Analysis of 332 fiberoptic bronchoscopies performed in a respiratory intensive care unit: a retrospective study.

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OBJECTIVE: Fiberoptic bronchoscopy (FOB) is widely used in the intensive care unit for diagnostic and therapeutic purposes. Our study aimed to evaluate FOB's indications, complications, and clinical outcomes in our intensive care unit's mechanically ventilated patients and identify the microorganisms grown in bronchoalveolar lavage (BAL) specimens. PATIENTS AND METHODS: Between January 1, 2022, and June 30, 2023, a total of 332 FOBs were performed on 178 patients in the respiratory intensive care unit. RESULTS: Patients' mean age was 64±19.4 years. Females accounted for 65 (36.6%) and males accounted for 113 (63.4%) of the cases. Leading diagnoses included pneumonia (59.5%), acute respiratory distress syndrome (ARDS) (20.7%), sepsis (17.9%), chronic obstructive pulmonary disease (COPD) attack (21.9%), pulmonary embolism (10.1%), lung malignancy (43.8%), hemoptysis (8.9%), heart failure (15.1%), neurological/neuromuscular conditions (8.4%), and post cardiopulmonary resuscitation (CPR) (2.8%). FOB purposes were BAL retrieval (43.6%), secretion clearance (30.4%), guided tracheostomy (11.7%), atelectasis (8.7%), and hemoptysis (5.4%). Hypoxemia marked the primary FOB complication (3.6%). Other issues encompassed hypotension (1.5%), bradycardia (1.2%), bleeding (1.2%), tachycardia (0.9%), and hypertension (0.6%). No statistical significance was found in arterial blood gas pH, arterial partial pressure of oxygen (PaO2), and arterial partial pressure of carbon dioxide (PaCO2) values before and after the FOB procedure (p>0.05). Predominant pathogens in aspiration samples were non-albicans Candida (28.9%), Klebsiella pneumoniae (24.8%), Pseudomonas aeruginosa (14.4%), and Acinetobacter baumannii (11.7%). CONCLUSIONS: FOB is an important diagnostic and therapeutic method with a low complication rate when performed by an experienced team with appropriate indication in the intensive care unit.

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