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  • Title: Endobronchial ultrasound for the diagnosis of peripheral pulmonary lesions. A controlled study with fluoroscopy.
    Author: Sánchez-Font A, Giralt L, Vollmer I, Pijuan L, Gea J, Curull V.
    Journal: Arch Bronconeumol; 2014 May; 50(5):166-71. PubMed ID: 24439465.
    Abstract:
    INTRODUCTION: Fluoroscopy-guided bronchoscopy is usually performed for the diagnosis of peripheral pulmonary lesions (PPL), but the diagnostic yield varies widely among studies. Endobronchial ultrasound (EBUS) can increase the diagnostic yield of bronchoscopic diagnosis of PPL. OBJECTIVE: To compare the diagnostic yield of fluoroscopy-guided bronchoscopy and EBUS with fluoroscopy-guided bronchoscopy in the study of PPL. METHODS: All patients who underwent bronchoscopy to study PPL from January 2009 to December 2012 were prospectively included. 145 consecutive patients were randomly distributed in two groups: EBUS and fluoroscopy (50 patients, 71.3 ± 8.2 years) or fluoroscopy alone (95 patients, 68 ± 10.5 years). The mean diameter of the lesions was 41.97 ± 19.22 mm. Cytological brushing and transbronchial biopsies were obtained. All procedures were performed under fluoroscopic guidance with intravenous conscious sedation. EBUS was performed using an endoscopic ultrasound system equipped with a 20-MHz radial miniprobe introduced via a guide-sheath. Bronchoscopist, cytologist, study protocol, techniques and tools were the same throughout the whole study. RESULTS: 129 (89%) patients had malignant disease. A diagnosis with bronchoscopy was established in 105 (72.4%) patients. EBUS plus fluoroscopy obtained a diagnostic yield in 78% of patients and fluoroscopy alone in 69.5% (non-significant). In contrast, for lesions smaller than 30 mm, EBUS plus fluoroscopy guidance provided significantly greater diagnostic performance than fluoroscopy alone (90 vs. 52%; P=.05). CONCLUSIONS: Bronchoscopy under EBUS plus fluoroscopy guidance is a technique that has become useful for the diagnostic of LPPs, especially those smaller than 30 mm in diameter.
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