Approach to GI and Liver Therapy Flashcards

1
Q

what can we use to treat inflammation (IBD, hepatitis)?

A

glucocorticoids
cyclosporin

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2
Q

what is budesonide?

A

locally acting glucocorticoid effective for GI disease

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3
Q

what infections might we treat in the GI and liver?

A

parasites
bacterial
viral
protozoal

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4
Q

what infections can we see with bacteria in the liver?

A

neutrophilic cholangitis in cats
bacterial cholecystitis in dogs, can be associated with mucoceles

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5
Q

what neoplasms are common in the GI and liver?

A

round cell tumors

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6
Q

what is the vomiting center?

A

lateral reticular formation in medulla oblongata
afferent sensory co-ordination
efferent signals to initiate vomiting

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7
Q

what receptors are in the emetic center?

A

alpha 2-adrenergic
serotonergic
NK-1

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8
Q

which receptors are peripheral for vomiting?

A

5HT3
NK-1

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9
Q

what do the effects of ondansetron appear to be mediated primarily by?

A

its antagonism of the peripheral receptors

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10
Q

what should you do if you are treating nausea/vomiting?

A

give maropitant citrate
if still nauseated, especially if GI is causing it: add ondansetron
if ileus/gastric distension: consider metoclopramide instead or with ondansetron

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11
Q

what is the drug of choice for megacolon in cats?

A

cisapride

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12
Q

when are antacids indicated?

A

known ulceration
NSAID toxicity
esophagitis

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13
Q

should you give an antacid to combat gastric hyperacidity in a patient that is not eating?

A

no

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14
Q

is ALP or ALT more specific for liver injury?

A

ALT

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15
Q

which glucocorticoids can we use to treat inflammation?

A

prednisone/prednisolone for liver and GI
budesonide common for GI

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16
Q

what can we use to treat cestodes?

A

praziquantel

17
Q

what can we use to treat trematodes?

A

praziquantel

18
Q

what do we generally treat round cell tumors with?

A

chemotherapy

19
Q

how do we usually treat primary GI and liver tumors?

A

surgery is treatment of choice

20
Q

what does the vomiting center receive input from?

A

CRTZ
cerebral cortex
vestibular apparatus
visceral afferent

21
Q

which receptors are in the chemoreceptors trigger zone?

A

dopaminergic
NK1
5HT3
cholinergic
histaminergic

22
Q

which receptors are peripheral for vomiting?

A

5HT3
NK1

23
Q

how does ondansetron primarily work?

A

antagonism of peripheral receptors

24
Q

who should you not use capromorelin (growth hormone receptor agonist) in?

A

diabetics

25
Q

what is the default reaction to elevated liver enzymes for many?

A

starting denosyl/denamarin