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Background: Our objective was to determine the incidence and optimal management of chylothorax after pulmonary resection with complete thoracic mediastinal lymph node dissection (MLND)., Methods: This is a retrospective review of patients who underwent pulmonary resection with MLND., Results: Between January 2000 and December 2012, 2,838 patients underwent pulmonary resection with MLND by one surgeon (RJC). Forty-one (1.4%) of these patients experienced a chylothorax. Univariate analysis showed that lobectomy (p<0.001), a robotic approach (p=0.03), right-sided operations (p<0.001), and pathologic N2 disease (p=0.007) were significantly associated with the development of chylothorax. Multivariate analysis showed that lobectomy (p=0.011), a robotic approach (p=0.032), and pathologic N2 disease (p=0.027) remained predictors. All patients were initially treated with cessation of oral intake and 200 μg subcutaneous somatostatin every 8 hours. If after 48 hours the chest tube output was less than 450 mL/day and the effluent was clear, patients was given a medium-chain triglyceride (MCT) diet and were observed for 48 hours in the hospital. If the chest tube output remained below 450 mL/day, the chest tube was removed, they were discharged home with directions to continue the MCT diet and to return in 2 weeks. Patients were instructed to consume a high-fat meal 24 hours before their clinic appointment. If the patient's chest roentgenogram was clear at that time, they were considered "treated." This approach was successful in 37 (90%) patients. The 4 patients in whom the initial treatment was unsuccessful underwent reoperation with pleurodesis and duct ligation., Conclusions: Chylothorax after pulmonary resection and MLND occurred in 1.4% of patients. Its incidence was higher in those with pathologic N2 disease and those who underwent robotic resection. Nonoperative therapy is almost always effective., (Copyright © 2014 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)

Background: The primary objective of this study was to evaluate our experience using a completely portal (no access incision) robotic pulmonary lobectomy or segmentectomy., Methods: This was a retrospective review of a consecutive series of patients., Results: From February 2010 until October 2013, 862 robotic operations were performed by 1 surgeon. Of these, 394 were for a planned anatomic pulmonary resection, comprising robotic lobectomy in 282, robotic segmentectomy in 71, and conversions to open in 41 (10 for bleeding, 1 patient required transfusion; and no conversions for bleeding in the last 100 patients). Indications were malignancy in 88%. A median of 17 lymph nodes were removed. Median hospital stay was 2 days. Approximate financial data yielded: median hospital charges, $32,000 per patient (total, $12.6 million); collections, 23.7%; direct costs, $13,800 per patient; and $4,750 profit per patient (total, $1.6 million). Major morbidity occurred in 9.6%. The 30-day operative mortality was 0.25%, and 90-day mortality was 0.5%. Patients reported a median pain score of 2/10 at their 3-week postoperative clinic visit., Conclusions: Robotic lobectomy for cancer offers outstanding results, with excellent lymph node removal and minimal morbidity, mortality, and pain. Despite its costs, it is profitable for the hospital system. Disadvantages include capital costs, the learning curve for the team, and the lack of lung palpation. Robotic surgery is an important tool in the armamentarium for the thoracic surgeon, but its precise role is still evolving., (Copyright © 2014 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)