Miyata Y, Sasaki K, Guerra G, Dacharux W, Chaiwan P
Sirindhorn School of Prosthetics and Orthotics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
Department of Exercise and Sport Science, St. Mary's University, San Antonio, TX, USA.
Can Prosthet Orthot J. 2023 Dec 26;6(1):41865. doi: 10.33137/cpoj.v6i1.41865. eCollection 2023.
The choice of prosthetic socket interface material significantly affects user comfort and satisfaction. The Affordable Ethylene-Vinyl Acetate Roll-On (AERO) liner was created with the aim of improving functionality and streamlining the wearing process for users.
The purpose of this study was to comprehensively assess user satisfaction, comfort, and durability of the AERO liner and compare it with the common soft Pe-Lite liner.
Fourteen individuals with transtibial amputation participated in this three-month randomized crossover trial study. The Prosthesis Evaluation Questionnaire (PEQ), Expanded Socket Comfort Score (ESCS), and liner thickness measurements were used to comprehensively compare the AERO and Pe-Lite liner.
The AERO liner demonstrated notable improvements in prosthetic comfort and functionality over Pe-Lite liner. After three months use, there was a significant reduction in reported frustration with the AERO liner (p=0.023, r=0.604) in the PEQ subscale. Specific aspects, such as walking with the prosthesis (p=0.030, r=0.601) and odor perception (p=0.024, d=0.579), favored the use of the AERO liner. The expanded socket comfort score (ESCS) revealed significant superiority for the AERO liner "at best" (p=0.04) and "on average" (p=0.02) after one and three months, respectively. Liner thickness analysis showed significant reductions at the mid-patellar tendon location for the AERO liner at one (0.57±0.48) and three months (0.90±0.69, p=0.01) and in the posterior region after three months (0.63±0.64, p=0.05).
Our study highlights the potential advantages of the AERO liner in enhancing comfort and satisfaction. Yet, durability and thinning of the liner when compared to Pe-Lite may be a concern which may eventually affect socket fit. These findings contribute to ongoing efforts to optimize prosthetic interventions and improve the quality of life of individuals with lower limb prosthesis in resource-limited environments.
假肢接受腔界面材料的选择对用户的舒适度和满意度有显著影响。平价乙烯-醋酸乙烯酯滚涂式（AERO）内衬的研发旨在提高功能性并简化用户的穿戴过程。
本研究旨在全面评估AERO内衬的用户满意度、舒适度和耐用性，并将其与常见的软质Pe-Lite内衬进行比较。
14名经胫骨截肢者参与了这项为期三个月的随机交叉试验研究。使用假肢评估问卷（PEQ）、扩展接受腔舒适度评分（ESCS）和内衬厚度测量来全面比较AERO和Pe-Lite内衬。
与Pe-Lite内衬相比，AERO内衬在假肢舒适度和功能性方面有显著改善。使用三个月后，PEQ子量表中报告的对AERO内衬的不满情绪显著降低（p = 0.023，r = 0.604）。具体方面，如佩戴假肢行走（p = 0.030，r = 0.601）和气味感知（p = 0.024，d = 0.579），都更倾向于使用AERO内衬。扩展接受腔舒适度评分（ESCS）显示，分别在使用一个月和三个月后，AERO内衬在“最佳”（p = 0.04）和“平均”（p = 0.02）情况下具有显著优势。内衬厚度分析显示，AERO内衬在髌腱中点位置在使用一个月时（0.57±0.48）和三个月时（0.90±0.69，p = 0.01）以及三个月后在后部区域（0.63±0.64，p = 0.05）厚度均显著减小。
我们的研究突出了AERO内衬在提高舒适度和满意度方面的潜在优势。然而，与Pe-Lite相比，内衬的耐用性和变薄可能是一个问题，最终可能会影响接受腔的贴合度。这些发现有助于持续努力优化假肢干预措施，并提高资源有限环境中下肢假肢使用者的生活质量。
