Kliniken &… Kliniken Chirurgie Studienzentrum der… Leistungsspektrum Publikationen

Systematische Übersichtsarbeiten

Studienzentrum der Deutschen Gesellschaft für Chirurgie (SDGC)

Harnoss JC, Halm D, Weber S, Kinny-Köster B, Heckler M, Klotz R, Kalkum E, Harnoss JM, Musa J, Probst P, Michalski CW, Loos M, Hank T.
A New Gold Standard? Impact of Broad-spectrum Penicillin-based Antibiotic Prophylaxis on Outcome After Pancreatoduodenectomy - Results of a Systematic Review and Meta-analysis (PROSPERO CRD42024559197). 
Ann Surg. 2025 Mar 21. PMID: 40115985.

Walber JK, Antony P, Strothmann H, Kalkum E, Renzulli P, Hauswirth F, Probst P, Muller MK.
Effect of artificial or autologous coverage of the pancreatic remnant or anastomosis on postoperative pancreatic fistulas after partial pancreatectomy: meta-analysis of randomized clinical trials. 
BJS Open. 2024 May 8;8(3):zrae059. PMID: 38814751.

Schiefer S, Crnovrsanin N, Kalkum E, Vey JA, Nienhüser H, Rompen IF, Haag GM, Müller-Stich B, Billmann F, Schmidt T, Probst P, Klotz R, Sisic L. 
Is neoadjuvant chemotherapy followed by surgery the appropriate treatment for esophagogastric signet ring cell carcinomas? A systematic review and meta-analysis. 
Front Surg. 2024 May 6;11:1382039. PMID: 38770165.

Fellhofer-Hofer J, Franz C, Vey JA, Kahlert C, Kalkum E, Mehrabi A, Halama N, Probst P, Klupp F.
Chemokines as Prognostic Factor in Colorectal Cancer Patients: A Systematic Review and Meta-Analysis. 
Int J Mol Sci. 2024 May 15;25(10):5374. PMID: 38791414.

Schenker A, Gutjahr E, Lehner B, Mechtersheimer G, Wardelmann E, Klotz R, Kalkum E, Schiltenwolf M, Harhaus L, Renkawitz T, Panzram B.
A Systematic Review and Illustrative Case Presentation of Low-Grade Myofibroblastic Sarcoma (LGMS) of the Extremities.
J Clin Med. 2023 Nov 10;12(22):7027. PMID: 38002641

Pfister M, Probst P, Müller PC, Antony P, Klotz R, Kalkum E, Merz D, Renzulli P, Hauswirth F, Muller MK.
Minimally invasive versus open pancreatic surgery: meta-analysis of randomized clinical trials. 
BJS Open. 2023 Mar 7;7(2):zrad007. PMID: 36967469 

Hatzl J, Böckler D, Fiering J, Zimmermann S, Sebastian Bischoff M, Kalkum E, Klotz R, Uhl C.
Systematic Review on Abdominal Penetrating Atherosclerotic Aortic Ulcers: Outcomes of Endovascular Repair. 
J Endovasc Ther. 2024 Dec;31(6):1027-1040. Epub 2023 Mar 4. PMID: 36869667.

Probst P, Merz DC, Joos MC, Ahmed A, Feisst M, Klotz R.
The EVIglance randomized clinical trial: a new standard for answering a clinical question. 
Br J Surg. 2023 Mar 30;110(4):515-517. PMID: 36869829.

Rompen IF, Merz DC, Alhalabi KT, Klotz R, Kalkum E, Pausch TM, Strothmann H, Probst P.
Perioperative Drug Treatment in Pancreatic Surgery-A Systematic Review and Meta-Analysis. 
J Clin Med. 2023 Feb 22;12(5):1750.

Wei K, Klotz R, Kalkum E, Holze M, Probst P, Hackert T.
Safety and efficacy of TRIANGLE operation applied in pancreatic surgery: a protocol of the systematic review and meta-analysis. 
BMJ Open. 2022 Sep 6;12(9):e059977. PMID: 36691122. 

Hipp J, Hillebrecht HC, Kalkum E, Klotz R, Kuvendjiska J, Martini V, Fichtner-Feigl S, Diener MK.
Systematic review and meta-analysis comparing proximal gastrectomy with double-tract-reconstruction and total gastrectomy in gastric and gastroesophageal junction cancer patients: Still no sufficient evidence for clinical decision-making. 
Surgery. 2023 Apr;173(4):957-967. Epub 2022 Dec 19.

