Abstract

BackgroundBullectomy with pleural procedure is the most effective means of treating primary spontaneous pneumothorax (PSP). However, recurrences after thoracoscopic bullectomy are unexpectedly frequent. Our aim was to identify the premonitory imaging features after thoracoscopic bullectomy that may associate with recurrences in PSP.MethodsThe medical records of all patients undergoing thoracoscopic bullectomy for PSP between January 2013 and September 2016 were subject to review. A total of 154 procedures performed on 147 patients qualified for study. Clinical outcomes and characteristics of patients were reviewed and serial chest radiographies were assessed, analyzing risk factors for postoperative recurrences.ResultsMedian age of the male-predominant cohort (93.5%) was 19 (range, 15–39) years. Median operative time was 35 min, none reflecting complications. Postoperatively, diaphragmatic tenting was identified in 78 patients (50.6%), and pleural residual cavity was identified by chest radiography in 102 (66.2%). After discharge, remained diaphragmatic tenting (38/154, 24.7%) and pleural residual cavity (52/154, 33.8%) were identified by chest radiography. In univariate analysis, remained diaphragmatic tenting (P=0.026) and length of pleural residual cavity (P=0.024) emerged as risk factors for recurrence; and both reached significance in multivariate analysis (P=0.020 and P=0.018, respectively).ConclusionsRemained diaphragmatic tenting after thoracoscopic surgery for PSP may be associated with the risk of postoperative recurrence.

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