Delsart P, et al. - Researchers investigated the association between obstructive sleep apnea (OSA) and aortic root diameter among 142 hypertensive patients undergoing continuous positive airway pressure (CPAP) treatment for OSA. They prospectively documented 24-h blood pressure (BP) monitoring of these patients and performed echocardiography to evaluate aortic root diameter. The documented median 24-h systolic and diastolic BP were 130 [120–144] and 74.5 [69–82] mmHg, respectively. Findings demonstrated that the association between aortic root diameter and nocturnal BP persisted on CPAP therapy in OSA patients.