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. 2021 Nov:161:1-8.
doi: 10.1016/j.lungcan.2021.08.016. Epub 2021 Aug 31.

Infectious complications of EBUS-TBNA: A nested case-control study using 10-year registry data

Noeul Kang  1 , Sun Hye Shin  1 , Hongseok Yoo  1 , Byung Woo Jhun  1 , Kyungjong Lee  1 , Sang-Won Um  1 , Hojoong Kim  1 , Byeong-Ho Jeong  2
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Free article

Infectious complications of EBUS-TBNA: A nested case-control study using 10-year registry data

Noeul Kang et al. Lung Cancer. 2021 Nov.
Free article

Abstract

Objectives: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) has become a standard procedure, but little is known about its infectious complications. The aim of this study is to evaluate the incidence and risk factors of infectious complications of EBUS-TBNA and its clinical course, including effects on anti-cancer treatment.

Methods: This is a nested case-control study of patients who received EBUS-TBNA and were followed for at least 2 months at Samsung Medical Center from August 2009 to April 2019. Patients with clinical symptoms of infection and correlating chest images were defined as the infection group (n = 33). The controls were randomly selected from patients without infectious complication. Multivariate logistic regression with backward selection was used to identify the risk factors of infectious complications.

Results: Of the 6826 patients, 33 (0.48%) infectious complications were identified, comprising pneumonia (n = 20) and mediastinal infections (n = 13). Target lesions with necrotic features on chest computed tomography (CT) scan (adjusted odds ratio [aOR], 3.08; 95% confidence interval [CI], 1.49-6.40; P = 0.002) and procedures that were performed via the esophagus (aOR, 3.19; 95% CI, 1.47-6.88; P = 0.003) were independently associated with infectious complications. Among patients ultimately diagnosed with cancer, the infection group tended to refuse anti-cancer treatment compared to controls (32/459, 7.0% vs. 5/30, 16.7%; P = 0.066). However, among the patients who received anti-cancer treatment, there was no delay in onset of treatment.

Conclusions: Infectious complications of EBUS-TBNA are rare; however, attention should be paid if the target lesion appears necrotic on chest CT or if the procedure is performed via the esophagus. Although it was not conclusive due to its rarity, patients with infectious complications tended not to receive anti-cancer treatment.

Keywords: Complication; EBUS-TBNA; EUS-B-FNA; Mediastinitis.

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