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Paediatric

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Gastro Intestinal System

Question
53 out of 56
 

Portal hypertension in children in India is commonly due to -(AIIMS Nov 2013)



A Indian childhood cirrhosis

B Extrahepatic portal venous obstruction

C Idiopathic portal hypertension

D Hepatic out flow tract obstruction

Ans. B

Extrahepatic portal venous obstruction

Portal hypertension

a. Normal portal venous pressure is 7 mm Hg.

b. Portal hypertension is defas an elevation of portal pressure

Etiology

a. FIow from portal system is as follows –

Causes of portal hypertension may be divinto -

a. Presinusoidal (Extrahepatic or prehsptic)

i. It is the most common cause of portal hypertension in chidern.

ii. It is due to portal vein obstruction from any cause.

b. Sinusoidal (Hepatic)

i. It is due to intrahepatic obstruction

ii. Most common cause is cirrhosis of lfrom any cause (viral or autoimmune hepatitis, wilson's disease).

c. Post sinusoidal (Post hepatic)

i. It is due to obstruction in hepatic vein or IVC e.g. Budd - Chiari syndrome.

Gastro Intestinal System Flashcard List

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