Abstract:
BACKGROUND:Osteoarthritis is common and debilitating, in part because it often affects more than one large weightbearing joint. The likelihood of undergoing more than one total joint arthroplasty has not been studied in a heterogeneous, multicenter population in the United States. QUESTIONS/PURPOSES:We used prospectively collected data of patients with osteoarthritis from the multicenter Osteoarthritis Initiative (OAI) project to ask (1) What is the likelihood of a subsequent THA or TKA after primary TKA or THA? (2) What risk factors are associated with undergoing contralateral TKA after primary TKA? METHODS:Longitudinally maintained data from the OAI were used to identify 332 patients who underwent primary TKA and 132 patients who underwent primary THA for osteoarthritis who did not have a previous TKA or THA in this retrospective study. OAI was a longitudinal cohort study of knee osteoarthritis conducted at five centers in the United States (Columbus, OH, USA; Pittsburgh, PA, USA; Baltimore, MD, USA; Pawtucket, RI, USA; and San Francisco, CA, USA). In this study, the mean follow-up time was 4.0 ± 2.3 years, with 24% (112 of 464) followed for less than 2 years. The primary outcome was the cumulative incidence of subsequent arthroplasty calculated using the Kaplan-Meier method. Age, BMI, gender, and contralateral Kellgren-Lawrence grade, medial joint space width, and hip-knee-ankle angles were modeled as risk factors of contralateral TKA using Cox proportional hazards. RESULTS:Using the Kaplan-Meier method, at 8 years the cumulative incidence of contralateral TKA after the index TKA was 40% (95% CI 31 to 49) and the cumulative incidence of any THA after index TKA was 13% (95% CI 5 to 21). The cumulative incidence of contralateral THA after the index THA was 8% (95% CI 2 to 14), and the cumulative incidence of any TKA after index THA was 32% (95% CI 15 to 48). Risk factors for undergoing contralateral TKA were younger age (HR 0.95 for each year of increasing age [95% CI 0.92 to 0.98]; p = 0.001) and loss of medial joint space width with a varus deformity (HR 1.26 for each 1 mm loss of joint space width at 1.6 varus [1.06 to 1.51]; p = 0.005). CONCLUSION:Patients who underwent TKA or THA for osteoarthritis had a high rate of subsequent joint arthroplasties in this study conducted at multiple centers in the United States. The rate of subsequent joint arthroplasty determined in this study can be used to counsel patients in similar settings and institutions, and may serve as a benchmark to assess future osteoarthritis disease-modifying interventions. LEVEL OF EVIDENCE:Level III, therapeutic study.
journal_name
Clin Orthop Relat Resjournal_title
Clinical orthopaedics and related researchauthors
Santana DC,Anis HK,Mont MA,Higuera CA,Piuzzi NSdoi
10.1097/CORR.0000000000000925subject
Has Abstractpub_date
2020-01-01 00:00:00pages
34-41issue
1eissn
0009-921Xissn
1528-1132pii
00003086-202001000-00009journal_volume
478pub_type
杂志文章abstract::In this study, the effect of clarithromycin on the destruction of bacterial biofilm in Pseudomonas aeruginosa osteomyelitis was investigated. Foreign body-related osteomyelitis caused by ceftazidime-sensitive Pseudomonas aeruginosa was produced in the tibias of 26 rats. After osteomyelitis was verified on Day 14, 10 r...
journal_title:Clinical orthopaedics and related research
pub_type: 杂志文章
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更新日期:2005-01-01 00:00:00
abstract::Few studies quantitate the cost of a quality well being as produced by arthroplasty surgery. The objective was to use the Quality of Well Being Index to calculate the cost per quality of well year in knee arthroplasty surgery. The difference in Quality of Well Being Index scores before and after the intervention was c...
journal_title:Clinical orthopaedics and related research
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abstract::An in vivo canine model was developed to investigate the histologic and biochemical parameters associated with aseptic loosening. Thirty-eight canines had cementless total hip arthroplasty. Experimental groups were designed specifically to investigate the relative contributions of implant motion and particulate debris...
journal_title:Clinical orthopaedics and related research
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journal_title:Clinical orthopaedics and related research
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更新日期:1982-10-01 00:00:00
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journal_title:Clinical orthopaedics and related research
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journal_title:Clinical orthopaedics and related research
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journal_title:Clinical orthopaedics and related research
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journal_title:Clinical orthopaedics and related research
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journal_title:Clinical orthopaedics and related research
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journal_title:Clinical orthopaedics and related research
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journal_title:Clinical orthopaedics and related research
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journal_title:Clinical orthopaedics and related research
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journal_title:Clinical orthopaedics and related research
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