Although overall the post-LT FEV1 slope, severity of ACR, and survival among patients with AATD is similar to that of AAT-replete patients with COPD, patients with AATD with double LT have a faster rate of FEV1 decline. These findings support the eligibility of patients with AATD for LT, and suggest the need for additional studies to better understand the difference between single and double LT in AATD.
In a large representative noninstitutionalized US population, we demonstrated an association between emphysema and serum CysC. Active smokers with emphysema had significantly higher CysC levels. These findings suggest that CysC may play a role in the pathogenesis of smoking-related emphysema.
In this single-center study, there was a high concordance between ROSE and the final cytological diagnosis for mediastinal lymph nodes containing granulomas that were sampled by EBUS-TBNA. ROSE may serve to reduce procedure time, enhance sample triaging, and obviate the need for further invasive testing. The only variable associated with increased concordance was the experience of the operator.
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