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Publikationen Metabolische und Bariatrische Chirurgie

Author's Reply to the "Letter to the Editor Regarding 'The Performance of Opioid-Free Anesthesia for Bariatric Surgery in Clinical Practice'". Ulbing S, Infanger L, Fleischmann E, Prager G, Hamp T. Obes Surg. 2023 Sep 27. doi: 10.1007/s11695-023-06817-7. Epub ahead of print. PMID: 37752325.

Prävention und Management von postinterventioneller Gewichtszunahme [Prevention and management of postinterventional weight regain]. Kruschitz R, Fahrnberger M, Felsenreich DM, Ress C, Andersen B, Aydinkoc-Tuzcu K, Ciardi C, Huber SL, Kiefer FW. Wien Klin Wochenschr. 2023 Nov;135(Suppl 6):743-750. German. doi: 10.1007/s00508-023-02273-6. Epub 2023 Oct 11. PMID: 37821697; PMCID: PMC10567866.

Indikation und präoperative Planung zur bariatrischen Operation [Indications and preoperative planning for bariatric surgery]. Felsenreich DM, Malzner A, Eichner M, Hoelbing E, Moosbrugger A, Beckerhinn P, Prager G, Brix JM, Itariu BK. Wien Klin Wochenschr. 2023 Nov;135(Suppl 6):721-728. German. doi: 10.1007/s00508-023-02271-8. Epub 2023 Oct 11. PMID: 37821695; PMCID: PMC10567874.

Übergewicht und Adipositas bei Erwachsenen: allgemeine Behandlungsgrundsätze und konservatives Management [Overweight and obesity in adults: general principles of treatment and conservative management]. Brix JM, Andersen B, Aydinkoc-Tuzcu K, Beckerhinn P, Brossard-Eitzinger A, Cavini A, Ciardi C, Clodi M, Eichner M, Erlacher B, Fahrnberger M, Felsenreich DM, Francesconi C, Göbel B, Hölbing E, Hoppichler F, Huber J, Huber SL, Itariu BK, Jandrasitz B, Kiefer FW, Köhler G, Kruschitz R, Ludvik B, Malzner A, Moosbrugger A, Öfferlbauer-Ernst A, Parzer V, Prager G, Resl M, Ress C, Schelkshorn C, Scherer T, Sourji H, Stechemesser L, Stulnig T, Toplak H, Wakolbinger M, Vonbank A, Weghuber D. Wien Klin Wochenschr. 2023 Nov;135(Suppl 6):706-720. German. doi: 10.1007/s00508-023-02270-9. Epub 2023 Oct 11. PMID: 37821694; PMCID: PMC10567802

Outcome of Gastric Bypass Surgery on Patients with Polycystic Ovary Syndrome: A Review. Ghobrial S, Ott J, Steininger J, Dewailly D, Prager G. J Clin Med. 2023 Jun 9;12(12):3940. doi: 10.3390/jcm12123940. PMID: 37373633; PMCID: PMC10299540.

Impact of Bariatric Surgery on the Stability of the Genetic Material, Oxidation, and Repair of DNA and Telomere Lengths. Ferk F, Mišík M, Ernst B, Prager G, Bichler C, Mejri D, Gerner C, Bileck A, Kundi M, Langie S, Holzmann K, Knasmueller S. Antioxidants (Basel). 2023 Mar 21;12(3):760. doi: 10.3390/antiox12030760. PMID: 36979008; PMCID: PMC10045389.

Potential Risk of Hypoglycaemia in Gastric Bypass Patients with Their Profession in Public Transportation System. Felsenreich DM, Prager G, Chiappetta S, Stier C. Obes Surg. 2023 Nov;33(11):3687-3688. doi: 10.1007/s11695-023-06814-w. Epub 2023 Sep 20. PMID: 37726563.

Young-IFSO Bariatric/Metabolic Surgery Training and Education Survey. Felsenreich DM, Yang W, Taskin HE, Abdelbaki T, Shahabi S, Zakeri R, Talishinskiy T, Gero D, Neimark A, Chiappetta S; Young IFSO Collaborative Group. Obes Surg. 2023 Sep;33(9):2816-2830. doi: 10.1007/s11695-023-06751-8. Epub 2023 Jul 28. PMID: 37505341.

Reply to Nimeri: Intrathoracic pouch migration in single-anastomosis gastric bypass with and without hiatoplasty: a 3-dimensional-computed tomography volumetry study. Felsenreich DM, Arnoldner MA, Jedamzik J, Prager G. Surg Obes Relat Dis. 2023 Apr;19(4):396-397. doi: 10.1016/j.soard.2023.01.006. Epub 2023 Jan 14. PMID: 36788047.

