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BMC Cardiovascular Disorders
Published in: BMC Cardiovascular Disorders 1/2017

Open Access 01-12-2017 | Research article

Short- and long-term outcomes in infective endocarditis patients: a systematic review and meta-analysis

Authors: Tadesse Melaku Abegaz, Akshaya Srikanth Bhagavathula, Eyob Alemayehu Gebreyohannes, Alemayehu B. Mekonnen, Tamrat Befekadu Abebe

Published in: BMC Cardiovascular Disorders | Issue 1/2017

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Abstract

Background

Despite advances in medical knowledge, technology and antimicrobial therapy, infective endocarditis (IE) is still associated with devastating outcomes. No reviews have yet assessed the outcomes of IE patients undergoing short- and long-term outcome evaluation, such as all-cause mortality and IE-related complications. We conducted a systematic review and meta-analysis to examine the short- and long-term mortality, as well as IE-related complications in patients with definite IE.

Methods

A computerized systematic literature search was carried out in PubMed, Scopus and Google Scholar from 2000 to August, 2016. Included studies were published studies in English that assessed short-and long-term mortality for adult IE patients. Pooled estimations with 95% confidence interval (CI) were calculated with DerSimonian-Laird (DL) random-effects model. Sensitivity and subgroup analyses were also performed. Publication bias was evaluated using inspection of funnel plots and statistical tests.

Results

Twenty five observational studies (retrospective, 14; prospective, 11) including 22,382 patients were identified. The overall pooled mortality estimates for IE patients who underwent short- and long-term follow-up were 20% (95% CI: 18.0–23.0, P < 0.01) and 37% (95% CI: 27.0–48.0, P < 0.01), respectively. The pooled prevalence of cardiac complications in patients with IE was found to be 39% (95%CI: 32.0–46.0) while septic embolism and renal complications accounted for 25% (95% CI: 20.0–31) and 19% (95% CI: 14.0–25.0) (all P < 0.01), respectively.

Conclusion

Irrespective of the follow-up period, a significantly higher mortality rate was reported in IE patients, and the burden of IE-related complications were immense. Further research is needed to assess the determinants of overall mortality in IE patients, as well as well-designed observational studies to conform our results.
Appendix
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Metadata
Title
Short- and long-term outcomes in infective endocarditis patients: a systematic review and meta-analysis
Authors
Tadesse Melaku Abegaz
Akshaya Srikanth Bhagavathula
Eyob Alemayehu Gebreyohannes
Alemayehu B. Mekonnen
Tamrat Befekadu Abebe
Publication date
01-12-2017
Publisher
BioMed Central
Published in
BMC Cardiovascular Disorders / Issue 1/2017
Electronic ISSN: 1471-2261
DOI
https://doi.org/10.1186/s12872-017-0729-5

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