The impact of platelet-to-lymphocyte ratio on clinical outcomes in heart failure: a systematic review and meta-analysis

Autor: Mehrbod Vakhshoori, Niloofar Bondariyan, Sadeq Sabouhi, Keivan Kiani, Nazanin Alaei Faradonbeh, Sayed Ali Emami, Mehrnaz Shakarami, Farbod Khanizadeh, Shahin Sanaei, Niloofaralsadat Motamedi, Davood Shafie
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Therapeutic Advances in Cardiovascular Disease, Vol 18 (2024)
Druh dokumentu: article
ISSN: 1753-9455
17539447
DOI: 10.1177/17539447241227287
Popis: Background: Inflammation has been suggested to play a role in heart failure (HF) pathogenesis. However, the role of platelet-to-lymphocyte ratio (PLR), as a novel biomarker, to assess HF prognosis needs to be investigated. We sought to evaluate the impact of PLR on HF clinical outcomes. Methods: English-published records in PubMed/Medline, Scopus, and Web-of-science databases were screened until December 2023. Relevant articles evaluated PLR with clinical outcomes (including mortality, rehospitalization, HF worsening, and HF detection) were recruited, with PLR difference analysis based on death/survival status in total and HF with reduced ejection fraction (HFrEF) patients. Results: In total, 21 articles ( n = 13,924) were selected. The total mean age was 70.36 ± 12.88 years (males: 61.72%). Mean PLR was 165.54 [95% confidence interval (CI): 154.69–176.38]. In total, 18 articles ( n = 10,084) reported mortality [either follow-up (PLR: 162.55, 95% CI: 149.35–175.75) or in-hospital (PLR: 192.83, 95% CI: 150.06–235.61) death rate] and the mean PLR was 166.68 (95% CI: 154.87–178.50). Further analysis revealed PLR was significantly lower in survived HF patients rather than deceased group (152.34, 95% CI: 134.01–170.68 versus 194.73, 95% CI: 175.60–213.85, standard mean difference: −0.592, 95% CI: −0.857 to −0.326, p
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