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Difficulty: HardGastroenterology and Hepatology

Match each clinical presentation or hemodynamic profile in a patient with advanced liver cirrhosis to the most appropriate systemic complication.

  • Progressive hypoxemia and dyspnea that paradoxically worsens when the patient moves from a supine to an upright position (platypnea-orthodeoxia).Hepatopulmonary syndrome
  • Rapidly progressive acute kidney injury lacking improvement after 48 hours of diuretic withdrawal and volume expansion with intravenous albumin, alongside a normal urinary sediment.Hepatorenal syndrome
  • Exertional dyspnea and a right ventricular heave; right heart catheterization reveals a mean pulmonary arterial pressure of 35 mmHg and a pulmonary capillary wedge pressure of 10 mmHg.Portopulmonary hypertension
  • Unilateral right-sided pleural effusion with transudative characteristics in the absence of primary cardiac, pulmonary, or pleural disease.Hepatic hydrothorax

Answer

The correct pairings identify hepatopulmonary syndrome by orthodeoxia, hepatorenal syndrome by volume-refractory acute kidney injury, portopulmonary hypertension by elevated pulmonary pressures with normal wedge pressure, and hepatic hydrothorax by a right-sided transudative effusion.
Each clinical presentation perfectly aligns with the established diagnostic criteria for systemic complications of cirrhosis. The key to differentiating them lies in recognizing specific defining features: orthodeoxia for hepatopulmonary syndrome, albumin-refractory kidney injury for hepatorenal syndrome, precapillary hypertension hemodynamics for portopulmonary hypertension, and a right-sided transudate for hepatic hydrothorax.

Step-by-Step Solution

1
Evaluate the pulmonary presentation involving positional hypoxemia.
Matches Hepatopulmonary syndrome.
Platypnea and orthodeoxia are the classic hallmarks of intrapulmonary vascular dilations found in hepatopulmonary syndrome, as gravity redirects blood to the dilated basilar vessels when the patient stands.
2
Assess the renal presentation of volume-unresponsive kidney injury.
Matches Hepatorenal syndrome.
The strict diagnostic criteria for hepatorenal syndrome require lack of improvement in renal function after 48 hours of holding diuretics and administering intravenous albumin, with no other identifiable cause of renal disease.
3
Analyze the right heart catheterization hemodynamics (mPAP 35 mmHg, PCWP 10 mmHg).
Matches Portopulmonary hypertension.
These findings indicate precapillary pulmonary hypertension (elevated pulmonary pressures with normal left-sided filling pressures), which in the setting of liver disease is diagnostic of portopulmonary hypertension.
4
Identify the cause of an isolated right-sided transudative pleural effusion in a cirrhotic patient.
Matches Hepatic hydrothorax.
Without primary cardiopulmonary disease, a transudative right pleural effusion in cirrhosis is driven by the transfer of ascites through small diaphragmatic defects.

Key Concept

Differentiating the major systemic complications of advanced liver cirrhosis based on specific clinical criteria and distinct pathophysiological mechanisms.
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Topics

Gastroenterology and Hepatology

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