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Pulmonary capillary wedge pressure (PCWP) and Cheyne-Stokes respiration (CSR) during sleep. (A) Correlation between the pulmonary capillary wedge pressure and CSR severity (apnea-hypopnea index). (B) Reducing PCWP with medical intervention for heart failure improves CSR.
Adapted from Solin P, Bergin P, Richardson M, Kaye DM, Walters EH, Naughton MT. Influence of pulmonary capillary wedge pressure on central apnea in heart failure. Circulation. 1999;99(12):1574-9; with permission.
