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The objective of the paper is to analyse the role of the labrum with particular attention to its morphological changes in unstable dysplastic hips during treatment.
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Between January 2013 and December 2015, data were collected on 86 unstable, dysplastic hips, which were divided into type D (n = 13), type III (n = 49) and type IV (n = 24). The labrum was evaluated with ultrasound examination (US) for echogenicity and dimensions with inter-/intra-observer tests comparing the US images at diagnosis and at the end of treatment. Statistical analysis was performed.
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At the end of treatment of unstable, dysplastic hips, the labrum was more echogenic with a frequency of 97% and was larger with a frequency of 96%.
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The labrum has an active stabilizing role in unstable dysplastic hips and it undergoes a statistically significant increase of echogenicity and dimensions after treatment.
Cite this article: EFORT Open Rev 2019;4 DOI: 10.1302/2058-5241.4.180053
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Purpose
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The results of total knee arthroplasty (TKA) following anterior cruciate ligament (ACL) reconstruction are still under-investigated. The purpose of this research is to investigate the differences between TKA after ACL reconstruction and TKA for primary osteoarthritis through a review and meta-analysis of the literature.
Methods
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Case–control and cohort studies reporting outcomes of TKA following ACL reconstruction were considered eligible for inclusion. The primary endpoint was to systematically review and meta-analyze the reported complications of TKA following ACL reconstruction. The outcomes have been compared with a group of patients who underwent TKA for primary knee osteoarthritis (OA) with any previous ACL surgery. Secondary endpoints were to assess and compare technical difficulties and results including the operative time, the use of revision components, the request for intraoperative release or additional procedures, the revision rate, and the clinical outcomes.
Results
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Seven studies were included involving 1645 participants, 619 of whom underwent TKA in previous ACL reconstruction and 1026 TKA for primary OA with no previous ACL reconstruction. Meta-analysis showed that TKA in previous ACL reconstruction had a significantly higher complication rate (OR = 2.15, P < 0.001), longer operative times (mean differences (MD): 11.19 min; P < 0.001) and increased use of revision components (OR = 2.16; P < 0.001) when compared to the control group without differences of infection, and revision rate.
Conclusions
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TKA in a previous ACL reconstruction has a significantly higher complication rate, longer operative times, and a higher need for revision components and intraoperative soft tissue releases in comparison to TKA for primary OA without previous ACL reconstruction.
