Introduction: Tube thoracostomy is an important treatment for traumatic hemothorax and pneumothorax. The optimal tube diameter remains unclear. To reduce invasiveness, we use small-bore chest tubes (≤20 Fr) for all trauma patients for whom tube thoracostomy is indicated in our emergency department (ED). The aim of this study was to investigate the effectiveness and safety of small-bore tube thoracostomy for traumatic hemothorax or pneumothorax.
Method: We conducted a retrospective observational study at a single emergency medical center. This study included adult patients (≥18 years old) who had undergone tube thoracostomy for chest trauma in the ED during the 5 years from October 2013 to September 2018. We used 20 Fr chest tubes or 8 Fr pigtail catheters. The examined outcome was tube-related complications, such as tube obstruction, retained hemothorax, and unresolved pneumothorax.
Results: A total of 107 tube thoracostomies were performed in 102 patients. The mean Injury Severity Score of these patients was 17.8 (±9.6), and the mean duration of the tube placement period was 3.9 days (±1.8). Eight patients developed tube-related complications (7.8%) (retained hemothorax: 4 patients (3.9%), unresolved pneumothorax: 4 patients (3.9%)). None of these cases were caused by tube obstruction. Although the drainage itself was effective, they underwent definitive invasive interventions to stop bleeding or air leak.
Conclusion: Our study showed that the use of small-bore (≤20 Fr) chest tubes to treat traumatic hemothorax/pneumothorax achieved the purposes of tube thoracostomy. It might be possible to safely manage chest trauma with small-bore chest tubes.
Keywords: Chest trauma; Chest tube; Complications; Tube thoracostomy.
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