• Chest · Mar 2022

    Surgical Outcomes for Early-Stage Non-Small Cell Lung Cancer at Facilities with Stereotactic Body Radiation Therapy Programs.

    • Yusef A Syed, William Stokes, Manali Rupji, Yuan Liu, Onkar Khullar, Nikhil Sebastian, Kristin Higgins, Jeffrey D Bradley, Walter J Curran, Suresh Ramalingam, James Taylor, Manu Sancheti, Felix Fernandez, and Drew Moghanaki.
    • Department of Radiation Oncology, Emory University Winship Cancer Institute, Atlanta, GA.
    • Chest. 2022 Mar 1; 161 (3): 833844833-844.

    BackgroundPatients undergoing surgery for early stage non-small cell lung cancer (NSCLC) may be at high risk for postoperative mortality. Access to stereotactic body radiation therapy (SBRT) may facilitate more appropriate patient selection for surgery.Research QuestionIs postoperative mortality associated with early stage NSCLC lower at facilities with higher use of SBRT?Study Design And MethodsPatients with early stage NSCLC reported to the National Cancer Database between 2004 and 2015 were included. Use of SBRT was defined by each facility's SBRT experience (in years) and SBRT to surgery volume ratios. Multivariate logistic regression was used to test for the associations between SBRT use and postoperative mortality.ResultsThe study cohort consisted of 202,542 patients who underwent surgical resection of cT1-T2N0M0 NSCLC tumors. The 90-day postoperative mortality rate declined during the study period from 4.6% to 2.6% (P < .001), the proportion of facilities that used SBRT increased from 4.6% to 77.5% (P < .001), and the proportion of patients treated with SBRT increased from 0.7% to 15.4% (P < .001). On multivariate analysis, lower 90-day postoperative mortality rates were observed at facilities with > 6 years of SBRT experience (OR, 0.84; 95% CI, 0.76-0.94; P = .003) and SBRT to surgery volume ratios of more than 17% (OR, 0.85; 95% CI, 0.79-0.92; P < .001). Ninety-day mortality also was associated with surgical volume, region, year, age, sex, and race, among other covariates. Interaction testing between these covariates showed negative results.InterpretationPatients who underwent resection for early stage NSCLC at facilities with higher SBRT use showed lower rates of postoperative mortality. These findings suggest that the availability and use of SBRT may improve the selection of patients for surgery who are predicted to be at high risk of postoperative mortality.Published by Elsevier Inc.

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