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Original Articles: General Thoracic

Image-Guided Radiofrequency Ablation of Lung Neoplasm in 100 Consecutive Patients by a Thoracic Surgical Service

^a Heart, Lung, and Esophageal Surgery Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
^b The University of Pittsburgh Cancer Institute Biostatistics Facility, Pittsburgh, Pennsylvania

Accepted for publication May 6, 2009.

^_* Address correspondence to Dr Luketich, Department of Surgery, The Heart, Lung, and Esophageal Surgery Institute, University of Pittsburgh, Pittsburgh, PA 15213 (Email: luketichjd{at}upmc.edu).

Presented at the Forty-fourth Annual Meeting of The Society of Thoracic Surgeons, Fort Lauderdale, FL, Jan 28–30, 2008.

Background: Surgical resection is the standard of care for patients with resectable non–small cell lung cancer or selected patients with pulmonary metastases. However, for high-risk patients radiofrequency ablation (RFA) may offer an alternative option. The objective of this study was to evaluate computed tomography–guided RFA for high-risk patients and report our initial experience in 100 consecutive patients by a thoracic surgical service.

Methods: Medically inoperable patients were offered RFA. Thoracic surgeons evaluated and performed RFA under computed tomography guidance. Patients were followed in the thoracic surgery clinic. The primary end point evaluated was overall survival.

Results: One hundred patients underwent image-guided RFA for lung neoplasm (40 men, 60 women; median age, 73.5 years; range, 26 to 95 years). Forty-six patients (46%) with primary lung neoplasm, 25 patients (25%) with recurrent cancer, and 29 patients (29%) with pulmonary metastases underwent RFA. The mean follow-up for alive patients was 17 months. The median overall survival for the entire group of patients was 23 months. The probabilities of 2-year overall survival for the entire group, primary lung cancer patients, recurrent cancer patients, and metastatic cancer patients were 49% (95% confidence interval, 37 to 60), 50% (95% confidence interval, 33 to 65), 55% (95% confidence interval, 25 to 77), and 41% (95% confidence interval, 19 to 62), respectively.

Conclusions: Our experience indicates that image-guided RFA done by the thoracic surgeons is feasible and safe in high-risk patients with lung neoplasm with reasonable results in patients who are not fit for surgery. Thoracic surgeons can perform RFA safely, and should continue to investigate this new image-guided modality that may offer an alternative option in medically inoperable patients.

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				A. Pennathur, J. D. Luketich, D. E. Heron, M. J. Schuchert, S. Burton, G. Abbas, W. E. Gooding, P. F. Ferson, C. Ozhasoglu, S. Gilbert, et al. Stereotactic radiosurgery for the treatment of lung neoplasm: experience in 100 consecutive patients. Ann. Thorac. Surg., November 1, 2009; 88(5): 1594 - 1600. [Abstract] [Full Text] [PDF]