Document Detail


Comparison of embryonic development in cleavage stage mouse embryo biopsy between acid Tyrode's solution and laser assisted techniques.
MedLine Citation:
PMID:  11758857     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The study was carried out to determine the effectiveness and safety of the infrared 1.48 microm laser in cleavage stage mouse embryo biopsy, compared to the conventional acid Tyrode's solution. One hundred and thirty cryopreserved cleavage stage mouse embryos were included in the study. Fifty embryos were biopsied by acid Tyrode's solution. Forty-seven embryos were biopsied by the infrared 1.48 microm laser. Thirty-three embryos were incubated without biopsy as the control group. Thirteen of 50 embryos in the acid Tyrode's group and 16 of 47 in the laser assisted group became cavitating morulae on day 4, meanwhile 23 of 33 in the control group reached this stage. The blastocyst formation of acid Tyrode's, laser assisted and control group were 94.0, 97.8 and 100.0 per cent, respectively. The hatching rate of acid Tyrode's solution, laser assisted and control group were 78.7, 84.7 and 63.6 per cent, respectively. No significant difference in blastocyst formation and hatching rate was found. The percentage of grade I blastocysts in control group (96.9%) was significantly higher than those in acid Tyrode's solution (68.0%) and the laser assisted group (76.0%). There was no significant difference in the percentage of grade 1 blastocysts between the acid Tyrode's solution and the laser assisted group. In conclusion, the infrared 1.48 microm wavelength laser may be an alternative to acid Tyrode's solution in embryo biopsy.
Authors:
P Phophong; A Doshi; J C Harper
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Publication Detail:
Type:  Comparative Study; Evaluation Studies; Journal Article    
Journal Detail:
Title:  Journal of the Medical Association of Thailand = Chotmaihet thangphaet     Volume:  84     ISSN:  0125-2208     ISO Abbreviation:  J Med Assoc Thai     Publication Date:  2001 Aug 
Date Detail:
Created Date:  2001-12-07     Completed Date:  2002-01-14     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  7507216     Medline TA:  J Med Assoc Thai     Country:  Thailand    
Other Details:
Languages:  eng     Pagination:  1190-8     Citation Subset:  IM    
Affiliation:
Department of Obstetrics and Gynaecology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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MeSH Terms
Descriptor/Qualifier:
Animals
Biopsy / adverse effects,  methods*,  standards
Blastocyst / drug effects,  pathology*,  physiology*,  radiation effects
Cleavage Stage, Ovum / drug effects,  pathology*,  physiology*,  radiation effects
Cryopreservation
Embryonic and Fetal Development / drug effects,  physiology*,  radiation effects
Isotonic Solutions / adverse effects,  diagnostic use*
Laser Therapy / adverse effects,  methods*,  standards
Mice
Preimplantation Diagnosis / adverse effects,  methods*,  standards
Random Allocation
Safety
Zona Pellucida / drug effects,  pathology,  physiology,  radiography
Chemical
Reg. No./Substance:
0/Isotonic Solutions; 0/Tyrode's solution

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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