Perioperative Interventions to Prevent Gastroesophageal Reflux Disease and Marginal Ulcers After Bariatric Surgery - an International Experts' Survey. Chiappetta S, Stier C, Ghanem OM, Dayyeh BKA, Boškoski I, Prager G, LaMasters T, Kermansaravi M; PGEMU collaborators. Obes Surg. 2023 May;33(5):1449-1462. doi: 10.1007/s11695-023-06481-x. Epub 2023 Feb 13. PMID: 36781593.

The male patient with obesity undergoing metabolic and bariatric surgery: changes in testosterone levels correlate with weight loss after one-anastomosis gastric bypass and Roux-en-Y gastric bypass. Jedamzik J, Bichler C, Felsenreich DM, Brugger J, Eichelter J, Nixdorf L, Krebs M, Itariu B, Langer FB, Prager G. Surg Obes Relat Dis. 2023 Jul;19(7):699-705. doi: 10.1016/j.soard.2022.12.034. Epub 2022 Dec 30. PMID: 36740523.

Esophageal function and non-acid reflux evaluated by impedance-24 h-pH-metry, high-resolution manometry, and gastroscopy after one-anastomosis gastric bypass-outcomes of a prospective mid-term study. Felsenreich DM, Zach ML, Vock N, Jedamzik J, Eichelter J, Mairinger M, Gensthaler L, Nixdorf L, Richwien P, Bichler C, Kristo I, Langer FB, Prager G.  Surg Endosc. 2023 May;37(5):3832-3841. doi: 10.1007/s00464-022-09857-9. Epub 2023 Jan 24. PMID: 36693919; PMCID: PMC10156623.

Intrathoracic pouch migration in one-anastomosis gastric bypass with and without hiatoplasty: A 3-dimensional-computed tomography volumetry study. Felsenreich DM, Arnoldner MA, Wintersteller L, Mrekva A, Jedamzik J, Eichelter J, Langer FB, Prager G. Surg Obes Relat Dis. 2023 May;19(5):492-499. doi: 10.1016/j.soard.2022.11.009. Epub 2022 Nov 21. PMID: 36566133.

Best practice approach for redo-surgeries after sleeve gastrectomy, an expert's modified Delphi consensus. Kermansaravi M, Parmar C, Chiappetta S, Shikora S, Aminian A, Abbas SI, Angrisani L, Bashir A, Behrens E, Bhandari M, Clapp B, Cohen R, Dargent J, Dilemans B, De Luca M, Haddad A, Gawdat K, Elfawal MH, Himpens J, Huang CK, Husain F, Kasama K, Kassir R, Khan A, Kow L, Kroh M, Lakdawala M, Corvala JAL, Miller K, Musella M, Nimeri A, Noel P, Palermo M, Poggi L, Poghosyan T, Prager G, Prasad A, Alqahtani A, Rheinwalt K, Ribeiro R, Shabbir A, Torres A, Villalonga R, Wang C, Mahawar K, Zundel N. Surg Endosc. 2023 Mar;37(3):1617-1628. doi: 10.1007/s00464-023-09879-x. Epub 2023 Jan 24. PMID: 36693918.

The Timing of Pregnancies After Bariatric Surgery has No Impact on Children's Health-a Nationwide Population-based Registry Analysis. Beiglböck H, Mörth E, Reichardt B, Stamm T, Itariu B, Harreiter J, Eichelter J, Prager G, Kautzky-Willer A, Wolf P, Krebs M. Obes Surg. 2023 Jan;33(1):149-155. doi: 10.1007/s11695-022-06346-9. Epub 2022 Nov 7. PMID: 36344726; PMCID: PMC9834372.

Surgical Technique for Weight Regain after Roux-en-Y Gastric Bypass: Pouch-resizing and the MiniMIZER® Gastric Ring. Nixdorf L, Felsenreich DM, Bichler C, Jedamzik J, Eichelter J, Gensthaler L, Mairinger M, Richwien P, Gachabayov M, Langer FB, Prager G. Surg Technol Int. 2022 Nov 22;41:sti41/1647. doi: 10.52198/22.STI.41.GS1647. Epub ahead of print. PMID: 36413791.

Fifteen Years after Sleeve Gastrectomy: Gastroscopies, Manometries, and 24-h pH-Metries in a Long-Term Follow-Up: A Multicenter Study. Felsenreich DM, Artemiou E, Wintersteller L, Jedamzik J, Eichelter J, Gensthaler L, Bichler C, Sperker C, Beckerhinn P, Kristo I, Langer FB, Prager G. Obes Facts. 2022;15(5):666-673. doi: 10.1159/000526170. Epub 2022 Jul 26. PMID: 35882187; PMCID: PMC9669976.

