Abstract
Background
Video-assisted thoracic surgery (VATS) procedures for non-small cell lung cancer (NSCLC) have steadily increased and have become the gold standard, but their prognostic advantage compared with thoracotomy has not been elucidated. This study retrospectively evaluated perioperative characteristics of VATS for NSCLC over time.
Methods
We collected the clinical data of 760 patients with NSCLC who underwent pulmonary resection over the past decade, classifying patients into early (2011–2015) and late (2016–2020) periods. Changes in NSCLC patient characteristics, surgical approaches, perioperative factors, postoperative morbidities, and prognoses were analyzed.
Results
Patients in the late period were older (p = 0.01), had more comorbidities (p = 0.01), and had earlier-stage cancer (p < 0.01) than those in the early period. The late period had significantly fewer surgical procedures for lobectomy or extended resection beyond lobectomy (p < 0.01), open thoracotomies (p < 0.01), postoperative (p = 0.02) and severe morbidities (p < 0.01), and a significantly shorter postoperative hospital stay than the early period. Surgical procedures of lobectomy or extended resection beyond lobectomy (p < 0.01) were significant risk factors for postoperative morbidity, and being in the early period (p < 0.01) and surgical procedures of lobectomy or extended resection beyond lobectomy (p < 0.01) were significant risk factors for severe postoperative morbidities. The overall survival prognosis significantly differed between the groups (p = 0.02) but progression-free survival did not (p = 0.89).
Conclusions
The incidence of postoperative morbidities decreased over time in older patients and patients with more comorbidities. The prognosis of patients with NSCLC did not change with increasing VATS or sublobar resection.
Graphical abstract
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Abbreviations
- MIS:
-
Minimally invasive surgery
- VATS:
-
Video-assisted thoracic surgery
- NSCLC:
-
Non-small cell lung cancer
- CEA:
-
Carcinoembryonic antigen
- BI:
-
Brinkman index
- COPD:
-
Chronic obstructive pulmonary disease
- IP:
-
Interstitial pneumonia
- CCI:
-
Charlson comorbidity index
- %VC:
-
Percent-predicted vital capacity
- FEV1%:
-
Forced expiratory volume in 1s as a percentage of forced vital capacity
- H-VATS:
-
Hybrid VATS
- RATS:
-
Robot-assisted thoracic surgery
- OR:
-
Odds ratio
- CI:
-
Confidence interval
- RFS:
-
Relapse-free survival
- OS:
-
Overall survival
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Acknowledgements
We thank H. Nikki March, PhD, from Edanz (https://jp.edanz.com/ac) for editing a draft of this manuscript.
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The following authors have no conflicts of interest or financial ties to disclose: Dr. Nozomu Motono, Dr. Takaki Mizoguchi, Dr. Masahito Ishikawa, Dr. Shun Iwai, Dr. Yoshihito Iijima, Dr. Hidetaka Uramoto.
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Motono, N., Mizoguchi, T., Ishikawa, M. et al. Improvements in perioperative outcomes for non-small cell lung cancer: a decade-long analysis. Surg Endosc 37, 172–179 (2023). https://doi.org/10.1007/s00464-022-09471-9
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DOI: https://doi.org/10.1007/s00464-022-09471-9