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• W2135864170 abstract "Study objective To evaluate causes of failure to be extubated (FTE) after coronary artery bypass graft (CABG) surgery. Design Prospective observational study. Setting Cardiovascular surgical ICU. Patients Four hundred patients undergoing CABG surgery. Following surgery, patients were extubated by a standardized respiratory protocol and were assessed at 8, 24, and 48 h. Patients who could not be extubated at 8 h were designated as FTE, and at 24 and 48 h they were labeled as requiring prolonged mechanical ventilation (PMV) > 24 h and PMV > 48 h, respectively. Measurements and results One hundred sixty-seven patients (41.75%), 27 patients (6.75%), and 21 (5.25%) patients, respectively, could not be extubated at 8, 24, and 48 h. Depressed level of consciousness was the most common reason for FTE in 58 of 167 patients (34.7%). The main cause of depressed level of consciousness was prolonged sedation due to anesthetic agents (51 patients; 30.5%). Hypoxemia was the most common cause for PMV for > 24 h (15 patients) and PMV > 48 h (13 patients). The causes of hypoxemia were cardiogenic and noncardiogenic pulmonary edema, pneumonia, and “hypoxemia of unknown etiology.” Tachypnea due to acid-base disturbances was a reason for FTE and PMV for > 24 h in 27 and 3 patients, respectively. Cardiovascular instability was a rare reason for FTE. Postoperative bleeding was a cause for PMV in 18 patients. Four patients had more than a single reason for FTE at each assessment. Different causes have a variable effect on the duration of mechanical ventilation. Conclusion The causes of PMV are heterogeneous, vary with time, and have a variable impact on the duration of mechanical ventilation required after the patient undergoes CABG surgery. To evaluate causes of failure to be extubated (FTE) after coronary artery bypass graft (CABG) surgery. Prospective observational study. Cardiovascular surgical ICU. Four hundred patients undergoing CABG surgery. Following surgery, patients were extubated by a standardized respiratory protocol and were assessed at 8, 24, and 48 h. Patients who could not be extubated at 8 h were designated as FTE, and at 24 and 48 h they were labeled as requiring prolonged mechanical ventilation (PMV) > 24 h and PMV > 48 h, respectively. One hundred sixty-seven patients (41.75%), 27 patients (6.75%), and 21 (5.25%) patients, respectively, could not be extubated at 8, 24, and 48 h. Depressed level of consciousness was the most common reason for FTE in 58 of 167 patients (34.7%). The main cause of depressed level of consciousness was prolonged sedation due to anesthetic agents (51 patients; 30.5%). Hypoxemia was the most common cause for PMV for > 24 h (15 patients) and PMV > 48 h (13 patients). The causes of hypoxemia were cardiogenic and noncardiogenic pulmonary edema, pneumonia, and “hypoxemia of unknown etiology.” Tachypnea due to acid-base disturbances was a reason for FTE and PMV for > 24 h in 27 and 3 patients, respectively. Cardiovascular instability was a rare reason for FTE. Postoperative bleeding was a cause for PMV in 18 patients. Four patients had more than a single reason for FTE at each assessment. Different causes have a variable effect on the duration of mechanical ventilation. The causes of PMV are heterogeneous, vary with time, and have a variable impact on the duration of mechanical ventilation required after the patient undergoes CABG surgery." @default.
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• W2135864170 date "2002-07-01" @default.
• W2135864170 modified "2023-09-23" @default.
• W2135864170 title "Causes of Prolonged Mechanical Ventilation After Coronary Artery Bypass Surgery" @default.
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• W2135864170 doi "https://doi.org/10.1378/chest.122.1.245" @default.
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