Initial Treatment of Acute Pancreatitis
Initiate goal-directed fluid resuscitation immediately with intravenous crystalloids (preferably Lactated Ringer's solution) and start early oral feeding within 24 hours as tolerated, rather than keeping the patient nil per os. 1, 2, 3
Immediate Resuscitation and Monitoring
Fluid Management
- Administer intravenous crystalloids (Lactated Ringer's solution preferred) to maintain urine output >0.5 ml/kg body weight 2
- Monitor fluid replacement rate by frequent measurement of central venous pressure in appropriate patients 2
- Avoid hydroxyethyl starch (HES) fluids in resuscitation 2
- Recent evidence suggests more cautious fluid resuscitation in the first 24 hours may be appropriate for some patients, though aggressive initial hydration remains standard 4, 5
Oxygenation
- Measure oxygen saturation continuously and administer supplemental oxygen to maintain arterial saturation >95% 2
Pain Control
- Use a multimodal approach to analgesia 6, 3
- Hydromorphone is preferred over morphine or fentanyl in non-intubated patients 6, 3
- Intravenous opiates are generally safe if used judiciously 2, 4
- Avoid NSAIDs in patients with acute kidney injury 2
Severity-Based Management Approach
Mild Acute Pancreatitis (80% of cases)
- Manage on general ward with basic monitoring of temperature, pulse, blood pressure, and urine output 1, 2
- Peripheral intravenous line for fluids and possibly nasogastric tube are required; indwelling urinary catheters rarely warranted 1, 2
- Do NOT administer prophylactic antibiotics - there is no evidence they affect outcomes in mild cases 1, 2
- Routine CT scanning is unnecessary unless clinical signs of deterioration occur 1, 2
- Start oral feeding within 24 hours as tolerated 1, 2
Severe Acute Pancreatitis (20% of cases)
- Transfer to ICU or HDU setting with full monitoring and systems support 1, 2, 3
- Requires peripheral venous access, central venous line (for CVP monitoring), urinary catheter, and nasogastric tube 1, 2
- Strict asepsis must be observed in placement and care of invasive monitoring equipment to prevent subsequent sepsis 1, 2
- Hourly monitoring of pulse, blood pressure, CVP, respiratory rate, oxygen saturation, urine output, and temperature 1, 2
- Regular arterial blood gas analysis is essential as hypoxia and acidosis may be detected late by clinical means alone 1, 2
- Consider prophylactic intravenous antibiotics (such as cefuroxime or imipenem) in severe cases with evidence of pancreatic necrosis, though evidence remains mixed 1, 6, 2
- Dynamic CT scanning should be obtained within 3-10 days of admission using non-ionic contrast 2
Nutritional Support
Oral Feeding
- Initiate oral feeding within 24 hours as tolerated instead of keeping patient NPO 1, 6, 2, 3
- In mild pancreatitis, recommence oral feeding once pain, nausea, and vomiting have resolved 5
Enteral Nutrition (if oral feeding not tolerated)
- Use enteral nutrition via nasogastric or nasoenteral tube rather than parenteral nutrition 1, 2, 3
- Both gastric and jejunal feeding routes can be safely utilized 2
- Nasogastric route is effective in 80% of cases 1
- Provide 35-40 kcal/kg/day with protein intake of 1.2-1.5 g/kg/day 6, 3
- Supplement with B-complex vitamins, which are critical especially in alcohol users 6, 3
- Consider selenium supplementation as patients with severe acute pancreatitis are often selenium deficient 6
Parenteral Nutrition
- Total parenteral nutrition should be avoided where possible 2, 5
- Partial parenteral nutrition can be considered only if enteral route is not completely tolerated 2
Etiology-Specific Management
For Biliary Pancreatitis
- Do NOT perform ERCP in absence of cholangitis 1
- Urgent ERCP (within 24 hours) should be performed only if concomitant cholangitis is present 1, 2
- Early ERCP (within 72 hours) is indicated for high suspicion of persistent common bile duct stone, persistently dilated common bile duct, or jaundice 1, 2
- Perform cholecystectomy during the initial admission, not after discharge 1, 3
- Definitive treatment should not be delayed more than two weeks after discharge to avoid risk of recurrent potentially severe pancreatitis 1
For Alcoholic Pancreatitis
- Perform brief alcohol intervention during the initial admission 1, 6, 3
- Use the FRAMES model: Feedback about dangers, Responsibility, Advice to abstain, Menu of alternatives, Empathy, and Self-efficacy encouragement 6, 3
- Brief interventions reduce alcohol consumption by approximately 41 g/week 6, 3
- Treat alcohol withdrawal syndrome with benzodiazepines as the treatment of choice 6, 3
- Arrange extended alcohol counseling after discharge to maintain abstinence 6
Common Pitfalls to Avoid
- Do not use prophylactic antibiotics routinely in mild pancreatitis - only indicated for specific infections (chest, urine, bile, or cannula-related) 1, 2
- Do not keep patients NPO unnecessarily - early oral feeding within 24 hours is beneficial when tolerated 1, 2
- Do not use hydroxyethyl starch fluids for resuscitation 2
- Do not perform routine ERCP in biliary pancreatitis without cholangitis 1
- Do not delay cholecystectomy beyond the index admission in biliary pancreatitis 1, 3
- Do not rely on specific pharmacological treatments - there is no proven specific drug therapy (aprotinin, glucagon, somatostatin, fresh frozen plasma, or peritoneal lavage have no proven value) 1, 2