We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Conventional cementless total hip arthroplasty in patients with dwarfism with height less than 140 cm and minimum 10-year follow up: A clinical study.
- Authors
Oba, Yosuke; Sonohata, Motoki; Kitajima, Masaru; Kawano, Shunsuke; Eto, Shuichi; Mawatari, Masaaki
- Abstract
<bold>Background: </bold>Orthopedic complications can cause issues and severe disability in patients with dwarfism. Thus, these individuals frequently undergo total hip arthroplasty to mitigate decline in daily functioning. Although studies have reported on the difficulties of orthopedic surgery in patients with dwarfism, many do not clearly define dwarfism and have a short follow-up period. We aimed to retrospectively investigate the clinical and radiographic results of total hip arthroplasty for patients with dwarfism.<bold>Methods: </bold>A total of 68 hips of 49 patients with height <140 cm and at least 10-year follow-up periods were enrolled. All patients had conventional cementless implants. All hips were evaluated using the Japanese Orthopaedic Association hip score.<bold>Results: </bold>The main hip disease etiologies were primary hip osteoarthritis (58%) and secondary osteoarthritis due to developmental dysplasia (31%). Rheumatoid arthritis, rapidly destructive coxarthrosis, spondyloepiphyseal dysplasia, childhood infection, and femoral head aseptic necrosis were also causative pathologies. Hip scores significantly improved from 44 to 82 out of 100. Overall implant-associated survival rate after 10 years was 94.1%. Cup loosening was observed in 2 hips, and subsidence >5 mm was observed in 9 hips. Presence of Crowe IV in hips was a significant risk factor for total hip arthroplasty in patients with dwarfism (p < 0.05); leg lengthening had a weak but significant correlation (r = 0.253, p < 0.05).<bold>Conclusions: </bold>Total hip arthroplasty using conventional cementless implants for patients with dwarfism shows good clinical and radiological outcomes and has a relatively low perioperative risk.
- Subjects
TOTAL hip replacement; FOLLOW-up studies (Medicine); DWARFISM; IDIOPATHIC femoral necrosis; TOTAL shoulder replacement; ETIOLOGY of diseases; ORTHOPEDIC surgery
- Publication
Journal of Orthopaedic Science, 2021, Vol 26, Issue 1, p128
- ISSN
0949-2658
- Publication type
journal article
- DOI
10.1016/j.jos.2020.02.001