• Nobutake Sadamasa, Kazumichi Yoshida, Osamu Narumi, Masaki Chin, and Sen Yamagata.
• Department of Neurosurgery, Kurashiki Central Hospital, Okayama, Japan.
• Brain Nerve. 2011 Sep 1;63(9):995-9.

AbstractThere is a lack of evidence to compare in-hospital mortality with different types of stroke. The purpose of this study was to elucidate the in-hospital mortality after acute ischemic/hemorrhagic stroke and compare the factors associated with the mortality among stroke subtypes. All patients admitted to Kurashiki Central Hospital in Japan between January 2009 and December 2009, and diagnosed with acute ischemic/hemorrhagic stroke were included in this study. Demographics and clinical data pertaining to the patients were obtained from their medical records. Out of 738 patients who had an acute stroke, 53 (7.2%) died in the hospital. The in-hospital mortality was significantly lower in the cerebral infarction group than in the intracerebral hemorrhage and subarachnoid hemorrhage group (3.5%, 15.1%, and 17.9%, respectively; P<0.0001). Age was significantly lower in the subarachnoid hemorrhage group than in the other 2 groups. With regard to past history, diabetes mellitus was significantly found to be a complication in mortality cases of intracranial hemorrhage. Further investigation is needed to clarify the effect of diabetes on mortality after intracranial hemorrhage.

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