Plantar forces mid-term after hemiarthroplasty with HemiCAP for hallux rigidus

Pernille H Jørsboe; Merete B Speedtsberg; Thomas Kallemose; Jesper Bencke; Jeannette Ø Penny

doi:10.1016/j.fas.2019.05.012

Plantar forces mid-term after hemiarthroplasty with HemiCAP for hallux rigidus

Pernille H Jørsboe, Merete B Speedtsberg, Thomas Kallemose, Jesper Bencke, Jeannette Ø Penny

2 Citations (Scopus)

Abstract

BACKGROUND: The aim of this study was to examine the biomechanical gait effects and range of motion following a proximal hemiarthroplasty with a HemiCap®.

METHODS: Forty-one HemiCAP-operated participants with a mean follow-up time of 5 years had plantar force variables (PFVs) examined and compared with their non-operated foot and a control group. PFVs were compared to the MTPJ1 range of motion (ROM), and pain measured by Visual Analog Scale (VAS).

RESULTS: The HemiCAP participants' operated feet had higher PFVs laterally on the foot and lower PFVs under the hallux. Dorsal ROM of the operated feet was a median 45° (range 10-75) by goniometer and 41.5 (range 16-80) by X-ray. An increase in ROM decreased the forces under the hallux. Most participants were pain-free. No correlation between pain and PFVs was found.

CONCLUSIONS: Increased dorsiflexion decreased the maximum force under the hallux. A mid-term HemiCAP maintains some motion. The decreased PFVs under the hallux may reflect a patient reluctance to load the first ray, although no correlation between plantar forces and pain was found.

Original language	English
Journal	Foot and Ankle Surgery
Volume	26
Issue number	4
Pages (from-to)	432-438
Number of pages	7
ISSN	1268-7731
DOIs	https://doi.org/10.1016/j.fas.2019.05.012
Publication status	Published - 1 Jun 2020

Keywords

Foot pressure mapping
Hallux rigidus
Hemiarthroplasty
HemiCAP
Osteoarthritis
Pedobarography
Range of motion
VAS

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10.1016/j.fas.2019.05.012

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title = "Plantar forces mid-term after hemiarthroplasty with HemiCAP for hallux rigidus",

abstract = "BACKGROUND: The aim of this study was to examine the biomechanical gait effects and range of motion following a proximal hemiarthroplasty with a HemiCap{\textregistered}.METHODS: Forty-one HemiCAP-operated participants with a mean follow-up time of 5 years had plantar force variables (PFVs) examined and compared with their non-operated foot and a control group. PFVs were compared to the MTPJ1 range of motion (ROM), and pain measured by Visual Analog Scale (VAS).RESULTS: The HemiCAP participants' operated feet had higher PFVs laterally on the foot and lower PFVs under the hallux. Dorsal ROM of the operated feet was a median 45° (range 10-75) by goniometer and 41.5 (range 16-80) by X-ray. An increase in ROM decreased the forces under the hallux. Most participants were pain-free. No correlation between pain and PFVs was found.CONCLUSIONS: Increased dorsiflexion decreased the maximum force under the hallux. A mid-term HemiCAP maintains some motion. The decreased PFVs under the hallux may reflect a patient reluctance to load the first ray, although no correlation between plantar forces and pain was found.",

keywords = "Foot pressure mapping, Hallux rigidus, Hemiarthroplasty, HemiCAP, Osteoarthritis, Pedobarography, Range of motion, VAS",

author = "J{\o}rsboe, {Pernille H} and Speedtsberg, {Merete B} and Thomas Kallemose and Jesper Bencke and Penny, {Jeannette {\O}}",

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doi = "10.1016/j.fas.2019.05.012",

language = "English",

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T1 - Plantar forces mid-term after hemiarthroplasty with HemiCAP for hallux rigidus

AU - Jørsboe, Pernille H

AU - Speedtsberg, Merete B

AU - Kallemose, Thomas

AU - Bencke, Jesper

AU - Penny, Jeannette Ø

PY - 2020/6/1

Y1 - 2020/6/1

N2 - BACKGROUND: The aim of this study was to examine the biomechanical gait effects and range of motion following a proximal hemiarthroplasty with a HemiCap®.METHODS: Forty-one HemiCAP-operated participants with a mean follow-up time of 5 years had plantar force variables (PFVs) examined and compared with their non-operated foot and a control group. PFVs were compared to the MTPJ1 range of motion (ROM), and pain measured by Visual Analog Scale (VAS).RESULTS: The HemiCAP participants' operated feet had higher PFVs laterally on the foot and lower PFVs under the hallux. Dorsal ROM of the operated feet was a median 45° (range 10-75) by goniometer and 41.5 (range 16-80) by X-ray. An increase in ROM decreased the forces under the hallux. Most participants were pain-free. No correlation between pain and PFVs was found.CONCLUSIONS: Increased dorsiflexion decreased the maximum force under the hallux. A mid-term HemiCAP maintains some motion. The decreased PFVs under the hallux may reflect a patient reluctance to load the first ray, although no correlation between plantar forces and pain was found.

AB - BACKGROUND: The aim of this study was to examine the biomechanical gait effects and range of motion following a proximal hemiarthroplasty with a HemiCap®.METHODS: Forty-one HemiCAP-operated participants with a mean follow-up time of 5 years had plantar force variables (PFVs) examined and compared with their non-operated foot and a control group. PFVs were compared to the MTPJ1 range of motion (ROM), and pain measured by Visual Analog Scale (VAS).RESULTS: The HemiCAP participants' operated feet had higher PFVs laterally on the foot and lower PFVs under the hallux. Dorsal ROM of the operated feet was a median 45° (range 10-75) by goniometer and 41.5 (range 16-80) by X-ray. An increase in ROM decreased the forces under the hallux. Most participants were pain-free. No correlation between pain and PFVs was found.CONCLUSIONS: Increased dorsiflexion decreased the maximum force under the hallux. A mid-term HemiCAP maintains some motion. The decreased PFVs under the hallux may reflect a patient reluctance to load the first ray, although no correlation between plantar forces and pain was found.

KW - Foot pressure mapping

KW - Hallux rigidus

KW - Hemiarthroplasty

KW - HemiCAP

KW - Osteoarthritis

KW - Pedobarography

KW - Range of motion

KW - VAS

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U2 - 10.1016/j.fas.2019.05.012

DO - 10.1016/j.fas.2019.05.012

M3 - Journal article

C2 - 31153732

VL - 26

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JO - Foot and Ankle Surgery

JF - Foot and Ankle Surgery

SN - 1268-7731

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ER -

Plantar forces mid-term after hemiarthroplasty with HemiCAP for hallux rigidus

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