Table 2.

Characteristics of the study patients

	n	%
Major underlying causes of PHT
Extrahepatic portal vein thrombosis	31	70
Associated with liver cirrhosis	7
Other causes (e.g., clotting disorder)	24
Liver cirrhosis	16	36
Metabolic/toxic	13
Viral hepatitis	2
Autoimmune hepatitis	1
Wilson’s disease	1	2
Rendu–Osler–Weber disease	1	2
Budd–Chiari syndrome	1	2
Post-hemihepatectomy lymph fistula	1	2
Signs and clinical findings in PHT
Esophagogastric varices	40	91
Splenomegaly	31	70
Ascites	19	43
Advanced stage symptomsa	3	7
Complications of PHT and indication for PSSS
Varices with previous bleeding episode	25	57
Acute variceal bleeding	2
Splenomegaly and secondary thrombocytopenia	19	43
Excessive ascites	5	11

PHT portal hypertension, PSSS portosystemic shunt surgery

^aHepatorenal syndrome, hepatic encephalopathy, spontaneous bacterial peritonitis