doi: 10.1016/j.soard.2015.11.022. Epub 2015 Nov 27.

Däster S, Soysal SD, Koechlin L, Stoll L, Peterli R, von Flüe M, Ackermann C. Perioperative outcomes of esophageal cancer surgery in a mid-volume institution in the era of centralization. Langenbecks Arch Surg. 2016 Sep;401(6):787-95. doi: 10.1007/s00423-016-1477-1. Epub 2016 Jul 19.

Wölnerhanssen BK, Cajacob L, Keller N, Doody A, Rehfeld JF, Drewe J, Peterli R, Beglinger C, Meyer-Gerspach AC. Gut hormone secretion, gastric emptying, and glycemic responses to erythritol and xylitol in lean and obese subjects. Am J Physiol Endocrinol Metab. 2016 Jun 1;310(11):E1053-61. doi: 10.1152/ajpendo.00037.2016. Epub 2016 Apr 26.

Schneider R, Gass JM, Kern B, Peters T, Slawik M, Gebhart M, Peterli R. 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. Langenbecks Arch Surg. 2016 May;401(3):307-13. doi: 10.1007/s00423-016-1397-0. Epub 2016 Mar 21.

Schneider J, Peterli R, Gass M, Slawik M, Peters T, Wölnerhanssen BK. 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. Surg Obes Relat Dis. 2016 Mar-Apr;12(3):563-570. doi: 10.1016/j.soard.2015.07.002. Epub 2015 Jul 9.

Wölnerhanssen B, Peterli R. [Management of complications after bariatric surgery]. Chirurg. 2015 Dec;86(12):1114-20. Review. German.

Lindinger PW, Christe M, Eberle AN, Kern B, Peterli R, Peters T, Jayawardene KJ, Fearnley IM, Walker JE. Important mitochondrial proteins in human omental adipose tissue show reduced expression in obesity. Data Brief. 2015 Apr 23;4:40-3. doi: 10.1016/j.dib.2015.04.007. eCollection 2015 Sep.

Wölnerhanssen BK, Meyer-Gerspach AC, Schmidt A, Zimak N, Peterli R, Beglinger C, Borgwardt S. Dissociable Behavioral, Physiological and Neural Effects of Acute Glucose and Fructose Ingestion: A Pilot Study. PLoS One. 2015 Jun 24;10(6):e0130280. doi: 10.1371/journal.pone.0130280. eCollection 2015.

Lindinger PW, Christe M, Eberle AN, Kern B, Peterli R, Peters T, Jayawardene KJ, Fearnley IM, Walker JE. Important mitochondrial proteins in human omental adipose tissue show reduced expression in obesity. J Proteomics. 2015 Jun 21;124:79-87. doi: 10.1016/j.jprot.2015.03.037. Epub 2015 Apr 10.

Yu YH, Vasselli JR, Zhang Y, Mechanick JI, Korner J, Peterli R. Metabolic vs. hedonic obesity: a conceptual distinction and its clinical implications. Obes Rev. 2015 Mar;16(3):234-47. doi: 10.1111/obr.12246. Epub 2015 Jan 14. Review.

Däster S, Soysal SD, Stoll L, Peterli R, von Flüe M, Ackermann C. Long-Term Quality of Life after Ivor Lewis Esophagectomy for Esophageal Cancer. World J Surg. 2014 Sep;38(9):2345-51

Wölnerhanssen B, Peterli R. State of the Art: Sleeve Gastrectomy. Dig Surg. 2014;31(1):40-7. doi: 10.1159/000354320. Epub 2014 May 8 Review

Sieber P, Gass M, Kern B, Peters T, Slawik M, Peterli R. Five-Year Results of Laparoscopic Sleeve Gastrectomy. Surg Obes Relat Dis. 2014 Mar-Apr;10(2):243-9 (Epub 2013 Jul 10.)

Timper K, Grisouard J, Sauter NS, Herzog-Radimerski T, Dembinski K, Peterli R, Frey DM, Zulewski H, Keller U, Müller B, Christ-Crain M. Glucose-dependent insulinotropic polypeptide induces cytokine expression, lipolysis, and insulin resistance in human adipocytes. Am J Physiol Endocrinol Metab.2013 Jan;304(1):E1-E13.

Steinert RE, Peterli R, Keller S, Meyer-Gerspach AC, Drewe J, Peters T, Beglinger C. Bile acids and gut peptide secretion after bariatric surgery - A 1-year prospective randomized pilot trial. Obesity (Silver Spring). 2013 Dec;21(12):E660-8. doi: 10.1002/oby.20522. Epub 2013 Aug 13.