Mihaljevic AL, Doerr-Harim C, Kalkum E, Strunk G.
Measuring patient centeredness with German language Patient-Reported Experience Measures (PREM)-A systematic review and qualitative analysis according to COSMIN. 
PLoS One. 2022 Nov 29;17(11):e0264045. PMID: 36445889.

Billeter AT, Reiners B, Seide SE, Probst P, Kalkum E, Rupp C, Müller-Stich BP.
Comparative effectiveness of medical treatment vs. metabolic surgery for histologically proven non-alcoholic steatohepatitis and fibrosis: a matched network meta-analysis. 
Hepatobiliary Surg Nutr. 2022 Oct;11(5):696-708. PMID: 36268239.

Pianka F, Werba A, Klotz R, Schuh F, Kalkum E, Probst P, Ramouz A, Khajeh E, Büchler MW, Harnoss JC.
The effect of prophylactic mesh implantation on the development of incisional hernias in patients with elevated BMI: a systematic review and meta-analysis. 
Hernia. 2023 Apr;27(2):225-234. Epub 2022 Sep 14. 

Skrypnik D, Kalmykov E, Bischoff MS, Meisenbacher K, Klotz R, Hagedorn M, Kalkum E, Probst P, Dammrau R, Böckler D. 
Late Endograft Migration After Thoracic Endovascular Aortic Repair: A Systematic Review and Meta-analysis.
J Endovasc Ther. 2022 Jul 12:15266028221109455. PMID: 35822261.

Leonhardt CS, Niesen W, Kalkum E, Klotz R, Hank T, Büchler MW, Strobel O, Probst P.
Prognostic relevance of the revised R status definition in pancreatic cancer: meta-analysis. 
BJS Open. 2022 Mar 8;6(2):zrac010. PMID: 35301513. 

Schiefer S, Wirsik NM, Kalkum E, Seide SE, Nienhüser H, Müller B, Billeter A, Büchler MW, Schmidt T, Probst P.
Systematic Review of Prognostic Role of Blood Cell Ratios in Patients with Gastric Cancer Undergoing Surgery. 
Diagnostics (Basel). 2022 Feb 25;12(3):593. PMID: 35328146. Review. 

Wagner M, Probst P, Haselbeck-Koebler M, Brandenburg JM, Kalkum E, Störzinger D, Kessler J, Simon JJ, Friederich HC, Angelescu M, Billeter AT, Hackert T, Müller-Stich BP, Büchler MW. 
The Problem of Appetite Loss After Major Abdominal Surgery: A Systematic Review.
Ann Surg. 2022 Jan 27.

Murtha-Lemekhova A, Fuchs J, Feiler S, Schulz E, Teroerde M, Kalkum E, Klotz R, Billeter A, Probst P, Hoffmann K.
Is metabolic syndrome a risk factor in hepatectomy? A meta-analysis with subgroup analysis for histologically confirmed hepatic manifestations. 
BMC Med. 2022 Jan 28;20(1):47. PMID: 35101037

Wortmann M, Klotz R, Kalkum E, Dihlmann S, Böckler D, Peters AS.
Inflammasome Targeted Therapy as Novel Treatment Option for Aortic Aneurysms and Dissections: A Systematic Review of the Preclinical Evidence. 
Front Cardiovasc Med. 2022 Jan 20;8:805150. eCollection 2021. PMID: 35127865.

Probst P, Hüttner FJ, Meydan Ö, Abu Hilal M, Adham M, Barreto SG, Besselink MG, Busch OR, Bockhorn M, Del Chiaro M, Conlon K, Castillo CF, Friess H, Fusai GK, Gianotti L, Hackert T, Halloran C, Izbicki J, Kalkum E, Kelemen D, Kenngott HG, Kretschmer R, Landré V, Lillemoe KD, Miao Y, Marchegiani G, Mihaljevic A, Radenkovich D, Salvia R, Sandini M, Serrablo A, Shrikhande S, Shukla PJ, Siriwardena AK, Strobel O, Uzunoglu FG, Vollmer C, Weitz J, Wolfgang CL, Zerbi A, Bassi C, Dervenis C, Neoptolemos J, Büchler MW, Diener MK.
Evidence Map of Pancreatic Surgery-A living systematic review with meta-analyses by the International Study Group of Pancreatic Surgery (ISGPS). 
Surgery. 2021 Jun 26:S0039-6060(21)00382-2.

