Gallbladder problems Flashcards
Why does biliary colic occur
Gallbladder neck becomes impacted by a gallstone. Contraction of the gallbladder against occluded neck will cause pain
there is no inflammatory response
What type of pain is associated with biliary colic
Sudden, dull and achey
Comes in waves
in RUQ
What makes biliary colic worse
Consumption of fatty foods
causes secretion of cholecystikinin and this causes the gallbladder to contract
What are the risk factors for developing gallstones
5Fs Female Fat Fertile Forty Family hx
Other recognised risk factors
- pregnancy
- COCP - oestrogen causes more cholestrol to be secreted into the bile
- malabsorption - crohns
- haemolytic anaemia
What are the clinical features of acute cholcystitis
Tender in the RUQ
Positive Murphys sign
Pain more constant and persistent despite pain relief
Signs of inflammation - increased temp, increased WCC
Fever
What are the differentials for RUQ
GORD
Acute pancreatitis
Peptic ulcer disease
inflammatory bowel disease
How would you investigate RUQ
Bedside obs
Urine dip - rule out renal or tubo-ovarian pathology
Pregnancy test
Bloods
- FBC and CRP - inflammation
- U+Es - assess for dehydration
- LFTs - in biliary colic and acute cholecystitis just raised ALP
with cholangitis there will be raised ALP, GGT an raised bilirubin
- Amylase
- Blood cultures in suspected cholangitis
Imaging
- trans-abdominal USS
*presence of gallstones
*gallbladder wall thickening
*bile duct dilatation
MRCP - gold standard for biliary colic and cholecystitis, can show potential defects in biliary tree
ERCP - gold standard for cholangitis - both diagnostic and therapeutic
What is the initial management for biliary colic
IV Access - bloods taken
If poor U+Es - fluids
Analgesia - NSAIDs and PRN opiods
Antiemetic
Lifestyle advice - lose weight - low fat diet - increase exercise Provided with PRN analgesia at discharge
What is the definitive treatment for Biliary colic
high chance of symptom recurrence or development of complications
- elective cholecystectomy - ideally offering within 6 weeks of presentation
What is the initial management for acute cholecystitis
IV access bloods Fluid resuscitation analgesia and antiemetic IV abx - co-amoxiclav +/- metrondiazole NG tube if pt vomiting Pt made NBM - ultrasound more sensitive if absence of bowel gas
What is the definitive management in acute cholecystitis
Laparoscopic cholecystectomy indicated within 1 week
should ideally be done within 72hrs of presentation
What is the pathophysiology of ascending cholangitis
biliary outflow obstruction causes stasis of fluid and increased elevated intraluminal pressure which allows bacterial colonisation of the biliary tree to become pathological
Which organisms commonly cause cholangitis
E.coli
Klebsiella
Enterococcus
What are the causes of cholangitis
Any condition that causes obstruction of the biliary tree
- gallstones
- ERCP
- cholangiocarcinoma
Rarer causes include
- pancreatitis
- primary sclerosing cholangitis
- ischaemic cholangiopathy
- parasitic infections
How does cholangitis present
RUQ pain
Jaundice (bilirubin >50umol/L)
Fever
(charcots triad)
On examination
- rigors
- pyrexia
- RUQ tenderness
- confusion
- hypotension
- tachycardia
PmHx - may include previous gallstones, recent bilary intrumentation or previous cholangitis