Observational studyNarra J2025
Neutrophil-to-lymphocyte ratio and stenosis severity in ischemic stroke: Digital subtraction angiography evaluation and implications for inflammation-based risk stratification in the Indonesian population.
Observational study in Narra J, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Neutrophil-to-lymphocyte ratio (NLR), an accessible biomarker derived from routine blood counts, has been associated with stroke severity and outcomes. However, its association with angiographically confirmed stenosis has not been fully established. The aim of this study was to investigate the correlation and association between the NLR and the severity of intracranial arterial stenosis assessed by digital subtraction angiography (DSA). An observational analytic study with a cross-sectional design was conducted. Patients with acute ischemic stroke who underwent DSA were included using a total sampling method. Eligible patients were aged >18 years, had ischemic stroke onset <14 days, and had no prior thrombolysis, endovascular treatment, or surgery for cerebral stenosis. Those with infection, hematological disorders, malignancy, or immunosuppression were excluded. NLR was calculated from complete blood count results at admission, while stenosis severity was quantified using the Warfarin-Aspirin Symptomatic Intracranial Disease (WASID) method. A total of 44 ischemic stroke patients who underwent DSA were included. Pearson correlation test revealed a strong positive correlation between NLR and the severity of intracranial arterial stenosis (
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