期刊
BMC NEUROLOGY
卷 21, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12883-021-02353-y
关键词
Stroke; Outcomes; Risk factors; Stroke classification; Elderly; Thailand
This study retrospectively analyzed acute ischemic stroke and transient ischemic attack patients over 45 years old admitted to the Stroke unit between November 1, 2016 and December 31, 2017. Patients aged 75 or older accounted for 34.3%, with cardioembolism being the most common cause of stroke associated with poor outcomes. Older patients had significantly worse outcomes and higher mortality rates compared to younger patients, with risk factors such as atrial fibrillation and higher NIHSS scores.
Background Nowadays, the number of elderly has steadily increased annually. Elderly patients with ischemic stroke often have worse outcomes than younger patients. However, there has not been a study of ischemic stroke in the elderly in Thailand. A better knowledge of the risk factors, subtypes, and outcomes of strokes in the elderly may have significant practical implications for the aged society in the future. The objective of the study was to assess the risk factor, stroke subtypes, and outcome of stroke in the elderly compared to the younger patients. Method All patients presented with acute ischemic stroke and transient ischemic attack (TIA) aged over 45 years who were admitted in the Stroke unit between November 1st, 2016 and December 31st, 2017 were retrospectively studied. Result Five hundred forty-two patients were included. The average age was 68.78 +/- 12.03, 44.8% of them were male. 186 (34.3%) patients were 75 or older. Cardioembolism was found to be the most common cause of ischemic stroke in 156 patients (28.8%) and was associated with poor outcome. Patients who were 75 or older had significantly worse outcomes in all categories including NIHSS at discharge, modified Rankin scale, length of stay and the number of deaths compared to the younger group. Atrial fibrillation was the risk factors associated with older age with OR 3.861 (p value< 0.001). Aged 75 years or older, atrial fibrillation, more NIHSS score on admission and history of the previous stroke were the risk factors associated with a patient's death. Conclusion The elderly who are 75 years or older accounts for more than one-third of ischemic stroke in our study. Stroke in the elderly correlates with higher mortality and poorer outcome. Cardioembolism related to atrial fibrillation is the major cause of stroke in this population.
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