Document Detail


Diagnostic accuracy of pulmonary embolism rule-out criteria: a systematic review and meta-analysis.
MedLine Citation:
PMID:  22177109     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
STUDY OBJECTIVE: To perform a systematic review and meta-analysis to define the diagnostic performance of pulmonary embolism rule-out criteria (PERC) in deferring the need for D-dimer testing to rule out pulmonary embolism in the emergency department (ED).
METHODS: We searched EMBASE, MEDLINE, Scopus, Web of Knowledge, and all the evidence-based medicine reviews that included the Cochrane Database of Systematic Reviews through August 14, 2011, and hand searched references in potentially eligible articles and conference proceedings of major emergency medicine organizations for the previous 2 years. We selected studies that reported diagnostic performance of PERC, reported original research, and were conducted in the ED, with no language restrictions. Two investigators independently identified eligible studies and extracted data. We used contingency tables to calculate sensitivity, specificity, and likelihood ratios.
RESULTS: We found 12 qualifying cohorts (studying 13,885 patients with 1,391 pulmonary embolism diagnoses), 10 prospective and 2 retrospective, from 6 countries. Pooled sensitivity, specificity, positive likelihood ratios, and negative likelihood ratios for 10 included studies were 0.97 (95% confidence interval [CI] 0.96 to 0.98), 0.23 (95% CI 0.22 to 0.24), 1.24 (95% CI 1.18 to 1.30), and 0.17 (95% CI 0.13 to 0.23), respectively. Significant heterogeneity was observed in specificity (I(2)=97.2%) and positive likelihood ratio (I(2)=84.2%).
CONCLUSION: The existing literature suggests consistently high sensitivity and low but acceptable specificity of the PERC to rule out pulmonary embolism in patients with low pretest probability.
Authors:
Balwinder Singh; Ajay K Parsaik; Dipti Agarwal; Alok Surana; Soniya S Mascarenhas; Subhash Chandra
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Publication Detail:
Type:  Journal Article; Meta-Analysis; Review     Date:  2011-12-15
Journal Detail:
Title:  Annals of emergency medicine     Volume:  59     ISSN:  1097-6760     ISO Abbreviation:  Ann Emerg Med     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-05-25     Completed Date:  2012-08-09     Revised Date:  2013-09-12    
Medline Journal Info:
Nlm Unique ID:  8002646     Medline TA:  Ann Emerg Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  517-20.e1-4     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2011. Published by Mosby, Inc.
Affiliation:
Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA.
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MeSH Terms
Descriptor/Qualifier:
Decision Support Techniques
Emergency Service, Hospital
Humans
Likelihood Functions
Pulmonary Embolism / diagnosis*
Sensitivity and Specificity
Comments/Corrections
Comment In:
Ann Emerg Med. 2012 Jul;60(1):129-31   [PMID:  22720850 ]
Ann Emerg Med. 2012 Jun;59(6):524-6   [PMID:  22245176 ]
Ann Emerg Med. 2013 Aug;62(2):197   [PMID:  23870742 ]
Ann Emerg Med. 2013 Aug;62(2):197-8   [PMID:  23870743 ]
Ann Emerg Med. 2012 Dec;60(6):803-14   [PMID:  23178020 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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