Arthroscopically assisted treatment for nonconcentric reduction of hip posterior dislocation caused by acetabular labrum rim fracture: Medium-term clinical and radiological outcomes - 07/11/19
, Hong Chen b, Bo Zhao c, Duo Shen d, Zhaowei Jiang e, Yuhao Zhang a, Jun Zhang a
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Abstract |
Background |
Nonconcentric reduction of hip posterior dislocation caused by the acetabular labrum rim fracture is rare. There has been very little study on the feasibility of arthroscopically treatment and medium and mid-term evaluation to this pathology. The objectives of the current study were: (1) Is the arthroscopically assisted technique feasible to this manage this injury? (2) What is the effectiveness of arthroscopic treatment for nonconcentric reduction of hip posterior dislocation caused by acetabular labrum rim fracture.
Hypothesis |
Arthroscopically assisted procedure is an alternative treatment modality for nonconcentric reduction of hip posterior dislocation caused by acetabular labrum rim fracture.
Patients and methods |
Thirteen of 257 posterior hip dislocations who were admitted to our hospital from February 2008 to March 2017 were included: 9 males and 4 females, with an average age of 23.7 (15–36) years. All of them underwent hip posterior dislocation and nonconcentric reduction related to acetabular labrum rim fracture. All of them had arthroscopic reduction and fixation of the rim fracture. Visual Analogic Score (VAS) score, modified Harris score, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score and the last follow-up radiographs were analyzed respectively. Postoperative complication and the need for secondary operation were recorded during the process.
Results |
The incidence rate of this pathology was nearly 5%. Twelve out of 13 patients were followed up for an average of 42 (range, 26–68) months. At the final follow-up, VAS score was decreased from 5.2±0.9 (range, 4.0–6.1) preoperatively to 0.5±0.5 (range, 0.0–1.0) (p<0.0001), modified Harris score and WOMAC score were increased statistically significant from 32±8 (range, 28–40) and 30±5 (range, 25–35) to 94±5 (range, 89–99) and 95±4 (range, 91–99) respectively (p<0.0001). All patients have had completely concentric reduction and returned to activities of daily life. There was not any hip arthroscopic complication such as sciatic nerve injury and intra-abdominal fluid extravasation. Besides, there were no aseptic necrosis and revision case.
Conclusion |
Arthroscopically assisted procedure is an alternative treatment modality for nonconcentric reduction of hip posterior dislocation caused by the acetabular labrum rim fracture without surgical dislocation procedure. Good clinical results can be achieved without any complications related to the surgical procedure.
Level of evidence |
Level IV, therapeutic case series.
Le texte complet de cet article est disponible en PDF.Keywords : Arthroscopy, Nonconcentric reduction of hip posterior dislocation, Acetabular labrum rim fracture
Plan
Vol 105 - N° 7
P. 1333-1338 - novembre 2019 Retour au numéro
Article précédent
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