Christe M, Hirzel E, Lindinger A, Kern B, von Flüe M, Peterli R, Peters T, Eberle AN, Lindinger PW. Obesity affects mitochondrial citrate synthase in human omental adipose tissue. ISRN Obes. 2013 Jul 28;2013

Gass M, Zynamon A, von Flüe M, Peterli R. Drain-site hernia containing the vermiform appendix: report of a case. Case Rep Surg. 2013;2013:198783. (Epub 2013 Jun 4.)

Peterli R, Borbély Y, Kern B, Gass M, Peters T, Thurnheer M, Schultes B, Laederach K, Bueter M, Schiesser M. Early Results of the Swiss Multicentre Bypass Or Sleeve Study (SM-BOSS): A prospective randomized trial comparing laparoscopic Sleeve Gastrectomy and Roux-Y-Gastric Bypass. Ann Surg, 2013 Nov;258(5):690-4; discussion 695.

Weiner R, Peterli R. Operation Primer. Laparoscopic Gastric Sleeve. Springer Verlag 2012

Peterli R, Steinert RE, Woelnerhanssen B, Peters T, Christoffel-Courtin C, Gass M, Kern B, von Fluee M, Beglinger C. Metabolic and hormonal changes after laparoscopic Roux-en-Y gastric bypass and sleeve gastrectomy: a randomized, prospective trial. Obes Surg. 2012 May;22(5):740-8.

Toelle P, Peterli R, Zobel I, Noppen C, Christoffel-Courtin C, Peters T. Risk factors for secondary hyperparathyroidism after bariatric surgery: a comparison of 4 different operations and of vitamin D-receptor-polymorphism. Exp Clin Endocrinol Diabetes. 2012 Nov;120(10):629-34. doi: 10.1055/s-0032-1321811. Epub 2012 Oct 16

Ekelund M, Oberg S, Peterli R, Frederiksen SG, Hedenbro JL.
Gastroesophageal Reflux after Vertical Banded Gastroplasty is Alleviated by Conversion to Gastric Bypass. Obes Surg. 2012 Jun;22(6):851-4.

Grisouard J, Bouillet E, Timper K, Radimerski T, Dembinski K, Frey DM, Peterli R, Zulewski H, Keller U, Müeller B, Christ-Crain M. Both inflammatory and classical lipolytic pathways are involved in lipopolysaccharides-induced lipolysis in human adipocytes. Innate Immun. 2012 Feb;18(1):25-34. Epub 2010 Nov 18

Timper K, Grisouard J, Radimerski T, Dembinski K, Peterli R, Häring A, Frey DM, Zulewski H, Keller U, Müller B, Christ-Crain M. Glucose-Dependent Insulinotropic Polypeptide (GIP) Induces Calcitonin Gene-Related Peptide (CGRP)-I and Procalcitonin (Pro-CT) Production in Human Adipocytes. J Clin Endocrinol Metab. 2011 Feb;96(2):E297-303. Epub 2010 Nov 24

Grisouard J, Timper K, Bouillet E, Radimerski T, Dembinski K, Frey D, Peterli R, Zulewski H, Keller U, Müller B, Christ-Crain M. Metformin counters both lipolytic/inflammatory agents-decreased hormone sensitive lipase phosphorylation at Ser-554 and -induced lipolysis in human adipocytes. Archives of Physiology And Biochemistry 2011 Oct;117(4):209-14. Epub 2011 Feb 22.

Businger A, Grunder G, Guenin MO, Ackermann C, Peterli R, von Flüe M. Mechanical bowel preparation and antimicrobial prophylaxis in elective colorectal surgery in Switzerland--a survey. Langenbecks Arch Surg. 2011 Jan;396(1):107-13. Epub 2010 Oct 24.

Woelnerhanssen B, Peterli R, Steinert RE, Peters T, Borbély Y, Beglinger C. Effects of post-bariatric surgery weight loss on adipokines and metabolic parameters: Comparison of laparoscopic Roux-en-Y gastric bypass (LRYGB) and laparoscopic sleeve gastrectomy (LSG) - a prospective randomized trial. Surg Obes Relat Dis. 2011 Sep-Oct;7(5):561-8. Epub 2011 Mar 22

Däster S, Borbély Y, Peterli R. Acute Pancreatitis after Roux-en-Y Gastric Bypass Surgery due to Reflux into the Biliopancreatic Limb. Surg Obes Relat Dis. 2012,8(3):e37-9. Epub 2011 Feb 24.

