Haiyang Wu1, Qipeng Shao1, Ranran Shang2, Chengjing Song3, Ximing Liu1, Xianhua Cai4. 1. Department of Orthopaedic Surgery, General Hospital of Central Theater Command, Wuhan Clinical Medicine College of Southern Medical University, 430070, Wuhan, China. 2. Department of Orthopaedic Surgery, First Hospital of Wuhan, Hubei University of Chinese Medicine, 430022, Wuhan, China. 3. Chengjing Song Huaiyin hospital of huai an city, 223300, Huaian, China. 4. Department of Orthopaedic Surgery, General Hospital of Central Theater Command, Wuhan Clinical Medicine College of Southern Medical University, 430070, Wuhan, China. lzgkcxh@163.com.
Abstract
BACKGROUND: Acetabular fractures with medial displacement of the quadrilateral plate (QLP) are common in the elderly. The presence of QLP fractures greatly increase the surgical difficulty of acetabular fractures. This study aims to evaluate the clinical radiological outcomes of open reduction and internal fixation (ORIF) in QLP fractures in elderly patients and to investigate factors potentially affecting the result. METHODS: We conducted a retrospective study. A series of 37 consecutive patients with acetabular fracture involving the QLP aged 60 years and older who received ORIF between January 2010 and May 2019 were included. QLP fractures were classified according to Walid's classification system. Radiological outcomes were evaluated using Matta criteria and functional outcomes were assessed using the modified Merle d'Aubigné score. The relationships between Walid's classification and radiological or functional outcomes were analyzed. RESULTS: According to Walid's classification, 18, 13, 6 were classified as QLP1, QLP2 and QLP3, respectively. The average follow-up was 35.5 ± 10.7 months. We obtained anatomic reduction in 48.6 % (18/37) of cases, imperfect reduction in 40.5 % (15/37) of cases, and poor reduction in 10.8 % (4/37) of cases. Excellent-good functional scores were found in 83.7 % (modified Merle d'Aubigné). There were no cases of screw entering the hip, pull-out and loosening or implant failure during the follow-up. Walid's classification was positively correlated with radiological outcomes of reduction (r = 0.661; P < 0.001), and functional outcomes (r = 0.478; P = 0.003). Unsatisfactory reduction was demonstrated a correlation with the development of post-traumatic arthritis (r =-0.410; P = 0.012). CONCLUSIONS: ORIF may be suggested for quadrilateral plate fractures in the elderly. Walid's classification system is associated with the reduction quality and functional recovery.
BACKGROUND:Acetabular fractures with medial displacement of the quadrilateral plate (QLP) are common in the elderly. The presence of QLP fractures greatly increase the surgical difficulty of acetabular fractures. This study aims to evaluate the clinical radiological outcomes of open reduction and internal fixation (ORIF) in QLP fractures in elderly patients and to investigate factors potentially affecting the result. METHODS: We conducted a retrospective study. A series of 37 consecutive patients with acetabular fracture involving the QLP aged 60 years and older who received ORIF between January 2010 and May 2019 were included. QLP fractures were classified according to Walid's classification system. Radiological outcomes were evaluated using Matta criteria and functional outcomes were assessed using the modified Merle d'Aubigné score. The relationships between Walid's classification and radiological or functional outcomes were analyzed. RESULTS: According to Walid's classification, 18, 13, 6 were classified as QLP1, QLP2 and QLP3, respectively. The average follow-up was 35.5 ± 10.7 months. We obtained anatomic reduction in 48.6 % (18/37) of cases, imperfect reduction in 40.5 % (15/37) of cases, and poor reduction in 10.8 % (4/37) of cases. Excellent-good functional scores were found in 83.7 % (modified Merle d'Aubigné). There were no cases of screw entering the hip, pull-out and loosening or implant failure during the follow-up. Walid's classification was positively correlated with radiological outcomes of reduction (r = 0.661; P < 0.001), and functional outcomes (r = 0.478; P = 0.003). Unsatisfactory reduction was demonstrated a correlation with the development of post-traumatic arthritis (r =-0.410; P = 0.012). CONCLUSIONS: ORIF may be suggested for quadrilateral plate fractures in the elderly. Walid's classification system is associated with the reduction quality and functional recovery.
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