Table 3. Patient selection for endobronchial valves vs. endobronchial coils.

Imaging or lung volume parameter	Endobronchial valves	Endobronchial coils
TLC >100%	√	√
RV >150%	√	–
RV >175%	√	√
Heterogenous emphysema	√	√
Homogeneous emphysema	√	√
With collateral ventilation	–	√
Without collateral ventilation	√	√

RV, residual volume; TLC, total lung capacity.