• World Neurosurg · Nov 2020

    Clinical Outcome of Elderly Patients with Subarachnoid Hemorrhage: validation of modality assignment based on aneurysmal morphology and location.

    • Takuma Maeda, Tetsu Satow, Go Ikeda, Eika Hamano, Naoki Hashimura, Takeshi Hara, Masatake Sumi, Masaki Nishimura, and Jun C Takahashi.
    • Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan.
    • World Neurosurg. 2020 Nov 1; 143: e419-e429.

    BackgroundThe number of elderly patients with subarachnoid hemorrhage is increasing. Elderly patients have been postulated to benefit more from endovascular coiling, compared with neurosurgical clipping. However, we based our therapeutic modality on the morphology and location of the aneurysms, rather than patients' age or their World Federation of Neurological Surgeons grade. The aim of this study was to investigate the validity of our therapeutic modality over earlier approaches by assessing their clinical outcomes.MethodsThe study sample included 539 patients who underwent surgical procedures between January 2010 and May 2019. Baseline characteristics, aneurysmal morphology and location, surgical and clinical complications, and clinical outcomes were compared between elderly (defined as aged 75 years or older) and young patients.ResultsThere were 124 elderly patients (23.0%) in the sample. Eighty-five elderly patients (68.5%) received neurosurgical clipping, whereas 67.0% of the young patients (P = 0.827) received neurosurgical clipping. Of the elderly patients who had a poor World Federation of Neurological Surgeons grade, 49.4% and 48.7% underwent neurosurgical clipping and endovascular coiling, respectively (P = 1.000). Elderly patients had fewer favorable outcomes (21.8%) relative to young patients (61.8%; P < 0.001). There were no significant differences in the rate of favorable outcomes between patients undergoing neurosurgical clipping relative to endovascular coiling (21.2% vs. 23.1%; P = 0.818).ConclusionsNeurosurgical clipping and endovascular coiling yield comparable clinical outcomes in elderly and young patients with subarachnoid hemorrhage. These findings indicate that using a therapeutic modality based on aneurysmal morphology and location may be an effective treatment approach.Copyright © 2020 Elsevier Inc. All rights reserved.

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