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Residual-limb skin temperature in transtibial sockets
PEERY JT; LEDOUX WR; KLUTE GK
J REHABIL RES DEV , 2005, vol. 42, n° 2, p. 147-154 Doc n°: 119593 Localisation : Documentation IRR Descripteurs : EB32 - AMPUTATION TRANSTIBIALE - AMPUTATION du PIED , EC162 - MANCHONS EMBOITURES - PROTHESE DE MEMBRE INFERIEUR The insulated environment of the lower-limb prosthesis can result in elevated residual-limb skin temperatures that may contribute to skin initation, blistering, and a reduced quality of life. The design and materials of the prosthetic socket, suspension system, and liner can potentially alleviate these conditions, but the thermal load may vary with activity and location within the socket. To characterize the thermal environment at the skin-prosthesis interface, we made temperature measurements on five transtibial amputees at 14 locations on the residual limbs. After the participants donned their prosthesis and rested in the seated position for 15 min, the mean skin temperatures of their residual limbs increased by 0.8 degrees Celcius. Subsequent walking for 10 min resulted in a 1.7 degrees Celsius total increase in mean skin temperature. Thermal contour maps revealed the skin was coolest at the interior proximal location and warmest across the posterior section, con-elating with areas of low and high perfusion. From the results, we determined that residual-limb skin temperature depends on activity and locality. This information may aid in understanding where and why skin problems develop on lower-limb residual limbs and may provide design requirements for new prosthetic socket systems intended to alleviate temperature-related discomfort. Langue : ANGLAIS |
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