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Journal of Medical Ultrasonics

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01-04-2018 | Original Article

Carotid artery stiffness evaluated early by wave intensity in normal left ventricular function in post-radiotherapy patients with nasopharyngeal carcinoma

Authors: Zhuo Zhang, Runlan Luo, Bijun Tan, Jing Qian, Yanfang Duan, Nan Wang, Guangsen Li

Published in: Journal of Medical Ultrasonics | Issue 2/2018

Abstract

Purpose

This study aims to assess carotid elasticity early in normal left ventricular function in post-radiotherapy patients with nasopharyngeal carcinoma (NPC) by wave intensity.

Methods

Sixty-seven post-radiotherapy patients all with normal left ventricular function were classified into group NPC1 and group NPC2 based on their carotid intima-media thickness. Thirty age- and sex-matched NPC patients without any history of irradiation and chemotherapy were included as a control group. Carotid parameters, including stiffness constant (β), pressure–strain elastic modulus (Ep), arterial compliance (AC), stiffness constant pulse wave velocity (PWVβ), and wave intensity pulse wave velocity (PWVWI) were measured.

Results

There were no significant differences in conventional echocardiographic variables among the three groups. In comparison with the control group, β, Ep, PWVβ, and PWVWI were significantly increased, while AC was significantly decreased in the NPC1 and NPC2 groups, and there were differences between the NPC1 group and NPC2 group (all P < 0.05).

Conclusion

This study suggested that carotid artery stiffness increased with reduced carotid compliance in post-RT with NPC.

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Title: Carotid artery stiffness evaluated early by wave intensity in normal left ventricular function in post-radiotherapy patients with nasopharyngeal carcinoma
Authors: Zhuo Zhang
Runlan Luo
Bijun Tan
Jing Qian
Yanfang Duan
Nan Wang
Guangsen Li
Publication date: 01-04-2018
Publisher: Springer Japan
Published in: Journal of Medical Ultrasonics / Issue 2/2018
Print ISSN: 1346-4523
Electronic ISSN: 1613-2254
DOI: https://doi.org/10.1007/s10396-017-0817-2

At a glance: The STEP trials

Springer Medicine

Carotid artery stiffness evaluated early by wave intensity in normal left ventricular function in post-radiotherapy patients with nasopharyngeal carcinoma

Abstract

Purpose

Methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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