• J Bronchology Interv Pulmonol · Jan 2017

    Randomized Controlled Trial Comparative Study

    Conventional Transbronchial Needle Aspiration Versus Endobronchial Ultrasound-guided Transbronchial Needle Aspiration, With or Without Rapid On-Site Evaluation, for the Diagnosis of Sarcoidosis: A Randomized Controlled Trial.

    • Karan Madan, Ashesh Dhungana, Anant Mohan, Vijay Hadda, Deepali Jain, Sudheer Arava, Ravindra M Pandey, Gopi C Khilnani, and Randeep Guleria.
    • Departments of *Pulmonary Medicine and Sleep Disorders †Pathology ‡Biostatistics, All India Institute of Medical Sciences (AIIMS), New Delhi, India.
    • J Bronchology Interv Pulmonol. 2017 Jan 1; 24 (1): 48-58.

    BackgroundEndobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) as a standalone modality is superior to conventional TBNA (c-TBNA) for the diagnosis of sarcoidosis. However, the overall yield is not different if combined with endobronchial biopsy (EBB) and transbronchial lung biopsy (TBLB). The utility of rapid on-site evaluation (ROSE) in a comparative evaluation of EBUS-TBNA versus c-TBNA for the diagnosis of sarcoidosis has not been previously evaluated.MethodsEighty patients with suspected sarcoidosis were randomized 1:1:1:1 into 4 groups: c-TBNA without ROSE (TBNA-NR), c-TBNA with ROSE (TBNA-R), EBUS-TBNA without ROSE (EBUS-NR), and EBUS-TBNA with ROSE (EBUS-R). EBB and TBLB were performed in all patients. Primary objective was detection of granulomas for combined procedure. Secondary objectives were individual procedure yields, sedation dose, and procedure duration. Patients without a diagnosis following c-TBNA subsequently underwent EBUS-TBNA.ResultsA total of 74 patients were finally diagnosed with sarcoidosis. Overall, granuloma detection was not significantly different between the 4 groups (68% in TBNA-NR, 89% in TBNA-R, 84% in EBUS-NR, and 83% in EBUS-R groups, P=0.49). The yield of c-TBNA in the TBNA-NR group was lower compared with that in TBNA-R group and EBUS-TBNA in EBUS groups (32%, 72%, 68%, and 67% for TBNA-NR, TBNA-R, EBUS-NR, and EBUS-R groups, respectively, P=0.04). Additional 20% patients were diagnosed when EBUS-TBNA was performed following a nondiagnostic bronchoscopy procedure in the TBNA-NR group. Sedation requirement and procedure duration were significantly lower with c-TBNA as compared with EBUS-TBNA (P<0.001).ConclusionWhen performing TBNA in the setting of suspected sarcoidosis, we found c-TBNA with ROSE and EBUS-TBNA (with or without ROSE) to be superior to c-TBNA alone. Whether c-TBNA with ROSE is equivalent to EBUS-TBNA cannot be determined from our study due to small sample size/low power.

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