Cheyne-Stokes respiration in patients recovering from acute cardiogenic pulmonary edema.
Cheyne-Stokes respiration is characterized by crescendo-decrescendo fluctuations in tidal volume and respiratory rate interrupted by central apneas. It has long been associated with cardiac disease and has often been cited as a poor prognostic indicator, yet the incidence and immediate significance of CSR in the setting of acute cardiogenic PE is not well defined. Therefore, we studied 95 patients who required MVS because of PE. Breathing patterns were monitored by continuous respiratory inductive plethysmography for a minimum of 12 hours of spontaneous respiration after recovery from PE; CSR was noted in 42 patients (44 percent). There were no significant differences between patients with PE and CSR and those with only PE in regard to LVEF (mean +/- SD, 36 +/- 18 percent vs 33 +/- 16 percent; p = 0.55), reinstitution of MVS within 48 hours (4.8 percent vs 17.0 percent; p = 0.065), or in-hospital mortality (16.7 percent vs 26.4 percent; p = 0.255). We conclude that CSR is a relatively common breathing pattern in patients who required MVS because of cardiogenic PE and does not portend a poor immediate prognosis in this population.[1]References
- Cheyne-Stokes respiration in patients recovering from acute cardiogenic pulmonary edema. Hoffman, R., Agatston, A., Krieger, B. Chest (1990) [Pubmed]
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