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Predicting postoperative ischemic stroke problems in patients following coronary bypass surgery using

Derya Tatlisuluoglu1, Büşra Tezcan2, İbrahim Mungan3

  • 1Department of Intensive Care Unit, Istanbul Cam and Sakura Education and Research City Hospital, Istanbul, Turkey.

Kardiochirurgia I Torakochirurgia Polska = Polish Journal of Cardio-Thoracic Surgery
|July 27, 2022
PubMed

Insights

High preoperative platelet-lymphocyte ratio (PLR), neutrophil-lymphocyte ratio (NLR), and red blood cell distribution width (RDW) predict ischemic stroke after coronary artery bypass grafting (CABG). These simple blood tests can identify patients at higher risk for stroke post-surgery.

Area of Science:

  • Cardiovascular Surgery
  • Neurology
  • Hematology

Background:

  • Coronary artery bypass grafting (CABG) is vital for treating ischemic heart disease.
  • Stroke is a serious, albeit rare, complication following CABG procedures.

Purpose of the Study:

  • To investigate the association between preoperative complete blood count (CBC) parameters, specifically platelet-lymphocyte ratio (PLR), neutrophil-lymphocyte ratio (NLR), and red blood cell distribution width (RDW), and the occurrence of postoperative ischemic stroke in CABG patients.

Main Methods:

  • A retrospective observational study included 1240 patients who underwent CABG.
  • Preoperative CBC data were collected the day before surgery.
  • Ischemic stroke diagnosis was confirmed postoperatively through neurological consultation and imaging.

Main Results:

  • Ischemic stroke occurred in 40 patients.
  • Stroke patients were older and had lower hemoglobin and lymphocyte counts.
  • Higher preoperative PLR, NLR, and RDW values were significantly associated with increased stroke risk (p < 0.001).
  • Age, operation time, PLR, NLR, and RDW were identified as independent risk factors for postoperative ischemic stroke.

Conclusions:

  • Elevated preoperative PLR, NLR, and RDW are significant independent predictors of postoperative ischemic stroke in patients undergoing CABG.
  • These CBC parameters offer a valuable tool for risk stratification and prediction of stroke in the post-CABG setting.
Abstract

Keywords:
coronary artery bypass graftingischemic strokeneutrophil-lymphocyte ratioplatelet-lymphocyte ratiored blood cell distribution width

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