Clinical lung cancer · 2021
Feasibility of Performing Transvascular Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration.
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Naaman Rami, Lautenschlaeger Tim, Diab Khalil
Аннотация
BACKGROUND: Thoracic vascular structures often preclude transbronchial access to central lung parenchymal lesions and lymph nodes, thereby necessitating either a surgical or transvascular needle aspiration (TVNA) approach for diagnostic sampling. The aim of this study was to evaluate the safety and efficacy of endobronchial ultrasound (EBUS) TVNA in the diagnosis and staging of mediastinal tumors.
PATIENTS AND METHODS: We performed a retrospective analysis of 35 cases of EBUS-TVNA. Cases were reviewed in the Cerner electronic medical records between March 2013 and October 2018. Records were reviewed for patient comorbidities, smoking status, anticoagulation intake, procedural details, sample results, and postprocedural complications.
RESULTS: Thirty-five EBUS-TVNA procedures were reviewed. Twenty-nine of them were performed by traversing the main pulmonary artery or its branches. Three involved transvascular access through the azygous vein, 2 via the brachiocephalic artery and 1 through the superior vena cava. Only 4 patients (11.4%) experienced postprocedural complications, which included mild hemoptysis, moderate hemoptysis requiring epinephrine and saline infusion, acute exacerbation of chronic obstructive pulmonary disease, and a rapid ventricular rate on top of preexisting atrial fibrillation. The yield of TVNA for malignancy was 22 (95.6%) of 23 patients. Overall yield was 31 (88.6%) of 35, with a need for additional intervention in 4 (11.4%) of 35 patients. Mutational analysis was adequate when ordered.
CONCLUSION: In our single-center experience, the EBUS-TVNA procedure had a high diagnostic yield and was associated with low rates of postprocedural complications. Further trials are needed to assess its efficacy compared to more invasive procedures.
PATIENTS AND METHODS: We performed a retrospective analysis of 35 cases of EBUS-TVNA. Cases were reviewed in the Cerner electronic medical records between March 2013 and October 2018. Records were reviewed for patient comorbidities, smoking status, anticoagulation intake, procedural details, sample results, and postprocedural complications.
RESULTS: Thirty-five EBUS-TVNA procedures were reviewed. Twenty-nine of them were performed by traversing the main pulmonary artery or its branches. Three involved transvascular access through the azygous vein, 2 via the brachiocephalic artery and 1 through the superior vena cava. Only 4 patients (11.4%) experienced postprocedural complications, which included mild hemoptysis, moderate hemoptysis requiring epinephrine and saline infusion, acute exacerbation of chronic obstructive pulmonary disease, and a rapid ventricular rate on top of preexisting atrial fibrillation. The yield of TVNA for malignancy was 22 (95.6%) of 23 patients. Overall yield was 31 (88.6%) of 35, with a need for additional intervention in 4 (11.4%) of 35 patients. Mutational analysis was adequate when ordered.
CONCLUSION: In our single-center experience, the EBUS-TVNA procedure had a high diagnostic yield and was associated with low rates of postprocedural complications. Further trials are needed to assess its efficacy compared to more invasive procedures.