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A non-surgical jugular catheterization technique for multiple blood sampling in cats
G A Albarellos1, R R Bonafine, V E Kreil
1Area de Farmacología, Departamento de Fisiopatología y Etiopatogenia, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Chorroarín 280 (1427), Buenos Aires, Argentina. albarell@fvet.uba.ar
Laboratory Animals
|July 19, 2003
Summary
A new, non-surgical jugular catheterization technique was developed for cats, enabling repeated blood sampling for pharmacokinetic studies. This method proved reliable and minimally invasive, allowing for extended sampling periods without complications.
Area of Science:
- Veterinary Medicine
- Pharmacokinetics
- Surgical Techniques
Background:
- Pharmacokinetic studies require frequent blood sampling, which can be challenging in research animals.
- Traditional methods may involve repeated venipuncture, causing stress and potential complications.
Purpose of the Study:
- To develop and evaluate a simple, reliable, non-surgical jugular catheterization technique for repeated blood sampling in cats.
- To facilitate pharmacokinetic studies requiring variable-interval blood collection.
Main Methods:
- An indwelling through-the-needle catheter (22G) was placed in the jugular vein of six cats.
- Catheters were inserted via an over-the-needle introducer (20G).
- Catheter patency and animal well-being were monitored during indwelling periods of 1-13 days.
Main Results:
- A total of 48 catheterizations were performed, with catheters remaining patent for a median of 3 days (range 1-13 days).
- Individual jugular veins were catheterized 2-6 times, with total indwelling durations of 4-33 days.
- No clinical signs of phlebitis, thrombosis, or sepsis were observed.
Conclusions:
- This non-surgical jugular catheterization technique is effective for repeated blood withdrawal in cats.
- The method is minimally invasive, non-painful, and non-stressful, suitable for extended pharmacokinetic studies.
- The technique minimizes vein damage and maintains catheter patency for reliable sampling.