Segmental resection spares pulmonary function in patients with stage I lung cancer
| Autor: | Richard H. Maley, Susan Bartley, Robin S. Macherey, Deepak Singh, Tibetha S. Santucci, Rodney J. Landreneau, Robert J. Keenan |
|---|---|
| Rok vydání: | 2004 |
| Předmět: |
Pulmonary and Respiratory Medicine
Male Vital capacity medicine.medical_specialty Lung Neoplasms Pulmonary function testing Diffusing capacity Carcinoma Non-Small-Cell Lung Forced Expiratory Volume medicine Carcinoma Humans Life Tables Lung cancer Pneumonectomy Survival analysis Aged Neoplasm Staging Retrospective Studies Exercise Tolerance business.industry Respiratory disease Middle Aged medicine.disease Survival Analysis Surgery Respiratory Function Tests Treatment Outcome Female Segmental resection Cardiology and Cardiovascular Medicine business |
| Zdroj: | The Annals of thoracic surgery. 78(1) |
| ISSN: | 1552-6259 |
| Popis: | Segmental resection for stage I non-small cell lung cancer remains controversial. Reports suggest that segmentectomy confers no advantage in preserving lung function and compromises survival. This study was undertaken to assess the validity of those assertions.We retrospectively analyzed patients undergoing lobectomy (n = 147) or segmentectomy (n = 54) for stage I non-small cell lung cancer between March 1996 and June 2001. All patients were included in the survival analysis. Pulmonary function testing was obtained preoperatively and at 1 year and included forced vital capacity, forced expiratory volume in 1 second, maximum voluntary ventilation, diffusing capacity, and stair-stepper exercise. Patients with recurrent disease (lobectomy, n = 32; segmentectomy, n = 10) were excluded in the pulmonary function testing analysis to avoid the confounding variables of tumor or treatments.Preoperative pulmonary function tests in segmentectomy patients were significantly reduced compared with lobectomy (forced expiratory volume in 1 second, 75.1% versus 55.3%; p0.001). At 1 year, lobectomy patients experienced significant declines in forced vital capacity (85.5% to 81.1%), forced expiratory volume in 1 second (75.1% to 66.7%), maximum voluntary ventilation (72.8% to 65.2%), and diffusing capacity (79.3% to 69.6%). In contrast, a decline in diffusing capacity was the only significant change seen after segmental resection. Oxygen saturations at rest and with exercise were maintained in both groups. Actuarial survival in both groups was similar (p = 0.406) with a 1-year survival of 95% for lobectomy and 92% for segmentectomy. Four-year survivals were 67% and 62%, respectively.For patients with stage I non-small cell lung cancer, segmental resection offers preservation of pulmonary function compared with lobectomy and does not compromise survival. Segmentectomy should be considered whenever permitted by anatomic location. |
| Databáze: | OpenAIRE |
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