This element covers the principles and practice of feline anaesthesia and pain management, from pre-anaesthetic risk assessment and premedication through i
Topic Synopsis
This element covers the principles and practice of feline anaesthesia and pain management, from pre-anaesthetic risk assessment and premedication through induction, maintenance, and recovery, including supportive interventions and the recognition and treatment of pain and stress. Learners must demonstrate a thorough understanding of feline-specific considerations to ensure safe and effective perioperative care.
Key Concepts & Core Principles
- Feline-specific anatomy and physiology: Understanding the unique features of cats, such as their renal system, respiratory system, and pain responses, is essential for accurate assessment and treatment.
- Feline behaviour and handling: Cats have distinct stress responses and communication signals; minimising stress through low-stress handling techniques is a core skill.
- Feline nutrition: Cats are obligate carnivores with specific dietary requirements, including taurine, arachidonic acid, and high protein levels; nutritional management of conditions like chronic kidney disease is critical.
- Feline anaesthesia and analgesia: Cats have unique drug metabolism and sensitivity; protocols must account for their hepatic and renal function, and pain management is often under-recognised.
- Common feline medical conditions: Mastery of conditions such as feline lower urinary tract disease (FLUTD), hyperthyroidism, diabetes mellitus, and chronic kidney disease, including their diagnosis, treatment, and nursing care.
Exam Tips & Revision Strategies
- In written assessments, always justify your choice of anaesthetic protocol with reference to feline physiology (e.g., drug metabolism, thermoregulation, laryngeal sensitivity).
- For practical observations, demonstrate a systematic approach to monitoring: check mucous membrane colour, pulse oximetry, capnography, and temperature continuously.
- When discussing analgesia, refer to the analgesic ladder and provide specific drugs, doses, and routes; always mention the importance of pre-emptive analgesia.
- In case studies, highlight any breed-specific risks (e.g., Persians/brachycephalics) and address how you would modify the anaesthetic plan accordingly.
Common Misconceptions & Mistakes to Avoid
- Assuming canine anaesthetic protocols are directly transferable to cats, e.g., using medetomidine without considering cardiovascular sensitivity.
- Overlooking the risk of hypothermia and failing to implement active warming from premedication through recovery.
- Misinterpreting pain behaviours (e.g., purring, hiding) as signs of comfort rather than stress/pain.
- Not recognising the potential for opioid-induced hyperthermia in cats.
- Using NSAIDs without checking renal function or water intake, or administering paracetamol (toxic to cats).
Examiner Marking Points
- Award credit for demonstrating the ability to identify and mitigate risk factors such as brachycephalic conformation, hypothermia, and undiagnosed cardiomyopathy.
- Award credit for demonstrating how to select appropriate premedication agents based on patient status, including alpha-2 agonists, opioids, and anticholinergics, and justify their use.
- Award credit for demonstrating safe induction techniques, including pre-oxygenation, choice of induction agent (e.g., alfaxalone, propofol), and securing the airway.
- Award credit for demonstrating maintenance of anaesthesia using inhalant agents, balanced anaesthesia concepts, and monitoring depth, cardiovascular, and respiratory function.
- Award credit for demonstrating when and how to provide supportive therapy, such as fluid therapy, active warming, and ventilatory support.
- Award credit for demonstrating assessment of pain and stress using feline-specific pain scales (e.g., Glasgow Feline Composite Measure Pain Scale) and behavioural indicators.
- Award credit for demonstrating knowledge of analgesic protocols, including multimodal analgesia, opioids, NSAIDs, and local anaesthetic techniques, with feline-specific contraindications.