Failure of adaptive servo-ventilation to correct central sleep disorder breathing in a patient with congestive heart failure
S. Chakrabarti
Keywords :
Central sleep apnea, Cheyne–Stokes breathing, adaptive servoventilation.
Citation Information :
Chakrabarti S. Failure of adaptive servo-ventilation to correct central sleep disorder breathing in a patient with congestive heart failure. Indian Sleep Med 2014; 9 (4):186-189.
We report a patient with congestive heart failure secondary to dilated cardiomyopathy who demonstrated central sleep apnea with Cheyne–Stokes breathing (CSA-CSB) on polysomnography. He was put on positive airway pressure therapy with adaptive servoventilation (ASV), which failed to correct the CSA-CSB condition. A backup rate was added with ASV, which eliminated apnea but periodic breathing persisted. Finally, enhanced expiratory rebreathing spacewas added and titrated with ASV to achieve normocapniausing transcutaneous CO2 monitoring that successfully stabilized the patient's breathing.
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