Predictors of Disease-free Survival and Recurrence in Patients with Resected Bronchial Carcinoid Tumors.

BACKGROUND: Bronchial carcinoids are characterized by neuroendocrine differentiation and have distinct biological behavior, recurrence patterns, and prognosis compared with adenocarcinomas or squamous cell carcinomas. Because of their often indolent nature, it has been suggested that routine postoperative imaging surveillance may not be warranted in the majority of patients. This study aims to define the factors that predict disease-free survival (DFS) and recurrence after resection of these tumors, with the goal of identifying high-risk patients for whom image surveillance may be warranted. METHODS: We conducted a retrospective review of a prospective database to identify patients with completely resected bronchial carcinoid tumors. Surgical procedure, histology, pathological stage, follow-up, tumor recurrence, and survival were assessed. RESULTS: One hundred and forty-two patients were identified. Median age was 62 years and the majority was women (106). Surgical procedures included 20 wedge resections, 10 segmentectomies, 99 lobectomies, 3 bilobectomies, 2 pneumonectomies, 6 sleeve resections, and 2 bronchectomies. Pathologic stages included I (81%), II (10%), III (8%), and IV (1%). With a median follow-up of 31 months, there were seven recurrences. The 5- and 10-year overall survival rates were 92% and 75% and DFS rates were 88% and 72%, respectively. There were 34 patients with atypical carcinoids, and 6 (18%) developed recurrence, compared with 1 recurrence (1%) in the group of 108 patients with typical carcinoids (p = 0.0008). For atypical carcinoid tumors, the 5- and 10-year DFS rates were 72% and 32% versus 92% and 85% in typical carcinoid tumors (p = 0.001). Patients with more advanced tumor stage pT2-4 and pathologic N1/N2 nodal metastases had a significantly decreased 5- and 10-year DFS compared with those with early pT1 stage (p = 0.029) or those without nodal disease (p = 0.043). Multivariate Cox regression analyses showed advancing age (p = 0.001), atypical histology (p = 0.021), and advanced tumor stage (p = 0.047) were significant negative predictors for DFS. CONCLUSION: Long-term survival after resection of bronchial carcinoids is common, especially for patients with typical carcinoid tumors. DFS can be negatively influenced by atypical histology, advanced tumor, and nodal statuses. Efforts at postoperative image surveillance should target those patients with such high-risk factors.

Perioperative Outcomes after Lung Resection in Obese Patients.

BACKGROUND: Obesity is a growing epidemic in the developed world. However, little is known about the impact of obesity on the perioperative morbidity and mortality after lung resection. PATIENTS AND METHODS: We analyzed the American College of Surgeons National Surgical Quality Improvement Program database from 2005 to 2010 to determine whether obesity is a risk factor for perioperative morbidity and mortality after pulmonary resection. Demographic, clinical, intraoperative, and morbidity and mortality data were collected. Multivariable predictors of morbidity and mortality were determined using regression analysis. RESULTS: A total of 5,216 lung resections were identified (1,372 wedges, 3,713 lobectomies, and 131 pneumonectomies). The median age was 66 years and 2,587 (49.6%) were females. The body mass index (BMI, kg/m(2)) of the patients was as follows: 192 (3.7%) < 18.5; 1,727 (33.1%) 18.5 to 24.9; 1,754 (33.6%) 25 to 29.9; and 1,488 (28.5%) > 30. In-hospital mortality and all-cause morbidity was 2.4% (n = 127) and 14.5% (n = 757) for the entire cohort of patients, respectively. BMI was not found to be a predictor of increased mortality or morbidity, even in the morbidly obese (BMI > 35). Rather, age, approach (video-assisted thoracoscopic surgery vs. open), parameters assessing performance status, operative time, and preoperative radiation therapy were the predictors of morbidity and mortality. Conversely, being overweight (BMI 25-30) approached significance as a multivariate predictor for decreased pulmonary complications (odds ratio, 0.77 [0.592-1.004]; p = 0.054) consistent with the "obesity paradox" observed after nonbariatric general surgery. CONCLUSION: Our large national study shows that obesity does not negatively impact perioperative mortality and morbidity in patients undergoing lung resection. Surgical resections should not be denied to obese (BMI > 30) patients.

A population-based analysis of robotic-assisted mitral valve repair.

BACKGROUND: Robotic-assisted mitral valve repair is becoming more frequently performed in cardiac surgery. However, little is known about its utilization and safety at a national level. METHODS: Patients undergoing mitral valve repair in the United States from 2008 to 2012 were identified in the National Inpatient Sample. Inhospital mortality, complications, length of stay, and cost for patients undergoing robotic-assisted mitral valve repair were compared with patients undergoing nonrobotic procedures. RESULTS: We identified 50,408 isolated mitral valve repair surgeries, of which 3,145 were done with robotic assistance. In a propensity score matched analysis of 631 pairs of patients, we found no difference between patients undergoing robotic-assisted and nonrobotic-assisted mitral valve repair with respect to inhospital mortality, complications, or composite outcomes in unadjusted or multivariable analyses. Robotic-assisted mitral valve repair surgery was associated with a shorter median length of stay (4 versus 6 days, p < 0.001), and there was no difference in median total costs between the two procedures. CONCLUSIONS: In our analysis of a large national database with its inherent limitations, robotic-assisted mitral valve repair was found to be safe, with an acceptable morbidity and mortality profile.

A rare case of fetal adenocarcinoma of the lung.

Fetal adenocarcinoma is a rare lung malignancy associated with improved outcomes compared to more common adenocarcinoma variants. We describe a case of a 31-year-old woman who presented with right-sided chest pain, and was subsequently diagnosed with an intermediate-grade stage IV fetal adenocarcinoma with chest wall invasion. She was treated with surgical resection and adjuvant radiation.