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A Novel Ex Ovo Banding Technique to Alter Intracardiac Hemodynamics in an Embryonic Chicken System
Published on: May 13, 2016
Hemodynamic consequences of cardiac malformations in two juvenile ball pythons (Python regius).
1Department of Biological Sciences, Zoophysiology, Aarhus University, Aarhus C, Denmark. bjarke.jensen1@post.au.dk
Summary
Two juvenile ball pythons with bifid ventricles survived despite significant cardiac malformations. Their hearts showed enlarged chambers and a defective muscular ridge, leading to identical blood pressures in both circulatory systems.
Area of Science:
- Veterinary Cardiology
- Herpetology
- Developmental Biology
Background:
- Congenital cardiac malformations are rare in reptiles.
- Understanding cardiac development in snakes is crucial for veterinary care.
- Ball pythons (Python regius) are popular exotic pets, making their health relevant.
Observation:
- Two juvenile ball pythons presented with bifid ventricles and other cardiac abnormalities.
- Histological examination revealed enlarged cardiac chambers and a defective interventricular septum.
- A control ball python exhibited normal cardiac morphology.
Findings:
- The primary defect involved an underdeveloped muscular ridge in the ventricle.
- This malformation resulted in identical systolic blood pressures between the systemic and pulmonary arterial systems.
- Despite the severe cardiac defect, the affected snakes achieved significant growth.
Implications:
- This study highlights the potential for reptiles to survive with severe congenital heart defects.
- It provides insights into cardiac development and compensatory mechanisms in snakes.
- Findings may inform veterinary diagnosis and treatment of cardiac conditions in reptiles.
