Prednisone combined with letrozole reduced risk of ovarian hyperstimulation syndrome (OHSS) in women undergoing long-term gonadotropin-releasing hormone analog treatment.
- Publisher:
- AME Publishing Company
- Publication Type:
- Journal Article
- Citation:
- Ann Palliat Med, 2021, 10, (8), pp. 8837-8847
- Issue Date:
- 2021-08
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BACKGROUND: Ovarian hyperstimulation syndrome (OHSS) is a severe disease that can lead to serious complication. Letrozole has been applied during controlled ovarian hyperstimulation (COH) to reduce the rate of OHSS in women undergoing long-term Gonadotropin-releasing Hormone Analog (GnRHa) treatment for assisted fertility. Prednisone can prevent vasodilatation and increased vascular permeability, which is common during OHSS. However, few studies have evaluated the combined effect of letrozole and prednisone in preventing severe OHSS and is the aim of our retrospective study of patients receiving GnRHa treatment. METHODS: A total of 296 women who accepted autologous in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) treatments were included in this retrospective study. There were three groups: 146 women had letrozole, including letrozole alone (LE group, n=60) and letrozole with prednisone (LE + Pre group, n=86), and 150 women had no treatment (C group). Severe OHSS was diagnosed according to clinical evidence of hydrothorax, severe dyspnea, oliguria/anuria, and intractable nausea/vomiting. RESULTS: The addition of prednisone to letrozole successfully reduced the occurrence rate of severe OHSS than those women administered letrozole alone (55.0% vs. 70.6%, P=0.022). However, the ongoing pregnancy rate was lower in the LE + Pre group than that in the LE-alone group (64.3% vs. 87.0%, P=0.025). Surprisingly, progesterone level on the trigger day (>0.895 ng/mL) is a strong predictor for pregnancy failure with a specificity of 68.3% and sensitivity of 65.7% in the LE-alone group. CONCLUSIONS: Treatment with a combination of letrozole and prednisone may lower the rate of severe OHSS in women with prolonged gonadotropin-releasing hormone agonist protocol during assisted fertility treatment. When the progesterone level on trigger day is over 0.895 ng/mL, letrozole treatment may negatively affect clinical pregnancy.
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