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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
1995-12-7
pubmed:abstractText
Different antihypertensive treatment regimes were studied in rats during long-term inhibition of nitric oxide synthesis. Male Munich Wistar rats (weight 150-200 g) were put on oral L-nitro-arginine methyl ester (L-NAME, 50 mg/l drinking water) for 12 weeks. The control group (n = 16) received only tap water. Six weeks after starting L-NAME administration rats were divided into 7 groups (n = 13 in each group: group 1, no treatment; group 2, l-arginine 1 g/l drinking water; group 3, doxazosin 30 mg/kg/day; group 4, felodipine 25-30 mg/kg/day; group 5, losartan 40 mg/kg/day; group 6, metoprolol 300-350 mg/kg/day, and group 7, ramipril 1 mg/kg/day. Systolic blood pressure (sBP) was measured in the conscious rat 1, 6, and 12 weeks after study begin. After a treatment period of 6 weeks albuminuria, glomerular filtration rate (GFR) and renal plasma flow (RPF; inulin and p-aminohippuric acid clearance) were analyzed. All rats showed a significant increase in sBP under 6 weeks of L-NAME administration. Control rats remained normotensive during the whole study period. Rats receiving L-NAME without antihypertensive treatment showed a further increase in sBP after 12 weeks. Blood pressure was lowered in all treated animals, except in rats receiving l-arginine. Values for GFR were lowest in the placebo group, the l-arginine group and in rats receiving felodipine (p < 0.05 compared to the control group). RPF was lowest in the placebo group, the l-arginine group, the felodipine group and the ramipril group (p < 0.05 compared to the control group).(ABSTRACT TRUNCATED AT 250 WORDS)
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1018-7782
pubmed:author
pubmed:issnType
Print
pubmed:volume
3
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
293-9
pubmed:dateRevised
2005-11-17
pubmed:meshHeading
pubmed:articleTitle
Effects of antihypertensive therapy on blood pressure and renal function in rats with hypertension due to chronic blockade of nitric oxide synthesis.
pubmed:affiliation
Medical Clinic, University of Tübingen, Germany.
pubmed:publicationType
Journal Article