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Patients With Shorter Stature Exhibit Minimal Hammering Sound Changes During Cementless Stem Insertion in Total Hip Arthroplasty

Listening to the change in the hammering sound is 1 of the elements used to assess the cementless stem stability. This study aimed to quantitatively investigate the change in the acoustic characteristics between the early and late phases of cementless stem insertion in total hip arthroplasty and to...

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Bibliographic Details
Published in:Arthroplasty today 2023-06, Vol.21, p.101136-101136, Article 101136
Main Authors: Homma, Yasuhiro, Zhuang, Xu, Yanagisawa, Naotake, Ishii, Seiya, Baba, Tomonori, Ishijima, Muneaki
Format: Article
Language:English
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Summary:Listening to the change in the hammering sound is 1 of the elements used to assess the cementless stem stability. This study aimed to quantitatively investigate the change in the acoustic characteristics between the early and late phases of cementless stem insertion in total hip arthroplasty and to identify which patient characteristics contribute to the change in the hammering sound. The acoustic parameters of the hammering sounds in the early and late phases of cementless taper-wedged stem insertion for 51 hips in 45 patients who underwent total hip arthroplasty (mean age = 68 years, height = 1.56 m, weight = 55.0 kg) were analyzed. Parameters including patient’s basic characteristics, radiographical femoral morphology, and canal fill ratio were assessed as potential contributors to the change in the hammering sound. The low-frequency bands (0.5-1.0 kHz and 1.0-1.5 kHz) showed the largest changes during stem insertion and were therefore considered key bands for the analysis of sound alterations. Multivariate linear regression analysis showed that height (β = 8.312, P = .013) and proximal canal fill ratio (β = −3.8568, P = .038) were independently associated with the sound alterations. The decision tree analysis identified height (≥1.66 m or
ISSN:2352-3441
2352-3441
DOI:10.1016/j.artd.2023.101136