Electromyographic evaluation must be obtained prior to the procedure to exclude spinal or peripheral nerve pathology that may affect gluteal muscle function. |
Failure to appreciate muscle atrophy related to spine or peripheral nerve pathology may result in transferring weak or nonviable gluteal maximus muscle. |
Perioperative administration of tranexamic acid reduces intraoperative blood loss and risk of postoperative hematoma. |
An attempt to perform transfer through minimally invasive approaches makes flap division and tensioning inconsistent and technically challenging. |
Packing a laparotomy sponge posterior to the greater trochanter during exposure protects the sciatic nerve and safely divides adhesions from areas of chronic inflammation or prior surgical exposure. |
Failure to protect the sciatic nerve during Charnley retractor placement or bone tunnel drilling may result in neurapraxia or direct injury to the nerve. |
Splitting the proximal vastus lateralis allows appropriate placement of the distal row and provides a cuff of tissue for repair over the distal aspect of the tendon transfer. |
Failure to abduct the leg on a Mayo stand during graft tensioning may result in inadvertent laxity of the muscle transfer. |
The addition of the distal row likely allows excellent compression across the footprint and improves repair strength. |
No biomechanical or outcome data on this specific mechanism of repair are available yet. |