The effect of polyglycolic acid sheet in preventing postoperative recurrent pneumothorax: a prospective cohort study

Abstract Background Primary spontaneous pneumothorax occasionally relapses, even after bullectomy; therefore, coverage of the bullectomy staple line for pleural reinforcement is common in Japan. However, the appropriate covering materials have not yet been determined. Methods This was a longitudinal prospective cohort study. Data were available for patients aged