经股截肢者的血压调节：佩戴假肢的影响

IF 0.4 Q4 ORTHOPEDICS

Journal of Prosthetics and Orthotics Pub Date : 2024-01-01 DOI:10.1097/JPO.0000000000000493

Yasuko Nishioka, Sven Hoekstra, Koshiro Sawada, Takeshi Nakamura, Fumihiro Tajima, Yasuo Mikami

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引用次数: 0

摘要

ABSTRACT 引言本研究旨在探讨佩戴经股置换假肢（FP）对体位变化时血压调节的影响。方法我们招募了 7 名经腿截肢者，他们在佩戴 FP（PROS 测试）和未佩戴 FP（对照 [CON] 测试）的情况下接受了仰头倾斜测试。连续测量了收缩压（SBP）、心率变异性和使用近红外光谱的肌肉血流量。结果在 CON（无 FP）测试中，所有参与者从仰卧位到站立位的收缩压均有所下降（P = 0.001）。相反，在 PROS（佩戴 FP）测试中，体位变化时 SBP 上升（P = 0.001）。结论研究结果表明，经股假肢会增加下肢外周血管阻力并刺激血压反射，有助于在体位改变时稳定循环动态。临床意义由于经股截肢者的循环动力可能会受到阻碍，因此佩戴假肢不仅有助于行走，还能在日常生活活动中对血压调节起到重要作用。

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Blood Pressure Regulation in Persons with a Transfemoral Amputation: Effects of Wearing a Prosthesis

ABSTRACT INTRODUCTION The purpose of this study was to investigate the effect of wearing a transfemoral prosthesis (FP) on blood pressure regulation in response to postural change. METHODS We enrolled seven persons with a transfemoral amputation who underwent a head-up tilt test while wearing an FP (PROS test) and without wearing an FP (control [CON] test). Systolic blood pressure (SBP), heart rate variability, and muscle blood flow using near-infrared spectroscopy were measured continuously. RESULTS In the CON (no FP) test, SBP decreased from supine to standing positions in all participants (P = 0.001). In contrast, in the PROS (wearing an FP) test, SBP increased (P = 0.001) during the postural change. CONCLUSIONS The findings suggest that a transfemoral prosthesis increases peripheral vascular resistance in the lower limbs and stimulates the baroreflex, helping to stabilize the circulatory dynamics upon postural change. CLINICAL RELEVANCE Because circulatory dynamics may be hampered in persons with a transfemoral amputation, wearing a prosthesis not only assists in ambulation but can also play a significant role in blood pressure regulation during activities of daily living.

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来源期刊

Journal of Prosthetics and Orthotics Medicine-Rehabilitation

CiteScore

1.30

自引率

16.70%

发文量

期刊介绍： Published quarterly by the AAOP, JPO: Journal of Prosthetics and Orthotics provides information on new devices, fitting and fabrication techniques, and patient management experiences. The focus is on prosthetics and orthotics, with timely reports from related fields such as orthopaedic research, occupational therapy, physical therapy, orthopaedic surgery, amputation surgery, physical medicine, biomedical engineering, psychology, ethics, and gait analysis. Each issue contains research-based articles reviewed and approved by a highly qualified editorial board and an Academy self-study quiz offering two PCE''s.