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Determination of Localized Skin Temperature of the Transtibial Residual Limb

Publish Year: 1397
Type: Conference paper
Language: English
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ISNRMED03_051

Index date: 20 January 2019

Determination of Localized Skin Temperature of the Transtibial Residual Limb abstract

Background and Objective Thermal comfort of people with amputation when using prostheses can greatly affect their satisfaction with prosthesis. Unfortunately, due to thermal insulating nature of prosthetic socket and liner materials, it’s so common that heat builds up inside prosthesis soon after wearing prosthesis even in the seating position. Heat and moisture which trapped inside the socket leads to skin maceration and increased friction that cause skin irritation and ulceration. The jeopardizing, unpleasant, and infectious environment inside the prosthetic socket can greatly decrease the quality of life, satisfaction of prosthesis, motivation of amputee to use prosthesis, and amputee social participation. Present study aimed to investigate transtibial residual limb skin temperature while prosthesis was doffed to get an insight into how temperature distributed over its surface. Moreover, possible relationships among some demographic and clinical characteristics with temperature distribution were explored. The results of this investigation can improve prosthetic socket design, prosthetic component manufacturing, and prosthetic material selection.Materials and Methods In this cross sectional study, eight veterans with unilateral transtibial amputation had the inclusion criteria to be enrolled. After collecting demographic information of participant veterans, skin of their residual limb were examined by a physician. Thereafter, it was asked from veterans to sit on a chair while doffing their prosthesis and rest for 30 minutes. Twelve sites in four columns marked over the residual limb to show attachment sites of thermistors. Eleven minutes of skin temperature measurement were conducted. Thereafter, descriptive statistics were used to compare skin temperature measurements for all 12 thermistors. Moreover, any relationship between demographic and clinical characteristics of veterans with residual limb skin temperature was explored. Findings The highest temperature was recorded at middle part of the anteromedial region of transtibial residual limb. The lowest temperature was recorded at the distal of the anteromedial region of transtibial residual limb. Findings of present study revealed that mean of whole temperature of the transtibial residual limb was 27.73±0.83°C. Correlation evaluations revealed that there were no significant relationships between whole residual limb temperature and participants demographic and clinical characteristics.Conclusion Regional temperature distribution revealed that anteromedial and posteromedial regions of the residual limb were warmest and coolest regions, respectively. Prosthetic socket design should also be done by considering residual limb skin temperature. Further investigation of the effects of ambient temperature, blood perfusion, and muscle thickness besides to temperature measurements can provide superior insight regarding the pattern of temperature distribution over the transtibial residual limb.

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Determination of Localized Skin Temperature of the Transtibial Residual Limb authors