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Incremental Prognostic Value of Platelet Count in Patients With Acute Heart Failure - A Retrospective Observational Study.
Circ J. 2018 Dec 29;:
Authors: Yamaguchi S, Abe M, Arakaki T, Arasaki O, Shimabukuro M
Abstract
BACKGROUND: Acute heart failure (AHF) triggers platelet aggregation and platelet markers are associated with the severity of AHF. The present study aimed to investigate the prognostic value of platelet count (PLT) in patients with AHF. Methods and Results: This single-center retrospective observational study analyzed 425 consecutive patients with AHF. The patients were divided into groups based on tertiles of PLT: low (PLT1 <170,000/μL), intermediate (170,000/μL≤PLT<230,000/μL), and high (PLT3 ≥230,000/μL). The endpoint was all-cause death with a composite endpoint of all-cause death and HF rehospitalization. Survival analysis was performed, and Cox proportional hazard models adjusted by an established risk score (Get With The Guidelines score) were generated. The PLT1 group had the worst survival for all-cause death (log-rank, P=0.003) and the composite endpoint (P=0.009). A significant trend of increasing survival was observed for all-cause death (log-rank trend, P<0.001) and the composite endpoint (P=0.002) in the following order: PLT1, PLT2, and PLT3. Adjusted Cox proportional hazard models demonstrated that low PLT was a risk factor of all-cause death and the composite endpoint.
CONCLUSIONS: Low PLT was associated with risk for all-cause death and HF rehospitalization in patients with AHF.
PMID: 30606941 [PubMed - as supplied by publisher]