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Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Ann+Thorac+Surg 2022 ; 113 (6): 1827-1834 Nephropedia Template TP
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The Impact of Extended Delayed Surgery for Indolent Lung Cancer or Part-Solid Ground Glass Nodules #MMPMID34329603
Mayne NR; Elser H; Lin BK; Raman V; Liou D; Li X; D'Amico TA; Jeffrey Yang CF
Ann Thorac Surg 2022[Jun]; 113 (6): 1827-1834 PMID34329603show ga
BACKGROUND: During the COVID-19 pandemic, patients with lung cancer may experience treatment delays. The objective of this study was to evaluate the impact of extended treatment delays on survival among patients with stage I typical bronchopulmonary carcinoid (BC), lepidic predominant adenocarcinoma (LPA) or invasive adenocarcinoma with a lepidic component (ADL). METHODS: Using National Cancer Database data (2004-2015), multivariable Cox regression analysis with penalized smoothing splines was performed to examine the association between treatment delay and all-cause mortality for stage I BC, LPA, and ADL. Propensity score-matched analyses compared the overall survival of patients who received "early" vs "delayed" surgery (ie, 0-30 vs 90-120 days after diagnosis) across the different histologic subtypes. RESULTS: During the study period, patients with stage I BC (n = 4947), LPA (n = 5340), and ADL (n = 6816) underwent surgery. Cox regression analysis of these cohorts showed a gradual steady increase in the hazard ratio the longer treatment is delayed. However, in propensity score-matched analyses that created cohorts of patients who underwent early and delayed surgery that were well-balanced in patient characteristics, no significant differences in 5-year survival were found between early and delayed surgery for stage I BC (87% [95% CI:77%-93%] vs 89% [95% CI: 80%-94%]), stage I LPA (73% [95% CI: 64%-80%] vs 77% [95% CI: 68%-83%]), and stage I ADL (71% [95% CI: 64%-76%] vs 69% [95% CI: 60%-76%]). CONCLUSIONS: During the COVID-19 pandemic, for early-stage indolent lung tumors and part-solid ground glass lung nodules, a delay of surgery by 3-4 months after diagnosis can be considered.