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Journal Article
Meta-Analysis
Review
Systematic Review
Diagnostic value of serum procalcitonin in solid organ transplant recipients: a systematic review and meta-analysis.
Transplantation Proceedings 2014 January
PURPOSE: To perform a systematic review and meta-analysis to define the role of procalcitonin (PCT) in identifying infectious complication in organ transplant recipients.
METHODS: We searched EMBASE, MEDLINE, the Cochrane database, and reference lists of relevant articles, with no language restrictions, published from inception through May 2013. We selected original research that reported the diagnostic performance of PCT alone or when compared with other biomarkers to diagnose infectious complication among organ transplant recipients. We summarized test performance characteristics with the use of forest plots, hierarchical summary receiver operating characteristic curves, and bivariate random-effects models.
RESULTS: We found 7 qualifying studies (studying 1226 episodes of suspected infection with 186 confirmed infectious episodes) from 4 countries. The patients were lung, kidney, liver, and heart transplant recipients. Bivariate pooled sensitivity, specificity, positive likelihood ratios, and negative likelihood ratios for identification of bacterial infections in patients after transplantation were 85% (95% confidence interval [CI], 75%-92%), 81% (95% CI, 72%-88%), 4.41 (95% CI, 2.86-6.81), and 0.18 (95% CI, 0.10-0.33), respectively. Of the 4 studies that reported the experience of liver transplant patients, the pooled sensitivity, specificity, positive likelihood ratios, and negative likelihood ratios were 90% (95% CI, 75%-97%), 85% (95% CI, 77%-91%), 6.12 (95% CI, 3.79-9.88), and 0.11 (95% CI, 0.04-0.32), respectively. There was no evidence of significant heterogeneity.
CONCLUSION: The existing literature suggests reasonable sensitivity and specificity for the PCT test in identifying infection complications among patients undergoing solid organ transplantation. Given the imperfect sensitivity and specificity of the PCT test, medical decisions should be based on both PCT test results and clinical findings.
METHODS: We searched EMBASE, MEDLINE, the Cochrane database, and reference lists of relevant articles, with no language restrictions, published from inception through May 2013. We selected original research that reported the diagnostic performance of PCT alone or when compared with other biomarkers to diagnose infectious complication among organ transplant recipients. We summarized test performance characteristics with the use of forest plots, hierarchical summary receiver operating characteristic curves, and bivariate random-effects models.
RESULTS: We found 7 qualifying studies (studying 1226 episodes of suspected infection with 186 confirmed infectious episodes) from 4 countries. The patients were lung, kidney, liver, and heart transplant recipients. Bivariate pooled sensitivity, specificity, positive likelihood ratios, and negative likelihood ratios for identification of bacterial infections in patients after transplantation were 85% (95% confidence interval [CI], 75%-92%), 81% (95% CI, 72%-88%), 4.41 (95% CI, 2.86-6.81), and 0.18 (95% CI, 0.10-0.33), respectively. Of the 4 studies that reported the experience of liver transplant patients, the pooled sensitivity, specificity, positive likelihood ratios, and negative likelihood ratios were 90% (95% CI, 75%-97%), 85% (95% CI, 77%-91%), 6.12 (95% CI, 3.79-9.88), and 0.11 (95% CI, 0.04-0.32), respectively. There was no evidence of significant heterogeneity.
CONCLUSION: The existing literature suggests reasonable sensitivity and specificity for the PCT test in identifying infection complications among patients undergoing solid organ transplantation. Given the imperfect sensitivity and specificity of the PCT test, medical decisions should be based on both PCT test results and clinical findings.
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