Needle wash solution cultures following EBUS-TBNA with or without endobronchial intubation

Respiratory Investigation
Daisuke MinamiKatsuyuki Kiura

Abstract

Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a minimally invasive procedure with a high diagnostic yield in lesions adjacent to the airways. However, complications associated with EBUS-TBNA, such as mediastinitis, have recently been reported. Oral bacteria contamination in punctured lymph nodes can cause severe infections. In the current study, we investigated whether endobronchial intubation using EBUS-TBNA can prevent oral bacterial contamination of punctured lymph nodes. We retrospectively evaluated 80 patients (102 lymph nodes) who had undergone EBUS-TBNA and divided them two groups: Group A comprised 60 patients who had undergone EBUS-TBNA with endobronchial intubation and Group B consisted of 20 patients who had undergone EBUS-TBNA without endobronchial intubation. The patients' medical records were examined and the two groups were compared using the unpaired Student's t-test. EBUS-TBNA needle wash cultures were positive in only two Group A cases (3.3%), but in all 20 Group B cases (100%) (P < 0.05). Except for one case of Mycobacterium tuberculosis, all bacterial isolates yielded typical oropharyngeal commensal flora. Fever (≥ 38.0 °C) was observed in six Group A cases (10%) and two Gro...Continue Reading

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