"Incidence and Location of Atelectasis Developed During Bronchoscopy Under General Anesthesia" (I-LOCATE Trial).

"Incidence and Location of Atelectasis Developed During Bronchoscopy Under General Anesthesia" (I-LOCATE Trial). Chest. 2020 Jun 16;: Authors: Sagar AS, Sabath BF, Eapen GA, Song J, Marcoux M, Sarkiss M, Arain MH, Grosu HB, Ost DE, Jimenez CA, Casal RF Abstract BACKGROUND: Despite the many advances in peripheral bronchoscopy, its diagnostic yield remains suboptimal. With the use of cone-beam CT we have recently found atelectasis mimicking lung tumors or obscuring them when using radial-probe endobronchial ultrasound (RP-EBUS), but its incidence remains unknown. RESEARCH QUESTION: Incidence, anatomic location, and risk factors for developing atelectasis during bronchoscopy under general anesthesia. STUDY DESIGN: And Methods: Prospective observational study in which patients undergoing peripheral bronchoscopy under general anesthesia were subject to an atelectasis survey carried out with RP-EBUS under fluoroscopic guidance. The following dependent segments were evaluated: RB 2, 6, 9, and 10; LB2, 6, 9, and 10. Images were categorized either as aerated lung ("snowstorm" pattern) or non-aerated/atelectatic pattern. Categorization was performed by 3 independent readers. RESULTS: 57 patients were enrolled. The overall intra-class correlation agreement among readers was 0.82 (95% CI, 0.71-0.89). Median time from anesthesia induction to atelectasis survey was 33 minutes (range 3 to 94). Fifty-one patients (89%; 95% CI...
Source: Chest - Category: Respiratory Medicine Authors: Tags: Chest Source Type: research