Survival after Lung Volume Reduction in Chronic Obstructive Pulmonary Disease
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Implication
Clinical evaluation reveals airway occlusion predicts early death post-lung reduction, indicating limited steroid impact on airway blockage.
Key Points
- Investigate histological determinants of early mortality and the immunomodulatory effects of corticosteroids in patients with severe emphysema undergoing lung volume reduction surgery.
- Evaluated pathological changes in small airways, including inflammatory exudates, mucus occlusion, and lymphoid follicles, in patients undergoing lung volume reduction surgery.
- Assessed the association between airway occlusion and postoperative survival alongside the structural and immunological impacts of corticosteroid therapy.
- Small airway occlusion caused by inflammatory exudates and mucus was strongly associated with early mortality following lung volume reduction surgery.
- Corticosteroid therapy reduced the presence of lymphoid follicles and dampened local immune responses, but failed to alter airway wall thickening or luminal occlusion.
Cite This Study
Hogg et al. (2007) studied this question.