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Thoracic Imaging |
1 From the Department of Diagnostic Imaging, University of Ottawa Hospital, 1053 Carling Ave, Ottawa, Ontario, Canada K1Y 4E9. Received November 10, 1999; revision requested December 21; final revision received August 22, 2000; accepted September 19. Address correspondence to C.J.D. (e-mail: cdennie@ottawahospital.on.ca).
PURPOSE: To determine the safety of early discharge (30 minutes) after transthoracic needle biopsy (TTNB) of the lung.
MATERIALS AND METHODS: In a prospective study of 506 consecutive outpatients who underwent TTNB of the lung, 440 patients underwent fine-needle aspiration biopsy (FNAB) only, and 66 underwent FNAB and core biopsy. Patients were discharged after 30-minute postbiopsy chest radiography if there was no pneumothorax. Patients were discharged after 60-minute chest radiography if they had a stable asymptomatic pneumothorax. These patients were followed up 1 day and/or 1 week after biopsy to identify delayed complications. Patients with a symptomatic or enlarging pneumothorax were treated with an 8-F pigtail catheter attached to a Heimlich valve, discharged, and followed up 24 hours later for chest tube removal.
RESULTS: The pneumothorax rate was 22.9% (116 patients). Eighty-one patients (16.0%) had an asymptomatic pneumothorax, and 33 (6.5%) had a pigtail catheter in place. Seven (1.4%) patients developed a symptomatic pneumothorax after discharge; two of them (0.4%) underwent large-bore chest tube insertion. The other five (1.0%) underwent delayed pigtail catheter insertion. There were no deaths or other major complications.
CONCLUSION: Early discharge after outpatient TTNB of the lung is associated with little morbidity and no mortality.
Index terms: Biopsies, complications, 60.126, 60.4129, 60.458 • Lung, biopsy, 60.126
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