Principles of Enhanced Recovery Protocols

Principles of Enhanced Recovery Protocols - Recovery Revolution

• Goal: Minimize surgical stress, hasten functional recovery, reduce complications and length of stay (LOS).
• Approach: Multimodal, evidence-based interventions across the perioperative continuum (pre-op, intra-op, post-op).
• Team: Coordinated multidisciplinary effort (surgeons, anesthesiologists, nurses, dietitians, physiotherapists).
• Key Elements: Patient education, pre-op carbohydrate loading, opioid-sparing analgesia, euvolemia, early oral intake, and mobilization.

![ERAS Pathway: Preoperative to Post-Discharge Interventions](https://ylbwdadhbcjolwylidja.supabase.co/storage/v1/object/public/notes/L1/Anesthesiology_Enhanced_Recovery_After_Surgery_ERAS_Principles_of_Enhanced_Recovery_Protocols/89b6e023-680e-4109-a4de-9dc6d2fb2971.jpg)
> ⭐ ERAS protocols aim to reduce the surgical stress response, thereby improving patient outcomes and reducing insulin resistance post-surgery.

Principles of Enhanced Recovery Protocols - Prep & Prime

• Goal: Optimize patient physiological status before surgery.
• Key Interventions:
  • Preoperative Counseling: Patient education, set expectations.
  • Nutritional Screening & Support:
    • Correct malnutrition; consider immunonutrition (Arginine, Omega-3 FA, Nucleotides) 5-7 days pre-op if high-risk.
  • No Prolonged Fasting:
    • Solids: Stop ≥6 hours before anesthesia.
    • Clear fluids: Stop ≥2 hours before anesthesia.
    • Carbohydrate (CHO) loading: Non-diabetics, 50g CHO drink 2-3 hours pre-op.
  • Selective Bowel Prep: Avoid routine mechanical bowel prep (MBP).
  • Smoking/Alcohol Cessation: Advise ≥4 weeks prior.
  • Anemia Correction: Identify & treat pre-op.
  • VTE Prophylaxis Planning.

⭐ Preoperative carbohydrate loading (e.g., maltodextrin drink) significantly reduces postoperative insulin resistance and improves patient comfort.

Principles of Enhanced Recovery Protocols - Surgical Symphony

Optimizing intraoperative care to orchestrate a faster, smoother recovery. Key elements focus on minimizing surgical stress and supporting physiological function.

• Minimally Invasive Surgery (MIS): Preferred to ↓tissue trauma, pain, and stress response.
• Regional Anesthesia (RA): Epidurals, spinal, or peripheral nerve blocks to ↓opioid needs & improve pain control.
• Opioid-Sparing Analgesia (OSA): Multimodal approach (e.g., NSAIDs, paracetamol, ketamine, lidocaine infusion).
• Goal-Directed Fluid Therapy (GDFT): Maintain euvolemia, avoiding hypo/hypervolemia. Use dynamic measures (e.g., stroke volume variation).
• Normothermia: Maintain core temperature >36°C to prevent coagulopathy, surgical site infections (SSIs), and delayed recovery.
• Selective Use of Drains/Tubes: Avoid routine use; remove early to facilitate mobilization.

⭐ Intraoperative goal-directed fluid therapy (GDFT) is crucial for reducing postoperative ileus and overall complication rates in major abdominal surgery within ERAS pathways.

Principles of Enhanced Recovery Protocols - Fast Track Forward

Postoperative strategies for accelerated recovery and fewer complications.

• Early Mobilization: Ambulate out of bed (OOB) on day of surgery/POD1 (target <24h).
• Early Oral Nutrition: Clear liquids hours post-op; solids by POD1.
• Multimodal Analgesia: Opioid-sparing (paracetamol, NSAIDs, regional). Key for activity.
• Catheter Management:
  • Urinary: Remove <24h (PACU/POD1).
  • Drains: Avoid routine use; remove per output/indication.
• DVT & PONV Prophylaxis: Standard multimodal strategies.
• Glycemic Control: Maintain blood glucose <180 mg/dL.

⭐ Early oral feeding post-GI surgery is safe, aids recovery, and doesn't ↑anastomotic leak risk.

High‑Yield Points - ⚡ Biggest Takeaways

• ERAS protocols aim to reduce surgical stress response and accelerate postoperative recovery.
• Key components include preoperative patient education, carbohydrate loading, and avoidance of prolonged fasting.
• Multimodal, opioid-sparing analgesia is a cornerstone for pain management and reducing side effects.
• Goal-directed fluid therapy (GDFT) is preferred over liberal fluid administration.
• Emphasis on early mobilization and early oral nutrition to promote gut function and prevent muscle loss.
• Avoidance of routine drains and nasogastric tubes is encouraged.
• Thromboprophylaxis and PONV prophylaxis are integral parts of ERAS pathways.