• Injury · Jun 2024

    Subtrochanteric femur nonunion - Chasing the elusive an analysis of two techniques to achieve union: Nail-plate fixation and plate-structural fibula graft fixation.

    • Jayaramaraju Dheenadhayalan, Nandakumar Sanjana, Agraharam Devendra, Purnaganapathi Sundaram Velmurugesan, Perumal Ramesh, and Shanmuganathan Rajasekaran.
    • Department of Orthopaedic Trauma, Ganga Medical Centre & Hospitals Pvt Ltd, Coimbatore, Tamil Nadu, India.
    • Injury. 2024 Jun 1; 55 (6): 111462111462.

    IntroductionThe subtrochanteric region is known for its unique biomechanical properties that contribute to challenges in fracture reduction. To ensure optimal fracture healing, achieving robust mechanical stability is essential. There are very few studies in the literature describing the treatment of subtrochanteric fracture nonunion.PurposeTo analyze the outcomes of two techniques of revision fixation of nonunion in subtrochanteric femur fracture, namely, nail-plate fixation and plate-structural fibula graft fixation.MethodsThis was a retrospective analysis of subtrochanteric femur nonunion between January 2011 and December 2019. The demographic details, details of the index surgery, details of the revision surgery and the time to final union were collected. The nonunion was divided based on the level of the fracture into high subtrochanteric and low subtrochanteric. Two revision techniques were used: plate-structural fibula graft for high subtrochanteric and nail-plate construct for low subtrochanteric femur fractures RESULTS: Out of the 54 patients that were included, there was malalignment in 53.70 %, medial comminution in 46.3 %, distraction at the fracture site in 44.4 %, lateral trochanteric wall break in 37.03 % and implant failure in 70.37 % of the patients. There were 20 high subtrochanteric and 34 low subtrochanteric fractures. Union was achieved in 53 patients (98.14 %). The mean LEFS score was 71.4 in the nail-plate group and 66.2 in the plate-structural fibula graft group (p 0.003).ConclusionThe treatment of subtrochanteric femur fracture nonunion can be a daunting task. The goal is to correct the varus and restore the medial support which will prevent the occurrence of collapse and another failure. We were able to achieve this with both the nail-plate and the plate- structural fibula graft revision methods.Copyright © 2024 Elsevier Ltd. All rights reserved.

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