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Hepatic Microvascular Dysplasia (view source)
Revision as of 08:39, 1 October 2010
, 08:39, 1 October 2010no edit summary
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Also known as: '''''Intrahepatic Portovascular Dysplasia<br>MD
==Description==
See also: '''[[Portosystemic Shunt]]'''
==Introduction==
Microvascular dysplasia (MD) is a congenital defect of the hepatic vasculature that results in abnormal communication between the portal and systemic venous circulation. Unlike [[Portosystemic Shunt|portosystemic shunting]] (PSS), microvascular dysplasia is not grossly evident and occurs due to vascular connections between microscopic blood vessels. The defect is thought to occur at the level of the terminal portal veins. MD may occur in conjunction with a gross shunting vessel and it does cause clinical signs which are very similar to those observed in animals with portosystemic shunts.
Microvascular dysplasia (MD) is a congenital defect of the hepatic vasculature that results in abnormal communication between the portal and systemic venous circulation. Unlike [[Portosystemic Shunt|portosystemic shunting]] (PSS), microvascular dysplasia is not grossly evident and occurs due to vascular connections between microscopic blood vessels. The defect is thought to occur at the level of the terminal portal veins. MD may occur in conjunction with a gross shunting vessel and it does cause clinical signs which are very similar to those observed in animals with portosystemic shunts.
==Prognosis==
==Prognosis==
With symptomatic treatment for hepatic encephalopathy, animals with MD can be expected to live with good quality of life for up to 5 years <ref> Christiansen JS, Hottinger HA, Allen L, Phillips L, Aronson LR. Hepatic microvascular dysplasia in dogs: a retrospective study of 24 cases (1987-1995). J Am Anim Hosp Assoc. 2000 Sep-Oct;36(5):385-9. </ref>.
With symptomatic treatment for hepatic encephalopathy, animals with MD can be expected to live with good quality of life for up to 5 years <ref> Christiansen JS, Hottinger HA, Allen L, Phillips L, Aronson LR. Hepatic microvascular dysplasia in dogs: a retrospective study of 24 cases (1987-1995). J Am Anim Hosp Assoc. 2000 Sep-Oct;36(5):385-9. </ref>.
==Literature Search==
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[http://www.cabdirect.org/search.html?q=%28%28title%3A%28Intrahepatic%29+AND+title%3A%28%22Portovascular+Dysplasia%22%29%29%29+OR+%28%28title%3A%28Hepatic%29+AND+title%3A%28%22Microvascular+Dysplasia%22%29%29%29 Hepatic Microvascular Dysplasia publications]
==References==
==References==