Augmented Pulmonary Vascular and Venous Constrictions to N<sup>G</sup>-Nitro-<i>L</i>-Arginine Methyl Ester in Rats with Monocrotaline-Induced Pulmonary Hypertension
Bibliographic record
Abstract
The hemodynamic effects of N(G)-nitro-L-arginine methyl ester (L-NAME, inhibitor of nitric oxide (NO) synthase) were examined in thiobutabarbital-anesthetized control-rats and rats with monocrotaline-induced pulmonary hypertension. L-NAME (1-16 mg/kg i.v.) increased mean arterial pressure, systemic vascular resistance, venous resistance and pulmonary vascular resistance, and decreased cardiac output in both the control and pulmonary hypertensive rats. Relative to the controls, L-NAME (16 mg/kg) caused a smaller increase (approximately 50% of control) in mean arterial pressure in the pulmonary hypertensive rats, but greater increases in venous (approximately 200%) as well as pulmonary vascular (approximately 400%) resistances and a greater decrease in cardiac output (approximately 140%). The results show that NO is an important dilator within the arterial, venous and pulmonary circulation; its pulmonary and venous dilator roles are augmented in pulmonary hypertension.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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".