Comparative Effects of Ramipril on Ambulatory and Office Blood Pressures
Why this work is in the frame
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Bibliographic record
Abstract
In the HOPE-trial, the ACE inhibitor ramipril significantly reduced cardiovascular morbidity and mortality in patients at high risk for cardiovascular events. The benefit could only partly be attributed to the modest mean reduction of office blood pressure (OBP) during the study period (3/2 mm Hg). However, because according to the HOPE protocol ramipril was given once daily at bedtime and blood pressure was measured during the day, the 24-hour reduction of blood pressure may be underestimated based on OBP. Thirty-eight patients with peripheral arterial disease enrolled in the HOPE study underwent 24-hour ambulatory blood pressure (ABP) measurement before randomization and after 1 year. OBP was measured in the sitting position immediately before fitting the ABP measuring equipment to the patients. Ramipril did not significantly reduce OBP (8/2 mm Hg, P=NS) or day ABP (6/2 mm Hg, P=NS) after 1 year. Twenty-four-hour ABP was significantly reduced (10/4 mm Hg, P=0.03), mainly because of a more pronounced blood pressure lowering effect during nighttime (17/8 mm Hg, P<0.001). The night/day ratio was also significantly lowered in the ramipril group. ABP shows greater falls, especially at night, than OBP during treatment with ramipril given once daily at bedtime. Although, OBP is the correct comparator when comparing with previous large intervention trials and epidemiological studies, the effects on cardiovascular morbidity and mortality seen with ramipril in the HOPE study may, to a larger extent than previously ascribed, relate to effects on blood pressure patterns over the 24-hour period.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it