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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_21 | Pages 10 - 10
1 Apr 2013
Porter K Karia P Szarko M Amin A
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Introduction

Minimally invasive Achilles tendon repair has recently gained popularity amongst foot and ankle surgeons. This study aims to quantify the risk of sural nerve injury when using the Achillon device (Integra), as well as delineate its anatomical relationship to the Achilles tendon.

Methods

In 15 cadaveric specimens, the Achilles tendon was transected through a 2cm transverse incision made 4cm proximal to the palpable Achilles tendon insertion point. The Achillon device was inserted beneath the paratenon both proximally and distally and six needle passers mounted with sutures were introduced percutaneously into the tendon (x3 proximal and x3 distal). We dissected around the Achillon jig to determine whether the needle and suture had punctured the sural nerve. We also documented the position of the sural nerve in relation to the Achilles tendon.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XLIII | Pages 57 - 57
1 Sep 2012
Karia P Szarko M Nathdwarawala Y
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Introduction

Anterior ankle arthroscopy currently provides the best chance of restricting local anatomy damage during ankle surgery. The anterior working area (AWA) of the ankle is restricted by the Dorsalis Pedis Artery (DPA) and the extensor muscle tendons when the procedure is conducted both in dorsiflexion and plantarflexion. During surgery, iatrogenic damage to the DPA can lead to the formation of a pseudoaneurysm, which can be difficult to identify intraoperatively.

Our study investigates whether dorsiflexion or plantarflexion provides variability in the movement of the DPA to determine the positions at which anterior ankle arthroscopy provides the greatest anterior working area (AWA) without causing vascular damage. The current study expects the distance of the DPA from the inferior border of the medial malleolus (IBMM) (ankle joint) to be greater on ankle dorsiflexion than in ankle plantarflexion.

Materials and Methods

Twelve cadaver ankles embalmed with a mixture of phenol and glycerol, allowing greater motion, were dissected to access the DPA. The ankles, while in a distracted position (in accordance with common surgical practice), were forced into dorsiflexion from a plantarflexion position at 5° intervals. The distance between the IBMM and the DPA was measured at the 5° intervals.