Brian L. Pettiford

Margin and Local Recurrence After Sublobar Resection of Non-Small Cell Lung Cancer

BackgroundLocal recurrence is a major concern after sublobar resection (SR) of non-small cell lung cancer (NSCLC). We postulate that a large proportion of local recurrence is related to inadequate resection margins. This report analyzes local recurrence after SR of stage I NSCLC. Stratification based on distance of the tumor (<1 cm vs ≥1 cm) to the staple line was performed.MethodsWe reviewed 81 NSCLC patients (44 female) who underwent operation over an 89-month period (January 1997 to June 2004). Mean forced expiratory volume in one second percentiles (FEV1) was 57%. Mean age was 70 (46–86) years. There were 55 wedge and 26 segmental resections. There were 41 tumors with a margin <1 cm and 40 with a margin ≥1 cm. Local recurrence was defined as recurrence within the ipsilateral lung or pulmonary hilum.ResultsThere were no perioperative deaths. Mean follow-up was 20 months. Margin distance significantly impacted local recurrence; 6 of 41 patients (14.6%) developed local recurrence in the group with margin less than 1 cm versus 3 of 40 patients (7.5%) in the group with margin equal to or more than 1 cm (P = .04). Of the 41 patients with margins <1 cm, segmentectomy was used in 7 (17%), whereas in the 40 patients with the ≥1 cm margins, segmentectomy was used in 19 (47.5%).ConclusionsMargin is an important consideration after SR of NSCLC. Wedge resection is frequently associated with margins less than 1 cm and a high risk for locoregional recurrence. Segmentectomy appears to be a better choice of SR when this is chosen as therapy.

Contemporaneous management of esophageal perforation

BACKGROUND Esophageal perforation is an important therapeutic challenge. We hypothesized that patients with minimal mediastinal contamination at the time of diagnosis could be managed successfully with nonoperative treatment modalities. METHODS We performed a retrospective review of 119 consecutive patients with esophageal perforation from 1998 to 2008. Demographics, cause of perforation, clinical presentation, diagnostic methods, and management results were evaluated. The decision to operate was based on the extent of mediastinal contamination and systemic sepsis rather than cause of perforation. RESULTS Median time to diagnosis among all patients was 12 hours (range, 1-120). Spontaneous (Boerhaaves) perforation occurred in 44 (37%) patients. Iatrogenic perforations constituted the remaining patients (n = 75). After instrumental perforation, 9 patients (13%) required esophagectomy, 48 patients were managed with repair and drainage, and the remaining 18 were managed nonoperatively. All 34 patients undergoing operative therapy for spontaneous perforations were treated with esophageal repair. Overall mortality was 14%, with intrathoracic perforations having 18% mortality, cervical 8%, and gastroesophageal junction 3%. Patients undergoing nonoperative therapy had a shorter hospitalizations (13 vs 24 days), fewer complications (36% vs 62%), and less mortality (4% vs 15%) compared with those undergoing operative intervention. CONCLUSION An approach to esophageal perforation based on injury severity and the degree of mediastinal and pleural contamination is of paramount importance. Although operative management remains the standard in the majority of patients with esophageal perforation, nonoperative management may be successfully implemented in selected patients with a low morbidity and mortality if favorable radiographic and clinical characteristics are present.

Anatomic Segmentectomy for Stage I Non-Small Cell Lung Cancer in the Elderly

BACKGROUND Anatomic segmentectomy for stage I non-small cell lung cancer (NSCLC) offers the potential of surgical cure with preservation of lung function. This may be of particular importance in elderly NSCLC patients with declining cardiopulmonary status and a limited life expectancy. METHODS The study compared outcomes of 78 elderly patients (aged > 75 years) with stage I NSCLC undergoing segmentectomy and 106 undergoing lobectomy for stage I NSCLC from 2002 to 2007. Primary outcome variables included perioperative morbidity and mortality, hospital course, recurrence patterns, and survival. RESULTS Age, gender, tumor histology, and surgical approach were similar between groups. Comorbidities were similar except for a higher incidence of chronic obstructive pulmonary disease and diabetes in segmentectomy patients. The tumors in the lobectomy group were significantly larger (3.5 vs 2.5 cm, p = 0.0001). Operative mortality was 1.3% for segmentectomy and 4.7% for lobectomy. Segmentectomy patients had fewer major complications (11.5% vs 25.5%, p = 0.02). There were no differences in median hospitalization (7 vs 6 days). The estimated overall survival at 2, 3, and 5 years was 76%, 69%, and 46% for segmentectomy patients and 68%, 59%, and 47% for lobectomy patients (p = 0.28). The 5-year disease-free survival was equivalent (segmentectomy, 49.8%; lobectomy, 45.5%; p = 0.80). CONCLUSIONS Anatomic segmentectomy can be performed safely in elderly patients with early-stage NSCLC. This approach is associated with reduced perioperative complications and comparable oncologic efficacy compared with lobectomy in older patients with a limited life expectancy.

