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Experimental and Clinical Study of Staple-Line Reinforcement Using Expanded Polytetrafluoroethylene in Thoracoscopic Bullectomy for Spontaneous Pneumothorax  

문석환 (가톨릭대학교 의과대학 흉부외과학실)
심성보 (가톨릭대학교 의과대학 흉부외과학실)
왕영필 (가톨릭대학교 의과대학 흉부외과학실)
윤정섭 (가톨릭대학교 의과대학 흉부외과학실)
조건현 (가톨릭대학교 의과대학 흉부외과학실)
박재길 (가톨릭대학교 의과대학 흉부외과학실)
박만실 (을지의과대학교 을지병원 흉부외과)
최시영 (가톨릭대학교 의과대학 흉부외과학실)
곽문섭 (가톨릭대학교 의과대학 흉부외과학실)
Publication Information
Journal of Chest Surgery / v.36, no.12, 2003 , pp. 904-910 More about this Journal
Abstract
Thoracoscopic bullectomy (VATS-B) is now the preferred treatment for spontaneous pneumothorax despite of higher recurrence rate than open thoracotomy. Several methods have been used to prevent this problem. The effectiveness of staple line reinforcement (SLR) in VATA-B using endostaplers was assessed by clinical and experimental study. Meterial and Method: In experimental study, canine lungs were harvested immediately (group I N=5) and 48 hours (group II N=5) after stapling. The pressures at which initial air leaks occurred were measured. In clinical study from February 1997 to March 1999, 106 procedures in 104 patients undergoing VATS-B for spontaneous pneumothorax were classified into two groups according to the presence of SLR and were compared. Result: The average pressure of the initial air leakage was significantly higher in SLR than that of staples alone (18$\pm$1.6 vs 48$\pm$3 mm Hg in group I; 23.8$\pm$1.9 vs 54$\pm$4.6 mm Hg in group II, p<0.001). In the clinical data, there were significant differences seen in the duration of drainage, the total length of endostaplers used, and the duration of the postoperative hospital stay between patients with staple alone and patients with SLR (4.4$\pm$1.4 vs 3.1$\pm$1.1 days in duration of drainage, 92.3$\pm$28.1 vs 71.1$\pm$30.6 mm in total length of endostaplers used, 5.9$\pm$1.9 vs 4.6$\pm$1.7 days in postoperative hospital stays, p<0.001). Conclusion: SLR was effective for preventing prolonged air leakage and responsible for shorter hospital stays after VATS-B for the treatment of spontaneous pneumothorax.
Keywords
Pneumothorax; Thoracoscopy; Surgical staplers; Models, experimental;
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