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- W2263014763 abstract "Introduction: TBNA is an established technique for sampling mediastinal nodes in the diagnosis and staging of lung cancer. The advent of EBUS-TBNA has allowed the respiratory physician to access more and sample smaller nodes than conventional TBNA.Aims: To determine the diagnostic yield, sensitivity and specificity of conventional TBNA (cTBNA) and EBUS-TBNA in our unit.Methods: Data collected included patient characteristics, nodes sampled, pathological diagnosis and clinical outcome. Following EBUS introduction, this data was collected prospectively over a 6 month period.Results: 63 cTBNA procedures were performed in the months preceding EBUS introduction. The overall diagnostic yield was 71.43% (n=45) and 46.67% (n=21) of these specimens were from station seven. 78 specimens were acquired via EBUS-TBNA in the first 6 months of the programme. The diagnostic yield was 83.33% (n=65), 42.3% (n=32) samples were from station 7, 28.1% (n=22) from 4R, 5.1% (n=4) from 4L and 9% (n=7) from 10R. Sensitivity for cancer improved from 80.65% in the cTBNA group to 83.33% in the the EBUS-TBNA group despite a dip to 75% in the first 3 months of the programme when analysed seperately. Specificity was 100%. There were no major complications.Conclusions: EBUS-TBNA was associated with improvement in diagnostic yield and sensitivity for lung cancer nodal involvement when compared to conventional technique. A clear learning curve was seen but overcome within 3 months. This improvement in yield and the ability to sample more nodal locations may reduce referral for surgical or repeat procedures." @default.
- W2263014763 created "2016-06-24" @default.
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- W2263014763 date "2011-09-01" @default.
- W2263014763 modified "2023-09-25" @default.
- W2263014763 title "Impact of endobronchial ultrasound guided transbronchial needle aspiration (EBUS-TBNA) in the evaluation of mediastinal adenopathy in lung cancer" @default.
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