Aortic pressure augmentation as a marker of cardiovascular risk in obstructive sleep apnea syndrome

Hypertension Research : Official Journal of the Japanese Society of Hypertension
Akiko NodaYasuo Koike

Abstract

Obstructive sleep apnea syndrome (OSAS) is associated with increases in cardiovascular morbidity and mortality. Vascular changes in individuals with OSAS have not been fully elucidated, however. The possible impact of OSAS on the extent of aortic pressure augmentation (AG), an indicator of cardiovascular risk, was investigated. Forty-five consecutive male patients aged 35 to 78 years (56.0+/-9.6 years) who were referred to the sleep clinic of Nagoya University Hospital for screening and treatment of OSAS and 71 age-matched healthy men were enrolled in the study. AG was derived from the pressure waveform measured at the radial artery by applanation tonometry. The number of apnea and hypopnea episodes per hour (apnea-hypopnea index [AHI]) was determined by standard polysomnography. AG was significantly greater in OSAS patients than in controls (9.0+/-4.1 vs. 6.4+/-3.4 mmHg, p<0.001), and it was significantly reduced in 19 OSAS patients treated with continuous positive airway pressure. AG was also significantly correlated with the AHI (r=0.562, p<0.001) and age (r=0.356, p=0.016) but not with the serum concentrations of low and high density lipoprotein-cholesterol, triglyceride, or glycosylated hemoglobin. Stepwise multiple regres...Continue Reading

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Citations

Mar 20, 2013·Pulmonary Medicine·Akiko NodaYoshinari Yasuda
Feb 7, 2015·Sleep & Breathing = Schlaf & Atmung·Ian W SeethoJohn P H Wilding
Apr 16, 2014·Journal of Sleep Research·Ian W SeethoJohn P H Wilding
Mar 1, 2011·International Journal of Cardiology·Marco Matteo CicconePierluigi Carratù
Mar 6, 2009·Hypertension Research : Official Journal of the Japanese Society of Hypertension·Jing GaoCai-Rong Wang
Oct 22, 2010·Hypertension Research : Official Journal of the Japanese Society of Hypertension·Robert J DoonanStella S Daskalopoulou
Dec 3, 2011·Journal of Hypertension·Anaïs HausvaterStella S Daskalopoulou
Jul 4, 2019·Clinical and Experimental Hypertension : CHE·Kazuko KatoNorio Ozaki
Nov 1, 2009·Current Opinion in Pulmonary Medicine

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