Cardiorespiratory fitness is a strong predictor of the cardio-ankle vascular index in hypertensive middle-aged and elderly Japanese men

Kumpei Tanisawa, Tomoko Ito, Xiaomin Sun, Ryoko Kawakami, Satomi Oshima, Yuko Gando, Zhen Bo Cao, Shizuo Sakamoto, Mitsuru Higuchi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Aim: This study aimed to examine whether cardiorespiratory fitness (CRF) is associated with arterial stiffening, evaluated using the cardio-ankle vascular index (CAVI), independent of visceral fat (VF) in middle-aged and elderly Japanese men. We also examined whether the relationship between CRF and the CAVI is modified by age and/or hypertension. Methods: The CAVI was determined in 157 Japanese men (age range, 30-79 years), including 96 hypertensive subjects (61.1%). CRF was assessed by measuring the peak oxygen uptake (V4O2peak). The subjects were divided into low- and high-CRF groups, and the VF area was assessed using magnetic resonance imaging. Results: The V4O2peak correlated with the CAVI following adjustment for age and body mass index in the middle-aged and elderly groups (all the subjects: r =-0.285, p<0.001; middle-aged: r =-0.240, p= 0.040; elderly: r =-0.225, p=0.049). VF also correlated with the CAVI (r =0.230, p=0.004). A multiple linear regression analysis revealed that age (β=0.406, p<0.001) and the V4O2peak (β=-0.186, p=0.015) were associated with the CAVI independently of VF and the mean blood pressure. Twoway ANCOVA adjusted for age demonstrated that the hypertensive individuals had higher CAVI values than the normotensive individuals in the low-CRF group, whereas no significant differences in the CAVI were observed in the high-CRF group (p for interaction <0.05). Conclusions: In the present study, CRF was found to be associated with the CAVI, independent of age and VF, in hypertensive middle-aged and elderly Japanese men.

Original languageEnglish
Pages (from-to)379-389
Number of pages11
JournalJournal of Atherosclerosis and Thrombosis
Volume22
Issue number4
DOIs
Publication statusPublished - 2014

Fingerprint

Ankle
Blood Vessels
Fats
Intra-Abdominal Fat
Blood pressure
Magnetic resonance
Linear regression
Regression analysis
Cardiorespiratory Fitness
Oxygen
Imaging techniques
Linear Models
Body Mass Index
Regression Analysis
Magnetic Resonance Imaging
Blood Pressure
Hypertension

Keywords

  • Arterial stiffness
  • Cardio-ankle vascular index
  • Cardiorespiratory fitness
  • Hypertension
  • Visceral fat

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Internal Medicine
  • Biochemistry, medical

Cite this

Cardiorespiratory fitness is a strong predictor of the cardio-ankle vascular index in hypertensive middle-aged and elderly Japanese men. / Tanisawa, Kumpei; Ito, Tomoko; Sun, Xiaomin; Kawakami, Ryoko; Oshima, Satomi; Gando, Yuko; Cao, Zhen Bo; Sakamoto, Shizuo; Higuchi, Mitsuru.

In: Journal of Atherosclerosis and Thrombosis, Vol. 22, No. 4, 2014, p. 379-389.

Research output: Contribution to journalArticle

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abstract = "Aim: This study aimed to examine whether cardiorespiratory fitness (CRF) is associated with arterial stiffening, evaluated using the cardio-ankle vascular index (CAVI), independent of visceral fat (VF) in middle-aged and elderly Japanese men. We also examined whether the relationship between CRF and the CAVI is modified by age and/or hypertension. Methods: The CAVI was determined in 157 Japanese men (age range, 30-79 years), including 96 hypertensive subjects (61.1{\%}). CRF was assessed by measuring the peak oxygen uptake (V4O2peak). The subjects were divided into low- and high-CRF groups, and the VF area was assessed using magnetic resonance imaging. Results: The V4O2peak correlated with the CAVI following adjustment for age and body mass index in the middle-aged and elderly groups (all the subjects: r =-0.285, p<0.001; middle-aged: r =-0.240, p= 0.040; elderly: r =-0.225, p=0.049). VF also correlated with the CAVI (r =0.230, p=0.004). A multiple linear regression analysis revealed that age (β=0.406, p<0.001) and the V4O2peak (β=-0.186, p=0.015) were associated with the CAVI independently of VF and the mean blood pressure. Twoway ANCOVA adjusted for age demonstrated that the hypertensive individuals had higher CAVI values than the normotensive individuals in the low-CRF group, whereas no significant differences in the CAVI were observed in the high-CRF group (p for interaction <0.05). Conclusions: In the present study, CRF was found to be associated with the CAVI, independent of age and VF, in hypertensive middle-aged and elderly Japanese men.",
keywords = "Arterial stiffness, Cardio-ankle vascular index, Cardiorespiratory fitness, Hypertension, Visceral fat",
author = "Kumpei Tanisawa and Tomoko Ito and Xiaomin Sun and Ryoko Kawakami and Satomi Oshima and Yuko Gando and Cao, {Zhen Bo} and Shizuo Sakamoto and Mitsuru Higuchi",
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T1 - Cardiorespiratory fitness is a strong predictor of the cardio-ankle vascular index in hypertensive middle-aged and elderly Japanese men

