• Am J Emerg Med · Mar 2024

    Simple aspiration for spontaneous pneumothorax in adults: A systematic review and meta-analysis of randomized controlled trials.

    • Jiangli Cheng, Aijia Ma, and Guopeng Liang.
    • Department of Respiratory Care, West China Hospital of Sichuan University, Guoxue Alley 37#, Wuhou District, Chengdu, Sichuan 610041, China.
    • Am J Emerg Med. 2024 Mar 18; 80: 9910699-106.

    BackgroundSpontaneous pneumothorax (SP) is a widespread clinical entity, and methods of managing adult SP remain controversial. The aim of this meta-analysis was to further determine the clinical efficacy and safety of simple aspiration (SA) in comparison to intercostal tube drainage (ITD) during the management of adult SP.MethodsEMBASE, Medline and the Cochrane Central Register of Controlled Trials via Ovid SP were searched (to June 2023) to identify randomized controlled trials (RCT) that reported outcomes of interest after comparing SA with ITD for the management of adult SP.ResultsThe search strategy yielded 1447 citations, of which 10 RCTs enrolling 1044 subjects were included. Compared with the ITD group, the SA group had a significantly lower the initial success rate of the procedure for the management of SP (OR 0.63, 95% CI [0.47-0.86]; P = 0.004). Moreover, SA was associated with a decreased duration of hospitalization (mean difference-2.05 days, 95% CI [-2.66 - -1.44]; P < 0.001) and a decreased need for operation (P = 0.03). For frequently reported adverse events such as subcutaneous emphysema (P = 0.32), bleeding (P = 0.0.26) and wound infection (P = 0.07), no significant difference between the SA and ITD groups was found. There was no significant difference for other outcomes. Subgroup analysis found that there was no significant difference between SA and ITD in terms of the initial success rate, 1-week success rate or any type of adverse event for PSP patients.ConclusionsIn the management of adult SP, the use of SA decreased the initial success rate but also decreased the duration of hospitalization and the need for operation compared with ITD. The incidence of adverse events did not differ between the two approaches. The research plan was registered at PROSPERO, and the registration number was CRD42023436770.Copyright © 2024 Elsevier Inc. All rights reserved.

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