Why the study?
The review was conducted to evaluate evidence regarding the association of the platelet to lymphocyte ratio with cardiovascular disease and its potential use as a prognostic marker.
Does the platelet to lymphocyte ratio predict mortality and major adverse cardiac events in patients with cardiovascular diseases?
Does the platelet to lymphocyte ratio predict mortality and major adverse cardiac events in patients with cardiovascular diseases?
The platelet to lymphocyte ratio (PLR) is a readily available systemic inflammatory marker that may predict mortality and major adverse cardiac events in patients with cardiovascular disease.
High PLR predicts mortality and MACE in CVD; supports its role as an accessible prognostic marker but leaves integration into risk models open.
The platelet to lymphocyte ratio (PLR) is an integrated reflection of 2 opposite thrombotic/inflammatory pathways that are easily calculated from a complete blood count. The PLR initially served as a systemic inflammatory biomarker to predict the prognosis of neoplastic diseases. In recent years, the PLR has been used as a prognostic marker in cardiovascular (CV) conditions. In this review, we consider the evidence regarding the association of the PLR with CV disease (CVD) and its possible use as a prognostic marker of CVD. The role of PLR has been investigated in CV conditions in several studies. We assessed clinical trials using PubMed, EMBASE, and Web of Science (up to April 18, 2018) to evaluate the association between PLR and mortality/major adverse cardiac events in these conditions. Most of these studies reported significant relationships between a high PLR and diverse outcomes. In conclusion, we suggest that PLR is a cheap and easily available systemic inflammatory marker that can predict distinct outcomes in different types of CVD.
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Kurtul et al. (2019) studied this question.
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