Reply to the Letter to the Editor Concerning Outcome of Sleeve Gastrectomy to Roux-en-Y Gastric Bypass and One-Anastomosis Gastric Bypass. Felsenreich DM, Jedamzik J, Langer FB, Prager G.Obes Surg. 2022 Aug;32(8):2793-2794. doi: 10.1007/s11695-022-06116-7. Epub 2022 May 31. PMID: 35641713.

Surgical Technique of Single Anastomosis Duodeno-Ileal Bypass with Sleeve Gastrectomy (SADI-S). Eichelter J, Felsenreich DM, Bichler C, Gensthaler L, Gachabayov M, Richwien P, Nixdorf L, Jedamzik J, Mairinger M, Langer FB, Prager G. Surg Technol Int. 2022 May 27;41:sti41/1571. doi: 10.52198/22.STI.41.GS1571. Epub ahead of print. PMID: 35623034.

Reply to comment on: Conversion from one-anastomosis gastric bypass to Roux-en-Y gastric bypass. Jedamzik J, Felsenreich DM, Prager G. Surg Obes Relat Dis. 2022 May;18(5):675-676. doi: 10.1016/j.soard.2022.02.015. Epub 2022 Feb 18. PMID: 35339392.

EAES rapid guideline: systematic review, network meta-analysis, CINeMA and GRADE assessment, and European consensus on bariatric surgery-extension 2022. Carrano FM, Iossa A, Di Lorenzo N, Silecchia G, Kontouli KM, Mavridis D, Alarçon I, Felsenreich DM, Sanchez-Cordero S, Di Vincenzo A, Balagué-Ponz MC, Batterham RL, Bouvy N, Copaescu C, Dicker D, Fried M, Godoroja D, Goitein D, Halford JCG, Kalogridaki M, De Luca M, Morales-Conde S, Prager G, Pucci A, Vilallonga R, Zani I, Vandvik PO, Antoniou SA; EAES Bariatric Surgery Guidelines Group. Surg Endosc. 2022 Mar;36(3):1709-1725. doi: 10.1007/s00464-022-09008-0. Epub 2022 Jan 20. PMID: 35059839.

Trends of Overweight and Obesity in Male Adolescents: Prevalence, Socioeconomic Status, and Impact on Cardiovascular Risk in a Central European Country. Gensthaler L, Felsenreich DM, Jedamzik J, Eichelter J, Nixdorf L, Bichler C, Krebs M, Itariu B, Langer FB, Prager G. Obes Surg. 2022 Apr;32(4):1024-1033. doi: 10.1007/s11695-021-05867-z. Epub 2022 Jan 18. PMID: 35041124; PMCID: PMC8933384.

Outcome of Sleeve Gastrectomy Converted to Roux-en-Y Gastric Bypass and One-Anastomosis Gastric Bypass. Felsenreich DM, Steinlechner K, Langer FB, Vock N, Eichelter J, Bichler C, Jedamzik J, Mairinger M, Kristo I, Prager G. Obes Surg. 2022 Mar;32(3):643-651. doi: 10.1007/s11695-021-05866-0. Epub 2022 Jan 14. PMID: 35028871; PMCID: PMC8866292.

Conversion from one-anastomosis gastric bypass to Roux-en-Y gastric bypass: when and why-a single-center experience of all consecutive OAGB procedures. Jedamzik J, Bichler C, Felsenreich DM, Gensthaler L, Eichelter J, Nixdorf L, Krebs M, Langer FB, Prager G. Surg Obes Relat Dis. 2022 Feb;18(2):225-232. doi: 10.1016/j.soard.2021.10.019. Epub 2021 Oct 27. PMID: 34794865.

Obesity is associated with a higher Torque Teno viral load compared to leanness. Herz CT, Kulterer OC, Kulifaj D, Gelas F, Franzke B, Haupenthal F, Prager G, Langer FB, Marculescu R, Haug AR, Kiefer FW, Bond G. Front Endocrinol (Lausanne). 2022 Sep 28;13:962090. doi: 10.3389/fendo.2022.962090. PMID: 36246898; PMCID: PMC9554490.

Patient Selection in One Anastomosis/Mini Gastric Bypass-an Expert Modified Delphi Consensus. Kermansaravi M, Parmar C, Chiappetta S, Shahabi S, Abbass A, Abbas SI, Abouzeid M, Antozzi L, Asghar ST, Bashir A, Bhandari M, Billy H, Caina D, Campos FJ, Carbajo MA, Chevallier JM, Jazi AHD, de Gordejuela AGR, Haddad A, ElFawal MH, Himpens J, Inam A, Kassir R, Kasama K, Khan A, Kow L, Kular KS, Lakdawala M, Layani LA, Lee WJ, Luque-de-León E, Loi K, Mahawar K, Mahdy T, Musella M, Nimeri A, González JCO, Pazouki A, Poghosyan T, Prager G, Prasad A, Ramos AC, Rheinwalt K, Ribeiro R, Ruiz-Úcar E, Rutledge R, Shabbir A, Shikora S, Singhal R, Taha O, Talebpour M, Verboonen JS, Wang C, Weiner R, Yang W, Vilallonga R, De Luca M. Obes Surg. 2022 Aug;32(8):2512-2524. doi: 10.1007/s11695-022-06124-7. Epub 2022 Jun 15. PMID: 35704259.

