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Gynecol Oncol. 2009 Jan;112(1):265-74. doi: 10.1016/j.ygyno.2008.08.033. Epub 2008 Oct 19.

Cytoreductive surgery for recurrent ovarian cancer: a meta-analysis.

Author information

  • 1Department of Gynecology, The Kelly Gynecologic Oncology Service, The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA. rbristo@jhmi.edu

Abstract

OBJECTIVE:

To determine the relative effect of multiple prognostic variables on overall post-recurrence survival time among cohorts of patients with recurrent ovarian cancer undergoing cytoreductive surgery.

METHODS:

Forty cohorts of patients with recurrent ovarian cancer (2019 patients) meeting study inclusion criteria were identified from the MEDLINE database (1983-2007). Simple and multiple linear regression analyses, with weighted correlation calculations, were used to assess the effect on median post-recurrence survival time of the following variables: year of publication, age, disease-free interval, localized disease, tumor grade and histology, the proportion of patients undergoing complete cytoreductive surgery, requirement for bowel resection, and the sequence of cytoreductive surgery and salvage chemotherapy.

RESULTS:

The mean weighted median disease-free interval prior to cytoreductive surgery was 20.2 months, and the mean weighted median overall post-recurrence survival time was 30.3 months. The weighted mean proportion of patients in each cohort undergoing complete cytoreductive surgery was 52.2%. Median survival improved with increasing year of publication (p=0.009); however, the only statistically significant clinical variable independently associated with post-recurrence survival time was the proportion of patients undergoing complete cytoreductive surgery (p=0.019). After controlling for all other factors, each 10% increase in the proportion of patients undergoing complete cytoreductive surgery was associated with a 3.0 month increase in median cohort survival time.

CONCLUSIONS:

Among patients undergoing operative intervention for recurrent ovarian cancer, the proportion of patients undergoing complete cytoreductive surgery is independently associated with overall post-recurrence survival time. For this select group of patients, the surgical objective should be resection of all macroscopic disease.

PMID:
18937969
[PubMed - indexed for MEDLINE]
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