Chinese Journal of Tissue Engineering Research ›› 2014, Vol. 18 ›› Issue (13): 1981-1987.doi: 10.3969/j.issn.2095-4344.2014.13.003

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Gait parameters in lower extremities of patients in sequela period after unilateral total hip arthroplasty

Zhao Jiang-li1, Wu Pei-hui2, Xu Guang-qing1, Mao Yu-rong1, Liao Wei-ming2, Huang Dong-feng1   

  1. 1Department of Rehabilitation Medicine, 2Department of Joint Surgery, First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China
  • Received:2014-01-24 Online:2014-03-26 Published:2014-03-26
  • Contact: Corresponding author: Mao Yu-rong, Associate chief therapeutist, Department of Rehabilitation Medicine, First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China
  • About author:Zhao Jiang-li, Physiotherapist, Department of Rehabilitation Medicine, First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China

Abstract:

BACKGROUND: Total hip arthroplasty is known to be a successful surgical procedure to alleviate hip pain and to regain gait ability, but there are many debates on whether patients’ gait could reach a normal level several years later.
OBJECTIVE: To investigate spatiotemporal parameter characters of lower extremities in patients during walking in sequela period following unilateral total hip arthroplasty, and to probe into patients’ walking abilities.
METHODS: In accordance with the method of Case Database Data Analysis detected by Motion Reconstruction Laboratory, 14 patients at 5-10 years after total hip arthroplasty served as the experimental group, and 14 matched healthy persons served as the control group. Gait parameters of lower extremities during walking were collected by Vicon Nexus. Spatiotemporal parameter characters of lower extremities during gait cycle were analyzed by using Polygon.
RESULTS AND CONCLUSION: Compared with the control group, walking speed, cadence, stride length and step length decreased, but double support and opposite foot off increased on both affected and unaffected sides in the experimental group (P < 0.05). Both stride time and step time of the operated lower extremities increased (P < 0.05). Foot off of non-operated lower extremities increased (P < 0.05). There was no significant difference in all spatiotemporal parameters between operated and non-operated lower extremities (P > 0.05). The results suggested that gaits of patients showed good gait symmetry at 5-10 years after surgery. However, they do not reach the level that observed in healthy subjects, and walking ability was poorer than normal persons. Systematic rehabilitation training is needed to improve walking ability.


中国组织工程研究杂志出版内容重点:人工关节;骨植入物;脊柱骨折;内固定;数字化骨科;组织工程


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Key words: arthroplasty, replacement, hip, rehabilitation, walking, gait

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