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Comparative Study
. 2018 Jan;15(1):76-82.
doi: 10.1513/AnnalsATS.201612-980OC.

Outcomes after Video-assisted Thoracoscopic Lobectomy versus Open Lobectomy for Early-Stage Lung Cancer in Older Adults

Nicole Ezer  1 , Minal Kale  2 , Keith Sigel  2 , Sameer Lakha  3 , Grace Mhango  2 , Emily Goodman  2 , Daniel Nicastri  4 , Scott Swanson  5 , Alfred Neugut  6 , Juan P Wisnivesky  2   7
Affiliations
Comparative Study

Outcomes after Video-assisted Thoracoscopic Lobectomy versus Open Lobectomy for Early-Stage Lung Cancer in Older Adults

Nicole Ezer et al. Ann Am Thorac Soc. 2018 Jan.

Abstract

Rationale: Video-assisted thoracoscopic surgery (VATS) and open lobectomy are both standard of care for the treatment of early-stage non-small cell lung cancer (NSCLC) because of equivalent long-term survival.

Objectives: To evaluate whether the improved perioperative outcomes associated with VATS lobectomy are explained by surgeon characteristics, including case volume and specialty training.

Methods: We analyzed the Surveillance, Epidemiology, and End Results-Medicare-linked registry to identify stage I-II NSCLC in patients above 65 years of age. We used a propensity score model to adjust for differences in patient characteristics undergoing VATS versus open lobectomy. Perioperative complications, extended length of stay, and perioperative mortality among patients were compared after adjustment for surgeon's volume and specialty using linear mixed models. We compared survival using a Cox model with robust standard errors.

Results: We identified 9,508 patients in the registry who underwent lobectomy for early-stage NSCLC. VATS lobectomies were more commonly performed by high-volume surgeons (P < 0.001) and thoracic surgeons (P = 0.01). VATS lobectomy was associated with decreased adjusted odds of cardiovascular complications (odds ratio [OR] = 0.65; 95% confidence interval [CI] = 0.47-0.90), thromboembolic complications (OR = 0.47; 95% CI = 0.38-0.58), extrapulmonary infections (OR = 0.75; 95% CI = 0.61-0.94), extended length of stay (OR = 0.47; 95% CI = 0.40-0.56), and perioperative mortality (OR = 0.33; 95% CI = 0.23-0.48) even after controlling for differences in surgeon volume and specialty. Long-term survival was equivalent for VATS and open lobectomy (hazard ratio = 0.95; 95% CI = 0.85-1.08) after controlling for patient and tumor characteristics, surgeon volume, and specialization.

Conclusions: VATS lobectomy for NSCLC is associated with better postoperative outcomes, but similar long-term survival, compared with open lobectomy among older adults, even after controlling for surgeon experience.

Keywords: hospital volume; open lobectomy; surgeon volume; video-assisted thoracoscopic surgery lobectomy.

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Figures

Figure 1.
Figure 1.
Study population. HMO = Health Maintenance Organization; VATS = video-assisted thoracoscopic surgery.
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