Anatomic segmentectomy for stage I non-small-cell lung cancer: comparison of video-assisted thoracic surgery versus open approach.

OBJECTIVES Anatomic segmentectomy is increasingly being considered as a means of achieving an R0 resection for peripheral, small, stage I non-small-cell lung cancer. In the current study, we compare the results of video-assisted thoracic surgery (n = 104) versus open (n = 121) segmentectomy in the treatment of stage I non-small-cell lung cancer. METHODS A total of 225 consecutive anatomic segmentectomies were performed for stage IA (n = 138) or IB (n = 87) non-small-cell lung cancer from 2002 to 2007. Primary outcome variables included hospital course, complications, mortality, recurrence, and survival. Statistical comparisons were performed utilizing the t test and Fisher exact test. The probability of overall and recurrence-free survival was estimated with the Kaplan-Meier method, with significance being estimated by the log-rank test. RESULTS Mean age (69.9 years) and gender distribution were similar between the video-assisted thoracic surgery and open groups. Average tumor size was 2.3 cm (2.1 cm video-assisted thoracic surgery; 2.4 cm open). Mean follow-up was 16.2 (video-assisted thoracic surgery) and 28.2 (open) months. There were 2 perioperative deaths (2/225; 0.9%), both in the open group. Video-assisted thoracic surgery segmentectomy was associated with decreased length of stay (5 vs 7 days, P < .001) and pulmonary complications (15.4% vs 29.8%, P = .012) compared with open segmentectomy. Overall mortality, complications, local and systemic recurrence, and survival were similar between video-assisted thoracic surgery and open segmentectomy groups. CONCLUSIONS Video-assisted thoracic surgery segmentectomy can be performed with acceptable morbidity, mortality, recurrence, and survival. The video-assisted thoracic surgery approach affords a shorter length of stay and fewer postoperative pulmonary complications compared with open techniques. The potential benefits and limitations of segmentectomy will need to be further evaluated by prospective, randomized trials.

Technical Challenges and Utility of Anterior Exposure for Thoracic Spine Pathology

BACKGROUND Thoracic surgeons are frequently called upon to provide exposure to the anterior cervicothoracic, thoracic, and proximal lumbar spine. We reviewed our surgical experience and the perioperative outcomes of these spinal approaches. Relevant technical and anatomic considerations of each procedure are highlighted. METHODS A total of 213 patients (116 female, 97 male) undergoing anterior thoracic spinal exposures over an 11-year period at a single institution were analyzed. Primary endpoints include morbidity, mortality, and perioperative outcomes. RESULTS Mean age was 53.7 years. Surgical approaches were determined based on the location and length of spinal involvement, and included cervicothoracic (5), thoracotomy (117), and thoracoabdominal (91) techniques. Malignant etiologies were associated with the highest perioperative mortality (6.7%, p = 0.08). Procedures for infection were associated with a significantly higher complication rate (p = 0.041) and length of stay (p = 0.033). Correction of scoliosis required longer operative times (p < 0.001) and resulted in a trend toward higher blood loss (p = 0.16). Thoracoabdominal approaches were associated with increased operative times (386 vs 316 minutes) and length of stay (8 vs 6 days) compared with thoracotomy. CONCLUSIONS The increased use of anterior approaches to spinal pathology necessitates greater involvement by thoracic surgeons. Familiarity with the anatomic and technical features of the anterior spinal exposure is required by thoracic surgeons to optimize surgical outcomes.

Parenchymal-sparing resections: why, when, and how.

Although lobectomy should continue to be regarded as the procedure of choice for NSCLC, certain subsets of patients who have favorable characteristics may be treated appropriately with segmentectomy without adversely affecting oncologic outcome as long as an adequate assessment of intraoperative nodal status and surgical margin is performed. The use of anatomic segmentectomy may be particularly useful for small, peripheral tumors less than 2 cm in diameter located within anatomic segmental boundaries, as well as for elderly patients who have impaired cardiopulmonary function. Ground-glass opacities and lesions displaying bronchoalveolar histology also may be appropriate target lesions for segmentectomy because of their low metastatic potential. Prospective, randomized studies (such as the CALGB/Altorki trial and the brachytherapy mesh trial) will be necessary to delineate fully the utility of segmentectomy in patients who have NSCLC.