Introduction: Irrigation of the thoracic cavity at tube thoracostomy (TT) placement may decrease the rate of a retained hemothorax (RHTX); however, other resource utilization outcomes have not yet been quantified. This study evaluated the association of thoracic irrigation during TT with the length of stay and outcomes in patients with traumatic hemothorax (HTX).
Methods: A retrospective chart review was performed of adult patients receiving a TT for HTX at a single, urban Level 1 Trauma Center from January 2019 to December 2020. Those who underwent irrigation during TT at the discretion of the trauma surgeon were compared to a control of standard TT without irrigation. Death within 30 d, as well as TTs, placed at outside hospitals, during traumatic arrest or thoracic procedures, and for isolated pneumothoraces were excluded. The primary outcome was the length of stay as hospital-free, ICU-free, and ventilator-free days (30-day benchmark). Subgroup analysis by irrigation volume was conducted using one-way ANOVA testing with P < 0.05 considered statistically significant.
Results: Eighty-two (41.4%) of 198 patients underwent irrigation during TT placement. Secondary interventions, thoracic infections, and TT duration were not statistically different in the irrigated cohort. Hospital-free and ICU-free days were higher in the irrigated patients than in the controls. Groups irrigated with ≥1000 mL had significant more hospital-free days (P = 0.007) than those receiving less than 1000 mL.
Conclusions: Patients with traumatic HTX who underwent thoracic irrigation at the time of TT placement had decreased hospital and ICU days compared to standard TT placement alone. Specifically, our study demonstrated that patients irrigated with a volume of at least 1000 mL had greater hospital-free days compared to those irrigated with less than 1000 mL.
Keywords: Chest tube; Hemothorax; Thoracic irrigation; Thoracostomy.
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