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Forefoot Function after Hallux Valgus Surgery: A Systematic Review and Meta-Analysis on Plantar Load Measurement.

Duo Wai-Chi Wong^1,2, James Chung-Wai Cheung¹, Jia-Guo Zhao³

¹Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong 999077, China.

Journal of Clinical Medicine

|February 25, 2023

Summary

Hallux valgus (HV) surgeries may worsen forefoot function by reducing plantar load on the hallux. This systematic review found no evidence of improved forefoot function and suggests a potential increased risk of metatarsalgia after HV surgery.

Keywords:

bunion hallux abducto valgus metatarsus primus varus pedobarography postoperative evaluation

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An Anatomical Study of Nerves at Risk During Minimally Invasive Hallux Valgus Surgery

An Anatomical Study of Nerves at Risk During Minimally Invasive Hallux Valgus Surgery

Published on: February 17, 2018

Area of Science:

Orthopedic surgery
Biomechanics
Podiatry

Background:

Hallux valgus (HV) surgery aims to correct skeletal alignment.
The impact of HV surgery on plantar load and forefoot function remains unclear.

Purpose of the Study:

To systematically review and meta-analyze changes in plantar load after hallux valgus surgery.
To assess the biomechanical effects of HV surgery on forefoot function.

Main Methods:

Systematic search of multiple databases (Web of Science, Scopus, PubMed, etc.).
Inclusion of studies assessing pre- and post-operative plantar pressure in HV patients.
Meta-analysis using a random-effects model to evaluate load-related parameters.

Main Results:

HV surgeries reduced plantar load over the hallux region (SMD -0.71), indicating worsened forefoot function.
No statistically significant improvement was observed in other assessed outcomes.
Sensitivity analysis indicated a potential increased risk of transfer metatarsalgia (SMD 0.27).

Conclusions:

Current evidence does not support improved forefoot function from HV surgeries from a biomechanical perspective.
HV surgeries may negatively impact push-off function and increase the risk of metatarsalgia.
Further research into alternative surgical methods is warranted.