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. 2014 Apr;26(4):501-4.
doi: 10.1589/jpts.26.501. Epub 2014 Apr 23.

Waveform Analysis of the Brachial-ankle Pulse Wave Velocity in Hemiplegic Stroke Patients and Healthy Volunteers: A Pilot Study

Ju-Hyun Kim  1 , Mee-Young Kim  1 , Jeong-Uk Lee  1 , Lim-Kyu Lee  1 , Seung-Min Yang  1 , Hye-Joo Jeon  1 , Won-Deok Lee  1 , Ji-Woong Noh  1 , Taek-Yong Kwak  2 , Tae-Hyun Lee  3 , Jin-Hwan Kim  4 , Yong Huh  5 , Junghwan Kim  6
Affiliations

Waveform Analysis of the Brachial-ankle Pulse Wave Velocity in Hemiplegic Stroke Patients and Healthy Volunteers: A Pilot Study

Ju-Hyun Kim et al. J Phys Ther Sci. 2014 Apr.

Abstract

[Purpose] Brachial-ankle pulse wave velocity (BaPWV), which has been reported as an index of arterial stiffness, is very closely related to cardiovascular risk factors. A high BaPWV indicates high cardiovascular risk. However, BaPWV and pressure waveforms after stroke are not fully understood. [Methods] BaPWV was measured in thirty-two subjects (twenty-two healthy volunteers and ten stroke patients) while they were in the supine position. It was measured in their bilateral upper and lower extremities. [Results] BaPWV was significantly increased in the stroke group compared with the healthy volunteers. It was also significantly increased on both the affected and non-affected sides of stroke patients in the stroke group. Furthermore, analysis of the pressure waveforms showed that the peak pressure was significantly increased in the stroke group compared with the control group. The peak pressure on both the affected and non-affected sides was also significantly greater than in the control group. However, the rise and decay times were significantly decreased in the stroke group compared with the control group. The rise and decay time on both the affected and non-affected sides were also significantly more decreased than in the control group. [Conclusion] The results demonstrated that increased BaPWV and changed pulse waves are closely associated with the pathologic states of hemiplegic stroke patients.

Keywords: Brachial-ankle pulse wave velocity; Pressure waveform; Stroke.

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Figures

Fig. 1.
Fig. 1.
Schematic representation of the measurements of BaPWV for the stroke patients and normal healthy volunteers. BaPWV was determined as described in the Methods section. BaPWV, brachial-ankle pulse wave velocity; H, heart; RtBr and LtBr, right and left brachium; RtAn and LtAn, right and left ankle; Supine P, supine position; NonAS and NAS, non-affected side; AS, affected side; Stroke pt, hemiplegic stroke patients.
See this image and copyright information in PMC

References

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    1. Lee WD, Kim JH, Lee JU, et al. : Differences in rheobase and chronaxie between the paretic and non-paretic sides of hemiplegic stroke patients: a pilot study. J Phys Ther Sci, 2013, 25: 717–719 - PMC - PubMed
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    1. Kim JH, Lee LK, Lee WD, et al. : A review of signal transduction in mechanisms of smooth muscle contraction and its relevance for specialized physical therapy. J Phys Ther Sci, 2013, 25: 129–141

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