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International Orthopaedics

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01-08-2018 | Original Paper

Effect of arthroscopic resection for discoid lateral meniscus on the axial alignment of the lower limb

Authors: Puyan Zhang, Qichun Zhao, Xifu Shang, Yingming Wang

Published in: International Orthopaedics | Issue 8/2018

Abstract

Purpose

This study was designed to investigate the changes in the lower limb axial alignment and knee joint function after arthroscopic resection of discoid lateral menisci.

Methods

Pre-operative and post-operative full-length weight-bearing radiographs of the lower limb were obtained from 60 patients with discoid lateral menisci from August 2015 to August 2016. Twenty-four patients were treated with meniscectomy and 36 cases were treated with meniscoplasty. The axial alignment of the lower limb was measured, and changes in the lower limb axial alignment before and after surgery were analyzed. The effects of differing degrees of meniscal resection on the lower limb axial alignment were compared and analyzed. Knee joint function on the affected side was scored using the Lysholm knee scoring, Tegner activity, and International Knee Documentation Committee (IKDC) subjective scales before surgery and one, six and 12 months after surgery.

Results

There were apparent changes in the lower limb axial alignment after surgery (p < 0.01). The changes were more conspicuous after a total meniscectomy than a meniscoplasty but were insignificant (p > 0.05). Intragroup comparisons of the Lysholm knee, IKDC, and Tegner scores before and after surgery revealed significant differences (p < 001). However, the differences were not significant between the two surgical approaches (p > 0.05).

Conclusion

For those with considerable genu varum or genu valgum after surgery, individualized therapy should be developed to correct the lower limb axial alignment and to prevent articular cartilage degeneration. Arthroscopic resection of a discoid lateral meniscus greatly improves knee joint function.

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Title: Effect of arthroscopic resection for discoid lateral meniscus on the axial alignment of the lower limb
Authors: Puyan Zhang
Qichun Zhao
Xifu Shang
Yingming Wang
Publication date: 01-08-2018
Publisher: Springer Berlin Heidelberg
Published in: International Orthopaedics / Issue 8/2018
Print ISSN: 0341-2695
Electronic ISSN: 1432-5195
DOI: https://doi.org/10.1007/s00264-018-3944-5

At a glance: The STEP trials

Springer Medicine

Effect of arthroscopic resection for discoid lateral meniscus on the axial alignment of the lower limb

Abstract

Purpose

Methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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