Lozanovski VJ, Probst P, Arefidoust A, Ramouz A, Aminizadeh E, Nikdad M, Khajeh E, Ghamarnejad O, Shafiei S, Ali-Hasan-Al-Saegh S, Seide SE, Kalkum E, Nickkholgh A, Czigany Z, Lurje G, Mieth M, Mehrabi A. 
Prognostic role of the Donor Risk Index, the Eurotransplant Donor Risk Index and the Balance of Risk score on graft loss after liver transplantation. Review.
Transpl Int. 2021 Mar 16. doi: 10.1111/tri.13861. Online ahead of print.

Klaiber U, Probst P, Hackbusch M, Jensen K, Dörr-Harim C, Hüttner FJ, Hackert T, Diener MK, Büchler MW, Knebel P. 
Meta-analysis of primary open versus closed cannulation strategy for totally implantable venous access port implantation.
Langenbecks Arch Surg. 2021 Jan 9. doi: 10.1007/s00423-020-02057-w. Online ahead of print. Langenbecks Arch Surg. 2021. PMID: 33420832

Haney CM, Kowalewski KF, Schmidt MW, Koschny R, Felinska EA, Kalkum E, Probst P, Diener MK, Müller-Stich BP, Hackert T, Nickel F.
Endoscopic versus surgical treatment for infected necrotizing pancreatitis: a systematic review and meta-analysis of randomized controlled trials.
Surg Endosc. 2020 Jun;34(6):2429-2444. Epub 2020 Feb 28.

Schimmack S, Kaiser J, Probst P, Kalkum E, Diener MK, Strobel O.
Meta-analysis of α-blockade versus no blockade before adrenalectomy for phaeochromocytoma.
Br J Surg. 2020 Jan;107(2):e102-e108.

Probst P, Hüttner FJ, Meydan Ö, Kalkum E, Kretschmer R, Jensen K, Kenngott HG, Mihaljevic AL, Thilo H, Büchler MW, Diener MK.
Evidence map of pancreatic surgery: protocol for a living systematic review and meta-analysis.
BMJ Open. 2019 Sep 30;9(9):e032353. 

Forster T, Huettner FJ, Springfeld C, Loehr M, Kalkum E, Hackbusch M, Hackert T, Diener MK, Probst P.
Cetuximab in Pancreatic Cancer Therapy: A Systematic Review and Meta-Analysis.
Oncology. 2019 Oct 2:1-8. 

Hüttner FJ, Probst P, Kalkum E, Hackbusch M, Jensen K, Ulrich A, Debus J, Jäger D, Diener MK.
Addition of platinum derivatives to fluoropyrimidine-based neoadjuvant chemoradiotherapy for stage II/III rectal cancer: systematic review and meta-analysis.
J Natl Cancer Inst. 2019 May 11. pii: djz081. 

Nickel F, Haney CM, Kowalewski KF, Probst P, Limen EF, Kalkum E, Diener MK, Strobel O, Müller-Stich BP, Hackert T.
Laparoscopic Versus Open Pancreaticoduodenectomy: A Systematic Review and Meta-analysis of Randomized Controlled Trials.
Ann Surg. 2019 Apr 8. 

Heger P, Blank S, Gooßen K, Nienhüser H, Diener MK, Ulrich A, Mihaljevic AL, Schmidt T.
Thoracoabdominal versus transhiatal surgical approaches for adenocarcinoma of the esophagogastric junction-a systematic review and meta-analysis.
Langenbecks Arch Surg. 2019 Jan 3.

Klotz R, Probst P, Deininger M, Klaiber U, Grummich K, Diener MK, Weigand MA, Büchler MW, Knebel P.
Percutaneous versus surgical strategy for tracheostomy: a systematic review and meta-analysis of perioperative and postoperative complications.
Langenbecks Arch Surg. 2018 Mar;403(2):137-149. Epub 2017 Dec 27.

Polychronidis G, Hüttner FJ, Contin P, Goossen K, Uhlmann L, Heidmann M, Knebel P, Diener MK, Büchler MW, Probst P.
Network meta-analysis of topical haemostatic agents in thyroid surgery.
Br J Surg. 2018 Sep 10.

Billeter AT, Scheurlen KM, Probst P, Eichel S, Nickel F, Kopf S, Fischer L, Diener MK, Nawroth PP, Müller-Stich BP.
Meta-analysis of metabolic surgery versus medical treatment for microvascular complications in patients with type 2 diabetes mellitus.
Br J Surg. 2018 Feb;105(3):168-181. Review.

