The Annals of thoracic surgery · 2023
Segmentectomy vs Lobectomy for Early Non-Small Cell Lung Cancer With Visceral Pleural Invasion.
СтатьяСравнительное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Mathey-Andrews Camille, Abruzzo Annie R, Venkateswaran Shivaek, Potter Alexandra L, Senthil Priyanka, Beqari Jorind, Yang Chi-Fu Jeffrey, Lanuti Michael
Аннотация
BACKGROUND: Recent prospective trials have demonstrated the noninferiority of segmentectomy to lobectomy in the surgical management of early non-small cell lung cancer (NSCLC). It remains unknown, however, whether segmentectomy is sufficient for treating small tumors with visceral pleural invasion (VPI), a known indicator of aggressive disease biology and poor prognosis in NSCLC.
METHODS: Patients in the National Cancer Database (2010-2020) with cT1a-bN0M0 NSCLC and VPI and additional high-risk features who underwent segmentectomy or lobectomy were identified for analysis. Only patients with no comorbidities were included in this analysis to reduce selection bias. Overall survival of patients who underwent segmentectomy vs lobectomy was evaluated using multivariable-adjusted Cox proportional hazards and propensity score- matched analyses. Short-term and pathologic outcomes were also evaluated.
RESULTS: Of the 2568 patients with cT1a-bN0M0 NSCLC and VPI included in our overall cohort, 178 (7%) underwent segmentectomy and 2390 (93%) underwent lobectomy. No significant differences were found in the 5-year overall survival between patients undergoing segmentectomy vs lobectomy in multivariable-adjusted and propensity score-matched analyses (adjusted hazard ratio, 0.91 [95% CI, 0.55-1.51], P = .72; 86% [95% CI, 75%-92%] vs 76% [95% CI, 65%-84%], P = .15, respectively). There were also no differences in surgical margin positivity, 30-day readmission, and 30- and 90-day mortality between patients undergoing either surgical approach.
CONCLUSIONS: In this national analysis, no differences were found in survival or in short-term outcomes between patients undergoing segmentectomy vs lobectomy for early-stage NSCLC with VPI. Our findings suggest that if VPI is detected after segmentectomy for cT1a-bN0M0 tumors, completion lobectomy is unlikely to confer an additional survival advantage.
METHODS: Patients in the National Cancer Database (2010-2020) with cT1a-bN0M0 NSCLC and VPI and additional high-risk features who underwent segmentectomy or lobectomy were identified for analysis. Only patients with no comorbidities were included in this analysis to reduce selection bias. Overall survival of patients who underwent segmentectomy vs lobectomy was evaluated using multivariable-adjusted Cox proportional hazards and propensity score- matched analyses. Short-term and pathologic outcomes were also evaluated.
RESULTS: Of the 2568 patients with cT1a-bN0M0 NSCLC and VPI included in our overall cohort, 178 (7%) underwent segmentectomy and 2390 (93%) underwent lobectomy. No significant differences were found in the 5-year overall survival between patients undergoing segmentectomy vs lobectomy in multivariable-adjusted and propensity score-matched analyses (adjusted hazard ratio, 0.91 [95% CI, 0.55-1.51], P = .72; 86% [95% CI, 75%-92%] vs 76% [95% CI, 65%-84%], P = .15, respectively). There were also no differences in surgical margin positivity, 30-day readmission, and 30- and 90-day mortality between patients undergoing either surgical approach.
CONCLUSIONS: In this national analysis, no differences were found in survival or in short-term outcomes between patients undergoing segmentectomy vs lobectomy for early-stage NSCLC with VPI. Our findings suggest that if VPI is detected after segmentectomy for cT1a-bN0M0 tumors, completion lobectomy is unlikely to confer an additional survival advantage.