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A Multicenter Randomized Controlled Trial of Zephyr Endobronchial Valve Treatment in Heterogeneous Emphysema (TRANSFORM).
RATIONALE: Single-center randomized controlled trials of the Zephyr endobronchial valve (EBV) treatment have demonstrated benefit in severe heterogeneous emphysema. This is the first multicenter study evaluating this ...
Ballooned Intercostal Drain Trial
This study is designed to assess whether a new type of chest drain reduces the number of drains that fall out of or are accidentally removed from the chest cavity (usually requiring another drain to be inserted), without ...