Use Of Dexmedetomidine In The Shelter Setting
This presentation discusses the pharmacology, clinical presentation and nuanced usage of several injectable anesthesia regimes utilizing the drug dexmedetomidine. Protocols of interest from within the literature of the last few years will be reviewed.
Presenter: Andrea Looney, DVM, DACVA, CCRP
Date: July 14, 2013
Venue: ASPCA/Maddie’s Shelter Medicine Conference at Cornell University College of Veterinary Medicine
- 1.
We hope you have enjoyed the presentation. A certificate of attendance in your name will be awarded at the end of this quiz. Please let us know if you have viewed the entire presentation.
- A.
I certify that I have viewed the entire presentation.
- B.
I did not view the entire presentation.
Correct Answer
A. I certify that I have viewed the entire presentation. -
- 2.
An anesthesia protocol should include drugs that do all of the following except:
- A.
Calm, sedate and reduce anxiety.
- B.
Provide pain relief.
- C.
Reduce central nervous system function.
- D.
Stimulate muscles and increase motor function.
- E.
Safely immobilize.
Correct Answer
D. Stimulate muscles and increase motor function. -
- 3.
There are some problems with practice-based anesthesia protocols being applied and used in a shelter setting.
- A.
True
- B.
False
Correct Answer
A. True -
- 4.
Which of the following is recommended for preoperative fasting?
- A.
Adult cats and dogs should fast 4–6 hours before surgery
- B.
Pediatric animals (between 8 to 12 weeks of age) should fast for a maximum of 2–3 hours before surgery.
- C.
Neonatal animals (less than 8 weeks of age) likely require little fasting; there are no set guidelines.
- D.
“Clear liquids” are now allowed up until surgery for all animals.
- E.
All of the above.
Correct Answer
E. All of the above. -
- 5.
Which of the following is the most important form of postoperative supportive care?
- A.
IV fluids
- B.
Supplemental oxygen
- C.
Heat
- D.
Physical stimulation
- E.
Classical music
Correct Answer
C. Heat -
- 6.
Which of the following is true about alpha agonist drugs?
- A.
They are potent “sedative analgesics.”
- B.
They act on endogenous “flight or fight receptors” that mediate pain, pain relief, sedation, sleep and arousal.
- C.
They are used to treat hypertension.
- D.
A and B.
- E.
All of the above.
Correct Answer
D. A and B. -
- 7.
Dexmedetomidine (Dexdomitor) is:
- A.
B and C.
- B.
A new generation of alpha-2 agonists.
- C.
A new generation of alpha-2 blockers.
- D.
Aimed at minimizing side effects and maximizing pain relief and workability of a patient.
- E.
A and C.
Correct Answer
E. A and C. -
- 8.
Dexmedetomidine (Dexdomitor) works by negative feedback inhibition by selectively binding to alpha-2 adrenoreceptors in the neuron, inhibiting the release of noradrenaline (which is necessary for neurotransmission).
- A.
True
- B.
False
Correct Answer
A. True -
- 9.
The clinical effects of dexmedetomidine (Dexdomitor) include:
- A.
Sedation, muscle relaxation and analgesia.
- B.
Increased heart rate, cardiac output, sensitivity to PC02 increases, tidal volume and respiratory rate.
- C.
Decreased heart rate, cardiac output, sensitivity to PC02 increases, tidal volume and respiratory rate.
- D.
A and B.
- E.
A and C.
Correct Answer
E. A and C. -
- 10.
Individuals who are monitoring anesthesia when dexmedetomidine (Dexdomitor) is used should be aware that:
- A.
The reflex cyanosis is profound.
- B.
The reflex tachycardia is profound.
- C.
The reflex bradycardia is profound.
- D.
The reflex tachypnea is profound.
- E.
The reflex muscle stiffness is profound.
Correct Answer
C. The reflex bradycardia is profound. -
- 11.
Contraindications for the use of dexmedetomidine (Dexdomitor) include:
- A.
Known gross cardiac disease and hypertension.
- B.
Heavy blood loss and acute shock or unstabilized status.
- C.
Pregnancy (to deliver live pups or kittens).
- D.
Already very bradycardic patients.
- E.
All of the above.
Correct Answer
E. All of the above. -
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