CPAP Therapy in Obstructive Sleep Apnea Patients With Pulmonary Hypertension

All patients are newly diagnosed Obstructive Sleep Apnea patients performing full night polysmnographic sleep study, whose echocardiographic findings elucidate presence of pulmonary hypertension(PH). These patients seemed to have PH if mPAP ≥25 mmHg . All studied patients were received CPAP therapy with average cumulative adherence ⩾4 h/day of \>70% nights \[380\] obtained from device download with AHI\55 mmHg) degrees. Evidence of PH is found by Doppler echocardiography showing an elevated right ventricular systolic pressure (RVSP).