• Daniela Molena, Benedetto Mungo, Miloslawa Stem, and Anne O Lidor.
• Division of Thoracic Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland. Electronic address: dmolena2@jhmi.edu.
• Semin. Thorac. Cardiovasc. Surg. 2014 Jan 1; 26 (4): 287-94.

AbstractRespiratory complications are the most frequent adverse events in patients undergoing esophagectomy for cancer, and their occurrence may negatively affect postoperative recovery and outcomes. We queried the American College of Surgeons National Surgical Quality Improvement Program dataset to study the rate and influence of pneumonia, unplanned intubation, and ventilator dependency >48 hours on the early outcomes after esophagectomy and risk factors for their development. We included adult patients with an esophageal or gastric cancer diagnosis who were treated with esophagectomy between 2005 and 2012 and grouped them into 2 categories with respect to development of respiratory complications. Early surgical outcomes (including 30-day mortality, overall morbidity, return to operating room, and length of hospital stay) were compared. Risk factors associated with respiratory complications after esophagectomy were assessed using modified Poisson regression. A total of 2945 patients were identified and respiratory complications were observed in 687 (23.3%) of them. We observed a significant decrease in respiratory complication rates after esophagectomy throughout the studied years. Patients who developed respiratory complications were older and had more comorbidities and longer operative time. These patients also had statistically significantly higher rates of 30-day mortality and overall morbidity and were more likely to return to the operating room and to stay in the hospital longer. On multivariable analysis, numerous factors, including advanced age, smoking, alcohol use, dyspnea, history of chronic obstructive pulmonary disease, and prolonged operative time, were found to be risk factors for developing respiratory complications. As the development of respiratory complications leads to worse early surgical outcomes after esophagectomy, efforts should be made to prevent their occurrence by identifying patients with significant risk factors. Copyright © 2014 Elsevier Inc. All rights reserved.

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