Chest
Volume 89, Issue 1, January 1986, Pages 85-87
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Incidence of Fever and Bacteremia following Transbronchial Needle Aspiration

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Fiberoptic bronchoscopy and transbronchial needle aspiration were performed on 50 occasions in 47 afebrile patients. The aspirations were followed by endobronchial or transbronchial biopsies in 22 patients, as well as bronchial brushings and washings where appropriate. Blood for cultures was drawn at 5 and 30 minutes following needle aspiration, as well as at the time of any temperature above 38°C during the 24 hours following the procedure. In five (10 percent) of the 50 cases, there was temperature greater than 38°C(100.4°F) in the 24 hours following the bronchoscopy; in no patient were cultures of blood positive, whether done early after the procedure or at the time of fever. We conclude that transbronchial needle aspiration, a new procedure gaining widespread popularity in diagnostic thoracic medicine, is not associated with clinically detectable bacteremia. This procedure should not require antimicrobial prophylaxis in patients susceptible to endocarditis.

Section snippets

Materials and Methods

All patients undergoing transbronchial needle aspiration for the diagnosis or staging of carcinoma of the lung from April 1, 1984 to March 1, 1985 were included in this study. Informed consent was obtained, and the project was approved by the hospital's human use committee. The evaluations prior to entry included posteroanterior and lateral chest x-ray films, medical history, physical examination, and temperature. Patients excluded were those with fever, clinically evident

Results

Fifty transbronchial needle aspirations performed on 47 patients were entered into the study. The patients ranged in age from 34 to 80 years (mean, 60 years). The transbronchial needle aspiration was followed by transbronchial biopsy or endobronchial biopsy and brushings and washings in 22 of the 50 procedures. The total number of needle aspirations per patient ranged from four to 17 (mean, ten), and the number of times grossly bloody aspirations returned, indicating penetration into a major

Discussion

The transient nature of bacteremia following most procedures and manipulations of mucous membranes is of little consequence in most situations. In those patients with abnormalities of the cardiac valves and chambers or with arteriovenous fistulas or hyperalimentation lines, the risk for seeding these sites with bacteria and eventually causing infective endocarditis is substantial. There is no conclusive evidence of the efficacy of using systemic prophylactic antibiotics in susceptible patients

ACKNOWLEDGMENT

We thank Sgt Warren Parr, pulmonary technician, and Mrs. Lynette Emenzian for typing the manuscript.

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The opinions or assertions contained herein are the private views of the authors and are not to be construed as official or as reflecting the views of the Department of the Army or the Department of Defense.

Manuscript received April 1; revision accepted June 24.

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