Linked Life Data

910390

Source:http://linkedlifedata.com/resource/pubmed/id/910390

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1977-11-30
pubmed:abstractText
Three vasoactive drugs--glucagon, acetylcholine and dopamine were used in calves with an implanted TAH to study their mere vascular effects. We noticed that glucagon, besides being a potent vasodilator, affected the vascular system gradually rather than instantly. Also, it allowed for the gradual recovery of the system, thus avoiding sudden fluctuations in systemic and pulmonary blood pressures. Glucagon was found to have a unique capability of decreasing vascular resistance with only a slight drop in systolic pressure. Acetylcholine action was rather instant, exhibiting a sudden fall in both systolic and diastolic blood pressures. In animals with a TAH, dopamine seemed to work differently from that in subjects with an intact natural heart. While many investigators failed to see any change in pulmonary vascular resistance due to dopamine injection in subjects with an intact natural heart, we noticed about 20% increase in pulmonary vascular resistance (with a dose of 10 muGm/Kg). However, at low dosages of dopamine, we did not notice any appreciable change in pulmonary vascular resistance, which suggests that its action is dose dependent. We tend to believe that glucagon offers promising results in controlling the pulmonary hypertension in calves with a TAH. It is, also, our opinion that further investigation on the vascular effects of dopamine would reveal more pertinent and interesting results and solve the existing discrepancies.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0066-0078
pubmed:author
pubmed:issnType
Print
pubmed:volume
23
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
611-6
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
1977
pubmed:articleTitle
Peripheral vascular effects of glucagon, acetylocholine and dopamine with an implanted total artificial heart (TAH).
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.