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Complications of Cirrhosis: MCCQE Notes

Ascites, SBP, encephalopathy, varices and hepatorenal syndrome — each with a treatment the exam expects verbatim.

MCCQEGastroenterology6 min read

Ascites

Diagnostic paracentesis on every new ascites. Calculate the serum–ascites albumin gradient:

  • SAAG ≥ 11 g/L → portal hypertension (cirrhosis, heart failure, Budd–Chiari)
  • SAAG < 11 g/L → not portal hypertension (peritoneal malignancy, tuberculosis, pancreatic, nephrotic)

Management: sodium restriction (about 2 g/day) plus spironolactone with furosemide, conventionally in a 100:40 ratio. Fluid restriction only for sodium below about 125 mmol/L. Large-volume paracentesis for tense ascites, with albumin replacement when more than 5 L is removed.

Spontaneous bacterial peritonitis

Ascitic neutrophil count ≥ 250 cells/mm³. You do not wait for the culture.

  • Cefotaxime or ceftriaxone
  • IV albumin on day 1 and day 3 — this reduces hepatorenal syndrome and mortality, and is the step candidates omit
  • Secondary prophylaxis afterwards with norfloxacin or co-trimoxazole, lifelong or until transplant
  • Avoid beta-blockers during an episode

Suspect it in any decompensation without an obvious cause: new encephalopathy, worsening renal function, or simply feeling unwell.

Hepatic encephalopathy

A clinical diagnosis. Ammonia levels do not correlate well and are not needed to diagnose or to follow it.

  • Lactulose — titrated to 2–3 soft stools a day
  • Rifaximin added for recurrence
  • Find the precipitant: GI bleeding, infection, constipation, dehydration, electrolyte disturbance, sedatives, non-adherence, TIPS

Varices

  • Screening endoscopy at diagnosis of cirrhosis
  • Primary prophylaxis for medium/large varices: non-selective beta-blocker (propranolol, nadolol, or carvedilol) or band ligation — not both
  • Secondary prophylaxis after a bleed: beta-blocker and band ligation

Hepatorenal syndrome

Functional renal failure in advanced liver disease, diagnosed after excluding everything else: no shock, no nephrotoxins, no improvement after withdrawing diuretics and giving albumin 1 g/kg for 2 days, and a bland urinary sediment with very low urinary sodium.

Treatment is terlipressin (or octreotide plus midodrine) with albumin, and liver transplantation is the only definitive answer.

Surveillance and the bigger picture

  • Hepatocellular carcinoma: ultrasound every 6 months, with or without AFP
  • Vaccinate against hepatitis A and B, influenza and pneumococcus
  • Avoid NSAIDs entirely — they precipitate renal failure and bleeding
  • Refer for transplant assessment early; MELD-Na drives allocation
  • Alcohol cessation changes the trajectory at any stage
cirrhosishepatologygastroenterologymccqe

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