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Correlation of the degree of carotid stenosis and area of cerebral infarct in ischaemic stroke patients

Context: To evaluate the degree of internal carotid artery stenosis in acute cerebral infarcts and to correlate it with the area of infarct. Aims: A) To calculate the area of acute cerebral infarct by manual tracing and the degree of internal carotid artery stenosis using NASCET score. B) To calculate the ASPECT score of the cerebral infarct. C) To correlate degree of internal carotid artery stenosis, the area of infarct and ASPECT score. Settings and Design: Hospital based retrospective study. Methods and Material: A retrospective study from January 2018 to January 2020 was conducted on 51 patients with acute ischemic infarct involving the internal carotid artery territory (ICA) due to stenosis of the intra or extracranial ICA. In this study we correlated the infarct area as measured by diffusion weighted magnetic resonance (DWI MRI), Alberta Stroke Program Early CT Score (ASPECTS) and degree of carotid stenosis on MR angiography and carotid doppler using North American Symptomatic Carotid Endarterectomy Trial (NASCET) score. Statistical analysis used: Mc Nemar test was used to correlate ICA stenosis by NASCET score with the area of infarct. Pearson’s correlation was used to correlate ASPECT score and infarct volume.