Hüttner FJ, Probst P, Kalkum E, Hackbusch M, Jensen K, Ulrich A, Büchler MW, Diener MK.
Addition of platinum derivatives to neoadjuvant single-agent fluoropyrimidine chemoradiotherapy in patients with stage II/III rectal cancer: protocol for a systematic review and meta-analysis (PROSPERO CRD42017073064).
Syst Rev. 2018 Jan 22;7(1):11.

Goossen K, Tenckhoff S, Probst P, Grummich K, Mihaljevic AL, Büchler MW, Diener MK.Optimal literature search for systematic reviews in surgery. Langenbecks Arch Surg. 2017 Dec 5.

Heger P, Probst P, Hüttner FJ, Gooßen K, Proctor T, Müller-Stich BP, Strobel O, Büchler MW, Diener MK.
Evaluation of Open and Minimally Invasive Adrenalectomy: A Systematic Review and Network Meta-analysis.
World J Surg. 2017 Jun 20.

Wurster EF, Tenckhoff S, Probst P, Jensen K, Dölger E, Knebel P, Diener MK, Büchler MW, Ulrich.
A systematic review and meta-analysis of the utility of repeated versus single hepatic resection for colorectal cancer liver metastases.
HPB (Oxford). 2017 Jun;19(6):491-497. Epub 2017 Mar 25.

Harnoss JC, Zelienka I, Probst P, Grummich K, Müller-Lantzsch C, Harnoss JM, Ulrich A, Büchler MW, Diener MK.
Antibiotics Versus Surgical Therapy for Uncomplicated Appendicitis: Systematic Review and Meta-analysis of Controlled Trials (PROSPERO 2015: CRD42015016882).
Ann Surg. 2017 May;265(5):889-900.

Hüttner FJ, Probst P, Knebel P, Strobel O, Hackert T, Ulrich A, Büchler MW, Diener MK.
Meta-analysis of prophylactic abdominal drainage in pancreatic surgery.
Br J Surg. 2017 May;104(6):660-668. Epub 2017 Mar 20. Review.

Heger P, Blank S, Diener MK , Ulrich A, Schmidt T, Büchler MW, Mihaljevic AL.
Gastric Preconditioning in Advance of Esophageal Resection-Systematic Review and Meta-Analysis.
J Gastrointest Surg. 2017, Apr 24.

Demirel S, Goossen K, Bruijnen H, Probst P, Böckler D.
Systematic review and meta-analysis of postcarotid endarterectomy hypertension after eversion versus conventional carotid endarterectomy.
J Vasc Surg. 2017 Mar;65(3):868-882.

Pianka F, Probst P, Keller AV, Saure D, Grummich K, Büchler MW, Diener MK.
Prophylactic mesh placement for the PREvention of paraSTOmal hernias: The PRESTO systematic review and meta-Analysis.
PLOS ONE February 9, 2017.

Hafezi M, Mayschak B, Probst P, Büchler MW, Hackert T, Mehrabi A.
A systematic review and quantitative analysis of different therapies for pancreas divisum.
Am J Surg. 2017 Jan 3. Review.

Hüttner FJ, Klotz R, Ulrich A, Büchler MW, Diener MK.
Antecolic versus retrocolic reconstruction after partial pancreaticoduodenectomy.
Cochrane Database Syst Rev. 2016 Sep 30;9:CD011862.

Heger P, Pianka F, Diener MK, Mihaljevic AL.
[Current standards of abdominal wall closure techniques: Conventional suture techniques].
Chirurg. 2016 Sep;87(9):737-743.

Probst P, Knebel P, Grummich K, Tenckhoff S, Ulrich A, Büchler MW, Diener MK.
Industry Bias in Randomized Controlled Trials in General and Abdominal Surgery: An Empirical Study.
Ann Surg. 2016 Jul;264(1):87-92.

Probst P, Grummich K, Klaiber U, Knebel P, Ulrich A, Büchler MW, Diener MK.
Conflicts of interest in randomised controlled surgical trials: systematic review and qualitative and quantitative Analysis.
Innovative Surgical Sciences. Band 1, Heft 1, Seiten 33–39, ISSN (Online) 2364-7485, Apr 2016.  

Hüttner FJ, Mihaljevic AL, Hackert T, Ulrich A, Büchler MW, Diener MK.
Effectiveness of Tachosil® in the prevention of postoperative pancreatic fistula after distal pancreatectomy: a systematic review and meta-analysis.
Langenbecks Arch Surg. 2016 Mar;401(2):151-9. Epub 2016 Feb 20. Review.