Brown Adipose Tissue Prevalence Is Lower in Obesity but Its Metabolic Activity Is Intact. Kulterer OC, Herz CT, Prager M, Schmöltzer C, Langer FB, Prager G, Marculescu R, Kautzky-Willer A, Hacker M, Haug AR, Kiefer FW.  Front Endocrinol (Lausanne). 2022 Mar 31;13:858417. doi: 10.3389/fendo.2022.858417. PMID: 35432192; PMCID: PMC9009254.

Evaluation of a Bariatric Monitoring Pass for Primary Care Physicians. Ranzenberger-Haider T, Meyer EL, Stamm T, Dreschl B, Itariu B, Prager G, Stangl A, Kautzky-Willer A, Schindler K, Krebs M. Obes Facts. 2022;15(5):629-637. doi: 10.1159/000524584. Epub 2022 Apr 13. PMID: 35417905; PMCID: PMC9669951.

Is COVID-19 the Newest Comorbidity of Obesity Mitigated by Bariatric Surgery? Salminen P, Prager G, Schauer PR. JAMA Surg. 2022 Mar 1;157(3):230. doi: 10.1001/jamasurg.2021.6549. PMID: 34964828.

Impact of metabolic surgery on cost and long-term health outcome: a cost-effectiveness approach. Walter E, Langer FB, Beckerhinn P, Hoffer F, Prager G. Surg Obes Relat Dis. 2022 Feb;18(2):260-270. doi: 10.1016/j.soard.2021.10.012. Epub 2021 Oct 18. PMID: 34782294.

Sex-Specific Differences in Mortality of Patients with a History of Bariatric Surgery: a Nation-Wide Population-Based Study. Beiglböck H, Mörth E, Reichardt B, Stamm T, Itariu B, Harreiter J, Hufgard-Leitner M, Fellinger P, Eichelter J, Prager G, Kautzky A, Kautzky-Willer A, Wolf P, Krebs M. Obes Surg. 2022 Jan;32(1):8-17. doi: 10.1007/s11695-021-05763-6. Epub 2021 Nov 9. PMID: 34751909; PMCID: PMC8752554.

Surgical Technique of Diverted One-Anastomosis Gastric Bypass. Felsenreich DM, Langer FB, Bichler C, Eichelter J, Jedamzik J, Gachabayov M, Mairinger M, Richwien P, Prager G. Surg Technol Int. 2021 Oct 26;39:107-112. doi: 10.52198/21.STI.39.GS1485. PMID: 34699605.

Fifteen Years After Sleeve Gastrectomy: Weight Loss, Remission of Associated Medical Problems, Quality of Life, and Conversions to Roux-en-Y Gastric Bypass-Long-Term Follow-Up in a Multicenter Study. Felsenreich DM, Artemiou E, Steinlechner K, Vock N, Jedamzik J, Eichelter J, Gensthaler L, Bichler C, Sperker C, Beckerhinn P, Kristo I, Langer FB, Prager G. Obes Surg. 2021 Aug;31(8):3453-3461. doi: 10.1007/s11695-021-05475-x. Epub 2021 May 22. PMID: 34021882; PMCID: PMC8270807.

Bariatric Surgery-How Much Malabsorption Do We Need?-A Review of Various Limb Lengths in Different Gastric Bypass Procedures. Felsenreich DM, Langer FB, Eichelter J, Jedamzik J, Gensthaler L, Nixdorf L, Gachabayov M, Rojas A, Vock N, Zach ML, Prager G.  J Clin Med. 2021 Feb 10;10(4):674. doi: 10.3390/jcm10040674. PMID: 33578635; PMCID: PMC7916324.

Active Brown Adipose Tissue is Associated With a Healthier Metabolic Phenotype in Obesity. Herz CT, Kulterer OC, Prager M, Schmöltzer C, Langer FB, Prager G, Marculescu R, Kautzky-Willer A, Hacker M, Haug AR, Kiefer FW. Diabetes. 2021 Oct 18:db210475. doi: 10.2337/db21-0475. Epub ahead of print. PMID: 34957487.

Accuracy of non-invasive liver stiffness measurement and steatosis quantification in patients with severe and morbid obesity. Eilenberg M, Munda P, Stift J, Langer FB, Prager G, Trauner M, Staufer K. Hepatobiliary Surg Nutr. 2021 Oct;10(5):610-622. doi: 10.21037/hbsn-20-787. PMID: 34760965; PMCID: PMC8527403.

