Abstract
Purpose
The optimal surgical management of postoperative chylothorax has not been established. Thus, we evaluated the treatment strategy for postoperative chylothorax and identified associated predictors of surgical intervention.
Methods
The subjects of this retrospective study were 50 patients who suffered postoperative chylothorax, representing 4 % of 1235 patients who underwent pulmonary resection between 2008 and 2012. The chylothorax patients were classified into two groups based on their postoperative management: a conservative group and a surgical group. The following parameters were investigated to establish the predictors of surgical intervention for chylothorax: mode of surgery, preoperative complications, intraoperative management, and postoperative clinical status.
Results
Forty-one (82 %) patients were treated conservatively and 9 (18 %) underwent reoperation, as direct or concomitant ligation of the thoracic duct at the point of leakage. The frequency of postoperative chest tube drainage just after initial surgery was significantly greater in the surgical group than the conservative group before oral intake was restarted (448 ± 189 vs. 296 ± 117 ml/12 h, respectively; p = 0.003). Furthermore, it was a significant predictor of reoperation based on a multivariate analysis (p = 0.010).
Conclusions
The amount of chest tube drainage just after surgery and before oral intake was a useful predictor to help us decide on the need for early surgical intervention for postoperative chylothorax.
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