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An alternative method for the comparative study of coronary vessels: repletion and diaphanization experience in seven animal models / Repleción y diafanización como una alternativa para el estudio comparativo de los vasos coronarios: experiencia en siete modelos animales
Pedraza-Rodriguez, Juan Daniel; Muñetón, Cesar; Melo, Fernando; Rueda-Esteban, Roberto Javier.
  • Pedraza-Rodriguez, Juan Daniel; Universidad de los Andes. School of Medicine. Anatomy for Education Research Group. CO
  • Muñetón, Cesar; Universidad de la Salle. School of Veterinary Medicine. CO
  • Melo, Fernando; Universidad de la Salle. School of Veterinary Medicine. CO
  • Rueda-Esteban, Roberto Javier; Universidad de los Andes. School of Medicine. Anatomy for Education Research Group. CO
Int. j. morphol ; 37(2): 448-451, June 2019. graf
Article in English | LILACS | ID: biblio-1002241
ABSTRACT
Coronary arteries establish a complex blood vessel system, right and left coronary arteries commonly originate from the aortic sinuses and divide into multiple branches that supply the heart with several important variations between species. Diaphanization is a preservative technique which allows internal structures visualization, maintaining the three-dimensionality of the specimen. In this study, human (Homo sapiens), goat (Capra aegagrus hircus), bovine (Bos Taurus), equine (Equus caballus), porcine (Sus scrofa domesticus), canine (Canis lupus familiaris) and feline (Felis silvestris catus) coronary arteries were injected with selfcuring methyl-methacrylate and posteriorly diaphanized. The coronary vasculature was adequately observed in all models while keeping the three-dimensional relation with surrounding cardiac structures, except for septal arteries which were not visualized. As incidental findings, anatomical variations in canine and human hearts were observed. Repletion-diaphanization is a useful blended method to visualize the morphology of superficial coronary arteries. It could be a valuable tool in anatomical teaching and research, but further research needs to be done to prove its effectiveness in different vessel systems.
RESUMEN
Las arterias coronarias son un complejo de vasos sanguíneos que usualmente se originan en los senos aórticos y que al dividirse en múltiples ramas suplen los requerimientos metabólicos del tejido cardiaco; cabe aclarar que la anatomía de estas estructuras posee variaciones importantes entre especies. La diafanización es una técnica de preservación que permite observar estructuras internas de un espécimen sin dañar su tridimensionalidad. En este estudio las arterias coronarias del corazón humano (Homo sapiens), caprino (Capra aegagrus hircus), bovino (Bos Taurus), equino (Equus caballus), porcino (Sus scrofa domesticus), canino (Canis lupus familiaris) y felino (Felis silvestris catus), fueron repletadas con metil-metacrilato y posteriormente diafanizados. Se observa la irrigación coronaria de cada uno de los corazones y su relación con las demás estructuras cardiacas, exceptuando las arterias septales. Como hallazgos incidentales se observaron variaciones anatómicas en los corazones canino y humano. Finalmente, esta técnica resultó de utilidad para evaluar la anatomía coronaria, lo que puede ser valioso para educación e investigación. Posteriores investigaciones deben ser realizadas para probar su utilidad en otros sistemas vasculares.
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Full text: Available Index: LILACS (Americas) Main subject: Transillumination / Coronary Vessels / Anatomy, Comparative Type of study: Prognostic study Limits: Animals / Humans Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2019 Type: Article Affiliation country: Colombia Institution/Affiliation country: Universidad de la Salle/CO / Universidad de los Andes/CO

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Full text: Available Index: LILACS (Americas) Main subject: Transillumination / Coronary Vessels / Anatomy, Comparative Type of study: Prognostic study Limits: Animals / Humans Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2019 Type: Article Affiliation country: Colombia Institution/Affiliation country: Universidad de la Salle/CO / Universidad de los Andes/CO