• Masakatsu Hihara, Atsuyuki Kuro, Toshihito Mitsui, and Natsuko Kakudo.
• Department of Plastic and Reconstructive Surgery, Kansai Medical University, Osaka, Japan.
• Medicine (Baltimore). 2023 Mar 17; 102 (11): e33311e33311.

AbstractFor the reconstruction of severe upper extremity trauma involving arterial injury in civilian patients, it is generally recommended that the revascularization time be shortened using a temporary intravascular shunt (TIVS). However, if a flow-through type vastus lateralis muscle (VLm) flap can be harvested in 20 minutes and bypassed at the obstructed ischemic zone within 30 minutes, blood flow can be restored as quickly or more quickly than when using a TIVS, eliminating the need for a TIVS. This procedure was applied in the reconstruction of 3 cases of severe extremity trauma with vascular injury. The mean age was 69.7 years. Surgery was started an average of 2.93 hours from the onset. The average flap harvest time was 0.33 hours. The average time to revascularization from flap harvest was 1.33 hours, the average total operation time was 6.43 hours, and all upper extremities were salvaged. No cases showed ischemia-reperfusion injury or severe muscle contracture. The flow-through-type VLm flap can be applicable as a bypass graft for a 20 cm defect at any region distal to the elbow. In addition, harvesting the flap attached to blood-rich muscle not only controls the infection of contaminated wounds through the filling of dead space, but also has the potential to replace damaged muscle or tendon tissue. Even though TIVS placement is currently used extensively in this field of treatment, its role could be significantly reduced if a flow-through-type VLm flap can be harvested within 20 minutes.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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