ALB and Cirrhosis: Additionally, intravenous immunoglobulin (IVIG) at 5 g/day was administered for three consecutive days as adjunctive immunomodulatory therapy, given the patient's profound hypogammaglobulinemia (albumin 2.4 g/dL, reflecting severely reduced hepatic synthetic function) and bacteremia risk in the setting of Child-Pugh class C cirrhosis.