Morphological characterisation of the coronary arteries in African sheep (Ovis orientalis). Differential analysis with those of humans and other animal species

• Autorzy: Gomez F.A. , Cortes L.S. , Ballesteros L.E.
• Języki publikacji: EN

Abstrakty

EN

Background: Despite the importance of the coronary system in the African sheep as a possible experimental model, there is little information about this particular vascular system. The objective of this investigation was to characterise morphologically the coronary arteries and their branches in African sheep. Materials and methods: This descriptive cross-sectional study evaluated the coronary arteries and their branches of 62 hearts of short hair sheep. The right and left coronary ostia were perfused with a semi-synthetic resin (Palatal GP40L 85%; styrene 15%) dyed with mineral red. The morphological characteristics were evaluated using a digital calibrator and the biometrics of the coronary arteries and their branches were registered. Results: The right coronary artery had a proximal calibre of 2.11 ± 0.46 mm. The subsinusal interventricular branch ended at the middle third of the homonym sulcus in 19 (30.6%) specimens. The left coronary artery had a diameter of 5.38 ± 1.59 mm and a length of 4.67 ± 3.32 mm. This artery bifurcated itself in the paraconal interventricular branch and the left circumflex branch in 57 (91.9%) hearts and trifurcated with an additional left diagonal branch in 5 (8.1%) specimens. Left coronary artery dominance was observed in 51 (82.3%) specimens, whereas in 11 (17.7%) cases the coronary circulation dominance was balanced. Conclusions: Due to the similitude in the features of the coronary arteries between African sheep and humans, this animal model can be proposed for procedural and haemodynamic activities. (Folia Morphol 2019; 78, 1: 63–70)

• Wydawca: -
• Czasopismo: Folia Morphologica
• Rocznik: 2019
• Tom: 78
• Numer: 1
• Opis fizyczny: p.63-70,fig.,ref.

Twórcy

autor

Gomez F.A.

• Universidad Industrial de Santander, Bucaramanga, Colombia

autor

Cortes L.S.

• Universidad Cooperativa de Colombia, Bucaramanga, Colombia

autor

Ballesteros L.E.

• Universidad Industrial de Santander, Bucaramanga, Colombia

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Identyfikatory

DOI

10.5603/FM.a2018.0054