Peterli R, Looser C: Cholezystolithiasis aus chirurgischer Sicht in: Praxis der Viszeralchirurgie, 3. Aufl. Springer Verlag, Heidelberg 2011.

Gass M, Beglinger C, Peterli R. Metabolic Surgery – principles and current concepts. Langenbecks Arch Surg. 2011 Oct;396(7):949-72. Epub 2011 Aug 26. Review

Peterli R, Looser C: Cholezystolithiasis aus chirurgischer Sicht in: Praxis der Viszeralchirurgie, 3. Aufl. Springer Verlag, Heidelberg 2011.

Von Grünigen H, Peterli R, Schultess B, Hauser R: Magenoperation gegen Adipositas. Broschüre der Schweizerischen Adipositas-Stiftung 2011.

Gehrer S, Kern B, Peters T, Christoffel-Courtin C, Peterli R. Fewer Nutrient Deficiencies after Laparoscopic Sleeve Gastrectomy (LSG) than after Laparoscopic Roux-Y-Gastric Bypass (LRYGB) - a Prospective Study. Obes Surg. 2010 Apr;20(4):447-53. Epub 2010 Jan 26

Lindinger A, Peterli R, Peters T, Kern B, von Flüe M, Calame M, Hoch M, Eberle AN, Lindinger PW. Mitochondrial DNA content in human omental adipose tissue. Obes Surg. 2010 Jan;20(1):84-92. doi: 10.1007/s11695-009-9987-3. Epub 2009

Grisouard J, Timper K, Radimerski TM, Frey DM, Peterli R, Kola B, Korbonits M, Herrmann P, Krähenbühl S, Zulewski H, Keller U, Müller B, Christ-Crain M. Mechanisms of metformin action on glucose transport and metabolism in human adipocytes. Biochem Pharmacol. 2010 Dec 1;80(11):1736-45. Epub 2010 Sep 8

PFEFFERKORN U, SANLAV L, MOLDENHAUER J, PETERLI R, ACKERMANN C, VON FLUEE M. Antibiotic prophylaxis at Urinary Catheter Removal prevents Urinary Tract Infections: A prospective Randomised Trial. Annals of Surgery, 249: 573-5, 2009.

Chazelet c, Verhaeghe p, Perterli r, Houdart r, topart r, Tussiot j, Skawinski p, Seraille g, Catheline jm, Merabet m, Dehaye b, Pautot v, Juglard g, Sala jj, Fennich s : La Sleeve gastrique isolée : résultats d’une serie multicentrique de 446 sleeve. Journal de Chirurgie 146: 368-72, 2009.

NEBIKER CA, BAIERLEIN A, BECK S, VON FLUEE M, ACKERMANN C, PETERLI R: Is routine MR cholangiopancreatography (MRCP) justified prior to cholecystectomy? Langenbecks Arch Surg. 2009 Nov;394(6):1005-10. Epub 2008 Dec 16.

UGLIONI B, WÖLNERHANSSEN B, PETERS T, CHRISTOFFEL-COURTIN C, KERN B, PETERLI R. Mid-term results of primary vs secondary laparoscopic sleeve gastrectomy (LSG) as an isolated operation. Obes Surg. 2009 Apr;19(4):401-6. Epub 2009 Jan 24.

PETERLI R, WOELNERHANSSEN B, DEVAUX N, KERN B, PETERS T, CHRISTOFFEL C, DREWE J, VON FLUEE M, BEGLINGER C. Improvement in glucose metabolism after bariatric surgery: Comparison of laparoscopic Roux-en-Y gastric bypass and laparoscopic sleeve gastrectomy: a prospective randomized trial. Ann Surg. 2009 Aug;250(2):234-41.

HOCH M, EBERLE A, PETERLI R, PETERS T, SEBOEK D, KELLER U, MÜLLER B, LINSCHEID P: LPS induces interleukin-6 and interleukin-8 but not tumor necrosis factor-α in human adipocytes. Cytokine 41: 29-37, 2008.

PFEFFERKORN U, PETERS T, PETERLI R: Recurrent pancreatitis as the only presenting symptom of intermittent small bowel obstruction after biliopancreatic diversion. Surg Obes Relat Dis. Mar-Apr;4(2):202-4, 2008.

WOELNERHANSSEN B, KERN B, PETERS T, ACKERMANN C, VON FLUEE M, PETERLI R: Predictors of outcome in treatment of morbid obesity by laparoscopic adjustable gastric banding: results of a prospective study of 380 patients. Surg Obes Relat Dis. Jul-Aug;4(4):500-6, 2008.

