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Scalp thickness as a predictor of wound complications after cerebral revascularization using the superficial temporal
Jaewoo Chung1, Seungjoo Lee2, Jung Cheol Park2
1Department of Neurosurgery, Dankook University Hospital, Cheonan, South Korea.
Objective:
Cerebral revascularization using the superficial temporal artery diverts some of the blood supply from the scalp to the brain. This may compromise the blood supply to the scalp and could result in more wound complications.
Objective:
This retrospective chart review aimed to identify the incidence of, and independent risk factors for, wound complications after cerebral revascularization using the superficial temporal artery.
Methods:
Patients who underwent cerebral revascularization using the superficial temporal artery between January 2003 and February 2017 were studied. Minor wound complications included superficial skin necrosis, and mild wound dehiscence, while major wound complications included full-thickness skin necrosis, deep infection, and osteomyelitis that required additional surgical treatment.
Results:
A total of 482 cerebral revascularization procedures using the superficial temporal artery were included. Wound complications developed in 32 cases (6.6% of the total), including 7 classified as major in severity (1.5% of the total). The multivariate analysis revealed diabetes mellitus (odds ratio 4.058, p = 0.001), low body mass index (odds ratio 1.21, p = 0.009), and thin scalp (odds ratio 1.82, p < 0.001) as the main risk factors for wound complications. Every 1-mm increase in scalp thickness was associated with a protective effect on wound complications (odds ratio 0.549).
Conclusion:
Cerebral revascularization using the superficial temporal artery was associated with a relatively high incidence of wound complications. Diabetes mellitus, low body mass index, and thin scalp were found to be independent risk factors for wound complications. The thickness of the scalp could be a useful predictor of wound complications.
