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BMC Musculoskeletal Disorders
Published in: BMC Musculoskeletal Disorders 1/2020

01-12-2020 | Femoral Fracture | Research article

Modular stem in total hip arthroplasty for patients with trochanter valgus deformity: surgical technique and case series

Authors: Xiangpeng Kong, Wei Chai, Minzhi Yang, Alvin Ong, Jiying Chen, Yan Wang, Yonggang Zhou

Published in: BMC Musculoskeletal Disorders | Issue 1/2020

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Abstract

Background

Trochanter valgus deformity (TVD) is a rare condition of total hip arthroplasty (THA). Femoral osteotomy could be required in correcting the deformity to implant femoral stem in severe TVD. In this study, we described one unpublished technique of reverse sleeve of S-ROM to get through the complex situation. This study aimed to summarize and evaluate its technical challenges, safety and effectiveness.

Methods

From January 2006 to December 2014, we enrolled patients whose sleeves were implanted towards the great trochanter in THA with TVD. Their demographics, perioperative and postoperative information were recorded. To explore its indication, we measured and analyzed the ratio of greater trochanter/lesser trochanter (G/L ratio) and trochanter valgus angle (TVA).

Results

Twelve patients (1 male and 11 female, average age 42.30 ± 10.23) had mean follow-up of 6 years. Among them, only two patients had intraoperative femoral fracture. The survivorship of femoral prosthesis was 100%. The Harris hip score (HHS) increased from preoperative 34.31 ± 14.43 to postoperative 84.12 ± 11.33. All patients’ G/L ratio were larger than 1.50.

Conclusions

The reverse sleeve of S-ROM was a reliable method for the patients with severe TVD, which brought satisfying clinical outcomes in mid-term follow-up.
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Metadata
Title
Modular stem in total hip arthroplasty for patients with trochanter valgus deformity: surgical technique and case series
Authors
Xiangpeng Kong
Wei Chai
Minzhi Yang
Alvin Ong
Jiying Chen
Yan Wang
Yonggang Zhou
Publication date
01-12-2020
Publisher
BioMed Central
Published in
BMC Musculoskeletal Disorders / Issue 1/2020
Electronic ISSN: 1471-2474
DOI
https://doi.org/10.1186/s12891-020-3145-4

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