About this trial
Patients with pilon fractures have a high incidence of talar osteochondral lesions. In this study, patients will undergo ankle arthroscopy at the time of external fixation. The objective is to help determine the incidence of these lesions with pilon fractures and to see if these nano-arthroscopy results change the plan for definitive treatment.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age ≥ 18 years (skeletally mature) Tibial plafond fractures with impaction of the articular surface requiring external fixation for temporization AO/Orthopaedic Trauma Association (OTA) Fracture classification 43-C type fractures (excluding posterior pilon or supination-adduction type ankle fractures) Closed injury
Disqualifiers
Prior ankle surgery
Pre-existing ankle arthritis
Unstable polytrauma patients precluding safe temporization
Concomitant talus or calcaneus fractures identifiable on plain radiographs
Trial design
Single group
Treatments tested in this trial
Diagnostic Ankle Nano-Arthroscopy
Procedure/SurgeryFollowing placement of the external fixator, the Arthrex Nanoscope will be introduced into the tibiotalar joint to evaluate for osteochondral lesions
Treatment groups
Trial outcomes
Primary outcomes
The total number of patients with talar osteochondral lesions in patients with tibial plafond fractures as determined by using images from the nano-arthroscopy at the time of external fixation
Secondary outcomes
The total number of patients that identification of osteochondral lesions (OCLs) influences surgical decision-making regarding timing, approach, or choice of definitive fixation technique by each surgeon.
This will be determined through six fellowship-trained orthopedic trauma or foot \& ankle surgeons who will independently review patient histories, radiographs, and computed tomography (CT) to develop a preoperative plan. They will then be shown the same cases with knowledge of OCL findings to determine whether this information alters their management strategy (yes or no).
Sponsors and contacts
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University of Missouri-Columbia
Lead sponsor
Arthrex, Inc.
Collaborator