
Keywords: کسر خروجی بطن چپ; AHI; apnea-hypopnea index; AUC; area under the curve; BNP; brain natriuretic peptide; CSA; central sleep apnea; eâ²; medial anulus eâ² velocity; E/eâ²; the ratio of mitral E velocity to medial anulus eâ² velocity; HF; heart failure; LAVI; left atrial