Budd-Chiari syndrome
(World J Hepatol 2016;8:691)
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病因是陣發性睡眠性血紅蛋白尿症 (PNH)。 PNH 是一種造血幹細胞獲得性疾病,
- 血管內溶血
- 靜脈血栓
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所有 BCS 患者都應考慮對這種血液病進行檢測。
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Hepatic outflow obstruction
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2/2 occlusion of hepatic vein(s) or IVC → sinusoidal congestion and portal HTN.
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Can be 1° (eg, thrombosis) or 2° (eg, extravascular compression).
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~50% due to myeloprolif
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a/w JAK2 mutations (P. vera, etc.),
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hypercoag states (systemic, OCP, pregnancy),
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tumor invasion (HCC, renal, adrenal),
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trauma,
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idiopathic
- hepatomegaly, RUQ pain, ascites, dilated venous collaterals, acute liver failure
- diagnostic test of Budd-Chiari syndrome:
- Treatment: Rx underlying condition, anticoag (LMWH → warfarin); consider thrombolysis if acute; angioplasty & stent if short stenosis; consider TIPS or DIPS (U/S-guided direct intrahepatic portosystemic shunt) (if other methods fail to treat sx of portal HTN); liver transplant if ALF or failed other options