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Staging laparoscopy for the management of early-stage ovarian cancer: a metaanalysis
Hyun Jong Park1, Dong Wook Kim, Ga Won Yim
1Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea.
Objective:
We sought to perform a quantitative analysis on operative outcomes of laparoscopic staging surgery in patients with presumed early-stage ovarian cancer using a metaanalysis.
Study Design:
Electronic searches for studies of laparoscopic staging surgery in patients with ovarian cancer were performed within 3 electronic databases (Medline, Embase, and the Cochrane Library) using the key words "ovarian cancer," "early stage," "laparoscopy," "staging surgery," "staging laparoscopy," and "recurrence." Two authors independently screened articles, and those meeting the defined inclusion/exclusion criteria were included in the metaanalysis.
Results:
We identified 11 observational studies. The combined results of 3 retrospective studies showed that the estimated blood loss in laparoscopy was significantly lower than that for laparotomy (P < .001). The overall upstaging rate after laparoscopic surgery was 22.6% (95% confidence interval [CI], 18.1-27.9%) without significant heterogeneity among all study results. The overall incidence of conversion from laparoscopy to laparotomy was 3.7% (95% CI, 2.0-6.9%). The overall rate of recurrence in studies with a median follow-up period of ≥19 months was 9.9% (95% CI, 6.7-14.4%).
Conclusion:
Through our quantitative analysis, we concluded that the operative outcomes of a laparoscopic approach in patients with early-stage ovarian cancer could be compatible with those of laparotomy. In the future, further randomized controlled trials may be needed.
