Residual limb volume fluctuations in transfemoral amputees.
Residual limb volume fluctuations in transfemoral amputees.
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DOI：
10.1038/s41598-021-91647-9
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发表时间：
2021-06-10
影响因子：
4.6
通讯作者：
Menciassi A
中科院分区：
文献类型：
--
作者：
Paternò L;Ibrahimi M;Rosini E;Menfi G;Monaco V;Gruppioni E;Ricotti L;Menciassi A
这项研究是系统量化经股截肢者残肢体积波动的首次尝试。该研究对 24 名截肢者进行了研究，以调查由于假肢脱落、体力活动和测试时间造成的变化。设计了适当的实验装置，包括 3D 光学扫描仪，以提高截肢者的精确度和可接受性。第一个测试旨在测量脱假肢后 7 个时间点的残肢体积，间隔 10 分钟。这允许评估每个截肢者在假体移除后体积稳定所需的时间。在随后的治疗中，每天两次（上午和下午）对每位截肢者进行 16 次残肢扫描，以评估由于假肢移除和体力活动导致的体积波动。这些测量在不同的三天内重复进行，彼此相隔一周，每个截肢者总共进行了 48 次扫描。假体脱落后体积随时间的波动呈现出两项衰减指数趋势（R2 = 0.97），最初 10 分钟变化最大，平均稳定时间为 30 分钟。经验证，假肢移除和体力活动后残肢体积显着增加。上午和下午收集的测量结果没有观察到差异。临床试验.gov ID：NCT04709367。
This study constitutes the first attempt to systematically quantify residual limb volume fluctuations in transfemoral amputees. The study was carried out on 24 amputees to investigate variations due to prosthesis doffing, physical activity, and testing time. A proper experimental set-up was designed, including a 3D optical scanner to improve precision and acceptability by amputees. The first test session aimed at measuring residual limb volume at 7 time-points, with 10 min intervals, after prosthesis doffing. This allowed for evaluating the time required for volume stabilization after prosthesis removal, for each amputee. In subsequent sessions, 16 residual limb scans in a day for each amputee were captured to evaluate volume fluctuations due to prosthesis removal and physical activity, in two times per day (morning and afternoon). These measurements were repeated in three different days, a week apart from each other, for a total of 48 scans for each amputee. Volume fluctuations over time after prosthesis doffing showed a two-term decay exponential trend (R2 = 0.97), with the highest variation in the initial 10 min and an average stabilization time of 30 min. A statistically significant increase in residual limb volume following both prosthesis removal and physical activity was verified. No differences were observed between measures collected in the morning and in the afternoon. Clinical Trials.gov ID: NCT04709367.
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影响因子：
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