Defining Global Benchmarks in Elective Secondary Bariatric Surgery Comprising Conversional, Revisional, and Reversal Procedures. Gero D, Vannijvel M, Okkema S, Deleus E, Lloyd A, Lo Menzo E, Tadros G, Raguz I, San Martin A, 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. Ann Surg. 2021 Nov 1;274(5):821-828. doi: 10.1097/SLA.0000000000005117. PMID: 34334637.

Characterization of endogenous bile acid composition in individuals with cold-activated brown adipose tissue. Herz CT, Kulterer OC, Prager M, Langer FB, Prager G, Marculescu R, Fauler G, Hacker M, Kautzky-Willer A, Trauner M, Haug AR, Kiefer FW. Mol Cell Endocrinol. 2021 Oct 1;536:111403. doi: 10.1016/j.mce.2021.111403. Epub 2021 Jul 28. PMID: 34332024.

Sex differences in brown adipose tissue activity and cold-induced thermogenesis. Herz CT, Kulterer OC, Prager M, Marculescu R, Langer FB, Prager G, Kautzky-Willer A, Haug AR, Kiefer FW. Mol Cell Endocrinol. 2021 Aug 20;534:111365. doi: 10.1016/j.mce.2021.111365. Epub 2021 Jun 11. PMID: 34126190.

Reply to: Comparing performance of apneic oxygenation methods in morbidly obese patients. Hamp T, Prager G, Baron-Stefaniak J, Müller J, Bichler C, Plöchl W. Surg Obes Relat Dis. 2021 Aug;17(8):1522-1523. doi: 10.1016/j.soard.2021.05.008. Epub 2021 May 8. PMID: 34052123.

Individualized treatment options for patients with non-cirrhotic and cirrhotic liver disease. Hartl L, Elias J, Prager G, Reiberger T, Unger LW. World J Gastroenterol. 2021 May 21;27(19):2281-2298. doi: 10.3748/wjg.v27.i19.2281. PMID: 34040322; PMCID: PMC8130039.

Iron Deficiency - Not Only a Premenopausal Topic After Bariatric Surgery? Kunst I, Krebs M, Dreschl B, Prager G, Meyer E, Kautzky-Willer A, Ranzenberger-Haider T. Obes Surg. 2021 Jul;31(7):3242-3250. doi: 10.1007/s11695-021-05380-3. Epub 2021 Apr 5. PMID: 33821393; PMCID: PMC8175328.

The first modified Delphi consensus statement on sleeve gastrectomy. 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. Surg Endosc. 2021 Dec;35(12):7027-7033. doi: 10.1007/s00464-020-08216-w. Epub 2021 Jan 12. PMID: 33433676.

Duration of safe apnea in patients with morbid obesity during passive oxygenation using high-flow nasal insufflation versus regular flow nasal insufflation, a randomized trial. Hamp T, Prager G, Baron-Stefaniak J, Müller J, Bichler C, Plöchl W. Surg Obes Relat Dis. 2021 Feb;17(2):347-355. doi: 10.1016/j.soard.2020.09.027. Epub 2020 Sep 23. PMID: 33268325.

Returning to Surgery-Experience, Discussions and Consensus. Kroh M, Prager G, Rubino F, Marinari GM, Torres AJ, Somers S, Akın F, Haskins O. Obes Surg. 2021 Mar;31(3):1336-1338. doi: 10.1007/s11695-020-04989-0. Epub 2020 Sep 23. PMID: 32968966; PMCID: PMC7511034.

The First Modified Delphi Consensus Statement for Resuming Bariatric and Metabolic Surgery in the COVID-19 Times. Pouwels S, Omar I, Aggarwal S, Aminian A, Angrisani L, Balibrea JM, Bhandari M, Biter LU, Blackstone RP, Carbajo MA, Copaescu CA, Dargent J, Elfawal MH, Fobi MA, Greve JW, Hazebroek EJ, Herrera MF, Himpens JM, Hussain FA, Kassir R, Kerrigan D, Khaitan M, Kow L, Kristinsson J, Kurian M, Lutfi RE, Moore RL, Noel P, Ozmen MM, Ponce J, Prager G, Purkayastha S, Rafols JP, Ramos AC, Ribeiro RJS, Sakran N, Salminen P, Shabbir A, Shikora SA, Singhal R, Small PK, Taylor CJ, Torres AJ, Vaz C, Yashkov Y, Mahawar K. Obes Surg. 2021 Jan;31(1):451-456. doi: 10.1007/s11695-020-04883-9. Epub 2020 Aug 1. PMID: 32740826; PMCID: PMC7395568.

Surgical Technique for One-Anastomosis Gastric Bypass. Felsenreich DM, Bichler C, Langer FB, Gachabayov M, Eichelter J, Gensthaler L, Vock N, Artemiou E, Prager G. Surg Technol Int. 2020 Nov 28;37:57-61.

