• Kozo Nakanishi.
• Department of General Thoracic Surgery, Iizuka Hospital, 3-83 Yoshio, Iizuka, Fukuoka, 820-8505, Japan. konakanishi-ths@umin.ac.jp
• Surg Endosc. 2009 Nov 1; 23 (11): 2515-21.

BackgroundThe outcome of thoracoscopic bullectomy for primary spontaneous pneumothorax (PSP) is not satisfactory. To reduce postoperative pneumothorax recurrence after thoracoscopic bullectomy, an effective and easy surgical method is required. We tried a new method using an absorbable mesh that covered the whole apical visceral pleura.MethodsA total of 157 sides of 143 patients who underwent stapled bullectomy under thoracoscopy for PSP were reviewed retrospectively. In the apical covering group (group A), a 15 x 15-cm(2) absorbable mesh sheet was placed on the apical visceral pleura with fibrin glue. Patients in group B underwent bullectomy alone. Cumulative postoperative recurrence was compared between the groups. Recurrent cases in group A were examined clinicopathologically.ResultsGroup A had 111 cases and group B had 46. There was no operative mortality. Postoperative recurrence occurred in 15 of 157 cases (9.6%): 4 in group A and 11 in group B. The cumulative postoperative 5-year recurrence rate was 3.6% in group A and 23.9% in group B (log-rank test, p = 0.013). In group A, local adhesion was seen at the apical pleurae, and inflammatory changes with foreign body giant cells were seen at the pleura covered with the mesh.ConclusionsPlacement of a wide absorbable mesh with fibrin glue at the apical visceral pleura significantly reduced postoperative recurrence after thoracoscopic bullectomy for PSP. The mesh was thought to act as a foreign body on the pleura and induce local inflammatory adhesion between the apical pleurae after bullectomy. This was an easy and effective symphysial procedure.

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