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November 9, 2004Cerebrovascular Diseases

The 6-month and 2-year case fatality rates in surgically treated patients decreased significantly (period A, 12% and 20%; period B, 2% and 8%, respectively), whereas they were virtually unchanged for overall management (period A, 41% and 46%; period B, 38% and 42%, respectively).

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Why the study?

Did surgical and overall management outcomes for aneurysmal subarachnoid hemorrhage improve between 1980-1989 and 1990-1998?

Population

358 patients with aneurysmal subarachnoid hemorrhage (SAH) treated in Izumo City, Japan

Comparison

Treatment during the 9-year period 1990-1998 vs Treatment during the 10-year period 1980-1989

Design

Cohort

Follow-up

6 months and 2 years

Authors

TITetsuji Inagawa

Discussion

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Member takes

Overview

Improved surgical outcomes in aneurysmal subarachnoid hemorrhage have not improved overall management; leaves open whether rising patient risk offsets population gains.

Structured PICO

Did surgical and overall management outcomes for aneurysmal subarachnoid hemorrhage improve between 1980-1989 and 1990-1998?

P
Population
358 patients with aneurysmal subarachnoid hemorrhage (SAH) treated in Izumo City, Japan
I
Intervention
Treatment during the 9-year period 1990-1998 (period B; n=188)
C
Comparator
Treatment during the 10-year period 1980-1989 (period A; n=170)
O
Outcome
6-month and 2-year case fatality rates, functional outcome, and incidence of permanent symptomatic vasospasmhard clinical

While surgical case fatality rates for aneurysmal subarachnoid hemorrhage decreased over time, overall management outcomes remained unchanged due to an increasing proportion of elderly and high-risk patients.

Cite This Study

Tetsuji Inagawa (2004) studied this question.

synapsesocial.com/papers/6a1e845a0a6b1b87af954443https://doi.org/10.1159/000081910
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