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Effect of a distal weight-bearing implant on visual analog scale scores in 23 transfemoral amputees

Guirao Cano, Lluisa; Samitier Pastor, Beatriza; Maldonado Garrido, Doloresb; Rodriguez-Piñero Duran, Manuelc; Exposito Tirado, Josed; Peraita-Costa, Isabele; Morales-Suarez-Varela, Mariae,f

International Journal of Rehabilitation Research: September 2018 - Volume 41 - Issue 3 - p 258–261
doi: 10.1097/MRR.0000000000000294
Brief research reports

The objective of this interrupted time series clinical trial was to evaluate the effect of a distal weight-bearing implant on well-being in patients with transfemoral amputations using the visual analog scale (VAS). A total of 29 patients from five hospitals with previous transfemoral amputations were surgically implanted with an osseoanchored implant with a distal spacer that allows a direct load on the residuum over the distal surface of the socket. Patients were followed for a 14-month period and assessed presurgically and postsurgically using the VAS. The Wilcoxon test was used to evaluate the differences between variables. VAS mean scores improved significantly after intervention. Significant and clinically meaningful improvements in the VAS score suggest overall improvement in well-being for patients after receiving a distal weight-bearing implant.

aDepartment of Rehabilitation Service, Hospital de Mataro, Mataro

bDepartment of Rehabilitation Service, Hospital Universitario y Politécnico La Fe, Valencia

cDepartment of Rehabilitation Service, Hospital Universitario Virgen Macarena

dDepartment of Rehabilitation Service, Hospital Universitario Virgen del Rocio, Seville

eDepartment of Preventive Medicine and Public Health, Food Science, Toxicology and Legal Medicine, University of Valencia, Burjassot

fCIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain

Correspondence to María Morales-Suarez-Varela, MD, PhD, Unit of Public Health and Environmental Care, Department of Preventive Medicine, University of Valencia, Avda. Vicente Andrés Estellés s/n, 46100 Burjasot, Valencia, Spain Tel: +34 963 544 951; fax: +34 963 544 954; e-mail:

Received November 13, 2017

Accepted April 22, 2018

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