Heart-Heath Intervention reduces cognitive decline in mild cognitive impairment of the cerebrovascular type: a randomized, placebo-controlled clinical trial (I9-3A)
Bibliographic record
Abstract
Objective: Clinical trial of the Heart-Health Nursing Intervention to modify vascular risk factors for cognitive decline in subjects with mild cognitive impairment due to cerebrovascular disease: preliminary results Background: Cerebrovascular disease is a major cause and comorbid pathology in community-based elderly populations. It is unknown whether aggressive risk factor modification can prevent further cognitive decline or allow improvement in cognitive function in such individuals. Design/Methods: Randomized, placebo-controlled clinical trial of the Heart-Health Intervention in subjects age >54 years with mild cognitive impairment presumed due to cerebrovascular disease. Subjects were enrolled and underwent cognitive testing at 6 month intervals, as well as brain imaging and CSF collection at baseline. Standard comparative statistics were used to assess efficacy of the Heart-Health nursing education intervention in the early stages of the trial. Results: Baseline MRI scans confirmed significant vascular pathology as responsible for the cognitive impairment in the subjects recruited. While Placebo treated subjects declined an average of 0.7 points annually on the Montreal Cognitive Assessment and 2.7 points on the California Verbal Learning Test trail 1-5 learning, subjects undergoing the Heart-Health Intervention improved on average 1.5 and 1.25 points on these tests respectively in the first 6 months of engagement in the trial (p<0.05). Conclusions: Aggressive risk factor modification and vascular risk education programming shows early benefit in a randomized, placebo-controlled clinical trial in subjects with mild cognitive impairment due to underlying cerebrovascular disease. The total duration of the trial is 36 months, and so it is unknown if the effects of the intervention will be sustained throughout the entire study treatment period. While these preliminary results are encouraging, completion of the trial is necessary to adequately judge the potential benefit of this intervention in preventing further cognitive decline and progression to fulminate vascular dementia.
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How this classification was reachedexpand
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 | 0.002 | 0.010 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".