Experiment 1215706
Worktypes
Compounds isolated
Details
| Property | Value |
|---|---|
| Pharmacology | |
| Administration route | ORAL |
| Organism | Empty organism |
| Citation | SHARP,DS: BENOWITZ,NL:. (1990). PHARMACOEPIDEMIOLOGY OF THE EFFECT OF CAFFEINE ON BLOOD PRESSURE.. 47(1) |
| Amount utilized | |
| Compound isolated | |
| Disease | THE EFFECT OF CAFFEINE ON THE BLOOD PRESSURE OF HABITUAL VS. INFREQUENT CAFFEINE USERS WAS COMPARED BY REGRESSION ANALYSIS. AT SERUM CAFFEINE LEVELS OF 0.0 NG/ML NO DIFFERENCE WAS FOUND. AT SERUM CAFFEINE LEVELS OF 3000 NG/ML, BLOOD PRESSURE WAS SIGNIFICANTLY HIGHER IN INFREQUENT USERS, AS THE HABITUAL USERS HAD DEVELOPED A TOLERANCE TO CAFFEINE'S HYPERTENSIVE EFFECTS. THE DIFFERENCE WAS 5.3 MM-HG SYSTOLIC AND 3.6 MM-HG DIASTOLIC, LARGE ENOUGH TO EXAGGERATE PREVALENCE OF HYPERTENSION IN CROSS-SECTIONAL SURVEYS THAT FAIL TO ASSESS BOTH PROXIMATE CAFFEINE CONSUMPTION AND USUAL CAFFEINE USE BY PARTICIPANTS. |
| Dose amount | VAR |
| Number | 1 |
| Qualitative result | ACTIVE |
| Animal | HUMAN ADULT |
| Dose expression | DOSE |