Kössler-Ebs JB, Grummich K, Jensen K, Hüttner FJ, Müller-Stich B, Seiler CM, Knebel P, Büchler MW, Diener MK.
Incisional Hernia Rates After Laparoscopic or Open Abdominal Surgery-A Systematic Review and Meta-Analysis.
World J Surg. 2016 May 4.

Probst P, Grummich K, Harnoss JC, Hüttner FJ, Jensen K, Braun S, Kieser M, Ulrich A, Büchler MW, Diener MK.
Placebo-Controlled Trials in Surgery: A Systematic Review and Meta-Analysis.
Medicine (Baltimore). 2016 Apr;95(17):e3516.

Probst P, Hüttner FJ, Klaiber U, Knebel P, Ulrich A, Büchler MW, Diener MK.
Stapler versus scalpel resection followed by hand-sewn closure of the pancreaticremnant for distal pancreatectomy.
Cochrane Database Syst Rev. 2015 Nov 6;11:CD008688.

Probst P, Knebel P, Grummich K, Tenckhoff S, Ulrich A, Büchler MW, Diener MK.
Industry Bias in Randomized Controlled Trials in General and Abdominal Surgery: An Empirical Study.
Ann Surg. 2015 Oct 10.

Klotz R, Klaiber U, Grummich K, Probst P, Diener MK, Büchler MW, Knebel P.
Percutaneous versus surgical strategy for tracheostomy: protocol for a systematic review and meta-analysis of perioperative and postoperative complications.
Syst Rev. 2015 Aug 8;4:105.

Hüttner FJ, Koessler-Ebs J, Hackert T, Ulrich A, Büchler MW, Diener MK.
Meta-analysis of surgical outcome after enucleation versus standard resection for pancreatic neoplasms.
Br J Surg. 2015 Aug;102(9):1026-36. Epub 2015 Jun 4. Review.

Hüttner FJ, Tenckhoff S, Jensen K, Uhlmann L, Kulu Y, Büchler MW, Diener MK, Ulrich A.
Meta-analysis of reconstruction techniques after low anterior resection for rectal cancer.
Br J Surg. 2015 Jun;102(7):735-45. Epub 2015 Mar 31.

Klaiber U, Grummich K, Jensen K, Saure D, Contin P, Hüttner FJ, Diener MK, Knebel P.
Closed cannulation of subclavian vein vs open cut-down of cephalic vein for totally implantable venous access port (TIVAP) implantation: protocol for a systematic review and proportional meta-analysis of perioperative and postoperative complications.
Syst Rev. 2015 Apr 22;4(1):53.

Klaiber U, Probst P, Knebel P, Contin P, Diener MK, Büchler MW, Hackert T.
Meta-analysis of complication rates for single-loop versus dual-loop (Roux-en-Y) with isolated pancreaticojejunostomy reconstruction after pancreaticoduodenectomy.
Br J Surg. 2015 Mar;102(4):331-40. Epub 2015 Jan 29. Review.

Mihaljevic AL, Müller TC, Kehl V, Friess H, Kleeff J.
Wound edge protectors in open abdominal surgery to reduce surgical site infections: a systematic review and meta-analysis.
PLoS One. 2015 Mar 27;10(3).

Löffler T, Rossion I, Gooßen K, Saure D, Weitz J, Ulrich A, Büchler MW, Diener MK.
Hand suture versus stapler for closure of loop ileostomy--a systematic review and meta-analysis of randomized controlled trials.
Langenbecks Arch Surg. 2015 Feb;400(2):193-205.

Mehrabi A, Hafezi M, Arvin J, Esmaeilzadeh M, Garoussi C, Emami G, Kössler-Ebs J, Müller-Stich BP, Büchler MW, Hackert T, Diener MK.
A systematic review and meta-analysis of laparoscopic versus open distal pancreatectomy for benign and malignant lesions of the pancreas: It's time to randomize.
Surgery. 2015 Jan;157(1):45-55.

Probst P, Grummich K, Ulrich A, Büchler MW, Knebel P, Diener MK.
Association of industry sponsorship and positive outcome in randomised controlled trials in general and abdominal surgery: protocol for a systematic review and empirical study
Syst Rev. 2014 Nov 27;3:138.

