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Safe Anesthetic Protocols for Bull Terriers: Tips and Guidelines

Shawna Rutar, LVT, B.S. VT

When it comes to administering anesthesia to Bull Terriers, a careful approach is essential to ensure their safety and well-being. Here, we'll discuss various anesthetic drugs, their considerations, and the importance of a multi-modal approach for optimal outcomes.

1. Ketamine in Anesthesia:

Ketamine is not known to lower the seizure threshold. However, like most anesthetic medications, it is typically used in conjunction with other drugs in a multi-modal approach.

2. Avoidance of Acepromazine and Telazol:

Acepromazine and Telazol are discouraged due to the availability of other anesthetic drugs with higher safety margins.

3. Outdated Use of Acepromazine:

Acepromazine's vasodilation effects increase the risk of hypotension. Its use is outdated, with alternative drugs offering similar sedative effects without vasodilation. However, if utilized, micro-dosing and combination with other drugs such as opioids can mitigate risks.

4. Isoflurane as a Common Gas Anesthetic:

Isoflurane is commonly used in veterinary anesthesia but must be administered with caution. Overuse can lead to hypotension and other adverse effects. Proper administration by trained anesthetists is crucial to prevent complications

It's important to note that while isoflurane effectively induces unconsciousness, it does not provide pain control. Uncontrolled pain during anesthesia increases the risk of complications such as cardiac arrhythmias and infections.

Anesthesia interrupts the awareness of pain signals, but it's essential to manage pain effectively before, during, and after the procedure. Utilizing pre-medication (I.E. opioids) and appropriate induction agents can help manage pain and reduce the amount of isoflurane required.

Furthermore, incorporating post-operative pain management strategies, such as analgesics and local anesthetics, is essential for ensuring patient comfort and facilitating a smooth recovery process.

5. Considerations for Propofol Use:

Propofol should be administered slowly intravenously in educated and respectful hands, with the bare minimum dosage required. Bull terriers present challenges in intubation due to their strong jaw muscles, necessitating pre-oxygenation to increase safety margins. Complications may include low blood pressure, temporary cessation of breathing, and cardiac arrhythmias.

6. Dexdomitor Usage Considerations:

Dexdomitor should only be used in healthy adult dogs, not puppies, geriatrics, or sick patients. While beneficial for anxiety in healthy adults, microdoses in continuous rate infusions (CRIs) have shown benefits for canine breeds experiencing hospital anxiety. However, caution is warranted due to its demands on the patient's body.

7. Importance of Multi-Modal Anesthetic Approach:

Sole reliance on isoflurane for anesthesia is discouraged due to its inability to control pain. Anesthesia merely suppresses pain awareness until the patient wakes up, necessitating additional pain management strategies. Furthermore, using isoflurane alone increases the risk of cardiac arrhythmias, respiratory depression, and hypotension. A multi-modal approach involving pre-medication and appropriate induction agents is recommended to mitigate these risks.

In summary, the administration of anesthesia in Bull Terriers requires careful consideration of various factors, including patient health, drug selection, and pain management strategies. A multi-modal approach, tailored to individual patient needs, is crucial for ensuring safe and effective anesthesia outcomes.