• Wolfram Scharbrodt, Marco Stein, Vanessa Schreiber, Dieter-Karsten Böker, and Matthias F Oertel.
• Department of Neurosurgery, University Hospital Giessen, Klinikstrasse 29, Giessen 35385, Germany.
• J Clin Neurosci. 2009 Nov 1; 16 (11): 1409-13.

AbstractThe Glasgow Outcome Scale (GOS) score is widely used to assess outcome after a subarachnoid hemorrhage (SAH). Patients who have recovered fully or with a mild disability (GOS scores 4 and 5) frequently complain about difficulties in conducting their daily activities. The Short Form-36 (SF-36) Health Survey is a questionnaire that assesses outcomes in multiple categories. This study was conducted to compare the quality of outcome assessment between the SF-36 Health Survey and GOS scores. A total of 128 patients with SAH (all data expressed as mean+/-standard deviation) aged 53.1+/-12.1 years, and a mean Hunt and Hess grade on admission of 2+/-1, were retrospectively included in the study. Medical charts were reviewed to assess previous medical history, location of the aneurysm and the presence of vasospasm. The SF-36 and GOS scores were collected in structured interviews approximately 5 years (+/-2 years) after the SAH. The SF-36 data were compared to a historical healthy control cohort of 2,474 individuals. The results showed that 52% of patients experienced a favourable outcome after SAH (GOS scores 4 and 5). Vasospasm was recorded in 25% of patients. However, the average SF-36 results were lower in all tested categories for patients after SAH than the healthy normal controls. None of the SF-36 categories except physical function correlated significantly with the GOS score. Aneurysm location did not have an impact on SF-36 data. Patients after a SAH assessed as GOS score 5 are significantly impaired in social functioning and general health. We conclude that patients continue to suffer neuropsychological deficits years after a SAH. The GOS score is a rough outcome measure that primarily focuses on physical functioning. SF-36 is a useful tool to include in the neuropsychological outcome assessment of patients with SAH.

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