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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
1976-9-1
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pubmed:abstractText |
Carbohydrate metabolism and insulin secretion were investigated in 26 patients with Parkinson's disease before and during L-dopa treatment. Oral glucose tolerance tests were performed on 13 patients treated with L-dopa alone and on 7 patients treated with L-dopa combined with Carbidopa. Intravenous glucose tolerance tests were performed on additional 6 patients treated with L-dopa alone. Results indicate that chronic L-dopa administration does not modify glucose metabolism. It was observed only a significant decrease of insulin secretion after oral glucose in the early phase (15th day) of treatment with L-dopa alone. This temporary effect may be related to the peripheral conversion of L-dopa to dopamine since insulin secretion during combined therapy was normal. The mechanism by which L-dopa transiently inhibits insulin release is not clear. Perhaps the oral administration of L-dopa alone causes an alteration in some gastrointestinal functions which are involved in the handling of oral glucose.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:issn |
0014-3022
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
14
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
229-39
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pubmed:dateRevised |
2011-11-17
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pubmed:meshHeading |
pubmed-meshheading:1278195-Adult,
pubmed-meshheading:1278195-Aged,
pubmed-meshheading:1278195-Blood Glucose,
pubmed-meshheading:1278195-Carbohydrate Metabolism,
pubmed-meshheading:1278195-Female,
pubmed-meshheading:1278195-Glucose Tolerance Test,
pubmed-meshheading:1278195-Humans,
pubmed-meshheading:1278195-Insulin,
pubmed-meshheading:1278195-Levodopa,
pubmed-meshheading:1278195-Male,
pubmed-meshheading:1278195-Middle Aged,
pubmed-meshheading:1278195-Parkinson Disease,
pubmed-meshheading:1278195-Time Factors
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pubmed:year |
1976
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pubmed:articleTitle |
Effects of long-term L-dopa therapy on carbohydrate metabolism in patients with Parkinson's disease.
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pubmed:publicationType |
Journal Article
|