Advances in the diagnosis and management of clinically significant portal hypertension in cirrhosis: A narrative review

Table 1 Classification of portal hypertension

Classification	Etiologies
Prehepatic	Portal vein thrombosis
	Splenic vein thrombosis
	Congenital venous abnormalities
Intrahepatic	Presinusoidal: Hepatoportal sclerosis; schistosomiasis; myeloproliferative diseases; sarcoidosis; early stage of primary biliary cholangitis; primary sclerosing cholangitis; congenital hepatic fibrosis; arsenic toxicity
	Sinusoidal: Cirrhosis; alcohol-associated hepatitis; nodular regenerative hyperplasia
	Postsinusoidal: Veno-occlusive disease
Posthepatic	Budd-Chiari
	Heart failure
	Pulmonary hypertension
	Constrictive pericarditis