Omega plate for the treatment of acetabular fractures involving the quadrilateral plate

Veliceasa,Bogdan; Filip,Alexandru; Pertea,Mihaela; Popescu,Dragos; Carp,Claudiu; Alexa,Ovidiu

doi:10.3892/etm.2021.10498

Omega plate for the treatment of acetabular fractures involving the quadrilateral plate

Authors:
- Bogdan Veliceasa
- Alexandru Filip
- Mihaela Pertea
- Dragos Popescu
- Claudiu Carp
- Ovidiu Alexa
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Affiliations: Department of Orthopedics and Traumatology, Surgical Sciences (II), ‘Grigore T. Popa’ University of Medicine and Pharmacy, Faculty of Medicine, 700115 Iasi, Romania, Department of Plastic Surgery, Surgical Sciences (I), ‘Grigore T. Popa’ University of Medicine and Pharmacy, Faculty of Medicine, 700115 Iasi, Romania
Published online on: July 27, 2021 https://doi.org/10.3892/etm.2021.10498
Article Number: 1064

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Abstract

This retrospective study aimed to assess the outcome of a modified Stoppa approach using an anatomically precontoured plate for the treatment of acetabular fractures. In total, 30 patients (mean age 50.3 years; 25 men and 5 women) with acetabular fractures were treated between January 1, 2018 and December 31, 2019. In all 30 cases, fracture reduction was performed through a modified Stoppa approach and fixed with the omega plate. In specific fracture patterns, additional approaches were needed (lateral window in 4 cases and posterior Kocher‑Langenbeck approach in 7 cases). Patients were assessed for restoration of the hip joint congruency, complications, and overall fracture reduction. Quality of reduction was categorized based on Matta's radiological principles and to assess functional outcome the Merle d'Aubigné‑Postel and Harris hip score was used. The average anesthesia time was 253.6 min, the mean intraoperative blood lost was 266.6 ml and the mean intraoperative fluoroscopy dose was 3.21 mGy. According to Matta criteria for reduction quality, anatomical reduction was recorded in 22 cases, imperfect reduction in 6 cases and 2 cases had poor reduction. The average follow‑up was 22.5 months. Malunion, loss of reduction or implant loosening were not recorded. Late complications included one case of avascular necrosis of the femoral head and post‑traumatic arthritis changes in 5 cases. At the final follow‑up, a mean Merle d'Aubigné‑Postel score of 13.26±4.46 and a mean Harris score of 86.03±13.37 were recorded. The possibility of an anatomically precontoured plate with subsequent lower operative time combined with stable fixation of the primary acetabular fracture fragments and the quadrilateral plate makes the omega plate a viable option for treating acetabular fractures with a very low complication rate and good to excellent results in 89% of the cases.

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