Abstract
Purpose
There has been much recent interest in the use of procalcitonin (PCT) as a marker of intra-abdominal infection (IAI) following colorectal surgery. However, the literature remains divided on the value of PCT in this setting. This meta-analysis aims to evaluate the value of PCT in predicting IAI after colorectal surgery.
Methods
Systemic literature search was performed using MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials (CENTRAL) and the Cochrane Database of Systematic Reviews to identify studies evaluating the diagnostic accuracy of PCT as a predictor for detecting IAI on postoperative days (POD) 3 to 5 following colorectal surgery. A meta-analysis was performed using random effect model and pooled predictive parameters as well as cut-off values for POD 3 to 5 were derived.
Results
Eight studies consisting 1629 patients were included. The pooled prevalence of IAI was 5.7% on POD 3, 9.7% on POD 4, and 6.3% on POD 5. The pooled AUC for POD 3 to 5 were 0.83 (95% CI 0.78–0.88), 0.79 (95% CI 0.64–0.93), and 0.94 (95% CI 0.91–0.97), respectively. The derived PCT cut-off values were 1.45 ng/ml on POD 3, 1.28 ng/ml on POD 4, and 1.26 ng/ml on POD 5. PCT had the highest diagnostic capability on POD 5 with diagnostic odds ratio of 32.9 (95% CI 15.01–69.88), sensitivity of 0.78 (95% CI 0.65–0.89), and specificity of 0.88 (95% CI 0.85–0.90).
Conclusions
PCT is a useful diagnostic predictor of IAI after colorectal surgery. It has the greatest diagnostic accuracy on POD 5 and can help guide safe discharge of patients after colorectal surgery.
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This paper was presented as an oral presentation in the Association of Surgeons of Great Britain and Ireland 2017 Surgical Congress.
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Tan, W.J., Ng, W.Q., Sultana, R. et al. Systematic review and meta-analysis of the use of serum procalcitonin levels to predict intra-abdominal infections after colorectal surgery. Int J Colorectal Dis 33, 171–180 (2018). https://doi.org/10.1007/s00384-017-2956-8
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DOI: https://doi.org/10.1007/s00384-017-2956-8