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Updated: May 5, 2026

Minimally Invasive Endoscopic Intracerebral Hemorrhage Evacuation
Published on: October 15, 2021
Eighteen-Year Trends in Subarachnoid Hemorrhage Management and Outcomes: A Single-Center Experience
Marie Renaudier1, Vincent Degos2,3,4,5, Gianluca Pisanu2
1Department of Anaesthesia and Critical Care, Pitié-Salpêtrière Hospital, Paris, France. renaudier.marie@gmail.com.
Background:
Although subarachnoid hemorrhage-related mortality has decreased in recent years due to improvements in treatment, data on the evolution of 1-year functional outcomes after subarachnoid hemorrhage are lacking. The objective of this study was to evaluate the evolution of patient management and their functional outcomes 1 year after subarachnoid hemorrhage over time in a single high-volume neurosurgical intensive care unit.
Methods:
In this observational retrospective study, all consecutive patients with aneurysmal subarachnoid hemorrhage admitted to our neurosurgical intensive care unit between 2002 and 2019 were included. A poor functional outcome was defined as a modified Rankin Scale score of 4-6. Linear regressions were performed, and relative risk reductions of a poor functional outcome were calculated.
Results:
Between 2002 and 2019, 1556 patients were included, of whom 329 (21%) had a poor functional outcome. Over time, the percentage of coiling procedures (p = 0.004) increased, and the percentage of delayed cerebral ischemia (p = 0.03) decreased. One-year mortality decreased over time (p < 0.001), whereas 1-year functional outcome improved (p = 0.002), with a relative risk reduction of poor functional outcomes of 38% (17-54%).
Conclusions:
The 1-year functional outcome of patients with subarachnoid hemorrhage improved between 2002 and 2019, and mortality decreased.
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