High-Transhumeral Amputation: Targeted Muscle Reinnervation and Soft Tissue Coverage With Pedicled Latissimus Dorsi Flap

The introduction of targeted muscle reinnervation has improved amputation pain outcomes and the control of upper-extremity myoelectric prostheses. However, patients with proximal transhumeral amputation levels and soft tissue deficits present a unique challenge. Existing described targeted muscle reinnervation techniques in transhumeral amputees rely on recipient motor nerves from the biceps and triceps; however, these may be absent in patients with more proximal injuries. Here, we describe the use of the pedicled latissimus dorsi flap for both soft tissue coverage and additional motor targets in patients with high-transhumeral amputation with complex soft tissue deficits.