Clinical Study
Volumetric and End-Tidal Capnography for the Detection of Cardiac Output Changes in Mechanically Ventilated Patients Early after Open Heart Surgery
| | Variable | Mean (SD) |
| | Age (years) | 65 ± 9 | | Gender, male/female, n (%) | 29 (88)/4 (12) | | Height (cm) | 177 ± 8 | | Weight (kg) | 87 ± 12 | | Tidal volume (mL·kg−1 predicted body weight) | 6.8 ± 1.1 | | PIP (cmH2O) | 23 ± 2 | | Respiratory rate (min−1) | 12 ± 1 | | Procedure CABG/AVR, n (%) | 26 (79)/7 (21) | | COPD, n (%) | 3 (9) | | Patients receiving nitroglycerin 0–2.5 μg·kg−1·min−1, n (%) | 12 (36) | | Patients receiving nitroprusside 0.8–1.8 μg·kg−1·min−1, n (%) | 2 (6) | | Patients receiving norepinephrine 0.02 μg·kg−1·min−1, n (%) | 1 (3) | | Patients receiving amiodarone 900 mg·24·h−1, n (%) | 1 (3) |
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Data are mean ± SD unless otherwise stated. PIP = peak inspiratory pressure; PEEP = positive end-expiratory pressure; CABG = coronary artery bypass grafting; AVR = aortic valve replacement; COPD = chronic obstructive pulmonary disease.
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