Survival After Minimally Invasive vs Open Radical Hysterectomy for Early-Stage Cervical Cancer: A Systematic Review and Meta-analysis | Cervical Cancer | JAMA Oncology | JAMA Network
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    Original Investigation
    June 11, 2020

    Survival After Minimally Invasive vs Open Radical Hysterectomy for Early-Stage Cervical Cancer: A Systematic Review and Meta-analysis

    Author Affiliations
    • 1Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston
    • 2Research Medical Library, The University of Texas MD Anderson Cancer Center, Houston
    • 3Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Columbia University Vagelos College of Physicians and Surgeons, New York, New York
    JAMA Oncol. 2020;6(7):1019-1027. doi:10.1001/jamaoncol.2020.1694
    Key Points

    Question  Are the findings of high-quality observational studies consistent with the results of a randomized clinical trial that found that minimally invasive hysterectomy was associated with a higher risk of recurrence and death compared with open surgery?

    Findings  In this systematic review and meta-analysis of 15 high-quality studies comprising 9499 patients, minimally invasive radical hysterectomy was associated with shorter overall and disease-free survival among women with operable cervical cancer compared with open surgery.

    Meaning  These results provide evidence to support the survival benefit associated with open radical hysterectomy for early-stage cervical cancer; these findings are consistent with a recent randomized clinical trial.

    Abstract

    Importance  Minimally invasive techniques are increasingly common in cancer surgery. A recent randomized clinical trial has brought into question the safety of minimally invasive radical hysterectomy for cervical cancer.

    Objective  To quantify the risk of recurrence and death associated with minimally invasive vs open radical hysterectomy for early-stage cervical cancer reported in observational studies optimized to control for confounding.

    Data Sources  Ovid MEDLINE, Ovid Embase, PubMed, Scopus, and Web of Science (inception to March 26, 2020) performed in an academic medical setting.

    Study Selection  In this systematic review and meta-analysis, observational studies were abstracted that used survival analyses to compare outcomes after minimally invasive (laparoscopic or robot-assisted) and open radical hysterectomy in patients with early-stage (International Federation of Gynecology and Obstetrics 2009 stage IA1-IIA) cervical cancer. Study quality was assessed with the Newcastle-Ottawa Scale and included studies with scores of at least 7 points that controlled for confounding by tumor size or stage.

    Data Extraction and Synthesis  The Meta-analysis of Observational Studies in Epidemiology (MOOSE) checklist was used to abstract data independently by multiple observers. Random-effects models were used to pool associations and to analyze the association between surgical approach and oncologic outcomes.

    Main Outcomes and Measures  Risk of recurrence or death and risk of all-cause mortality.

    Results  Forty-nine studies were identified, of which 15 were included in the meta-analysis. Of 9499 patients who underwent radical hysterectomy, 49% (n = 4684) received minimally invasive surgery; of these, 57% (n = 2675) received robot-assisted laparoscopy. There were 530 recurrences and 451 deaths reported. The pooled hazard of recurrence or death was 71% higher among patients who underwent minimally invasive radical hysterectomy compared with those who underwent open surgery (hazard ratio [HR], 1.71; 95% CI, 1.36-2.15; P < .001), and the hazard of death was 56% higher (HR, 1.56; 95% CI, 1.16-2.11; P = .004). Heterogeneity of associations was low to moderate. No association was found between the prevalence of robot-assisted surgery and the magnitude of association between minimally invasive radical hysterectomy and hazard of recurrence or death (2.0% increase in the HR for each 10-percentage point increase in prevalence of robot-assisted surgery [95% CI, −3.4% to 7.7%]) or all-cause mortality (3.7% increase in the HR for each 10-percentage point increase in prevalence of robot-assisted surgery [95% CI, −4.5% to 12.6%]).

    Conclusions and Relevance  This systematic review and meta-analysis of observational studies found that among patients undergoing radical hysterectomy for early-stage cervical cancer, minimally invasive radical hysterectomy was associated with an elevated risk of recurrence and death compared with open surgery.

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