Abstract
Traumatic hemothoraces (HTXs) are common, and tube thoracostomy (TT) insertion is generally the initial management. However, a retained HTX can develop into a fibrothorax or empyema requiring secondary intervention. We hypothesized that irrigation of the thoracic cavity at the time of TT may prevent retained HTX. Pubmed, EMBASE, and Scopus were searched from inception to May 2024. Studies with adult trauma patients with traumatic HTX who received a TT and had patients who underwent thoracic irrigation were included. The primary outcome was failure rate, defined as retained HTX requiring a second intervention. Cumulative analysis was performed with χ2 for dichotomous variables and unpaired t test for continuous variables. A fixed-effects model was applied for meta-analysis. Six studies were included in the analysis; two retrospective and four prospective observational studies. These studies included 1,319 patients (513 irrigated TT, 837 nonirrigated TT). The mean age of patients was 45 years, 81% were male, mean Injury Severity Score was 21, and 42% had penetrating trauma. Failure rate was significantly lower in the irrigation group on cumulative analysis (10.7% vs. 18.2%, p < 0.001) and meta-analysis (effect size, 0.704; 95% confidence interval, 0.218-1.190; I2 = 0.4; p < 0.001]. In addition, on meta-analysis, the irrigation group had a shorter TT duration and hospital and ICU length of stay (all p < 0.05). There were no differences in overall infectious complications, readmission, or mortality; however, all the models favored the irrigation group. Patients who undergo simultaneous TT and thoracic irrigation have a lower rate of retained HTX and require fewer secondary interventions. Thoracic irrigation for traumatic HTX should be considered; however, randomized studies are needed prior to development of guidelines. Systematic Review/Meta-analysis; Level III.
Published Version
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