Pancreatitis Flashcards
Most pancreatitis cases are due to
gallstone and chronic alcohol abuse
Fxn pancreas
breaks down carbs, proteins, lipids
Acute pancreatitis
occurs suddenly and may result in life-threatening complications
Recurrent pancreatitis
25% will have recurrence; most due to alcohol or cholelithiasis
Cause of acute pancreatitis
Gallstone alcohol idiopathic Post-ERCP HyperTG Hypercalcemia Smoking Drugs Infection Trauma
Complication acute pancreatitis
- multisystem organ failure- renal failure, acute respiratory distress syndromes, cardiac dysfunction
- intravascular depletion
ileus
pancreatic pseudocyst
pancreatic necrosis
Clinical acute pancreatitis
Midepigastric pain- patient lays forward and worst when laying back pain radiates to back N/V dyspnea epigastric tenderness jaundice
Severe sx of acute pancreatitis
tachypnea hypoxemia hypotension ARDS cullen's sign Grey turner syndrome
Cullen sign
- exomotic discoloration in periumbilical region due to bleeding intrabdominal
- most likely have necrotizing pancreatitis
Grey Turner sign
- exomatic discoloration along flanks due to hemorrhage
- most likely have necrotizing pancreatitis
Labs acute pancreatitis
Amylase 3xULN Lipase 3xULN CBC with diff- HCT increase BMP- BUN/creatine elevated, hyperglycemia LFT- hyperbilirubinemia, increase ALT+AST, direct bilirubin will be higher LDH C-reactive protein Fasting TG over 1000
Imaging acute pancreatitis
CT abdomen with IV contrast
abdominal US
MRI
Essentials for Dx acute pancreatitis
2 of the following:
midepigastric pain +/- radiation into the back
lipase and/or amylase 3xULN
CT confirmation of pancreatitis
Tx Acute pancreatitis
Admit to hospital Predictor score Determine cause NPO, IVF with lactated ringers Parental analgesic, antiemetic Rpt labs BUN/creatinine, HCT every 8-12hrs Serial exams for fluid overload clear fluids--> low fat diet
Predictors of acute pancreatitis
Banson criteria
APACHE 2 Score
SIRS Score
BISAP
SIRS Criteria
2 of the following - temperature over 38.3 or less than 36 - HR over 90 RR over 20 WBC over 12,000
Chronic pancreatitis
- irreversible damage to the pancreas as distinct from the reversible changes noted in acute pancreatitis
Histology of chronic pancreatitis
chronic inflammation, fibrosis, progressive destruction of exocrine and endocrine tissue
Cause chronic pancreatitis
alcohol abuse idiopathic cigarette cystic fibrosis (children) genetic autoimmune pancreatitis
chronic pancreatitis complications
narcotic addiction DM gastroparesis malabsorption biliary stricture pancreatic carcinoma hereditary pancreatitis
Clinical chronic pancreatitis
abdominal pain anorexia maldigestion weight loss N/V steatorrhea tenderness over pancreas during attacks
Dx chronic pancreatitis
Amylase and lipase- mild to normal
Glucose elevated
Secretin test-abnormal if >60% of pancreatic exocrine fxn lost
Abdominal CT (initial)
Tx chronic pancreatitis
- low fat diet, refrain from alcohol
- steatorrhea: PDA approved pancreatic enzyme
- Endoscopic tx: sphincterotomy, stenting, stone extraction, drainage of pseudocyst
- Whipple, total pancreatectomy, autologous islet cell transplantation