Statins improve the long-term prognosis in patients who have survived sepsis: A nationwide cohort study in Taiwan (STROBE complaint).

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Statins improve the long-term prognosis in patients who have survived sepsis: A nationwide cohort study in Taiwan (STROBE complaint).

Medicine (Baltimore). 2019 Apr;98(17):e15253

Authors: Hu SY, Hsieh MS, Lin TC, Liao SH, Hsieh VC, Chiang JH, Chang YZ

Most patients diagnosed with sepsis died during their first episode, with the long-term survival rate upon post-sepsis discharge being low. Major adverse cardiovascular events and recurrent infections were regarded as the major causes of death. No definite medications had proven to be effective in improving the long-term prognosis. We aimed to examine the benefits of statins on the long-term prognosis of patients who had survived sepsis.Between 1999 and 2013, a total of 220,082 patients who had been hospitalized due to the first episode of sepsis were included, with 134,448 (61.09%) of them surviving to discharge. The surviving patients who were subsequently prescribed statins at a concentration of more than 30 cumulative Defined Daily Doses (cDDDs) during post-sepsis discharge were defined as the users of statin.After a propensity score matching ratio of 1:5, a total of 7356 and 36,780 surviving patients were retrieved for the study (statin users) and comparison cohort (nonstatin users), respectively. The main outcome was to determine the long-term survival rate during post-sepsis discharge.HR with 95% CI was calculated using the Cox regression model to evaluate the effectiveness of statins, with further stratification analyses according to cDDDs.The users of statins had an adjusted HR of 0.29 (95% CI, 0.27-0.31) in their long-term mortality rate when compared with the comparison cohort. For the users of statins with cDDDs of 30-180, 180-365, and >365, the adjusted HRs were 0.32, 0.22, and 0.16, respectively, (95% CI, 0.30-0.34, 0.19-0.26, and 0.12-0.23, respectively), as compared with the nonstatins users (defined as the use of statins <30 cDDDs during post-sepsis discharge), with the P for trend <.0001. In the sensitivity analysis, after excluding the surviving patients who had died between 3 and 6 months after post-sepsis discharge, the adjusted HR for the users of statins remained significant (0.35, 95% CI 0.32-0.37 and 0.42, 95% CI 0.39-0.45, respectively).Statins may have the potential to decrease the long-term mortality of patients who have survived sepsis. However, more evidence, including clinical and laboratory data, is necessary in order to confirm the results of this observational cohort study.Trial registration: CMUH104-REC2-115.

PMID: 31027074 [PubMed - in process]

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