Obstructive Sleep Apnea, Masked Hypertension, and Arterial Stiffness in Men
Obstructive Sleep Apnea, Masked Hypertension, and Arterial Stiffness in Men
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DOI:
10.1038/ajh.2009.246
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发表时间:
2010-03-01
影响因子:
3.2
通讯作者:
Krieger, Eduardo M.
中科院分区:
文献类型:
--
作者:
Drager, Luciano F.;Diegues-Silva, Luzia;Krieger, Eduardo M.
BACKGROUNDObstructive sleep apnea (OSA) is an established cause of hypertension However, it is not clear whether the frequency of masked hypertension in patients with OSA and whether OSA have an independent role on arterial stiffness taking into account ambulatory blood pressure (BP) monitoring (ABPM)METHODSWe evaluated 61 male normotensive participants as determined by casual clinic BP level = 15 events/hour by polysomnography) and 18 age- and body mass index-matched controls without OSA (AHl = 135 or >= 85 mm HgRESULTSThe AHI and lowest oxygen saturation were 26 +/- 16 and 90 +/- 2 vs 528 +/- 210 events/hour and 75 +/- 10% for controls and OSA patients, respectively, P < 0 001. Compared with controls, patients with OSA had higher office systolic BP (113 +/- 9 vs 118 +/- 10 mm Hg, P=0 05) and a higher unadjusted proportion of masked hypertension (2 controls (11.1%)vs 13 patients (30 2%), P < 005) PWV was 87 +/- 0.7, 9.4 +/- 1.0, and 10.6 +/- 1.1 m/s in the control, OSA without and with masked hypertension groups, respectively (P < 0 01 for each comparison) Multiple regression showed that systolic daytime ABPM and the lowest oxygen saturation were independently related to PWV (adjusted R-2 = 0 34, P < 0 01)CONCLUSIONSPatients with OSA presented a higher unadjusted rate of masked hypertension than matched controls. Lowest oxygen saturation has an independent association with arterial stiffness