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Efficacy of Prophylactic Antibiotic Use in Preventing Post-bronchoscopy Pneumonia in Lung Cancer Patients
Naoki Hayama, Hiroto Takiguchi, Keito Enokida
1Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa 259-1193, Japan. ko-asano@tokai-u.jp.
Objective:
Post-bronchoscopy pneumonia can affect the prognosis of lung cancer patients. This prospective study examined the efficacy of prophylactic antibiotics for lung cancer patients at high-risk of post-bronchoscopy pneumonia, determined by our prediction score, using three risk factors: age 70 years or older, current smoking, and central tumors visualized on CT.
Methods:
Patients with lung cancer who underwent diagnostic bronchoscopy between June 2018 and March 2020 with a score of 2 points or higher were enrolled. Sulbactam/ampicillin was administered intravenously within one hour prior to bronchoscopy, followed by oral clavulanate/amoxicillin for three days. We used the data of lung cancer patients who underwent diagnostic bronchoscopy between April 2012 and July 2014 and exhibited a score of 2 or higher as the historical control.
Results:
Post-bronchoscopy pneumonia occurred in none of the 24 patients in the prophylaxis group and in 17 of 144 patients in the control group, with no significant difference in the incidence of pneumonia between the two groups.
Conclusions:
Antibiotic prophylaxis can be effective and safe for the patients high-risk of post-bronchoscopy pneumonia. A multicenter prospective study to examine the effects of prophylactic antibiotics in high-risk patients is feasible with a modest number of participants.
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