Abstract | PURPOSE: Dislocation is a concerning complication of the posterolateral approach for total hip arthroplasty (THA). Use of a larger size femoral head and a correct repair of the posterior structures can reduce the risk on dislocation of the hip prosthesis. In this study we investigated if there was a difference in dislocation rate between transmuscular and transosseous repair of the posterior soft tissues with use of 36 mm heads. METHODS: A power analysis showed that with a standardised effect size of 0.3 and p-value of 0.05, each group should include at least 174 patients. A total of 465 consecutive primary THAs with a posterolateral approach were performed in patients with primary osteoarthritis by 3 orthopaedic surgeons. There were 246 patients operated using transmuscular repair, the other 219 by using transosseous repair. All patients were given the same prostheses. RESULTS: Dislocation rate was 1.7% in all patients with at least 1 year follow-up. No significant difference was found in dislocation between both reconstruction techniques. Clinical outcome scores were comparable between the groups. CONCLUSIONS: Transosseous and transmuscular repair were equally effective techniques in closing the posterior soft tissues after THA through the posterolateral approach, without difference in dislocation rate or complication rate.
|
Authors | Elsa A Spaans, Anne J Spaans, Joost A A M van den Hout, Stefan B T Bolder |
Journal | Hip international : the journal of clinical and experimental research on hip pathology and therapy
(Hip Int)
2015 Nov-Dec
Vol. 25
Issue 6
Pg. 537-42
ISSN: 1724-6067 [Electronic] United States |
PMID | 26351119
(Publication Type: Journal Article)
|
Topics |
- Aged
- Aged, 80 and over
- Arthroplasty, Replacement, Hip
(methods)
- Female
- Follow-Up Studies
- Hip Dislocation
(diagnosis, etiology, surgery)
- Hip Prosthesis
- Humans
- Joint Capsule
(surgery)
- Male
- Middle Aged
- Osteoarthritis, Hip
(diagnosis, etiology, surgery)
- Prosthesis Failure
- Reoperation
- Treatment Outcome
|