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Optimizing the Approach to STA-MCA Bypass Surgery and Reducing Wound Complications
Nakao Ota1, Shun Ono1, Fozia Saeed2
1Stroke Center, Department of Neurosurgery, Sapporo Teishinkai Hospital, Sapporo, Hokkaido, Japan.
World Neurosurgery
|November 25, 2023
Summary
Delayed wound healing after complex intracranial aneurysm bypass surgery is linked to aneurysm rupture, diabetes, large craniotomies, and incision type. Using smaller skin flaps can minimize this risk.
Area of Science:
- Neurosurgery
- Vascular Surgery
Background:
- Superficial temporal artery (STA) bypass surgery is effective for complex intracranial aneurysms.
- Harvesting STA branches with pterional craniotomy can lead to delayed skin flap wound healing.
Purpose of the Study:
- To retrospectively analyze factors associated with delayed wound healing after STA bypass surgery for intracranial aneurysms.
Main Methods:
- Retrospective analysis of 56 consecutive cases undergoing 2-branch STA bypass for complex intracranial aneurysms.
- Univariate analysis to identify factors correlated with delayed wound healing.
Main Results:
- Delayed wound healing occurred in 10.7% of cases.
- Significant factors included aneurysm rupture, diabetes mellitus, large craniotomy size, and skin incision type (L- or T-shaped).
- Age, sex, BMI, and specific STA branch characteristics were not significant.
Conclusions:
- Minimizing skin flap size with L- or T-shaped incisions can reduce delayed wound healing risk.
- Meticulous surgical technique considering scalp vascularity is crucial during STA harvesting and wound closure.
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