Course of depressive symptomatology and its association with serum uric acid in one-anastomosis gastric bypass patients. Winzer E, Ludvik B, Grabovac I, Kruschitz R, Schindler K, Prager G, Klammer C, Hoppichler F, Marculescu R, Wakolbinger M. Sci Rep. 2020 Oct 27;10(1):18405. doi: 10.1038/s41598-020-75407-9.

Effect of one-anastomosis gastric bypass on cardiovascular risk factors in patients with vitamin D deficiency and morbid obesity: A secondary analysis. Kruschitz R, Wakolbinger M, Schindler K, Prager G, Hoppichler F, Marculescu R, Ludvik B. Nutr Metab Cardiovasc Dis. 2020 Nov 27;30(12):2379-2388. doi: 10.1016/j.numecd.2020.08.011. 

Returning to Surgery-Experience, Discussions and Consensus. Kroh M, Prager G, Rubino F, Marinari GM, Torres AJ, Somers S, Akın F, Haskins O. Obes Surg. 2021 Mar;31(3):1336-1338. doi: 10.1007/s11695-020-04989-0.

Pouch volume and pouch migration after Roux-en-Y gastric bypass: a comparison of gastroscopy and 3 D-CT volumetry: is there a "migration crisis"? Arnoldner MA, Felsenreich DM, Langer FB, Weber M, Mang T, Kulinna-Cosentini C, Prager G. Surg Obes Relat Dis. 2020 Dec;16(12):1902-1908. doi: 10.1016/j.soard.2020.07.024.

Silent Gastroesophageal Reflux Disease in Patients with Morbid Obesity Prior to Primary Metabolic Surgery. Kristo I, Paireder M, Jomrich G, Felsenreich DM, Fischer M, Hennerbichler FP, Langer FB, Prager G, Schoppmann SF. Obes Surg. 2020 Dec;30(12):4885-4891. doi: 10.1007/s11695-020-04959-6.

Stapling Through a Bougie During Sleeve Gastrectomy in a Superobese Patient-a Video Vignette. Bichler C, Jedamzik J, Felsenreich DM, Langer FB, Eilenberg M, Vock N, Steinlechner K, Eichelter J, Gensthaler L, Prager G. Obes Surg. 2020 Oct;30(10):4167-4168. doi: 10.1007/s11695-020-04790-z. 

Swallow Magnetic Resonance Imaging Compared to 3D-Computed Tomography for Pouch Assessment and Hiatal Hernias After Roux-en-Y Gastric Bypass.  Felsenreich DM, Arnoldner MA, Langer FB, Bichler C, Vock N, Steinlechner K, Gachabayov M, Rojas A, Beitzke D, Mang T, Prager G, Kulinna-Cosentini C. Obes Surg. 2020 Nov;30(11):4192-4197. doi: 10.1007/s11695-020-04758-z.

Pre-operative Obesity-Associated Hyperandrogenemia in Women and Hypogonadism in Men Have No Impact on Weight Loss Following Bariatric Surgery. Beiglböck H, Fellinger P, Ranzenberger-Haider T, Itariu B, Prager G, Kautzky-Willer A, Krebs M, Wolf P. Obes Surg. 2020 Oct;30(10):3947-3954. doi: 10.1007/s11695-020-04761-4. 

Psychopharmacological Medication Has No Influence on Vitamin Status After Bariatric Surgery in Long-term Follow-up. Beiglböck H, Kautzky A, Fellinger P, Ranzenberger-Haider T, Itariu B, Wrba T, Prager G, Kautzky-Willer A, Wolf P, Krebs M. Obes Surg. 2020 Oct;30(10):3753-3760. doi: 10.1007/s11695-020-04698-8.

Sleeve Gastrectomy: Surgical Technique, Outcomes, and Complications. Felsenreich DM, Bichler C, Langer FB, Gachabayov M, Prager G. Surg Technol Int. 2020 May 28;36:63-69.

Clinical practice guidelines of the European Association for Endoscopic Surgery (EAES) on bariatric surgery: update 2020 endorsed by IFSO-EC, EASO and ESPCOP. Di Lorenzo N, Antoniou SA, Batterham RL, Busetto L, Godoroja D, Iossa A, Carrano FM, Agresta F, Alarçon I, Azran C, Bouvy N, Balaguè Ponz C, Buza M, Copaescu C, De Luca M, Dicker D, Di Vincenzo A, Felsenreich DM, Francis NK, Fried M, Gonzalo Prats B, Goitein D, Halford JCG, Herlesova J, Kalogridaki M, Ket H, Morales-Conde S, Piatto G, Prager G, Pruijssers S, Pucci A, Rayman S, Romano E, Sanchez-Cordero S, Vilallonga R, Silecchia G. Surg Endosc. 2020 Jun;34(6):2332-2358. doi: 10.1007/s00464-020-07555-y.

