Heparin therapy reduces 28-day mortality in adult severe sepsis patients: a systematic review and meta-analysis |
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| Authors: | Changsong Wang Chunjie Chi Lei Guo Xiaoyang Wang Libo Guo Jiaxiao Sun Bo Sun Shanshan Liu Xuenan Chang Enyou Li |
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| Institution: | .Department of Anesthesiology, First Affiliated Hospital of Harbin Medical University, No 23 Youzheng Street, Nangang District, Harbin, Heilongjiang 150001 China ;.Department of Anesthesiology, First Affiliated Hospital of Quan Zhou, No. 151 Yanjiang West Road, Yuexiu, Quan Zhou, Guangdong China ;.Department of Anesthesiology, Tianjin Huanhu Hospital, No. 122 Qixiangtai Road, Hexi, Tian Jin 300060 China |
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| Abstract: | IntroductionThere are approximately 19 million new cases of sepsis worldwide each year. Among them, more than one quarter of patients die. We aimed to assess the effects of heparin on short-term mortality in adult patients with sepsis and severe sepsis.MethodsWe searched electronic databases (Medline, Embase, and Cochrane Library databases; the Cochrane Controlled Trials Register) and conference proceedings (Web of Knowledge (Conference Proceedings Citation Index - Science, Conference Proceedings Citation Index - Social Sciences & Humanities)) from inception to July 2014, expert contacts and relevant websites. Controlled trials of heparin versus placebo in sepsis or severe sepsis were identified. In total two reviewers independently assessed eligibility, and four authors independently extracted data; consensus was reached by conference. We used the chi-square test and I2 to assess statistical heterogeneity (P <0.05). The primary analysis was based on the fixed-effect model to produce pooled odds ratios with 95% confidence intervals.ResultsA total of nine publications were included in the meta-analysis. Heparin decreased 28-day mortality (n = 3,482, OR = 0.656, 95% CI = 0.562 to 0.765, P <0.0001). According to the meta-analysis of 28-day mortality, heterogeneity was not found among the eight randomized clinical trials (RCTs) (I2 = 0.0%). Heparin had no effect on bleeding events in sepsis (seven RCTs, n = 2,726; OR = 1.063; 95% CI = 0.834 to 1.355; P = 0.623; and I2 = 20.9%). Subgroup analysis demonstrated that the sample size may be a source of heterogeneity, but experimental design was not.ConclusionsHeparin may reduce 28-day mortality in patients with severe sepsis, at the same time, there was no increase in the risk of bleeding in the heparin group. We recommend the use of heparin for sepsis and severe sepsis.Electronic supplementary materialThe online version of this article (doi:10.1186/s13054-014-0563-4) contains supplementary material, which is available to authorized users. |
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