Diener MK, Fitzmaurice C, Schwarzer G, Seiler CM, Hüttner FJ, Antes G, Knaebel HP, Büchler MW.
Pylorus-preserving pancreaticoduodenectomy (pp Whipple) versus pancreaticoduodenectomy (classic Whipple) for surgical treatment of periampullary and pancreatic carcinoma
Cochrane Database Syst Rev. 2014 Nov 11;11:CD006053.

Harnoss JC, Ulrich AB, Harnoss JM, Diener MK, Büchler MW, Welsch T.
Use and results of consensus definitions in pancreatic surgery: a systematic review.
Surgery. 2014 Jan;155(1):47-57.

Contin P, Gooßen K, Grummich K, Jensen K, Schmitz-Winnenthal H, Büchler MW, Diener MK.
ENERgized vessel sealing systems versus CONventional hemostasis techniques in thyroid surgery--the ENERCON systematic review and network meta-analysis.
Langenbecks Arch Surg. 2013 Dec;398(8):1039-56.

Diener MK, Fitzmaurice C, Schwarzer G, Seiler CM, Antes G, Knaebel HP, Büchler MW.
Pylorus-preserving pancreaticoduodenectomy (pp Whipple) versus pancreaticoduodenectomy (classic Whipple) for surgical treatment of periampullary nd pancreatic carcinoma.
Cochrane Database Syst Rev. 2011 May 11;(5):CD006053.

Schädel-Höpfner M, Diener MK, Eisenschenk A, Lögters T, Windolf J.
Prioritisation of Topics for Systematic Reviews in Hand Surgery.
Handchir Mikrochir Plast Chir. 2011 Feb;43(1):15-9.

Diener MK, Mehr KT, Wente MN, Kieser M, Büchler MW, Seiler CM.
Risk-benefit assessment of closed intra-abdominal drains after pancreatic surgery: a systematic review and meta-analysis assessing the current state of evidence.
Langenbecks Arch Surg. 2011 Jan;396(1):41-52.

Rahbari NN, Aigner M, Thorlund K, Mollberg N, Motschall E, Jensen K, Diener MK, Büchler MW, Koch M, Weitz J.
Meta-analysis shows that detection of circulating tumor cells indicates poor prognosis in patients with colorectal cancer.
Gastroenterology. 2010 May;138(5):1714-26. Epub 2010 Jan 25.

Fitzmaurice C, Seiler CM, Büchler MW, Diener MK.
Survival, mortality and quality of life after pylorus-preserving or classical Whipple operation. A systematic review with meta-analysis.
Chirurg. 2010 May;81(5):454-71. Review. German.

Diener MK, Voss S, Jensen K, Büchler MW, Seiler CM.
Elective midline laparotomy closure: the INLINE systematic review and meta-analysis.
Ann Surg. 2010 May;251(5):843-56.

Diener MK, Wolff RF, von Elm E, Rahbari NN, Mavergames C, Knaebel HP, Seiler CM, AntesG.
Can decision making in general surgery be based on evidence? An empirical study of Cochrane Reviews.
Surgery. 2009 Sep;146(3):444-61.

Diener MK, Rahbari NN, Fischer L, Antes G, Müchler MW, Seiler CM.
Duodenum-preserving pancreatic head resection versus pancreatoduodenectomy for surgical treatment of chronic pancreatitis: a systematic review and meta-analysis.
Ann Surg. 2008 Jun,247(6):950-61.

Diener MK, Seiler CM, Antes G.
Systematic reviews and meta-analyses in surgery.
Chirurg. 2007 Oct;78(10):938-44. German.

Diener MK, Knaebel HP, Heukaufer C, Antes G, Büchler MW, Seiler CM.
A systematic review and meta-analysis of pylorus-preserving versus classical pancreaticoduodenectomy for surgical treatment of periampullary and pancreatic carcinoma.
Ann Surg. 2007 Feb, 245(2): 187-200.

Diener MK, Motschall E, Blümle A, Antes G.
Die Cochrane Library - ein wichtiges Instrument für den Wissenstransfer.
CHAZ. 2006;7. Jahrgang (3. Heft):129-132.

Knaebel HP, Diener MK, Wente MN, Büchler MW, Seiler CM.
Technical Aspects of Distal Pancreatectomy – Systematic Review and Meta-analysis.
Br J Surg. 2005 May;92(5):539-46. Review

Sauerland S, Seiler CM.
Role of Systematic Reviews and Meta-analysis in Evidence-based Medicine.
World J Surg. 2005 May;29(5):582-7.