Survival after a nationwide introduction of robotic surgery in women with early-stage endometrial cancer: A population-based prospective cohort study

Siv Lykke Jørgensen*, Ole Mogensen, Chunsen Wu, Malene Korsholm, Ken Lund, Pernille Tine Jensen

*Kontaktforfatter

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Abstrakt

Purpose
The purpose of the study was to evaluate the association between a nationwide introduction of robotic minimally invasive surgery (RMIS) and survival in women with early-stage endometrial cancer.

Materials and methods
Prospective data on consecutive women with early-stage endometrial cancer who underwent surgery during January 2005 to June 2015 in Denmark were identified in the nationwide Danish Gynaecological Cancer Database. Data were linked with national registries regarding comorbidity, education, income and death. The cohort was divided according to the time they underwent surgery: Group 1 before RMIS introduction in their respective region and Group 2 after RMIS introduction. Five-year overall survival was compared by multivariate Cox proportional hazards models stratified by histopathological risk between Groups 1 and 2 and between surgical modalities within Group 2: total abdominal hysterectomy (TAH), laparoscopic minimally invasive surgery (LMIS) and RMIS.

Results
Women in Group 1 (N = 3091) had significantly lower overall survival compared with those in Group 2 (N = 2563; hazard ratio [HR], 1.22; 95% confidence interval [CI], 1.05–1.42). Age, smoking, socioeconomic status, American Society of Anaesthesiologists (ASA) score, comorbidity and histopathological risk influenced the overall survival. Following RMIS adoption, TAH was associated with higher mortality compared with LMIS and RMIS (HR, 1.42; 95% CI 1.02–1.97 and HR, 1.70; 95% CI 1.31–2.19 for LMIS and RMIS, respectively). There was no significant survival difference between RMIS and LMIS (HR, 1.19; 95% CI 0.85–1.68).

Conclusion
The national introduction of robotic surgery for early-stage endometrial cancer was associated with improved survival irrespective of age, body mass index, ASA score, comorbidity, smoking, socioeconomic status and histopathological risk.
OriginalsprogEngelsk
TidsskriftEuropean Journal of Cancer
Vol/bind109
Sider (fra-til)1-11
ISSN0959-8049
DOI
StatusUdgivet - 1. mar. 2019

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