HOCH M, EBERLE A, LINSCHEID P, MARTIN I, PETERS T, PETERLI R: Weak functional coupling of the melanocortin-1 receptor expressed on human adipocytes. J Recept Signal Transduct Res.28(5):485-504, 2008.

BAIERLEIN S, WISTOP A, LOOSER C, BUSSMANN C, VON FLUEE M, PETERLI R: Primary pancreatic neoplasia or metastasis from colon carcinoma? Acta Gastroenterol Belg. 2008 Oct-Dec;71(4):401-8

PETERLI R. Laparoscopic Sleeve Gastrectomy. Bariatric Edge. 2008

HOCH M, EBERLE A, WAGNER U, BUSSMANN C, PETERS T, PETERLI R: Expression and localization of melanocortine-1 receptor in human adipose tissues of morbidly obese patients. Obesity 15, 40-9, 2007.

PETERLI R, WÖLNERHANSSEN B, KERN B, ACKERMANN C, VON FLÜE M, PETERS T. 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, 334-40, 2007.

BAIERLEIN S, WISTOP A, LOOSER C, PETERS T, RIEHLE HM, VON FLÜE M, PETERLI R: Abdominal Actinomycosis: A rare complication after laparoscopic Roux-Y-Bypass for Morbid Obesity. Obes Surg, Aug;17(8):1123-6, 2007.

FUEGLISTALER P, GUENIN MO, MONTALI I, KERN B, PETERLI R, VON FLUEE M, ACKERMANN C: Long-term results after stapled hemorrhoidopexy: high patient satisfaction despite frequent postoperative symptoms. Dis Colon Rectum. Feb;50(2):204-12, 2007.

PETERLI R, PETERS T, VON FLUEE M, HOCH M, EBERLE A: Melanocortin-4-receptor gene and complications after gastric banding. Obesity Surgery 16, 189-95, 2006.

WIRTH D, KERN B, GUENIN MO, MONTALI I, PETERLI R, ACKERMANN C, VON FLÜE M. Outcome and quality of life after open surgery versus endoscopic stapler-assisted esophagodiverticulostomy for Zenker’s diverticulum. Dis Esophagus 19(4):294-8, 2006.

PETERLI R, LOOSER C: Cholezystolithiasis aus chirurgischer Sicht in: Praxis der Viszeralchirurgie, 2. Aufl. Springer Verlag, Heidelberg 2006.

ROSENTHAL R, PETERLI R, GUENIN MO, VON FLUEE M, ACKERMANN C: Laparoscopic antireflux surgery: long-term outcomes and quality of life. J Laparoendosc Adv Surg Tech A 16 (6), 557-61, 2006

WOELNERHANSSEN B, ACKERMANN C, GUENIN MO, KERN B, TONDELLI P, VON FLUEE M, PETERLI R: 12 Jahre laparoskopische Cholezystektomie: Resultate einer prospektiven Studie von 4498 an einer Klinik durchgeführten Cholezystektomien. Chirurg, 76:263-9, 2005.

WOELNERHANSSEN B, KERN B, PETERS T, ACKERMANN C, VON FLUEE M, PETERLI R: Reduction in slippage-rate with 11cm LAPBand® and change of gastric banding-technique. Obesity Surgery 15, 1050-4, 2005.

GUENIN MO, ROSENTHAL R, KERN B, PETERLI R, VON FLUEE M, ACKERMANN C: Ferguson Hemorrhoidectomy: Long Term results and patient satisfaction after Ferguson’s Hemorrhoidectomy. Dis Colon Rectum Aug;48(8):1523-7, 2005.

WOELNERHANSSEN B, PETERLI R: Therapie der Leistenhernie. Springer Lexikon 2005

FRIGG A, PETERLI R *, PETERS T, ACKERMANN C, TONDELLI P: Reduction in Co-morbidities 4 Years after Laparoscopic Adjustable Gastric Banding. Obesity Surgery, 14, 216-23, 2004.

