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Archives of Orthopaedic and Trauma Surgery

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01-06-2022 | Hip Arthroplasty

Long-term survival of CLS Spotorno femoral stem: a systematic review of literature

Authors: Mandeep Singh Dhillon, Karan Jindal, Prasoon Kumar, Rajesh Kumar Rajnish, Deepak Neradi

Published in: Archives of Orthopaedic and Trauma Surgery | Issue 6/2022

Abstract

Background

CLS Spotorno is a time-tested femoral stem design with excellent early results; the present review was designed to assess the published evidence on CLS Spotorno stem in the literature to evaluate its long-term outcomes and compare it to two other popular stem designs the uncemented Corail™ and the cemented Exeter™ stems.

Research question

Do CLS Spotorno stems provide adequate long-term rates of survival in terms of revisions and functional outcomes?

Methodology

Medline, EMBASE and SCOPUS databases were searched for relevant articles and a total number of 670 hits were obtained, out of which 14 relevant studies were included in this review. Pooled analysis of revisions rates, subsidence and Harris Hip scores (HHS) were done.

Results

All the 14 studies were retrospective in design but had sufficiently large follow-up periods (12.3–27 years, mean 17.1 years). Of the 2459 hips reviewed, the documented revision rate was only 6.2%, with aseptic loosening reported in 3.1% and subsidence > 2 mm in 2.6% cases. The overall survival was similar to reported smaller cohorts of Corail (95% at 12 years) and Exeter stems (100% at 17 years). Varus malposition was seen in 10.6% cases, but it did not show any influence on implant survival or revision rates. Distal pedestal formation was seen in 172 of 805 hips across seven studies, while distal cortical hypertrophy was seen in 70 cases out of 398 hips; these were not related with stem malposition. The overall functional outcome was good, with mean HHS of 88.65 (95% CI = 86.08–91.23, p < 0.01). The improvement in scores from preoperative values (of 43.9 points) were comparable to Corail (43.8) and Exeter (45) stems. Thigh pain was seen in only 41 cases out of 1097 hips.

Conclusion

Despite the limitations due to high heterogeneity of the cumulative data, the review suggests that CLS Spotorno femoral stems provides excellent long-term survival and good hip function. These outcomes are comparable to other commonly utilized femoral stems like the Corail and Exeter.

Level of evidence

IV.

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Title: Long-term survival of CLS Spotorno femoral stem: a systematic review of literature
Authors: Mandeep Singh Dhillon
Karan Jindal
Prasoon Kumar
Rajesh Kumar Rajnish
Deepak Neradi
Publication date: 01-06-2022
Publisher: Springer Berlin Heidelberg
Published in: Archives of Orthopaedic and Trauma Surgery / Issue 6/2022
Print ISSN: 0936-8051
Electronic ISSN: 1434-3916
DOI: https://doi.org/10.1007/s00402-021-03975-0

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Long-term survival of CLS Spotorno femoral stem: a systematic review of literature

Abstract

Background

Research question

Methodology

Results

Conclusion

Level of evidence

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Research question

Methodology

Results

Conclusion

Level of evidence

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