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  • Title: Efficacy of treatments in primary spontaneous pneumothorax: A systematic review and network meta-analysis of randomized clinical trials.
    Author: Vuong NL, Elshafay A, Thao LP, Abdalla AR, Mohyeldin IA, Elsabaa K, Omran ES, Yu F, Hirayama K, Huy NT.
    Journal: Respir Med; 2018 Apr; 137():152-166. PubMed ID: 29605200.
    Abstract:
    BACKGROUND: Primary spontaneous pneumothorax (PSP) remains a significant global health problem. Despite general agreement, an official algorithm for the management of PSP still does not exist. OBJECTIVES: Evaluating the efficacy of all available treatments in PSP. METHODS: A systematic search of 12 electronic databases was performed to identify all randomized controlled trials (RCTs) of any treatments in PSP. The primary endpoint was recurrence incidence; secondary were an immediate success, complication and hospitalization days. All available outcomes were included in frequentist network meta-analysis. RESULTS: 4262 patients of 29 RCTs were included. In patients with first episode of PSP, video-assisted thoracoscopic surgery (VATS), tube drainage and aspiration had no significant difference regarding recurrence. Chemical pleurodesis significantly reduced the recurrent incidence of 46% compared with aspiration and 54% compared with tube drainage. VATS and aspiration significantly decreased hospitalization days compared with tube drainage. In patients with recurrent or persistent PSP, thoracotomy with mechanical pleurodesis has a higher rank than VATS with or without pleurodesis in preventing recurrence, with no significant difference. VATS alone significantly reduced complications compared with all others treatments, except thoracotomy with abrasion. CONCLUSIONS: Aspiration and tube drainage have no significant difference in treating patients with first episode of PSP regarding recurrence. Aspiration reduced hospitalization days when compared with tube drainage. Thoracotomy with mechanical pleurodesis and VATS with or without pleurodesis are not significantly different in preventing recurrence in patients with recurrent or persistent PSP. VATS alone reduced complications compared with others treatments except for thoracotomy with abrasion.
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