Esperanza Salcedo Lobera, Francisco M. Páez Codeso, Estefania Casado Miranda
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Abstract
Introduction
Transbronchial needle aspiration guided by endobronchial ultrasonography (EBUSTBNA) has the disadvantage of sometimes offering samples of an unsuitable size for an accurate histo-molecular diagnosis. Transbronchial mediastinal cryobiopsy (CRYOEBUS) is a very novel and additional technique to EBUS-TBNA that allows us to obtain larger and quality samples, improving diagnostic performance.
Material and methods
Descriptive study of 110 patients with lesions and/or mediastinal lymphadenopathy who underwent EBUS-TBNA and CRYO-EBUS in a single procedure. Our objective was to analyze the diagnostic profitability and safety of the technique.
Results
CRYO-EBUS obtained samples of 0.42 cm on average compared to 0.14 cm obtained by EBUS-TBNA. The overall diagnostic performance of the techniques was 60% for EBUS-TBNA and 94.5% for CRYO-EBUS. Furthermore, the latter was more sensitive for the diagnosis of both malignant and benign diseases. With a very high security profile.
Conclusions
The CRYO-EBUS technique is cost-effective and safe, and is superior to EBUS-TBNA. Future studies may confirm our findings.
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