Modular versus monoblock stem in revision total hip arthroplasty: a systematic review and meta-analysis

被引:0
|
作者
Zampogna, Biagio [1 ,2 ]
Papalia, Giuseppe Francesco [1 ,2 ]
Parisi, Francesco Rosario [1 ,2 ]
Luciano, Claudia [3 ]
Zampoli, Andrea [1 ,2 ]
Vorini, Ferruccio [1 ,2 ]
Marongiu, Giuseppe [4 ]
Marinozzi, Andrea [1 ,2 ]
Farsetti, Pasquale [3 ]
Papalia, Rocco [1 ,2 ]
机构
[1] Univ Campus Biomed Roma, Dept Orthopaed & Trauma Surg, Rome, Italy
[2] Fdn Policlin Univ Campus Biomed, Res Unit Orthopaed & Trauma Surg, Via Alvaro del Portillo 200, I-00128 Rome, Italy
[3] Univ Roma Tor Vergata, Sect Orthopaed & Traumatol, Dept Clin Sci & Translat Med, Rome, Italy
[4] Univ Cagliari, Dept Surg Sci, Orthopaed Unit, Cagliari, Italy
来源
ANNALS OF JOINT | 2023年 / 8卷
关键词
Modular stem; monoblock stem; revision total hip arthroplasty (rTHA); complication rates; metaanalysis; FLUTED TITANIUM STEMS; SURGERY; DIFFERENCE; PROSTHESES; RISK;
D O I
10.21037/aoj-23-33
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
Background: Total hip arthroplasty (THA) is estimated to grow in the following decades with a consequent increase of THA revisions (rTHA). This systematic review and meta-analysis aims to compare modular and monoblock stem in rTHA surgery, focusing on clinical and radiological outcomes and complication rates. Methods: A literature search was performed using the following search strategy: (( Modular stem) OR (monolithic stem)) AND ( hip review) on PubMed, Scopus, and Cochrane. Randomized controlled trials (RCTs) and observational studies (OS) compared clinical and radiological outcomes, and complication rates for monoblock and modular revision femoral stem were included. The risk of bias was assessed through the Methodological Index for Non-Randomized Studies (MINORS) score. The Review Manager (RevMan) software was used for the meta-analysis. The rate of complications was assessed using odds ratio (OR) with 95% confidence intervals (CIs). Results: The authors included 11 OS and one RCT with 3,671 participants (mean age: 68.4 years old). The mean follow-up was 46.9 months. There was no prevalence of subsidence for one type of stem. Mean subsidence was from 0.92 to 10 mm for modular stem and from 1 to 15 mm for monoblock stem. Postoperative Harris Hip Score (HHS) showed better results with modular stems without statistical significance [mean difference (MD) =1.32; 95% CI: -1.62 to 4.27; P=0.38]. No statistically significant difference was found for dislocations ( OR = 2.48; 95% CI: 0.67 to 9.14; P=0.17), infections (OR =1.07; 95% CI: 0.51 to 2.23; P=0.86), intraoperative fractures ( OR = 1.62; 95% CI: 0.42 to 6.21; P=0.48), and postoperative fractures (OR =1.60; 95% CI: 0.55 to 4.64; P=0.39). Conclusions: Modular and monoblock stems show comparable and satisfactory clinical and radiological outcomes for rTHA. Both stems are valid and effective options for managing femoral bone deficit in hip revision surgery. The main limitation of this study is the small number and low quality of enclosed studies that compared the two stems. Moreover, the modular stem is usually used for more complex cases with lower quality femoral bone stock.
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页数:12
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