Objective: The effects of treatment methods for ruptured aneurysms on the incidence of vasospasm and normal pressure hydrocephalus (NPH) following subarachnoid hemorrhage (SAH) are controversial. We retrospectively examined the Nagasaki SAH registry data, and the complication rates of symptomatic vasospasm and NPH were analyzed based on the treatment methods.
Methods: Between January 2015 and December 2017, 800 SAH patients were registered from 18 hospitals, and their age, sex, World Federation of Neurological Societies (WFNS) grade, Fisher group, size and location of cerebral aneurysms, treatment methods, incidence of symptomatic vasospasm and shunt-dependent hydrocephalus, and prognosis (discharge or 3 months later) were retrospectively analyzed. The effects of treatment methods for the ruptured aneurysm on the incidence of symptomatic vasospasm and shunt-dependent hydrocephalus were then statistically analyzed.
Results: The mean age was 66.2 years old. There were 245 (30.6%) male patients and 555 (69.3%) female patients. Cerebral aneurysms were identified in 708 patients (87.5%) and surgical treatments were performed for 620. Neck clipping was employed in 416 patients (67.1%) and coil embolization was employed in 180 (29.0%). Symptomatic vasospasm developed in 118 (28.4%) in the clipping group and 30 (16.7%) in the coiling group (P = 0.0024). NPH developed in 148 (35.6%) in the clipping group and 42 (23.3%) in the coiling group (P = 0.0032). Vasospasm was listed as a major factor for an unfavorable outcome in 23 patients (8.9%) and as a minor factor in 33 (13.3%). NPH was listed as a major factor for an unfavorable outcome in 19 patients (3.5%) and as a minor factor in 46 (18.5%).
Conclusions: The multicenter registry study demonstrated lower incidences of both symptomatic vasospasms and NPH in the coiling group than in the clipping group. This superiority may result in better outcomes in the coiling group.
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| http://dx.doi.org/10.5797/jnet.oa.2020-0130 | DOI Listing |
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