触觉振动反馈系统对单侧小腿假肢穿戴者平衡及行走功能的影响

doi:10.3969/j.issn.1006-9771.2021.04.013

Abstract

Abstract: Objective

To observe the effect of the tactile vibration feedback system on the balance and walking function of the unilateral transitional amputees with prostheses.

Methods

From October, 2019 to November 2020, eleven unilateral transtibial amputees with prostheses were selected from our hospital. They performed daily activities for three hours wearing tactile vibration feedback system designed by our department. The patients were evaluated by Performance Oriented Mobility Assessment (POMA), gait analysis and outdoor 1000 meters complex road walking test before and after treatment.

Results

The balance score of the POMA improved (Z = -2.264, P < 0.05), the gait score and total score of the POMA increased significantly (|t| > 6.249, P < 0.001) after treatment. Gait analysis showed that the step length of the affected side improved, the bilateral step time and double support phase shortened, and the walking speed increased (|t| > 2.250, |Z| > 2.756, P < 0.05) after installation. The outdoor 1000 meters complex road walking test showed that the total steps, energy consumption and time decreased (|t| > 2.412, |Z| > 2.045, P < 0.05). All the patients finished the trail, and no discomfort appeared.

Conclusion

The tactile vibration feedback system could safely and effectively improve the balance and walking function of the unilateral transtibial amputees with prostheses.

Key words: vibration feedback, prostheses, transtibial amputation, balance, walking

CLC Number:

R496

Shi-qi WANG,Ya-qian GAO,Ze-hua XU,Heng LIN,Fang-yuan XU,Li YUAN. Effects of Tactile Vibration Feedback System on Balance Function and Walking Ability of Unilateral Transtibial Amputees with Prostheses[J]. 《Chinese Journal of Rehabilitation Theory and Practice》, 2021, 27(4): 472-477.

Figures/Tables 5

References 29

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编号	年龄(岁)	性别	BMI (kg/m²)	截肢原因	截肢部位	假肢穿戴时间(年)	残肢长度(cm)	大腿围(cm)
编号	年龄(岁)	性别	BMI (kg/m²)	截肢原因	截肢部位	假肢穿戴时间(年)	残肢长度(cm)	健侧	患侧
1	20	男	21.37	车祸	右	4	18.2	49.8	42.4
2	62	男	23.44	静脉血栓	左	3	18.5	39.3	37.2
3	27	男	29.49	车祸	左	2	15.5	40.0	43.2
4	65	男	23.05	碎石砸伤	右	3	18.2	43.4	40.9
5	46	女	21.68	车祸	右	2	15.2	38.4	37.3
6	48	男	24.24	机器绞伤	左	1	16.7	52.0	49.8
7	48	男	21.51	电击伤	左	2	17.1	41.1	35.0
8	20	男	18.69	机器绞伤	右	4	17.4	44.0	39.1
9	67	女	24.97	车祸	左	2	16.4	39.2	36.7
10	57	女	28.40	车祸	左	2	18.3	42.7	40.3
11	53	女	23.62	车祸	右	3	17.9	38.5	37.8

项目	穿戴前	穿戴后	t/Z值	P值
平衡评分	10.00(12.00, 9.00)	12.00(13.00, 10.00)	-2.264	0.024
步态评分	7.45±1.13	9.00±1.00	-6.249	< 0.001
总分	18.00±2.37	20.27±2.41	-6.829	< 0.001

项目		穿戴前	穿戴后	t/Z值	P值
步长(cm)	健侧	56.26(61.41, 32.84)	59.98(63.52, 56.47)	-1.689	0.091
步长(cm)	患侧	48.77±12.05	59.25±9.19	-2.966	0.014
步长时间(s)	健侧	0.68±0.15	0.57±0.05	2.447	0.034
步长时间(s)	患侧	0.71±0.21	0.57±0.06	2.250	0.048
单支撑相(s)	健侧	0.50±0.12	0.45±0.05	1.246	0.241
单支撑相(s)	患侧	0.40(0.50, 0.37)	0.41(0.44, 0.39)	-0.889	0.374
双支撑相(s)	健侧	0.47(0.52, 0.28)	0.32(0.42, 0.29)	-2.756	0.006
双支撑相(s)	患侧	0.48(0.61, 0.43)	0.31(0.41, 0.26)	-2.934	0.003
摆动相(s)	健侧	0.41±0.06	0.40±0.04	0.204	0.843
摆动相(s)	患侧	0.49±0.13	0.47±0.05	0.922	0.378
行走速度(cm/s)		79.59±35.25	101.41±15.50	-2.394	0.038

项目	穿戴前	穿戴后	t/Z值	P值
步数	1878(2116, 1821)	1820(2008, 1716)	-2.045	0.041
总耗能(kCal)	86.08±18.86	83.34±19.27	-2.412	0.037
单位耗能(kCal/kg)	1.38±0.24	1.37±0.23	-2.462	0.034
总时间(s)	1021.55(1337.56, 991.62)	998.73(1197.38, 960.42)	-2.223	0.026

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Effects of Tactile Vibration Feedback System on Balance Function and Walking Ability of Unilateral Transtibial Amputees with Prostheses

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