Management of Ascites in Patients with Liver Disease

Diagnostic Evaluation

The American Association for the Study of Liver Diseases recommends performing diagnostic paracentesis immediately in all patients with new-onset or worsening ascites before initiating any treatment, with approximately 75% 3-year survival in those who stop drinking compared to 0% in those who continue 1, 2, 3, 4.
Diagnostic paracentesis must be performed in all patients with new-onset grade 2 or 3 ascites, at every hospitalization for worsening ascites, and whenever any complication develops (fever, abdominal pain, GI bleeding, encephalopathy, hypotension, or renal insufficiency) 1, 3, 4.
Cell count with differential (neutrophil count >250 cells/mm³ indicates SBP requiring immediate antibiotics) 1, 3, 4, 6.
Ascitic fluid albumin to calculate serum-ascites albumin gradient (SAAG) 1, 2, 3, 4.
Ascitic fluid total protein (concentration <15 g/L indicates increased SBP risk) 1, 3, 4.
Inoculate 10 mL of ascitic fluid into blood culture bottles at the bedside before starting any antibiotics 1, 3, 4.

Alcohol abstinence is the most critical intervention and must be addressed immediately, with the European Association for the Study of the Liver recommending alcohol cessation as the single most effective intervention 1, 2, 5.
In patients with Child-Pugh class C alcoholic cirrhosis, the 3-year survival rate is approximately 75% for those who stop drinking versus 0% for those who continue 1, 2, 5.
Abstinence can result in dramatic improvement in the reversible component of alcoholic liver disease within months, improve liver fibrosis, lower portal pressure, eliminate ascites, and increase response to diuretics 1, 2, 5.

The American Association for the Study of Liver Diseases recommends starting with spironolactone 100 mg once daily as the initial diuretic, as secondary hyperaldosteronism is the primary driver of sodium retention in cirrhosis 1, 5, 6.
Add furosemide 40 mg once daily if spironolactone alone is insufficient or if hyperkalemia develops 5, 6.
Increase doses in a stepwise fashion while maintaining the 100:40 ratio (spironolactone:furosemide), up to maximum doses of 400 mg/day spironolactone and 160 mg/day furosemide 1, 5, 6.

Refractory ascites is defined as fluid overload unresponsive to maximum-dose diuretics (400 mg/day spironolactone and 160 mg/day furosemide) or rapid recurrence after therapeutic paracentesis 5, 6.
Serial large-volume paracentesis every 2-3 weeks with albumin infusion remains the most common palliative approach 5, 6.
Liver transplantation is the only curative option and should be considered for all patients with refractory ascites, regardless of MELD score 5, 6.

The development of ascites marks a critical milestone with approximately 15-20% mortality in the first year of diagnosis and 5-year survival of only 30-56% without liver transplantation 3, 4, 5, 7.
All patients with ascites should be evaluated for liver transplantation, preferably before the development of renal dysfunction to prevent further compromise of prognosis 3, 4, 5, 6.