IFSO (International Federation for Surgery of Obesity and Metabolic Disorders) Consensus Conference Statement on One-Anastomosis Gastric Bypass (OAGB-MGB): Results of a Modified Delphi Study.  Ramos AC, Chevallier JM, Mahawar K, Brown W, Kow L, White KP, Shikora S; IFSO Consensus Conference Contributors. Obes Surg. 2020 May;30(5):1625-1634. doi: 10.1007/s11695-020-04519-y.

Reply to the Letter to the Editor Concerning Anti-reflux Mucosectomy (ARMS) in Sleeve Gastrectomy Patients with GERD and Barrett's Esophagus. Felsenreich DM, Langer FB, Prager G. Obes Surg. 2020 Jun;30(6):2417-2418. doi: 10.1007/s11695-020-04499-z.

Impact of limb length on nutritional status in one-anastomosis gastric bypass: 3-year results.  Jedamzik J, Eilenberg M, Felsenreich DM, Krebs M, Ranzenberger-Haider T, Langer FB, Prager G. Surg Obes Relat Dis. 2020 Apr;16(4):476-484. doi: 10.1016/j.soard.2019.12.012.

Plasma homocysteine after laparoscopic Roux-en-Y gastric bypass increases in the early postoperative phase but decreases in the long-term follow-up. A retrospective analysis.  Poglitsch M, Geberth A, Krebs M, Langer FB, Mittlboeck M, Prager G. Surg Obes Relat Dis. 2020 Mar;16(3):372-380. doi: 10.1016/j.soard.2019.11.021. 

Roux-en-Y Gastric Bypass as a Treatment for Barrett's Esophagus after Sleeve Gastrectomy. Felsenreich DM, Langer FB, Bichler C, Eilenberg M, Jedamzik J, Kristo I, Vock N, Gensthaler L, Rabl C, Todoroff A, Prager G. Obes Surg. 2020 Apr;30(4):1273-1279. doi: 10.1007/s11695-019-04292-7.

Evaluation and comparison of six noninvasive tests for prediction of significant or advanced fibrosis in nonalcoholic fatty liver disease. Staufer K, Halilbasic E, Spindelboeck W, Eilenberg M, Prager G, Stadlbauer V, Posch A, Munda P, Marculescu R, Obermayer-Pietsch B, Stift J, Lackner C, Trauner M, Stauber RE. United European Gastroenterol J. 2019 Oct;7(8):1113-1123. doi: 10.1177/2050640619865133.

Defining Global Benchmarks in Bariatric Surgery: A Retrospective Multicenter Analysis of Minimally Invasive Roux-en-Y Gastric Bypass and Sleeve Gastrectomy.  Gero D, Raptis DA, Vleeschouwers W, van Veldhuisen SL, Martin AS, Xiao Y, Galvao M, Giorgi M, Benois M, Espinoza F, Hollyman M, Lloyd A, Hosa H, Schmidt H, Garcia-Galocha JL, van de Vrande S, Chiappetta S, Menzo EL, Aboud CM, Lüthy SG, Orchard P, Rothe S, Prager G, Pournaras DJ, Cohen R, Rosenthal R, Weiner R, Himpens J, Torres A, Higa K, Welbourn R, Berry M, Boza C, Iannelli A, Vithiananthan S, Ramos A, Olbers T, Sepúlveda M, Hazebroek EJ, Dillemans B, Staiger RD, Puhan MA, Peterli R, Bueter M. Ann Surg. 2019 Nov;270(5):859-867. doi: 10.1097/SLA.0000000000003512.

Surgical therapy of weight regain after Roux-en-Y gastric bypass. Felsenreich DM, Langer FB, Bichler C, Kristo I, Jedamzik J, Eilenberg M, Arnoldner MA, Prager G. Surg Obes Relat Dis. 2019 Oct;15(10):1719-1728. doi: 10.1016/j.soard.2019.07.002.

Differences in Serum Magnesium Levels in Diabetic and Non-Diabetic Patients Following One-Anastomosis Gastric Bypass. Winzer E, Grabovac I, Ludvik B, Kruschitz R, Schindler K, Prager G, Klammer C, Smith L, Hoppichler F, Marculescu R, Wakolbinger M. Nutrients. 2019 Aug 22;11(9):1984. doi: 10.3390/nu11091984.

The first consensus statement on revisional bariatric surgery using a modified Delphi approach.  Mahawar KK, Himpens JM, Shikora SA, Ramos AC, Torres A, Somers S, Dillemans B, Angrisani L, Greve JWM, Chevallier JM, Chowbey P, De Luca M, Weiner R, Prager G, Vilallonga R, Adamo M, Sakran N, Kow L, Lakdawala M, Dargent J, Nimeri A, Small PK. Surg Endosc. 2020 Apr;34(4):1648-1657. doi: 10.1007/s00464-019-06937-1. 

