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Pre- and postconditioning the heart with hydrogen sulfide (H2S) against ischemia/reperfusion injury in vivo: a systematic review and meta-analysis

Karwi, Qutuba G., Bice, Justin S. and Baxter, Gary F. 2018. Pre- and postconditioning the heart with hydrogen sulfide (H2S) against ischemia/reperfusion injury in vivo: a systematic review and meta-analysis. Basic Research in Cardiology 113 (1) , 6. 10.1007/s00395-017-0664-8

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Abstract

Conditioning-like infarct limitation by enhanced level of hydrogen sulfide (H2S) has been demonstrated in many animal models of myocardial ischemia/reperfusion injury (MIRI) in vivo. We sought to evaluate the effect of H2S on myocardial infarction across in vivo pre-clinical studies of MIRI using a comprehensive systematic review followed by meta-analysis. Embase, Pubmed and Web of Science were searched for pre-clinical investigation of the effect of H2S on MIRI in vivo. Retained records (6031) were subjected to our pre-defined inclusion criteria then were objectively critiqued. Thirty-two reports were considered eligible to be included in this study and were grouped, based on the time of H2S application, into preconditioning and postconditioning groups. Data were pooled using random effect meta-analysis. We also investigated the possible impact of different experimental variables and the risk of bias on the observed effect size. Preconditioning with H2S (n = 23) caused a significant infarct limitation of − 20.25% (95% CI − 25.02, − 15.47). Similarly, postconditioning with H2S (n = 40) also limited infarct size by − 21.61% (95% CI − 24.17, − 19.05). This cardioprotection was also robust and consistent following sensitivity analyses where none of the pre-defined experimental variables had a significant effect on the observed infarct limitation. H2S shows a significant infarct limitation across in vivo pre-clinical studies of MIRI which include data from 825 animals. This infarct-sparing effect is robust and consistent when H2S is applied before ischemia or at reperfusion, independently on animal size or sulfide source. Validating this infarct limitation using large animals from standard medical therapy background and with co-morbidities should be the way forward.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Pharmacy
Publisher: Springer Verlag
ISSN: 0300-8428
Date of First Compliant Deposit: 15 December 2017
Date of Acceptance: 8 December 2017
Last Modified: 28 Jul 2019 21:26
URI: http://orca.cf.ac.uk/id/eprint/107605

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