CPAP treatment supported by telemedicine does not improve blood pressure in high cardiovascular risk OSA patients: a randomized, controlled trial.

Study Objectives: Obstructive sleep apnea (OSA) has been associated with hypertension, which is one of the intermediary mechanisms leading to increased cardiovascular morbidity. This study aimed at evaluating the effects of a combination of continuous positive airway pressure (CPAP) and telemedicine support on blood pressure (BP) reduction in high cardiovascular risk OSA patients.

Design: A multi-center randomized controlled trial that compared standard CPAP care and CPAP care and a telemedicine intervention.

Low physical activity is a determinant for elevated blood pressure in high cardiovascular risk obstructive sleep apnea.

Introduction: Obstructive sleep apnea (OSA) is associated with cardiovascular morbidity, including hypertension. Beyond the severity of nocturnal hypoxia, other factors such as metabolic abnormalities but also sedentary behaviors and insufficient physical activity may contribute to elevated blood pressure (BP). To clarify the respective role of these factors as determinants of BP in OSA patients, we examined the relationship between BP and anthropometrics, severity of sleep apnea, and objectively measured physical activity and sedentary behaviors.