BIRKHAEUSER F, ACKERMANN C, FLÜCKIGER T, GUENIN MO, KERN B, TOBNDELLI P, PETERLI R: First Description of PECooma (Perivascular Epitheloid Cell Tumor) of the Colon: Report of a Case and Review of the Literature. Dis Colon Rectum, 47(10):1734-7, 2004

SCHUETZ P, PETERLI R, LUDWIG C, PETERS T: Fatigue, Weakness, and Sexual Dysfunction after Bariatric Surgery – Not an Unusual Case but an Unusual Cause. Obesity Surgery 14, 1025-8, 2004

HERRLE F, PETERS T, LANG C, VON FLUEE M, KERN B, PETERLI R: Bolus Obstruction of Pouch Outlet by Granular Bulk Laxative after Gastric Banding. Obesity Surgery 14, 1022-24, 2004

KERN B, ACKERMANN C, PETERLI R, GUENIN MO, TONDELLI P: Primary Adenocarcinoma of the Ileostomy Following Total Colectomy for Ulcerative Colitis. Coloproctology 25, 266-9, 2003

PETERLI R, LOOSER C, TONDELLI P: Cholezystolithiasis aus chirurgischer Sicht in: Chirurgische Gastroenterologie, 3. Aufl. Springer Verlag, Heidelberg 2002.

PETERLI R, DONADINI A, PETERS T, ACKERMANN C, TONDELLI P: Re-operations following laparoscopic gastric banding. Obesity Surgery, 12, 851-56, 2002.

FRIGG A, PETERLI R *, ZYNAMON A, LANG C, TONDELLI P: Radiologic and Endoscopic Evaluation for Laparoscopic Adjustable Gastric Banding: Preoperative and Follow-Up. Obesity Surgery, 11, 594-9, 2001.

PETERLI R, HERZOG U, SCHUPPISSER JP, ACKERMANN C, TONDELLI P: the learning curve of laparoscopic technique and changes in indications for cholecystectomy. One institution's experience with 2650 cholecystectomies. J laparoendosc surg 10, 13-19, 2000.

PETERLI R, SCHUPPISSER JP, ACKERMANN C, HERZOG U, TONDELLI P: prevalence of postcholecystectomy symptoms, long-term outcome after open versus laparosocopic cholecystectomy. World J Surg 24, 1232-35, 2000.

PETERLI R, STRUB R, HERZOG U, ACKERMANN C, SCHUPPISSER JP, TONDELLI P: Steigende Frequenz bariatrisch-chirurgischer Eingriffe seit Ersatz der Gastroplastik durch das laparoskopische Magenband zur Behandlung der morbiden Adipositas. Chirurg 70, 190-5, 1999.

ACKERMANN, C, HERZOG U, SCHUPPISSER JP, PETERLI R, TONDELLI P: Gibt es noch Indikationen zur offenen Fundoplicatio?. DtGesChir Kongressband, 68-72, 1999.

PETERLI R, MEYER-WYSS B, HERZOG U, TONDELLI P: CA 19-9 hat bei Verschlussikterus als Tumormarker keine Bedeutung. Schweiz Med Wschr 129, 77-9, 1999.

PETERLI R, MERKI L, SCHUPPISSER JP, ACKERMANN C, HERZOG U, TONDELLI P: Postcholezystektomie-Beschwerden 1 Jahr nach laparoskopischer Cholezystektomie. Ergebnisse einer prospektiven Untersuchung von 253 Patienten. Chirurg 69, 55-60, 1998.

TRUTMAN M, TERRACCIANO L, NOPPEN C, KLOTH J, KASPAR M, PETERLI R, TONDELLI P, SCHAEFER C, ZAJAC P, HEBERER M, SPAGNOLI G: GM-CSF Gene Expression and Protein Production in human Colorectal Cancer Cell Lines and clinical Tumor Specimens. Int J Cancer 77, 378-85, 1998.

PETERLI R, ACKERMANN C, HERZOG U, SCHUPPISSER JP, TONDELLI P: Resultate der analen Sphinkterplastik bei Stuhlinkontinenz - Bedeutung der endoanalen Sonographie. Swiss Surg 3, 112-6. 1997.

PETERLI R, GEERING P, HUBER AK: Mirizzi Syndrome: Präoperative Diagnostik und therapeutisches Management. Swiss Surg 1, 298-303. 1995.

PETERLI R, ACKERMANN C, TONDELLI P: Incarcerierte Zwerchfellhernie als Folge iatrogener Zwerchfelldefekte. Chirurg 67, 1050-2. 1996.

KÜTTEL JC, PETERLI R, SCHÜPFER C, HORN R, MULLER C, GRÖTZINGER U: Frühergebnisse nach Transversalisplastik. Helv.chir.Acta 57, 931-4. 1990.

OBERHOLZER M, CHRISTEN H, DALQUEN P, STAUB JJ, PETERLI R, ETTLIN R, HEITZ PU: Morphometry in Clinical Pathology, Clinical Cytometry and Histometry, 332-6. 1987.

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