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Comparison of the acute-phase response after laparoscopic versus open aortobifemoral bypass surgery: a substudy of a randomized controlled trial

Authors Krog AH, Sahba M, Pettersen EM, Sandven I, Thorsby PM, Jørgensen JJ, Sundhagen JO, Kazmi S

Received 14 April 2016

Accepted for publication 6 July 2016

Published 26 September 2016 Volume 2016:12 Pages 371—378

DOI https://doi.org/10.2147/VHRM.S110600

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 2

Editor who approved publication: Professor Daniel Duprez


Anne H Krog,1,2 Mehdi Sahba,3 Erik M Pettersen,4 Irene Sandven,5 Per M Thorsby,1,6 Jørgen J Jørgensen,1,2 Jon O Sundhagen,2 Syed SS Kazmi2

1Institute of Clinical Medicine, University of Oslo, 2Department of Vascular Surgery, Division of Cardiovascular and Pulmonary Diseases, Oslo University Hospital, Oslo, 3Department of Vascular Surgery, Østfold Central Hospital, Fredrikstad, 4Department of Vascular Surgery, Sørlandet Hospital HF, Kristiansand, 5Oslo Center for Biostatistics and Epidemiology (OCBE), 6Hormone Laboratory, Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway

Purpose: Minimally invasive surgical techniques have been shown to reduce the inflammatory response related to a surgical procedure. The main objective of our study was to measure the inflammatory response in patients undergoing a totally laparoscopic versus open aortobifemoral bypass surgery. This is the first randomized trial on subjects in this population.
Patients and methods: This is a substudy of a larger randomized controlled multicenter trial (Norwegian Laparoscopic Aortic Surgery Trial). Thirty consecutive patients with severe aortoiliac occlusive disease eligible for aortobifemoral bypass surgery were randomized to either a totally laparoscopic (n=14) or an open surgical procedure (n=16). The inflammatory response was measured by perioperative monitoring of serum interleukin-6 (IL-6), IL-8, and C-reactive protein (CRP) at six different time points.
Results: The inflammatory reaction caused by the laparoscopic procedure was reduced compared with open surgery. IL-6 was significantly lower after the laparoscopic procedure, measured by comparing area under the curve (AUC), and after adjusting for the confounding effect of coronary heart disease (P=0.010). The differences in serum levels of IL-8 and CRP did not reach statistical significance.
Conclusion: In this substudy of a randomized controlled trial comparing laparoscopic and open aortobifemoral bypass surgeries, we found a decreased perioperative inflammatory response after the laparoscopic procedure measured by comparing AUC for serum IL-6.

Keywords: inflammation, vascular, laparoscopy, surgery, interleukin, C-reactive protein

Erratum for this paper has been published

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