Risk Factors and Clinical Characteristics of Cerebellar Infarctions

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Objective: Cerebellar infarcts are seen in 1.5-4.2% of brain infarcts and 47% of the posterior circulation infarcts. In this study, we aimed to investigate the clinical course and prognosis of infarcts in the territory of superior cerebellar artery (SCA), posterior inferior cerebellar artery (PICA) and anterior inferior cerebellar artery (AICA). Material and Methods: We analysed the records of patients with stroke treated in Haseki Educational and Research Hospital between 2007-2011. 106 patients with cerebellar infarcts in the territory of AICA, SCA and PCA were included the study. We evaluated the complaints, neurological findings, history and etiological examinations. Results: In this study, 45.3% of the patients were female, 54.7% of them were male. Mean age of the patients was 62.64±12.82. Of all patients, in 50% PICA, in 46.2% SCA, in 3.8% AICA infarcts were found. Most frequent findings were; ataxia in AICA, ataxia and dysmetria- dysdiadakokinesia in SCA, dysartria, ataxia and dysmetria- dysdiadakokinesia in PICA. Most frequent risk factor was hypertension. Fatal infarcts were seen in SCA territory. Patients who could sustain life as an independent group were more frequently observed in PICA. Conclusion: Etiologic and prognostic factors may vary between cerebellar infarcts according to the affected arteries.

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Cerebellar infarction , distribution , etiology , prognosis

Kocatepe Medical Journal

139

Kocatepe Medical Journal