Abstract
Introduction
C-reactive protein may predict anastomotic complications after colorectal surgery, but its predictive ability may differ between laparoscopic and open resection due to differences in stress response. Therefore, the objective of this study was to perform a systematic review and meta-analysis on the diagnostic characteristics of C-reactive protein to detect anastomotic leaks and infectious complications after laparoscopic and open colorectal surgery.
Methods
A systematic review was performed according to PRISMA. Studies were included if they reported on the diagnostic characteristics of postoperative day 3–5 values of serum C-reactive protein to diagnose anastomotic leak or infectious complications specifically in patients undergoing elective laparoscopic and open colorectal surgery. The main outcome was a composite of anastomotic leak and infectious complications. A random-effects model was used to perform a meta-analysis of diagnostic accuracy.
Results
A total of 13 studies were included (9 for laparoscopic surgery, 8 for open surgery). The pooled incidence of the composite outcome was 14.8% (95% CI 10.2–19.3) in laparoscopic studies and 21.0% (95% CI 11.9–30.0) for open. The pooled diagnostic accuracy characteristics were similar for open and laparoscopic studies. However, the C-reactive protein threshold cutoffs were lower in laparoscopic studies for postoperative days 3 and 4, but similar on day 5.
Conclusions
The diagnostic characteristics of C-reactive protein in the early postoperative period to detect infectious complications and leaks are similar after laparoscopic and open colorectal surgery. However, thresholds are lower for laparoscopic surgery, suggesting that the interpretation of serum CRP values needs to be tailored based on operative approach.
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Conception or design: JF, GMF, LSF, LL
Data acquisition, analysis, or interpretation of data: TP, AZ, MT, JF, GMF, LSF, LL
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LL is the recipient of an investigator-initiated grant from Johnson & Johnson. JF has received investigator-initiated grants from Merck and personal fees for consulting from Shionogi. LSF receives consulting fees from Merck and Abbott. TP, AZ, MT, and GMF have no conflicts of interests to disclose.
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Paradis, T., Zorigtbaatar, A., Trepanier, M. et al. Meta-analysis of the Diagnostic Accuracy of C-Reactive Protein for Infectious Complications in Laparoscopic Versus Open Colorectal Surgery. J Gastrointest Surg 24, 1392–1401 (2020). https://doi.org/10.1007/s11605-020-04599-2
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DOI: https://doi.org/10.1007/s11605-020-04599-2