Background: The superficial circumflex iliac artery perforator (SCIP) flap has been established in Asia to provide an excellent option for soft tissue defect coverage. The main advantage of this delicate flap is its very thin design. However, the adoption of this technique in other parts of the world has been rarely reported.
Methods: In this retrospective study, we analyzed outcomes of 32 SCIP flaps in a Caucasian patient population. The procedures were performed at our institution between March 2019 and August 2020. We present patient characteristics, surgical technique, perioperative care, and flap applications as compared to the Asian approaches.
Results: Patients' average BMI was 28.7. Flap anatomy and flap thickness at the superficial fascial plane differed significantly within our population. With 1.7 mm on average, the arterial diameter was higher than reported in the literature. Flaps were based on an axial perforator in 52% of cases. The SCIP flap was performed safely in the majority of cases. The surgical flap elevation approach was modified toward speedy perforator identification.
Conclusions: The SCIP flap offers superior opportunities for thin soft tissue defect coverage with excellent functional outcomes in Caucasian patients. Based on higher BMI and anatomical differences as compared to Asian patient populations, modifications of flap elevation were necessary to increase reliability. More outcome reports from outside Asia need to become available to advance SCIP flap application internationally.
Keywords: Extremity reconstruction; Free flap; Microsurgery; SCIP flap; Superficial circumflex iliac artery perforator.
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