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Step-by-step guide to ultrasound-based design of alt flaps by the microsurgeon – Basic and advanced applications and device settings

Kehrer, Andreas ; Sachanadani, Neil S. ; da Silva, Natascha Platz Batista ; Lonic, Daniel ; Heidekrueger, Paul ; Taeger, Christian D. ; Klein, Silvan ; Jung, Ernst Michael ; Prantl, Lukas ; Hong, Joon-Pio


Background: The anterolateral thigh (ALT) perforator flap is a popular reconstructive tissue transfer. Consistent with the "hot/cold zone" concept for rapid dissection and thin flap harvest, reliable preoperative perforator mapping is mandatory. Color-coded duplex sonography (CCDS) has been shown to have the highest pooled sensitivity and positive predictive value to identify ALT perforating ...


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