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Abstract - Original Article

J Cerebrovasc Endovasc Neurosurg. 2022 24(3): 221-231
The Journal of Cerebrovascular and Endovascular Neurosurgery
      
 
Prognostic significance of platelet-to-lymphocyte and platelet-to-neutrophil ratios in patients with mechanical thrombectomy for acute ischemic stroke
Seon-yeop Kim1, Ho Jun Yi1,2, Dong-Seong Shin1, Bum-Tae Kim1
1Department of Neurosurgery, Soonchunhyang University Bucheon Hospital, Bucheon, Korea 2Department of Neurosurgery, St. Vincents Hospital, the Catholic University of Korea, Seoul, Korea

Objective: The present study aimed to analyze the correlation between platelet-to-lymphocyte ratio (PLR) and platelet-to-neutrophil ratio (PNR) with prognosis of patients who underwent mechanical thrombectomy (MT). Methods: A total of 432 patients was included, PLR and PNR were calculated from laboratory data on admission. Prognosis was evaluated with a modified Rankin Scale at 3 months after MT. Using receiver operating characteristic (ROC) analysis, optimal cutoff values of PLR and PNR were identified to predict the prognosis after MT. Multivariate analyses were performed to identify the relationship of PLR and PLR with prognosis of MT. Results: Patients with favorable outcomes had a lower mean PLR (135.0, standard deviation [SD] 120.3) with a higher mean PNR (47.1 [SD] 24.6) compared with patients with unfavorable outcomes (167.6 [SD] 139.3 and 35.4 [SD] 22.4) (p<0.001 and <0.001, respectively). In ROC analyses, the optimal cutoff value of PLR and PNR to predict the 3 months prognosis were 145 and 41, respectively (p=<0.001 and p=0.006). In multivariate analysis, PLR less than 145 (odds ratio [OR] 1.29, 95% confidence interval [CI] 1.06–2.06; p=0.016) and PNR greater than 41 (OR 1.22, 95% CI 1.10–1.62; p=0.022) were predictors of favorable outcome at 3 months. Conclusions: In patients with MT, PLR and PNR on admission could be predictive factors of prognosis and mortality at 3 months. Decreased PLR and increased PNR were associated with favorable clinical outcome 3 months after MT.
 
Key words : Leukocytes, Lymphocytes, Neutrophils, Platelets, Thrombectomy
 
 
    
 
 
 

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