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ArticleActa neurochirurgica. Supplement2025

Comparison of Exoscopic and Microscopic Superficial Temporal Artery to Middle Cerebral Artery Bypass.

Takuma Maeda, Hidetoshi Ooigawa, Koki Onodera, Yushiro Take, Hiroki Sato, Kaima Suzuki, Hiroki Kurita

Abstract readComparative Study
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In one paragraph

Article in Acta neurochirurgica. Supplement, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Takuma MaedaDepartment of Cerebrovascular Surgery, Saitama Medical University International Medical Center, Hidaka, Japan. maeda412@saitama-med.ac.jp.
Hidetoshi OoigawaDepartment of Cerebrovascular Surgery, Saitama Medical University International Medical Center, Hidaka, Japan.
Koki OnoderaDepartment of Cerebrovascular Surgery, Saitama Medical University International Medical Center, Hidaka, Japan.
Yushiro TakeDepartment of Cerebrovascular Surgery, Saitama Medical University International Medical Center, Hidaka, Japan.
Hiroki SatoDepartment of Cerebrovascular Surgery, Saitama Medical University International Medical Center, Hidaka, Japan.
Kaima SuzukiDepartment of Cerebrovascular Surgery, Saitama Medical University International Medical Center, Hidaka, Japan.
Hiroki KuritaDepartment of Cerebrovascular Surgery, Saitama Medical University International Medical Center, Hidaka, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeExoscopes have been used as a reliable surgical tool in the neurosurgical field. They could improve surgical field visibility with 4K three-dimensional (4K-3D) monitors and provide alleviation for the physical strain by allowing surgeons to maintain a neutral posture. In this study, we report our initial experience with exoscopic superficial temporal artery (STA)-middle cerebral artery (MCA) bypass compared to the conventional microscope at our institution.

methodsThis study included 58 patients with ischemic status, including internal carotid artery (ICA) stenosis, ICA occlusion, MCA stenosis, MCA occlusion, and moyamoya disease with ischemic onset, who underwent STA-MCA bypass between January 2021 and August 2022. The baseline characteristics, setup time, operative time, duration of MCA occlusion, surgical complications, and clinical outcomes were retrospectively analyzed. Additionally, a total of 19 neurosurgeons evaluated the effects of exoscope on the cerebrovascular procedure by using a questionnaire.

results36 patients (62.0%) underwent the procedure with the use of an exoscope. The patient's characteristics were similar between the two groups. No significant differences in the setup time (74 min vs. 73 min), operative time (382 min vs. 385 min), surgical complications (2.8% vs. 4.5%), or favorable outcomes (100% vs. 95.5%) were observed between the two groups. In the postoperative questionnaire evaluation, the exoscope received higher scores in "image quality" (78.9%), "brightness" (84.2%), "operability" (73.7%), and "education" (57.9%). In contrast, the conventional microscope received higher scores in "assistant work" (73.7%).

conclusionThe benefits of the exoscope were high image quality, an expanded view with digital zoom, and its compact body and comfortable resting position, which reduce the fatigue of neurosurgeons. On the basis of the findings of this study, the exoscope was found to be useful in STA-MCA bypass and demonstrated favorable outcomes comparable to those of the conventional microscope.

Indexed as

Cerebral RevascularizationMicrosurgeryMiddle Cerebral ArteryTemporal ArteriesAdultAgedFemaleHumansMaleMiddle AgedMoyamoya DiseaseOperative TimeRetrospective Studies3DDigital zoomExoscopeMicroscopeORBEYESTA-MCA bypass

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.