Assessment of Medial and Lateral Neurovascular Structures after Percutaneous Posterior Calcaneal Displacement Osteotomy: A Cadaver Study

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A prospective investigation of the effects on the medial and lateral neurovascular structures of the rearfoot after percutaneous posterior calcaneal displacement osteotomy was performed using 20 below the knee fresh frozen cadaver specimens. This anatomic study aimed to examine the medial and lateral neurovascular structures to determine whether they were jeopardized during execution of the osteotomy. After completion of the osteotomy, the medial plantar, lateral plantar, medial calcaneal, sural, and posterior tibial neurovascular structures, along with their respective branches, were inspected for iatrogenic injury. Our findings demonstrated that the percutaneous, subperiosteal osteotomy minimized trauma to the local soft tissue envelope and protected the adjacent neurovascular structures. Because no iatrogenic injury was observed in the cadaveric specimens, we postulated that percutaneous calcaneal displacement osteotomy is a safe, predictable, and advantageous alternative compared with open techniques for osteotomy and could result in reduced postoperative complications. The results of this investigation remain to be confirmed in the clinical setting.Level of Clinical Evidence: 5

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