Abstract
IntroductionTotal hip and knee arthroplasty (THA/TKA) are among the most successful orthopedic operations performed, aiming at the alleviation of osteoarthritic pain. This report is a surface topography study that assesses the mechanism by which THA or TKA influences truncal parameters. This study represents the first time that surface topography has been used for the assessment of truncal parameters.MethodsIn total, 15 patients with THA, including nine women and six men, with a mean age of 65.07 ± 9.73 years (range: 47-80 years), and 23 patients with TKA were assessed preoperatively and four and 12 months postoperatively. These patients were also compared with a control group (CG) that included 25 individuals, including 12 women and 13 men, with a mean age of 69.28 ± 10.11 years (range: 55-86 years). The Diers Formetric four-D analysis system was used to calculate several truncal parameters in all planes.ResultsData analysis revealed statistically significant differences in the kyphotic angle (°; 56.50→63.57, p < 0.05) and the pelvic obliquity (°; 3.40→1.93, p < 0.05) between measurements at baseline and 12 months after THA. Statistically significant differences were noted for the pelvic obliquity (°; 2.74→1.43, p < 0.05) between measurements at baseline and 12 months after TKA.ConclusionsTHA and TKA are causes of truncal morphological alterations. THA and TKA improved pelvic obliquity, contributing to correct the posture in the patients.
Highlights
Total hip and knee arthroplasty (THA/TKA) are among the most successful orthopedic operations performed, aiming at the alleviation of osteoarthritic pain
Symptomatic knee OA happens in 10% of men and 13% of women aged 60 years or older [3]
Hip and knee OA can lead to marked disability, pain, decreased mobility, and the need for increased usage of healthcare services
Summary
The objectives of this study are to investigate changes in the truncal parameters after THA or TKA and assess whether these parameters are improved or deteriorated after these operations
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