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.
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.
Authors: Frederico S Falcetta; Theresa A Lawrie; Lídia Rf Medeiros; Maria Ines da Rosa; Maria I Edelweiss; Airton T Stein; Alice Zelmanowicz; Anaelena B Moraes; Roselaine R Zanini; Daniela D Rosa Journal: Cochrane Database Syst Rev Date: 2016-10-13