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Primary SBP Prophylaxis — RACP Adult Medicine MCQ

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HardGastroenterology & HepatologyPrimary SBP ProphylaxisRACP Adult Medicine

A 60-year-old man with hepatitis C cirrhosis develops ascites. Ascitic fluid protein is 6 g/L, PMN 50/mm³. He has CKD. Is he a candidate for primary SBP prophylaxis?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: C — Yes – ascitic protein <15 g/L with renal dysfunction or liver failure

Primary SBP prophylaxis: ascitic protein <15 g/L plus either liver failure (Child-Pugh ≥9 + bilirubin ≥50) or renal dysfunction.

Reference: Baveno VII – 2022; eTG – 2025