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Fiberoptic Bronchoscopy in Coronary Care Unit Patients : Indications, Safety, and Clinical Implications FREE TO VIEW

Donnie P. Dunagan; Henry L. Burke; Suzanne L. Aquino; Robert Chin, Jr.; Norman E. Adair; Edward F. Haponik
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From the Departments of Medicine and Radiology, Wake Forest University School of Medicine, Section of Pulmonary and Critical Care Medicine, Winston-Salem, NC.

Donnie P. Dunagan, MD, Section on Pulmonary and Critical Care Medicine, Wake Forest University Baptist Medical Center, Medical Center Blvd, Winston-Salem, NC 27157-1054

1998 by the American College of Chest Physicians

Chest. 1998;114(6):1660-1667. doi:10.1378/chest.114.6.1660
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Study objectives: To evaluate the indications, safety, therapeutic impact, and outcome of fiberoptic bronchoscopy (FOB) in coronary care unit (CCU) patients.

Design: Retrospective review of all CCU patients undergoing FOB during a 6-year period.

Setting: Tertiary care university hospital.

Results: Among 8,330 patients admitted to the CCU; 40 (0.5%) patients underwent FOB to evaluate pulmonary abnormalities, most often (78%) to appraise clinically suspected pneumonia. Thirty-five (88%) patients were intubated and 21 (53%) had acute myocardial infarction (MI) before FOB. There were two major complications (bleeding, intubation) occurring within 24 h of FOB, one of which appeared due to the procedure. No episodes of chest pain or ischemic events were recorded and no significant increase in major complications was noted in MI patients (3% vs 5%). Patients having FOB within 10 days of MI had higher survival (79%) than those undergoing FOB later (29%) (p = 0.05). Seven different bacterial pathogens were isolated in 6 (15%) patients, probably reflecting prior empiric antibiotics in 32 (80%) patients. Therapy was changed in 64% of patients in whom a potential pathogen was identified. Despite alterations in treatment, patients with clinically suspected pneumonia and any organisms isolated by FOB had greater mortality (79% vs 31%, p = 0.003) than those with sterile FOB cultures.

Conclusion: FOB may be diagnostically useful in the evaluation of pulmonary abnormalities in selected patients with acute cardiac disease, can be performed safely, and may influence management decisions. Positive bronchoscopy cultures often influence therapy but are associated with higher mortality, suggesting a lethal effect of nosocomial pneumonia in this subset of CCU patients. The risks of FOB must be weighed with the impact of FOB results on patient outcome, and its role requires further investigation.




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