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Gallstones Types






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Gallstones Types. Cholesterol stones Pigment stones black stones brown stones. Factors associated with black pigment stones formation. Chronic liver disease (increased frequency with severity) Ileal resection Chronic haemolysis sickle cell anaemia hereditary spherocytosis
Gallstones Types

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Gallstones types l.jpgSlide 1

GallstonesTypes

  • Cholesterol stones

  • Pigment stones

    • black stones

    • brown stones

Factors associated with black pigment stones formation l.jpgSlide 3

Factors associated with black pigment stones formation

  • Chronic liver disease (increased frequency with severity)

  • Ileal resection

  • Chronic haemolysis

    • sickle cell anaemia

    • hereditary spherocytosis

    • thalassemia major

  • Total parenteral nutrition

  • Vagotomy

Reasons for gallstone formation in cirrhosis l.jpgSlide 4

Reasons for gallstone formation in cirrhosis

  • Cirrhotic liver unable to convert all unconjugated bilirubin into bilirubin mono- and di-glucuronides

  • Small fraction of unconjugated bilirubin spills into bile

  • Unconjugated bilirubin precipitated with calcium

Brown pigment stones formation l.jpgSlide 5

Brown pigment stones formation

Bilirubin diglucuronide

hydrolysis by -glucuronidase

Unconjugated bilirubin

+Ca ion

Calcium bilirubinate

Cholesterol gallstones pathogenesis l.jpgSlide 6

Cholesterol gallstonesPathogenesis

  • Supersaturated bile with cholesterol due to enhanced hepatic synthesis

  • Low bile salt pool

  • Poor contractility of gallbladder

  • Excessive bile mucus glycoprotein

Calcified shadow at right upper abdomen in x ray differential diagnosis l.jpgSlide 11

Calcified shadow at right upper abdomen in X-rayDifferential diagnosis

Cholecystectomy for asymptomatic gallstones indication l.jpgSlide 12

Cholecystectomy for asymptomatic gallstonesIndication

  • Calcified gallbladder

  • Young patients with sickle cell disease

  • Patients on long-term TPN

Complications of gallstones inside the gallbladder l.jpgSlide 13

Complications of gallstonesInside the gallbladder

  • Acute cholecystitis

  • Empyema gallbladder

  • Mucocele of gallbladder

  • Carcinoma

Complications of gallstones outside the gallbladder l.jpgSlide 14

Complications of gallstonesOutside the gallbladder

  • Perforation into peritoneal cavity

  •  peritonitis or abscess

  • Perforation into duodenum, colon

  •  gallstone ileus

  • Perforation into liver bed

  •  liver abscess

  • Perforation into CBD

  •  bile duct obstruction (Mirizzi syndrome)

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Mirizzi syndrome

(Cholecystocholedochal fistula)

Complications of gallstones in the common bile duct l.jpgSlide 16

Complications of gallstonesIn the common bile duct

  • Obstructive jaundice

  • Acute cholangitis

  • Acute pancreatitis

Postcholecystectomy syndrome l.jpgSlide 17

Postcholecystectomy syndrome

  • Persistent symptom after cholecystectomy

  • Due to technical complication of cholecystectomy and/or missed pathology which is the real cause of original symptom

