Gallstones Flashcards
What is biliary colic?
Occurs when the gallbladder neck becomes obstructed by a gallstone. There is no inflammatory response, yet the contraction of the gallbladder against the occluded neck will result in pain.
What is acute cholecystitis?
Acute gallbladder inflammation usually caused by impaction of a gallstone in wall, often causing cystic duct obstruction
What are types of gallstones and what causes them?
Cholesterol: poor diet, obesity
Pigmented: bile pigments e.g. haemolytic anaemia
Mixed
What are rick factors for getting gallstones?
- Females
- Fertile
- Overweight
- Fertile
- 40
- Pregnancy
- Oral contraceptive pill
- Haemolytic anaemia
- Malabsorption
What are Sx of biliary colic?
Cramping pain in RUQ precipitated by eating fatty foods, radiating to back
Nausea and vomiting
Relieved by analgesia
What are Sx of acute cholecystitis
Constant RUQ/epigrastric pain
Fever, lethargy,
Murphy’s sign
What is acute cholangitis?
Infection of the biliary tract caused by biliary outflow obstruction and infection
What are causes of acute cholangitis?
• Gallstones moving to CBD
• ERCP
• Cholangiocarcinoma
PSC
What are Sx of acute cholangitis?
Charcot’s triad: severe RUQ pain, swinging fever, obstructive jaundice
What are differentials for gallstones?
GORD
PUD
Acute pancreatitis
IBD
What Ix in gallstones?
Bloods: CRP/WCC raised.
LFTs: colic and cholecystitis will show raised ALP but normal bilirubin. Cholangitis will have obstructive jaundice.
Amylase should be done to exclude pancreatitis
Imaging: US. Can show stones, wall thickening, bile duct dilation.
If US inconclusive, do MRCP or ERCP
What is Rx of biliary colic?
Analgesia: paracetamol+ NSAIDs, lifestyle modification (diet)
Cholecystectomy within
6 weeks due to high rate of recurrence
What is Rx of acute cholecystitis?
IV Abx.
Cholecystectomy in 3-7 days.
If not fit for surgery, percutaneous cholecystostomy
What is Rx of CBD stones?
ERCP with stone removal, followed by cholecystectomy
What are complications of gallstones?
Gallstone pancreatitis
Gallstone ileus: following fistula. Need laparotomy.
Cholangitis
Mirizzi syndrome
Empyema: cholecystectomy