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Ergonomic mastectomy bra design: Effect on core body temperature and thermal comfort performance.
Applied Ergonomics ( IF 3.2 ) Pub Date : 2020-09-07 , DOI: 10.1016/j.apergo.2020.103249
Kaoru Leung 1 , Kristina Shin 1 , Fred Han 2 , Jiao Jiao 3
Affiliation  

The accumulation of sweat and heat between the skin and the prosthesis is one of the common causes of discomfort experienced by post-mastectomy women who wore silicone-type external breast prostheses. This study aimed 1) to investigate the effect of a newly designed heat-reduction mastectomy bra on the thermal responses and thermal comfort performance; and 2) to propose an evaluation protocol for post-mastectomy products. The heat-reduction bra and the conventional bra were made of the same textile materials but the cup of the bra under discussion had a polyurethane cup with a perforated structure along the breast root/inframammary fold. The inframammary fold is often aggravated by heat, sweat, maceration, chafe, and lack of air circulation. Nine healthy male participants were recruited to participate in the study since the women who had undergone double-mastectomy were sensitive about their scars. An ingestible telemetric pill sensor was used to collect the data of core body temperature. Participants performed a 70-min five-phase exercise protocol wearing the heat-reduction bra and the conventional bra together with a silicone prosthesis with ventilation holes on the bottom. Physiological responses (i.e., core body temperature, skin temperature, temperature between bra and prosthesis, skin humidity and humidity between bra and prosthesis) and subjective sensation responses were measured. The results were statistically significant and the conventional mastectomy bra showed a higher core body temperature than that of the heat-reduction mastectomy bra (37.3 ± 0.3 °C to 38.2 ± 0.5 °C vs. 37.2 ± 0.3 °C to 38.0 ± 0.3 °C) starting from the middle of the sitting phase to the running phase and post-exercise resting (F = 164.2, p < 0.001). Both factors, the bra and the phase, have significant effects on the core body temperature (F = 14.5, p < 0.001). The heat-reduction mastectomy bra demonstrated optimum thermal comfort performance in both the temperature and humidity than the conventional mastectomy bra.



中文翻译:

符合人体工程学的乳房切除胸罩设计:对核心体温和热舒适性能的影响。

皮肤和假体之间汗水和热量的积聚是导致乳房切除术后女性佩戴硅胶型外部乳房假体感到不适的常见原因之一。本研究的目的是: 1) 研究新设计的减热乳房切除胸罩对热反应和热舒适性能的影响;2) 提出乳房切除术后产品的评估方案。散热文胸和传统文胸由相同的纺织材料制成,但所讨论的文胸罩杯有一个聚氨酯罩杯,沿着乳房根部/乳房下皱襞具有穿孔结构。乳房下皱襞常因热、汗、浸渍、擦伤和空气流通不足而加重。由于接受双乳房切除术的女性对疤痕很敏感,因此招募了 9 名健康男性参与者参与该研究。可摄入遥测药丸传感器用于收集核心体温数据。参与者穿着减热文胸和传统文胸以及底部带有通风孔的硅胶假体,进行了 70 分钟的五阶段运动方案。测量生理反应(即核心体温、皮肤温度、胸罩和假肢之间的温度、胸罩和假肢之间的皮肤湿度和湿度)和主观感觉反应。结果具有统计学意义,传统乳房切除术胸罩显示出比热量减少乳房切除术胸罩更高的核心体温(37.3 ± 0.3 °C 至 38.2 ± 0.5 °C vs. 37.2 ± 0.3 °C 至 38.0 ± 0.3 °C)从坐姿中期到跑步期和运动后休息(F = 164.2,p < 0.001)。胸罩和相位这两个因素对核心体温都有显着影响(F = 14.5,p < 0.001)。与传统乳房切除术文胸相比,减热乳房切除术文胸在温度和湿度方面均表现出最佳的热舒适性能。

更新日期:2020-09-08
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