Rodney J. Landreneau

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BACKGROUND Chronic obstructive pulmonary disease (COPD) is a progressive lung disease characterized by abnormal cellular responses to cigarette smoke, resulting in tissue destruction and airflow limitation. Autophagy is a degradative process involving lysosomal turnover of cellular components, though its role in human diseases remains unclear. METHODOLOGY(More)
We evaluated the use of a lateral thoracoscopic approach for lung reduction surgery in patients with diffuse emphysema. Sixty-seven patients with a mean age of 61.9 years underwent operation. Operative side was determined by preoperative imaging. The procedures were laser ablation in 10 patients and stapler resection in 57 patients. Ten patients, including(More)
OBJECTIVE Expression of microRNAs by array analysis provides unique profiles for classifying tissues and tumors. The purpose of our study was to examine microRNA expression in Barrett esophagus and esophageal cancer to identify potential markers for disease progression. METHODS MicroRNA was isolated from 35 frozen specimens (10 adenocarcinoma, 10 squamous(More)
Video-assisted thoracic surgery has been adopted by some thoracic surgeons as the preferred approach over thoracotomy for many benign and malignant diseases of the chest. However, little concrete evidence exists to support this technique as the superior approach. This randomized study was carried out to define the advantages of video-assisted lobectomy over(More)
OBJECTIVE To determine whether mediastinal lymph node dissection improves survival compared with mediastinal lymph node sampling in patients undergoing resection for N0 or nonhilar N1, T1, or T2 non-small cell lung cancer. METHODS Patients with non-small cell lung cancer underwent sampling of 2R, 4R, 7, and 10R for right-sided tumors and 5, 6, 7, and 10L(More)
BACKGROUND Esophagectomy is a complex operation and is associated with significant morbidity and mortality. In an attempt to lower morbidity, we have adopted a minimally invasive approach to esophagectomy. OBJECTIVES Our primary objective was to evaluate the outcomes of minimally invasive esophagectomy (MIE) in a large group of patients. Our secondary(More)
BACKGROUND Pulmonary function may improve after surgical resection of the most severely affected lung tissue (lung-reduction surgery) in patients with diffuse emphysema. The basic mechanisms responsible for the improvement, however, are not known. METHODS We studied 20 patients with diffuse emphysema before and at least three months after either a(More)
BACKGROUND Little prospective, multiinstitutional data exist regarding the morbidity and mortality after major pulmonary resections for lung cancer or whether a mediastinal lymph node dissection increases morbidity and mortality. METHODS Prospectively collected 30-day postoperative data was analyzed from 1,111 patients undergoing pulmonary resection who(More)
Gastric cancer is a leading cause of cancer deaths, but analysis of its molecular and clinical characteristics has been complicated by histological and aetiological heterogeneity. Here we describe a comprehensive molecular evaluation of 295 primary gastric adenocarcinomas as part of The Cancer Genome Atlas (TCGA) project. We propose a molecular(More)
BACKGROUND Reflux and postprandial fullness are common after esophagectomy. On occasion, these symptoms have an anatomic basis that requires operative correction. Two such conditions are the following: (1) a diaphragmatic hernia in which bowel herniates into the chest; and (2) a redundant conduit that impairs gastric emptying. The recognition of these(More)