Background The safety and efficacy of endobronchial ultrasound‐guided transbronchial needle aspiration (EBUS‐TBNA) in patients aged 70 years and older has been established. However, few studies have evaluated the safety, usefulness, and significance of EBUS‐TBNA in patients aged 80 years and older. Methods We retrospectively investigated patients aged 80 years and older who underwent EBUS‐TBNA under local anesthesia. The study period was 10 years; from November 1, 2010 to October 31, 2020. The primary endpoint was the safety of EBUS‐TBNA, which was measured as the incidence of complications associated with the procedure. The secondary endpoints were the overall diagnostic rate, malignant disease diagnosis rate, and malignant disease treatment rate. Results A total of 111 patients were enrolled in the study, and the median age was 82 years (range: 80–89 years). The incidence of complications (the primary endpoint) was 5% (5/111) and comprised oversedation in one case, chest pain in one case, hypoxemia in two cases, and arrhythmia in one case. Regarding the secondary endpoints, the diagnostic rate for all patients was 75% (83/111), and the diagnostic rate of malignant disease was 89% (75/84). Of the 75 patients with malignant disease diagnosed with EBUS‐TBNA, 61 (81%) received tumor‐specific therapy in accordance with their diagnoses. Conclusion EBUS‐TBNA can be considered safe and effective even in patients aged 80 years and older.
Bronchial carcinoid is a rare malignant tumor that is categorized as a typical carcinoid or atypical carcinoid. Many institutions use flexible bronchoscopy for diagnosis. However, due to the hemorrhagic nature of the tumor, the amount of specimen obtained is often small, making it difficult to obtain an accurate diagnosis. The use of rigid bronchoscopy may not only contribute to obtaining a diagnosis but also be beneficial in the treatment plan. The aim of this study was to evaluate the efficacy of rigid bronchoscopic interventions for the diagnosis and treatment of bronchial carcinoids. All patients with bronchial carcinoids who underwent rigid bronchoscopic intervention under general anesthesia at our institution between June 2006 and August 2018 were analyzed retrospectively. Eight patients [3 men and 5 women; median age, 71 years (range 45-82 years)] were eligible for the analysis. None of the cases had accurate subtyping preoperatively before intervention. In contrast, all cases were diagnosed as carcinoid with subtypes (5 patients had typical carcinoid and 3 had atypical carcinoid) following rigid bronchoscopic intervention. All respiratory symptoms improved immediately after the procedure. One instance of bleeding occurred, and was easily controlled by argon plasma coagulation and intraluminal administration of epinephrine under flexible and rigid bronchoscopy. Four patients (3 with typical carcinoid and 1 with atypical carcinoid) underwent radical surgery sequentially, and no recurrences were observed. We conclude that rigid bronchoscopic intervention is safe and effective for accurate diagnosis and improvement of respiratory symptoms in patients with bronchial carcinoids.
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