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Quantitative assessment of foot structure in rheumatoid arthritis by a foot digitizer: detection of deformities even in the absence of erosions

Sophie De Mits UGent, Herman Mielants, Dirk De Clercq UGent, James Woodburn, Philip Roosen UGent and Dirk Elewaut UGent (2012) ARTHRITIS CARE & RESEARCH. 64(11). p.1641-1648
abstract
OBJECTIVE: Foot involvement is a major feature in rheumatoid arthritis (RA), leading to structural deformities. Methods to allow a 3-dimensional (3-D) evaluation of foot structure in RA to be applicable in daily clinical practice have not been evaluated. This study assessed the use of a foot digitizer, a noninvasive 3-D scanner collecting objective quantitative data of the feet, to evaluate the presence of foot structure abnormalities in an RA outpatient cohort. METHODS: Foot digitizer data of RA patients were compared with healthy controls. Subanalyses were performed to find relationships with erosive disease and the presence of swollen and/or tender joints. Linear mixed models were applied with correction, including sex, age, body weight and height, foot length, Disease Activity Score in 28 joints, and disease duration. RESULTS: Forty-one percent of the patients showed >1 abnormal parameter, measured with the 3-D foot scanner. Most differences found were located in the forefoot, the most frequently affected area of the RA foot. Strikingly, even in the absence of joint erosions, marked alterations were found. Comparable differences were also observed between the patients with and without swollen and/or tender joints. Additionally, alterations were not strongly related to foot pain and disability, suggesting the capacity of the foot digitizer to detect early changes in foot structure. CONCLUSION: The results highlight the impact of RA on foot structure, even in the absence of clinical signs of swelling or radiographic erosions. The foot digitizer offers a valuable tool to screen for such foot deformities before the presence of erosions.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
DISABILITY, PREVALENCE, JOINTS, FEET, ANKLE, REMISSION, IMPACT SCALE, FUNCTION INDEX, DISEASE-ACTIVITY, FOREFOOT
journal title
ARTHRITIS CARE & RESEARCH
Arthritis Care Res.
volume
64
issue
11
pages
1641 - 1648
Web of Science type
Article
Web of Science id
000310545000002
JCR category
RHEUMATOLOGY
JCR impact factor
3.731 (2012)
JCR rank
9/29 (2012)
JCR quartile
2 (2012)
ISSN
2151-464X
DOI
10.1002/acr.21794
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
3092094
handle
http://hdl.handle.net/1854/LU-3092094
date created
2013-01-14 10:02:17
date last changed
2017-04-06 13:49:03
@article{3092094,
  abstract     = {OBJECTIVE: Foot involvement is a major feature in rheumatoid arthritis (RA), leading to structural deformities. Methods to allow a 3-dimensional (3-D) evaluation of foot structure in RA to be applicable in daily clinical practice have not been evaluated. This study assessed the use of a foot digitizer, a noninvasive 3-D scanner collecting objective quantitative data of the feet, to evaluate the presence of foot structure abnormalities in an RA outpatient cohort.
METHODS: Foot digitizer data of RA patients were compared with healthy controls. Subanalyses were performed to find relationships with erosive disease and the presence of swollen and/or tender joints. Linear mixed models were applied with correction, including sex, age, body weight and height, foot length, Disease Activity Score in 28 joints, and disease duration.
RESULTS: Forty-one percent of the patients showed {\textrangle}1 abnormal parameter, measured with the 3-D foot scanner. Most differences found were located in the forefoot, the most frequently affected area of the RA foot. Strikingly, even in the absence of joint erosions, marked alterations were found. Comparable differences were also observed between the patients with and without swollen and/or tender joints. Additionally, alterations were not strongly related to foot pain and disability, suggesting the capacity of the foot digitizer to detect early changes in foot structure.
CONCLUSION: The results highlight the impact of RA on foot structure, even in the absence of clinical signs of swelling or radiographic erosions. The foot digitizer offers a valuable tool to screen for such foot deformities before the presence of erosions.},
  author       = {De Mits, Sophie and Mielants, Herman and De Clercq, Dirk and Woodburn, James and Roosen, Philip and Elewaut, Dirk},
  issn         = {2151-464X},
  journal      = {ARTHRITIS CARE \& RESEARCH},
  keyword      = {DISABILITY,PREVALENCE,JOINTS,FEET,ANKLE,REMISSION,IMPACT SCALE,FUNCTION INDEX,DISEASE-ACTIVITY,FOREFOOT},
  language     = {eng},
  number       = {11},
  pages        = {1641--1648},
  title        = {Quantitative assessment of foot structure in rheumatoid arthritis by a foot digitizer: detection of deformities even in the absence of erosions},
  url          = {http://dx.doi.org/10.1002/acr.21794},
  volume       = {64},
  year         = {2012},
}

Chicago
De Mits, Sophie, Herman Mielants, Dirk De Clercq, James Woodburn, Philip Roosen, and Dirk Elewaut. 2012. “Quantitative Assessment of Foot Structure in Rheumatoid Arthritis by a Foot Digitizer: Detection of Deformities Even in the Absence of Erosions.” Arthritis Care & Research 64 (11): 1641–1648.
APA
De Mits, S., Mielants, H., De Clercq, D., Woodburn, J., Roosen, P., & Elewaut, D. (2012). Quantitative assessment of foot structure in rheumatoid arthritis by a foot digitizer: detection of deformities even in the absence of erosions. ARTHRITIS CARE & RESEARCH, 64(11), 1641–1648.
Vancouver
1.
De Mits S, Mielants H, De Clercq D, Woodburn J, Roosen P, Elewaut D. Quantitative assessment of foot structure in rheumatoid arthritis by a foot digitizer: detection of deformities even in the absence of erosions. ARTHRITIS CARE & RESEARCH. 2012;64(11):1641–8.
MLA
De Mits, Sophie, Herman Mielants, Dirk De Clercq, et al. “Quantitative Assessment of Foot Structure in Rheumatoid Arthritis by a Foot Digitizer: Detection of Deformities Even in the Absence of Erosions.” ARTHRITIS CARE & RESEARCH 64.11 (2012): 1641–1648. Print.