Ultrasound-Guided Intrauterine Labeling of Rat Fetuses.
Gynecol Obstet Invest
; 83(2): 116-123, 2018.
Article
em En
| MEDLINE
| ID: mdl-28719908
ABSTRACT
AIM:
To compare intra-amniotic versus fetal subcutaneous injections for selective fetal labeling in multifetal rat pregnancies.METHODS:
A total of 14 pregnant rats were randomized to receive intra-amniotic injections of dyes (including Fluorescein, Indigo Carmine, or Evans Blue) or fetal subcutaneous injections (of commercial tattoo ink) both guided by ultrasound at 15-17 days of gestation. Survival, injection, and labeling success rates of both techniques were compared.RESULTS:
Survival rates (84.4% for intra-amniotic injections vs. 90.9% for fetal subcutaneous injections) and injection success rates (94% for intra-amniotic injections vs. 100% for fetal subcutaneous injections) were similar among both groups. None of the neonates from the intra-amniotic injections group were labeled at birth, while 93% of the neonates from fetal subcutaneous injections group were tagged, showing a visible spot in the skin at birth.CONCLUSION:
Our results suggest that ultrasound-guided fetal subcutaneous injections might be an adequate strategy for selectively labeling fetuses in multifetal pregnant animals.Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Coloração e Rotulagem
/
Útero
/
Ultrassonografia Pré-Natal
/
Corantes
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Embrião de Mamíferos
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Âmnio
/
Injeções
Tipo de estudo:
Diagnostic_studies
Limite:
Animals
/
Pregnancy
Idioma:
En
Ano de publicação:
2018
Tipo de documento:
Article