Evaluation of the cardio-ankle vascular index, a new indicator of arterial stiffness independent of blood pressure, in obesity and metabolic syndrome

Noriko Satoh, Akira Shimatsu, Yasuhisa Kato, Rika Araki, Kazunori Koyama, Taiichiro Okajima, Makito Tanabe, Mariko Ooishi, Kazuhiko Kotani, Yoshihiro Ogawa

Research output: Contribution to journalArticle

94 Citations (Scopus)

Abstract

Aortic stiffness is predictive of cardiovascular diseases (CVD) and mortality in lifestyle-related diseases. The cardio-ankle vascular index (CAVI), a new index of arterial stiffness, was recently developed by measuring of pulse wave velocity (PWV) and blood pressure (BP). CAVI is adjusted for BP based on stiffness parameter β and is less influenced by BP, suggesting its superiority over brachial-ankle PWV (baPWV). However, there are currently no reports on the usefulness of CAVI as an atherogenic index in obesity and metabolic syndrome (MS). Among the 325 obese Japanese outpatients enrolled in the multi-centered Japan Obesity and Metabolic Syndrome Study, 216 patients (67%) met the criteria of MS according to the modified National Cholesterol Education Program-Adult Treatment Panel III. CAVI values were significantly higher in MS than in non-MS patients, whereas there was no significant difference in body mass index, total cholesterol, and low-density lipoprotein-cholesterol between both groups. CAVI values were weakly correlated with BP but closely correlated with the severity of MS and MS-related parameters such as hypoadiponectinemia, relative to baPWV. Furthermore, weight-reduction therapy through diet and exercise over a 3-month period significantly decreased CAVI values in parallel with increasing adiponectin. This study demonstrates for the first time that CAVI is a good indicator of arterial stiffness. It is closely correlated with the severity of MS and CVD risks in obesity and independent of BP, and is thus superior to baPWV. Therefore, the determination of arterial stiffness by CAVI may be useful for evaluating and managing the CVD risks of MS patients.

Original languageEnglish
Pages (from-to)1921-1930
Number of pages10
JournalHypertension Research
Volume31
Issue number10
DOIs
Publication statusPublished - Dec 1 2008

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Vascular Stiffness
Ankle
Blood Vessels
Obesity
Blood Pressure
Pulse Wave Analysis
Arm
Cardiovascular Diseases
Cholesterol
Diet Therapy
Exercise Therapy
Adiponectin
Metabolic Diseases
LDL Cholesterol
Life Style
Weight Loss
Japan
Body Mass Index
Outpatients

All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

Evaluation of the cardio-ankle vascular index, a new indicator of arterial stiffness independent of blood pressure, in obesity and metabolic syndrome. / Satoh, Noriko; Shimatsu, Akira; Kato, Yasuhisa; Araki, Rika; Koyama, Kazunori; Okajima, Taiichiro; Tanabe, Makito; Ooishi, Mariko; Kotani, Kazuhiko; Ogawa, Yoshihiro.

In: Hypertension Research, Vol. 31, No. 10, 01.12.2008, p. 1921-1930.

Research output: Contribution to journalArticle

Satoh, Noriko ; Shimatsu, Akira ; Kato, Yasuhisa ; Araki, Rika ; Koyama, Kazunori ; Okajima, Taiichiro ; Tanabe, Makito ; Ooishi, Mariko ; Kotani, Kazuhiko ; Ogawa, Yoshihiro. / Evaluation of the cardio-ankle vascular index, a new indicator of arterial stiffness independent of blood pressure, in obesity and metabolic syndrome. In: Hypertension Research. 2008 ; Vol. 31, No. 10. pp. 1921-1930.
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