Human Reproduction, Vol. 15, No. 11, 2266-2267,
November 2000
© 2000 European Society of Human Reproduction and Embryology
Severe OHSS
Yes, there is a strategy to prevent it!
1 Department of Obstetrics and Gynecology, Rambam Medical Center, and 2 Faculty of Medicine, Technion Israel Institute of Technology, Haifa, 31096, Israel
Effective measures to prevent ovarian hyperstimulation syndrome (OHSS) remain controversial. It became almost `common knowledge' that there is no strategy that may completely prevent OHSS. Extensive clinical experience (albeit not derived from prospective randomized studies) clearly documents the ability of a single administration of gonadotrophin-releasing hormone (GnRH) agonist to effectively trigger ovulation, while completely eliminating any threat of clinically significant OHSS. This strategy cannot be used if the pituitary is down-regulated (as is the case in most assisted reproductive cycles today), however, the newly-introduced GnRH antagonists open new opportunities for implementing this strategy, since the pituitary preserves its responsiveness to GnRH agonists. Combining GnRH antagonist-based ovarian stimulation (particularly in `high responders'), with GnRH agonist-driven ovulation triggering will make severe OHSS a disease of the past in assisted reproduction.
Key words: GnRH agonist/OHSS/ovulation induction
3 To whom correspondence should be addressed at: Department of Obstetrics and Gynecology, Rambam Medical Center, Technion Israel Institute of Technology, Haifa 31096, Israel. E-mail: skol{at}rambam.health.gov.il
This debate was previously published on Webtrack, July 31, 2000
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