Impact of Weight Loss Strategies on Obesity-Induced DNA Damage. Setayesh T, Mišík M, Langie SAS, Godschalk R, Waldherr M, Bauer T, Leitner S, Bichler C, Prager G, Krupitza G, Haslberger A, Knasmüller S. Mol Nutr Food Res. 2019 Sep;63(17):e1900045. doi: 10.1002/mnfr.201900045. 

Comments on the Letter to the Editor "The Gastric Migration Crisis in Obesity Surgery".  Felsenreich DM, Langer FB, Prager G. Obes Surg. 2019 Jul;29(7):2305-2306. doi: 10.1007/s11695-019-03874-9.

Quality of Life 10 Years after Sleeve Gastrectomy: A Multicenter Study.  Felsenreich DM, Prager G, Kefurt R, Eilenberg M, Jedamzik J, Beckerhinn P, Bichler C, Sperker C, Krebs M, Langer FB. Obes Facts. 2019;12(2):157-166. doi: 10.1159/000496296. Epub 2019 Mar 15.

Reply to the Letter to the Editor "Does Sleeve Gastrectomy Cause Barrett's Oesophagus?". Felsenreich DM, Langer FB, Prager G. Obes Surg. 2018 Dec;28(12):4051-4052. doi: 10.1007/s11695-018-3542-z.

Author's Reply to "Liver Dysfunction with Both Roux-en-Y and One Anastomosis Gastric Bypass Is Almost Exclusively Seen with Longer Than Standard Limb Lengths" by Kamal K. Mahawar. Staufer K, Eilenberg M, Prager G. Obes Surg. 2019 Jan;29(1):301-302. doi: 10.1007/s11695-018-3566-4.

Pregnancy after bariatric surgery: a narrative literature review and discussion of impact on pregnancy management and outcome. Falcone V, Stopp T, Feichtinger M, Kiss H, Eppel W, Husslein PW, Prager G, Göbl CS. BMC Pregnancy Childbirth. 2018 Dec 27;18(1):507. doi: 10.1186/s12884-018-2124-3.

Weight Loss and Resolution of Comorbidities After Sleeve Gastrectomy: A Review of Long-Term Results. Felsenreich DM, Langer FB, Prager G.  Scand J Surg. 2018 Sep 6:1457496918798192. doi: 10.1177/1457496918798192. 

Serum Myostatin is Upregulated in Obesity and Correlates with Insulin Resistance in Humans.Amor M, Itariu BK, Moreno-Viedma V, Keindl M, Jürets A, Prager G, Langer F, Grablowitz V, Zeyda M, Stulnig TM. Exp Clin Endocrinol Diabetes. 2018 Aug 3. doi: 10.1055/a-0641-5546.

Update: 10 Years of Sleeve Gastrectomy-the First 103 Patients.Felsenreich DM, Ladinig LM, Beckerhinn P, Sperker C, Schwameis K, Krebs M, Jedamzik J, Eilenberg M, Bichler C, Prager G, Langer FB.  Obes Surg. 2018 Jul 25. doi: 10.1007/s11695-018-3399-1. 

Significant Liver-Related Morbidity After Bariatric Surgery and Its Reversal-a Case Series.Eilenberg M, Langer FB, Beer A, Trauner M, Prager G, Staufer K.  Obes Surg. 2018 Mar;28(3):812-819. doi: 10.1007/s11695-017-2925-x.

Management of Pregnant Women after Bariatric Surgery.Harreiter J, Schindler K, Bancher-Todesca D, Göbl C, Langer F, Prager G, Gessl A, Leutner M, Ludvik B, Luger A, Kautzky-Willer A, Krebs M.  J Obes. 2018J un 3;2018:4587064. doi: 10.1155/2018/4587064. 

Changes in Bone Mineral Density Following Weight Loss Induced by One-Anastomosis Gastric Bypass in Patients with Vitamin D Supplementation. Luger M, Kruschitz R, Winzer E, Schindler K, Grabovac I, Kainberger F, Krebs M, Hoppichler F, Langer F, Prager G, Marculescu R, Ludvik B. Obes Surg. 2018 Jul 2. doi: 10.1007/s11695-018-3353-2.

Modern Esophageal Function Testing and Gastroesophageal Reflux Disease in Morbidly Obese Patients. Kristo I, Paireder M, Jomrich G, Felsenreich DM, Nikolic M, Langer FB, Prager G, Schoppmann SF. Obes Surg. 2019 Nov;29(11):3536-3541. doi: 10.1007/s11695-019-04020-1.