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KMID : 0364020070400030215
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Korean Journal of Thoracic and Cardiovascular Surgery
2007 Volume.40 No. 3 p.215 ~ p.219
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Is Preventive Bilateral Surgery Needed in Case of Bilateral Bullae on HRCT at Unilateral Primary Spontaneous Pneumothorax
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Han Jong Hee
Kang Min-Woong
Yu Jeong-Hwan
Kim Yong-Ho
Na Myung-Hoon
Lim Seung-Pyung
Lee Young
Yu Jae-Hyeon
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Abstract
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Background: Due to the advancement of video assisted thoracoscopic techniques, an operation for primary spontaneous pneumothorax is now considered a common procedure. However, whether a preventive operation is necessary when a contralateral bulla is found on High Resolution Computed Tomography (HRCT) at the time of the first primary spontaneous pneumothorax attack is still unknown. In this retrospective study, it was our intension to find whether contralateral bullae are related to the occurrence of pneumothorax.
Materials & Methods: Between January 1999 and April 2006, 550 patients were admitted to the Chungnam University hospital with primary spontaneous pneumothorax, which was confirmed by the HRCT scans in 190 patents. In these 190 patients, 159 had not received a bilateral operation after their first primary spontaneous pneumothorax attack. In these 159 patients, the relationship between the presence of contralateral bullae and the occurrence of pneumothorax was measured.
Results: In these 159 patients, 67 had contralateral bullae confirmed inform the HRCT scan, and 92 had no visible contralateral bullae. During the follow up period, 6 patients (8.9%) with contralateral bullae had an occurrence of contralateral pneumothorax, and 5 patients (5.4%) without contralateral bullae had an occurrence of contralateral pneumothorax. (p=0.529 [Fisher’s exact test])
Conclusion: In patients with unilateral primary pneumothorax, an HRCT scan is a useful way of confirming contralateral pulmonary bullae. However, the presence of bullae is not a significant predictive sign of an occurrence of contralateral pneumothorax. Also, surgery for pneumothorax is not completely uncomplicated, and bilateral surgery is still doubtful. A further prospective study will be required to find the relationship between the bullae found on HRCT and the occurrence of pneumothorax.
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KEYWORD
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Pneumothorax, Tomography, computed, Bleb, Lung surgery
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