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Assessment of multiple cardiocentesis in ball pythons (Python regius)
Ramiro Isaza1, Gordon Andrews, Rob Coke
1Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA.
Insights
Serial cardiocentesis in ball pythons (Python regius) is well tolerated, with minimal gross and microscopic findings. This blood collection method appears safe for research and veterinary purposes in this species.
Area of Science:
- Veterinary Medicine
- Herpetology
- Comparative Pathology
Background:
- Cardiocentesis is a common method for blood collection in reptiles.
- Limited data exists on the long-term effects of serial cardiocentesis in ball pythons (Python regius).
Purpose of the Study:
- To evaluate the gross and microscopic effects of repeated blood collection via cardiocentesis in ball pythons.
- To determine the safety and tolerance of serial cardiocentesis in this species.
Main Methods:
- Six ball pythons underwent serial cardiocentesis over 120 days, with 39 samples collected per snake.
- Procedures involved manual restraint and lasted approximately 15 seconds per sample.
- Necropsy and histopathological examination were performed post-euthanasia.
Main Results:
- No clinically apparent complications were observed during or after blood collection.
- Gross findings included pericardial pigmentation and small fluid accumulation in some snakes.
- Microscopic findings revealed mild epicardial fibrosis and inflammatory cell infiltration in the pericardial sac.
Conclusions:
- Serial cardiocentesis is a well-tolerated procedure in ball pythons.
- The observed pathological changes were minimal and did not appear to cause significant adverse effects.
- This technique is suitable for repeated blood sampling in research and clinical settings for Python regius.
Abstract:
This study evaluated the gross and microscopic effects of serial blood collection from six ball pythons (Python regius) by using cardiocentesis. We collected 39 blood samples from each snake over a 120-day period. Cardiocentesis was performed on manually restrained snakes, with each sample requiring approximately 15 sec to collect. No clinically apparent complications were noted in any of the snakes after the cardiocentesis procedures, and all snakes survived until they were euthanized 73 days after the last blood sample. Minimal gross lesions were noted at necropsy; faint brown pigmentation of the pericardium was present in five of six snakes, and three snakes had approximately 0.5 ml dark pigmented fluid in the pericardial space. One snake had a small, organized hematoma in the pericardial space. Microscopic findings were limited to moderate and regularly arranged collagen fibrosis and focal thickening of the epicardium. The pericardial sac in all snakes had a mild infiltrate of hemosiderin-laden macrophages and small numbers of heterophils. The results suggest that serial cardiocentesis is well tolerated in ball pythons.
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