Abstract
The effectiveness of 14-French (14F) pigtail catheters (PCs) compared to 32-40F chest tubes (CTs) in patients with traumatic hemothorax (HTX) and hemopneumothorax (HPTX) is becoming more well known but still lacking. The aim of our study was to analyze our cumulative experience and outcomes with PCs in patients with traumatic HTX/HPTX. We hypothesized that PCs would be as effective as CTs. Using our PC database, we analyzed all trauma patients who required chest drainage for HTX/HPTX from 2008 to 2014. Primary outcomes of interest, comparing PCs to CTs, included initial drainage output in milliliters (mL), tube insertion-related complications, and failure rate. For our statistical analysis, we used the unpaired Student's t test, Chi-square test, and Wilcoxon rank-sum test. We defined statistical significance as P<0.05. During the 7-year period, 496 trauma patients required chest drainage for traumatic HTX/HPTX: 307 by CTs and 189 by PCs. PC patients were older (52±21 vs. 42±19, P<0.001), demonstrated a significantly higher occurrence of blunt trauma (86 vs. 55%, P≤0.001), and had tubes placed in a non-emergent fashion (Day 1 [interquartile range (IQR) 1-3days] for PC placement vs. Day 0 [IQR 0-1days] for CT placement, P<0.001). All primary outcomes of interest were similar, except that the initial drainage output for PCs was higher (425mL [IQR 200-800mL] vs. 300mL [IQR 150-500], P<0.001). Findings for subgroup analysis among emergent and non-emergent PC placement were also similar to CT placement. PCs had similar outcomes to CTs in terms of failure rate and tube insertion-related complications, and the initial drainage output from PCs was not inferior to that of CTs. The usage of PCs was, however, selective. A future multi-center study is needed to provide additional support and information for PC usage in traumatic HTX/HPTX.
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