Plasma Aldosterone Response to Metoclopramide Is Unmodified by Hyperprolactinemia
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Bibliographic record
Abstract
It has been previously demonstrated that patients with hyperprolactinemia have impaired PRL response to dopaminergic blockade and increased TSH response. Since inhibitory dopaminergic modulation of aldosterone is well established, we have examined whether prolactinoma patients have an altered aldosterone response to dopaminergic blockade. To investigate this possibility we compared the plasma PRL, TSH and aldosterone responses to the dopamine (DA) antagonist metoclopramide (MCP; 10 mg i.v.) in 10 women with prolactinomas and 7 healthy female controls. Basal PRL levels in prolactinoma patients were elevated and showed a blunted rise following MCP. Although basal TSH levels were similar in the 2 groups of subjects, they significantly increased (p = 0.017) in prolactinoma patients while in contrast they did not significantly change in control subjects. Basal supine plasma aldosterone was similar in patients with prolactinomas (0.23 +/- 0.03 nmol/l) and in healthy subjects (0.25 +/- 0.04 nmol/l) and the increased aldosterone concentrations from 15 to 120 min following MCP were not significantly different in prolactinoma patients and in control subjects. It is concluded that in patients with prolactinomas, the alteration in the dopaminergic regulation is specifically related to the lactotroph.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 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 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.002 |
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