Long-term survival of patients with advanced lung adenocarcinoma undergoing robot-assisted thoracic surgery or video-assisted thoracoscopic surgery: a retrospective cohort study
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Long-term survival of patients with advanced lung adenocarcinoma undergoing robot-assisted thoracic surgery or video-assisted thoracoscopic surgery: a retrospective cohort study
Journal of Chongqing Medical UniversityVol. 51, Issue 3, Pages: 305-313(2026)
Cheng Ming,Hu Boxiao,Ding Renquan,et al.Long-term survival of patients with advanced lung adenocarcinoma undergoing robot-assisted thoracic surgery or video-assisted thoracoscopic surgery: a retrospective cohort study[J].Journal of Chongqing Medical University,2026,51(3):305-313.
Cheng Ming,Hu Boxiao,Ding Renquan,et al.Long-term survival of patients with advanced lung adenocarcinoma undergoing robot-assisted thoracic surgery or video-assisted thoracoscopic surgery: a retrospective cohort study[J].Journal of Chongqing Medical University,2026,51(3):305-313. DOI: 10.13406/j.cnki.cyxb.004022.
Long-term survival of patients with advanced lung adenocarcinoma undergoing robot-assisted thoracic surgery or video-assisted thoracoscopic surgery: a retrospective cohort study
To investigate the long-term outcome of Da Vinci robot-assisted thoracic surgery(RATS) versus video-assisted thoracoscopic surgery(VATS) in patients with pathological stage Ⅱ-Ⅲ lung adenocarcinoma.
Methods
2
A retrospective analysis was performed for the clinical data of 478 patients with lung adenocarcinoma who underwent RATS or VATS in Department of Thoracic Surgery,General Hospital of the Northern Theater Command,from 2012 to 2021,among whom there were 255 male patients and 223 female patients,with a mean age of (60.68±0.42) years. According to the surgical procedure,the patients were divided into RATS group with 206 patients and VATS group with 272 patients. Survival differences were compared between the two groups,and the influencing factors for prognosis were analyzed.
Results
2
Compared with the VATS group,the RATS group had significantly lower levels of intraoperative blood loss[50(30,50) mL vs. 150(100,300) mL,
P
<
0.001
]
,24-hour drainage volume after surgery[240(170,320) mL vs. 300(200,400) mL,
P
<
0.001
]
,48-hour drainage volume after surgery[230(160,300) mL vs. 275(200,380) mL,
P
<
0.001
]
,and tube indwelling time after surgery[9(6,15) days vs. 11(7,16) days,
P
=0.025
]
. Compared with the VATS group,the RATS group had a significantly higher number of lymph node dissection stations[6(5,7) stations vs. 5(4,5) stations,
P
<
0.001
]
and a significantly higher number of dissected lymph nodes[23(15,30) nodes vs. 13(7,20) nodes,
P
<
0.001
]
. There were no significant differences between the two groups in the total length of hospital stay(
P
=0.529) and postoperative first-line treatment cycle(
P
=0.301). Compared with the VATS group,the RATS group had significantly better overall survival (1-year survival rate:99.5% vs. 98.2%,
P
<
0.001;5-year survival rate:67.0% vs. 31.8%,
P
<
0.001;10-year survival rate:33.2% vs. 6.3%,
P
<
0.001;mean survival time:84 months vs. 52 months,
P
<
0.001) and recurrence-free survival(1-year recurrence-free survival rate:93.2% vs. 87.9%,
P
<
0.001;5-year recurrence-free survival rate:32.0% vs. 13.7%,
P
<
0.001;10-year recurrence-free survival rate:6.7% vs. 0%,
P
<
0.00
1;mean recurrence-free survival time:55 months vs. 37 months,
P
<
0.001). The univariate analysis showed that smoking history,surgical procedure,the number of dissected lymph nodes,and year of surgery were influencing factors for postoperative overall survival and recurrence-free survival. Meanwhile,the Cox regression analysis showed that smoking history and surgical procedure were independent influencing factors for postoperative overall survival,while smoking history,surgical procedure,and year of surgery were independent influencing factors for postoperative recurrence-free survival. The correlation analysis showed that the length of hospital stay,intraoperative blood loss,drainage volume at 24 and 48 hours after surgery,tube indwelling time after surgery,the number of lymph node dissection stations,and the number of dissected lymph nodes were significantly associated with the surgical procedure.
Conclusion
2
For patients with advanced lung adenocarcinoma,RATS treatment can achieve better survival outcomes and accelerate patient recovery.
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