Abstract
Severe obstructive sleep apnea in children leads to congestive heart failure. We studied the early changes in left ventricular function across a range of severity of the disorder. A dose-dependent decrease in diastolic function with increased severity of obstructive apnea was demonstrated.
Publication types
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Adolescent
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Blood Flow Velocity / physiology
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Blood Pressure / physiology
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Cardiac Volume / physiology
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Child
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Child, Preschool
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Diastole / physiology
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Echocardiography
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Female
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Heart Failure / diagnosis
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Heart Failure / physiopathology
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Humans
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Male
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Mitral Valve / physiopathology
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Myocardial Contraction / physiology
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Oxygen / blood
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Polysomnography
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Reference Values
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Risk Factors
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Sleep Apnea, Obstructive / diagnosis*
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Sleep Apnea, Obstructive / physiopathology
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Systole / physiology
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Ventricular Dysfunction, Left / diagnosis*
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Ventricular Dysfunction, Left / physiopathology
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Ventricular Function, Left / physiology