How effective is lung reduction surgery for treating copd?

Not for every one. Lung volume reduction surgery is beneficial for a small subgroup of patients with copd. It is not for everyone. Check with your doctor/surgeon.
LVRS. Lung volume reduction surgery or lvrs is for patients with chronic emphysema. Emphysema is loss of the elasticity of the lung tissue, with ballooning or air trapping. Lvrs removes the bad lung tissue, and allows the good lung tissue to take over. Lvrs can be life saving in patients with poor function and emphysema in the upper part of the lung. Lvrs is now performed minimally invasively.