Category Anesthesia

Acute liver failure

Introduction Acute liver failure (ALF), also known as fulminant hepatic failure, is a compelling example of complex critical illness. The initiating event is extreme liver injury from a variety of possible causes. Thereafter, a severe multisystem critical illness rapidly develops,…

Hepatic encephalopathy

Hepatic encephalopathy encompasses a spectrum of neuropsychiatric abnormalities that occur in patients with liver disease in the absence of other brain disease. , The spectrum includes personality changes, impaired mental function, motor abnormalities (i.e., asterixis, tremors, hyperventilation, hyperactive reflexes), and…

Hepatopulmonary syndrome

Definition Hepatopulmonary syndrome (HPS) is defined by an abnormally low arterial oxygen level associated with intrapulmonary vascular dilatations (IPVDs) in patients with liver disease. The presence of coexisting cardiopulmonary disease, which may contribute to impaired gas exchange, should be considered…

Hepatorenal syndrome

An association between advanced liver disease, ascites, and renal failure described in 1861 was named hepatorenal syndrome (HRS) by Helvig and Schutz in 1932. Until recently, HRS has been thought of as a purely functional form of renal failure without…

Inotropic therapy

Rationale for using inotropic therapy in the critically ill Two different objectives for using inotropes in the critically ill have been considered: (1) the attempt to improve cardiac function in patients with low blood flow related to reduced myocardial contractility…