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The incidence of hip dislocation and suture failure according to two different types of posterior soft tissue repair techniques in total hip arthroplasty: a prospective randomized controlled trial

Title
The incidence of hip dislocation and suture failure according to two different types of posterior soft tissue repair techniques in total hip arthroplasty: a prospective randomized controlled trial
Author
황규태
Keywords
Total hip arthroplasty; Posterior soft tissue; Short external rotator; Tendon-to-bone repair technique
Issue Date
2018-09
Publisher
SPRINGER
Citation
INTERNATIONAL ORTHOPAEDICS, v. 42, no. 9, page. 2049-2056
Abstract
Although the posterolateral approach for hip arthroplasty is popular and has numerous advantages, it has been known to have a propensity for dislocation. The repair of short external rotator muscles with capsule is important for reducing dislocation. The purpose of this study is to investigate the incidence of suture failure, dislocation, and time to failure for two repair techniques for posterior soft tissue repair during total hip arthroplasty.In this study of 167 total hip arthroplasties in 159 patients, we reattached the short external rotator tendon with posterior capsule to the greater trochanter transosseously (tendon-to-bone, 87 hips) or the gluteus medius tendon (tendon-to-tendon, 80 hips). Radiopaque markers were attached to each suture side < 1.2 cm apart. The distance between the markers was radiographically measured at variable time points postoperatively. Failure was defined by a distance between markers of ae<yen> 2.5 cm or marker invisibility. The mean follow-up period was 28.8 (12-45) months.Suture failure was observed less frequently in the tendon-to-bone group (18.4%) than in the tendon-to-tendon group (65%; p < 0.001). Failure mostly occurred within two weeks post-operatively: 93.8% for tendon-to-bone repair (p < 0.001) and 90.4% for tendon-to-tendon repair (p = 0.025). The dislocation rate was significantly higher in the tendon-to-tendon group (7. vs 1.1%; p = 0.041). A significant correlation was observed between suture failure and dislocation (p = 0.013).Tendon-to-bone repair is superior to tendon-to-tendon repair based on lower suture failure and dislocation rates.
URI
https://link.springer.com/article/10.1007%2Fs00264-018-3884-0http://repository.hanyang.ac.kr/handle/20.500.11754/120157
ISSN
0341-2695; 1432-5195
DOI
10.1007/s00264-018-3884-0
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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