alexa A Comparison between Two Vitrification Devices: Plastic
ISSN: 2161-0436

Human Genetics & Embryology
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A Comparison between Two Vitrification Devices: Plastic Blade and McGill Cryoleaf

Maria Panagopoulou1, Nikos Nikolettos2, Vaia Dala2, Elias Tsakos3, Konstantinos Charalabopoulos1 and Byron Asimakopoulos1*

1Laboratory of Physiology, School of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece

2Laboratory of Reproductive Physiology, School of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece

3Gynaecology and Fertility Center, Thessaloniki, Greece

*Corresponding Author:
Byron Asimakopoulos, Ph.D
Laboratory of Physiology
School of Medicine
Democritus University of Thrace
68100 Alexandroupolis, Greece
Tel: 30-2551030538
Fax: 30-2551030504
E-mail: [email protected]

Received Date: February 20, 2013; Accepted Date: March 16, 2013; Published Date: March 18, 2013

Citation: Panagopoulou M, Nikolettos N, Dala V, Tsakos E, Charalabopoulos K, et al. (2013) A Comparison between Two Vitrification Devices: Plastic Blade and McGill Cryoleaf. Human Genet Embryol 3:102. doi: 10.4172/2161-0436.1000102

Copyright: © 2013 Panagopoulou M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Vitrification devices are of considerable importance for the successful vitrification of gametes and embryos. They have to be easy to use and achieve good results. We compared the plastic blade, a new in-house device, to McGill Cryoleaf regarding the convenience of the use and the survival rate of vitrified human abnormal oocytes and embryos after thawing. Material and methods: Abnormal oocytes and embryos derived from women who underwent I.V.F treatment, were used in this study. Two groups were included. In the control group, abnormal oocytes and embryos were vitrified with the Cryoleaf; in the second group, it was used the plastic blade. In both groups, vitrification followed a standard and commercially available protocol. Results: A number of problems appeared in the use of plastic blade during handling under liquid nitrogen and during placing the device into the warming solution. The survival rates of the vitrified oocytes (61.53%) and embryos (42.86%) with the plastic blade were significantly lower than with McGill Cryoleaf (80% and 61.54% respectively). Conclusion: Plastic blade is not as effective as McGill Cryoleaf. Further improvements could establish it as an alternative vitrification device.

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