AU - Tanisawa, Kumpei

AU - Ito, Tomoko

AU - Sun, Xiaomin

AU - Kawakami, Ryoko

AU - Oshima, Satomi

AU - Gando, Yuko

AU - Cao, Zhen Bo

AU - Sakamoto, Shizuo

AU - Higuchi, Mitsuru

PY - 2014

Y1 - 2014

N2 - Aim: This study aimed to examine whether cardiorespiratory fitness (CRF) is associated with arterial stiffening, evaluated using the cardio-ankle vascular index (CAVI), independent of visceral fat (VF) in middle-aged and elderly Japanese men. We also examined whether the relationship between CRF and the CAVI is modified by age and/or hypertension. Methods: The CAVI was determined in 157 Japanese men (age range, 30-79 years), including 96 hypertensive subjects (61.1%). CRF was assessed by measuring the peak oxygen uptake (V4O2peak). The subjects were divided into low- and high-CRF groups, and the VF area was assessed using magnetic resonance imaging. Results: The V4O2peak correlated with the CAVI following adjustment for age and body mass index in the middle-aged and elderly groups (all the subjects: r =-0.285, p<0.001; middle-aged: r =-0.240, p= 0.040; elderly: r =-0.225, p=0.049). VF also correlated with the CAVI (r =0.230, p=0.004). A multiple linear regression analysis revealed that age (β=0.406, p<0.001) and the V4O2peak (β=-0.186, p=0.015) were associated with the CAVI independently of VF and the mean blood pressure. Twoway ANCOVA adjusted for age demonstrated that the hypertensive individuals had higher CAVI values than the normotensive individuals in the low-CRF group, whereas no significant differences in the CAVI were observed in the high-CRF group (p for interaction <0.05). Conclusions: In the present study, CRF was found to be associated with the CAVI, independent of age and VF, in hypertensive middle-aged and elderly Japanese men.

AB - Aim: This study aimed to examine whether cardiorespiratory fitness (CRF) is associated with arterial stiffening, evaluated using the cardio-ankle vascular index (CAVI), independent of visceral fat (VF) in middle-aged and elderly Japanese men. We also examined whether the relationship between CRF and the CAVI is modified by age and/or hypertension. Methods: The CAVI was determined in 157 Japanese men (age range, 30-79 years), including 96 hypertensive subjects (61.1%). CRF was assessed by measuring the peak oxygen uptake (V4O2peak). The subjects were divided into low- and high-CRF groups, and the VF area was assessed using magnetic resonance imaging. Results: The V4O2peak correlated with the CAVI following adjustment for age and body mass index in the middle-aged and elderly groups (all the subjects: r =-0.285, p<0.001; middle-aged: r =-0.240, p= 0.040; elderly: r =-0.225, p=0.049). VF also correlated with the CAVI (r =0.230, p=0.004). A multiple linear regression analysis revealed that age (β=0.406, p<0.001) and the V4O2peak (β=-0.186, p=0.015) were associated with the CAVI independently of VF and the mean blood pressure. Twoway ANCOVA adjusted for age demonstrated that the hypertensive individuals had higher CAVI values than the normotensive individuals in the low-CRF group, whereas no significant differences in the CAVI were observed in the high-CRF group (p for interaction <0.05). Conclusions: In the present study, CRF was found to be associated with the CAVI, independent of age and VF, in hypertensive middle-aged and elderly Japanese men.

KW - Arterial stiffness

KW - Cardio-ankle vascular index

KW - Cardiorespiratory fitness

KW - Hypertension

KW - Visceral fat

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