The effectiveness of intracytoplasmic sperm injection combined with piezoelectric stimulation in infertile couples with total fertilization failure
- PMID: 19464000
- DOI: 10.1016/j.fertnstert.2009.03.107
The effectiveness of intracytoplasmic sperm injection combined with piezoelectric stimulation in infertile couples with total fertilization failure
Abstract
Objective: To assess the effectiveness of intracytoplasmic sperm injection (ICSI) combined with piezoelectric stimulation in infertile couples with a history of total fertilization failure (TFF).
Design: Prospective controlled trial.
Setting: Clinical IVF laboratory.
Patient(s): Seventy-one couples undergoing ICSI on sibling oocytes having at least one previous ICSI attempt with TFF.
Intervention(s): ICSI or ICSI with piezoelectric activation.
Main outcome measure(s): Fertilization rate.
Result(s): The patients were allocated to two groups: group I included 21 patients with only one previous TFF and group II included 50 patients with more than one previous TFF. Collectively, a total of 823 metaphase II (MII) oocytes were retrieved in 78 oocyte retrievals. In Group I, combined ICSI with piezoelectric stimulation was applied to 123/211 (58.2%) of MII oocytes (group IA), whereas standard ICSI procedure was applied to 88/211 (41.8%) of MII oocytes (group IB). The fertilization rate was 62% and 12% in group IA and group IB respectively. In group II, piezoelectric activation was applied in all 612 MII oocytes, of which 296 (48.3%) were fertilized. The rates for implantation and pregnancy/embryo transfer were obtained as 30.6% and 44.1%, respectively.
Conclusion(s): Piezoelectric activation seems to improve IVF outcome in patients with previous TFF history.
Copyright (c) 2010 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.
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