Transtibial prosthetic socket shape in a developing country: a study to compare initial outcomes in pressure cast hydrostatic and patella tendon bearing designs

Laing, S, Lythgo, N, Lavranos, J and Lee, P 2017, 'Transtibial prosthetic socket shape in a developing country: a study to compare initial outcomes in pressure cast hydrostatic and patella tendon bearing designs', Gait and Posture, vol. 58, pp. 363-368.


Document type: Journal Article
Collection: Journal Articles

Title Transtibial prosthetic socket shape in a developing country: a study to compare initial outcomes in pressure cast hydrostatic and patella tendon bearing designs
Author(s) Laing, S
Lythgo, N
Lavranos, J
Lee, P
Year 2017
Journal name Gait and Posture
Volume number 58
Start page 363
End page 368
Total pages 6
Publisher Elsevier
Abstract This study compared the physical function and comfort level of patients with unilateral transtibial amputation after being fitted with a hand-cast Patella Tendon Bearing (PTB) socket and a pressure-cast (PCAST) hydrocast socket. The latter technique aims to reduce the skill dependency currently required for socket manufacture and fit. The study was conducted at the Vietnamese Training Centre for Orthopaedic Technologies and involved seventeen Vietnamese participants with unilateral transtibial amputation, all of whom were long term users of prosthetics. All participants were fitted with two sockets manufactured using both hand-cast and PCAST techniques with International Committee of the Red Cross components. Walking tests (timed up and go test and six-minute-walk-test), spatio-temporal gait analyses and subjective comfort assessments were completed after a short acclimatisation period with each socket. The participant-preferred socket was also noted. No significant differences were found for the measures of mobility, functional capacity, spatio-temporal gait parameters, gait symmetry, perceived comfort or participant socket preference. The results show the initial patient outcomes are similar when participants are fitted with a hand-cast PTB socket and a PCAST hydrocast sockets. Future work should confirm these findings in a longitudinal trial.
Subject Biomechanics
Rehabilitation and Therapy (excl. Physiotherapy)
Keyword(s) Transtibial amputations
prosthetic socket
developing countries
pressure-casting
Patella-tendon bearing
DOI - identifier 10.1016/j.gaitpost.2017.08.017
Copyright notice © 2017 Elsevier B.V. All rights reserved.
ISSN 0966-6362
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