[Pleural drainage vs video-assisted minimally invasive surgery in the treatment of spontaneous pneumothorax. A retrospective study].

The most frequent cause of spontaneous pneumothorax is bleb's disease of the lung. Considering that, pnx s. has a remarkable bent for relapsing, we think that it's necessary an aggressive treatment to resolve it. That's because pleural drainage is useful for a symptomatic resolution, VATS for an etiologycal one. To value the real efficacy of the treatment of VATS, we have effected a retrospective research between two classes of patients suffering from pnx s. admitted in our Institute from 1987 until 1991, one treated with pleural drainage (class A, 11 patients) and the other with VATS (class B, 13 patients). 1) Patients treated with pleural drainage were nearly double compared to class B. 2) In class A, the mean value of drainages were nearly double compared to class B. 3) Class A had a number of relapses 10 times more compared to B. 4) Considering the period of hospitalization, class A had a value nearly triple compared to B. 5) We've noticed that the mean value of the cost for episode of pnx s. in class A was more than 15% compared to class B and the cost for patient in class A was nearly double than in class B. We can affirm that, for the treatment of pnx s., the method of VATS rappresents a real success. We're passed from the "symptomatological treatment" of it to an aetiological one, joined to the prophylaxis of the relapse.