Abstract
Background
Ruptured middle cerebral artery aneurysm (MCAa) can lead to intracerebral hematoma, and surgical evacuation can be performed in these cases. MCAa can be treated by clipping or before by endovascular therapy (EVT). Our objective was to compare the impact on the functional outcome of MCAa in patients with intracerebral hematoma requiring evacuation.
Methods
This is a multicenter, retrospective, cohort study with nine French neurosurgical units from January 1, 2013, to December 31, 2020. All participants were adult patients who required evacuation of an intracerebral hematoma. We looked for risk factors for poor outcomes by comparing the baseline characteristics and treatments performed by using the 6-month modified Rankin scale score. Poor outcomes were defined by an modified Rankin scale score of 3–6.
Results
A total of 162 patients were included. A total of 129 (79.6%) patients were treated by microsurgery, and 33 (20.4%) patients were treated by EVT. In multivariate analysis, factors associated with poor outcomes included hematoma volume, realization of a decompressive craniectomy, occurrence of procedure-related symptomatic cerebral ischemia, occurrence of delayed cerebral ischemia, and EVT. In the propensity score matching analysis (n = 33 per group), poor outcomes were observed in 30% of the patients in the clipping group versus 76% in the EVT group (P < 0.001). These differences may have been related to a longer delay between hospital admission and hematoma evacuation in the EVT group.
Conclusions
In the specific subgroup of ruptured MCAa with intracerebral hematoma that requires surgical evacuation, clipping with concomitant hematoma evacuation could provide better functional outcomes than EVT followed by surgical evacuation.
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Abbreviations
- DC:
-
Decompressive craniectomy
- EVT:
-
Endovascular therapy
- IA:
-
Intracranial aneurysm
- ICH:
-
Intracerebral hematoma
- ISAT:
-
International Subarachnoid Aneurysm Trial
- IVH:
-
Intraventricular hemorrhage
- MCAa:
-
Middle cerebral artery aneurysm
- mRs:
-
Modified Rankin scale
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TG designed the study; TM, CD, FB, PJLR, ALN, HB, MCH, CP, VG, AL, SA, and AB collected the data; LN and ARB analyzed the data; CLG, MP, EE, EM, FP, IPG, DV, SD, CB, TM, and TG wrote and corrected the article. All authors approved this final manuscript.
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This cohort study has been reported in accordance with the STROBE statements (www.strobe-statement.org). The study was reviewed and approved by the institutional review board of neurosurgery (n°IRB00011687 College de Neurochirurgie institutional review board #1 2022/12).
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Metayer, T., Dumot, C., Bernard, F. et al. Clipping Versus Coiling for Ruptured MCA Aneurysms Associated with Intracerebral Hematoma Requiring Surgical Evacuation. Neurocrit Care 39, 162–171 (2023). https://doi.org/10.1007/s12028-023-01702-8
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DOI: https://doi.org/10.1007/s12028-023-01702-8