Postcholecystectomy syndrome investigation l.jpgSlide 18

Postcholecystectomy syndromeInvestigation

  • CBP, RFT, LFT, amylase

  • Upper endoscopy

  • US/CT

  • ERCP

  • HAG SMA

Acute cholangitis aetiology l.jpgSlide 19

Acute cholangitisAetiology

  • Stones

  • Malignancy

  • Biliary stricture

  • Anastomotic stricture

Slide20 l.jpgSlide 20

To hepatic vein cholangiovenous reflux

Cholangio-lymphatic reflux

Venous system

Stones obstructing the bile duct

Acute cholangitis aetiology21 l.jpgSlide 21

Acute cholangitisAetiology

  • Predisposing causes

    • obstruction to bile duct

    • bacterial growth in bile

Acute cholangitis l.jpgSlide 22

Acute cholangitis

  • Reynold’s pentad

  • Fever/chill/rigor

  • Right upper quadrant pain

  • Jaundice

  • Hypotension

  • Mental confusion

Acute cholangitis management initial conservative l.jpgSlide 23

Acute cholangitisManagement - initial & conservative

  • Nil by mouth

  • IV fluid

  • Blood tests

  • Blood crossmatch

  • Antibiotic

  • Analgesic

  • Monitoring

    • BP, pulse, temperature, urine output

Acute cholangitis rationale of conservative treatment l.jpgSlide 24

Acute cholangitisRationale of conservative treatment

  • 70% will resolve

  • Related to spontaneous stone disimpaction

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Acute cholangitisClinical manifestation of failure of conservative treatment

  •  temperature, pulse

  •  BP

  •  urine output

  •  sensorium

  •  abdominal tenderness, guarding

Acute cholangitis treatment for failure of conservatism l.jpgSlide 26

Acute cholangitisTreatment for failure of conservatism

  • Invasive monitoring

    • CVP

    • arterial line

    • pulmonary artery wedge pressure

  • Inotrope

  • Mannitol

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Acute cholangitisTreatment for failure of conservatism

  • Biliary decompression and drainage

  • Surgery

    • choledochotomy

    • exploration of CBD

    • T-tube drainage

    • avoid choledochoscopy

    • avoid cholangiography

    • ± cholecystectomy

Function of t tube after exploration of common bile duct l.jpgSlide 28

Function of T-tube after exploration of common bile duct

  • Serves to allow infected bile draining into the external environment and prevent elevation of intraductal pressure (and bile leakage through the suture line or holes) if there is oedema of lower end of CBD or residual CBD stones

  • For postoperative cholangiogram on day 7-10

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Action after T-tube cholangiogram

No residual CBD stone

Spigot T-tube

Fever +

Fever -

Release spigot

Keep T-tube spigot for 6 weeks

Re-do cholangiogram for possible CBD stone

Remove T-tube

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Action after T-tube cholangiogram

Residual CBD stone +

Keep T-tube for 2-3 months

Choledochoscopy via fibrous T-tube tract

Slide31 l.jpgSlide 31

T-tube in common bile duct and residual CBD stones

T-tube induces formation of fibrous tissue around it

Slide32 l.jpgSlide 32

Fibrous tract formed around T-tube serves as a

conduit for choledochoscopy

Slide33 l.jpgSlide 33

Insertion of choledochoscope into the common bile duct through T-tube tract for extraction of residual CBD stones

Acute cholangitis treatment for failure of conservatism34 l.jpgSlide 34

Acute cholangitisTreatment for failure of conservatism

  • Biliary decompression

  • Endoscopy

    • endoscopic retrograde cholangio-pancreatography

    • endoscopic papillotomy

    • basket removal of stone

    • nasobiliary drainage

    • endoprosthesis

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Nasobiliary drainage (NBD)

Nose

Slide39 l.jpgSlide 39

Endoprosthesis

Acute cholangitis comparison of treatment result l.jpgSlide 40

Acute cholangitisComparison of treatment result

Acute cholangitis treatment for failure of conservatism41 l.jpgSlide 41

Acute cholangitisTreatment for failure of conservatism

  • Biliary decompression

  • Radiology percutaneous transhepatic

    biliary drainage (PTBD)

Slide42 l.jpgSlide 42

Percutaneous transhepatic biliary drainage

(External type)

Slide43 l.jpgSlide 43

Percutaneous transhepatic biliary drainage

(External-internal type)

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Acute cholangitis

Strategy of treatment

Conservatism

Failure

Success

Endoscopic drainage

Imaging of bile duct

Radiological drainage

Surgery

Surgical drainage


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