Difference between revisions of "Central Nervous System - Vascular Pathology"

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* Vascular pathology if the CNS is less common in animals than in humans.
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* Pathologies include:
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** Thrombosis
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** Infarction
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** Haemorrhage
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* These can occur:
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** Spontaneously
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** Secondary to drug therapy
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** E.g. L-asparaginase or anti-coagulants.
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** With thrombocytopaenia or other bleeding disorders
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** With trauma
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** With hypertension
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** With atherosclerosis from hypothyroidism
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** With infection
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*** I.e. septic emboli.
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* MRI and CT may detect haemorrhage and infaction.
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==Hypertension Related Brain Haemorrhage==
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* Not uncommon in geriatric cats.
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** Hypertension is defined as a systolic pressure greater than 175mmHg.
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* The systemic hypertension may be:
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** Primary
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** Secondary to:
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*** Hyperthyroidism
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*** Chronic renal failure
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*** [[DM|Diabetes mellitus]]
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*** Acromegaly
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*** Chronic severe anaemia
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*** Hyperadrenocorticism
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*** Hyperaldosternism
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*** Phaeochromocytoma.
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* For this reason, cats presenting with forebrain disease should first have their blood pressure checked.
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** If raised, this should be treated before further investigation takes place.
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 +
 
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[[Category:Central Nervous System - Pathology]]

Latest revision as of 14:23, 8 March 2011

  • Vascular pathology if the CNS is less common in animals than in humans.
  • Pathologies include:
    • Thrombosis
    • Infarction
    • Haemorrhage
  • These can occur:
    • Spontaneously
    • Secondary to drug therapy
    • E.g. L-asparaginase or anti-coagulants.
    • With thrombocytopaenia or other bleeding disorders
    • With trauma
    • With hypertension
    • With atherosclerosis from hypothyroidism
    • With infection
      • I.e. septic emboli.
  • MRI and CT may detect haemorrhage and infaction.

Hypertension Related Brain Haemorrhage

  • Not uncommon in geriatric cats.
    • Hypertension is defined as a systolic pressure greater than 175mmHg.
  • The systemic hypertension may be:
    • Primary
    • Secondary to:
      • Hyperthyroidism
      • Chronic renal failure
      • Diabetes mellitus
      • Acromegaly
      • Chronic severe anaemia
      • Hyperadrenocorticism
      • Hyperaldosternism
      • Phaeochromocytoma.
  • For this reason, cats presenting with forebrain disease should first have their blood pressure checked.
    • If raised, this should be treated before further investigation takes place.