What question did this study set out to answer?

This research aims to understand how angiotensin II influences aldosterone levels during sodium deficiency in men.

January 1, 1972Clinical Science

The Role of Angiotensin II in the Control of Aldosterone in Man

View Full Paper

Ask AI

Bookmark

Why the study?

Does angiotensin II fully account for the increase in aldosterone during sodium deficiency in normal male subjects?

Population

Normal male subjects

Comparison

5 days of sodium restriction with an injection… vs Intravenous infusions of angiotensin II given in…

Design

Other

Follow-up

5 days (for sodium restriction phase)

Authors

GBG. W. BoydUniversity of Tasmania AAA.R. AdamsonUniversity of Manchester MAMarion ArnoldSt. Mary’s Hospital

Discussion

Member takes

Implication

Other factors beyond angiotensin II are required for full aldosterone response to sodium deficiency; leaves open their identification.

Key Points

This research aims to understand how angiotensin II influences aldosterone levels during sodium deficiency in men.
Investigated the relationship between plasma angiotensin II and aldosterone in normal male subjects over five days of sodium restriction.
Administered frusemide on the third day to examine its effect alongside sodium deficiency.
Compared hormonal responses during sodium deficiency and intravenous angiotensin II infusions under normal sodium balance.
Both aldosterone and angiotensin II levels increased during sodium deficiency, with aldosterone rising significantly higher than during angiotensin II infusion under normal sodium.
The mechanisms including plasma Na+, K+, and ACTH were insufficient to explain the higher aldosterone response to sodium deficiency.
No evidence suggested increased adrenal sensitivity during sodium deficiency contributed to this heightened aldosterone response.

Structured PICO

Does angiotensin II fully account for the increase in aldosterone during sodium deficiency in normal male subjects?

Population

Normal male subjects

Intervention

5 days of sodium restriction with an injection of frusemide on the third day

Comparator

Intravenous infusions of angiotensin II given in normal sodium balance

Outcome

Plasma concentrations of aldosterone and angiotensin IIsurrogate

The study suggests that factors other than angiotensin II are necessary to account for the full aldosterone response to sodium deficiency in humans.

Cite This Study

Boyd et al. (1972) studied this question.

synapsesocial.com/papers/6a22729914901001fcff5d47 https://doi.org/10.1042/cs0420091

View Full Paper

Ask AI

Bookmark

The Role of Angiotensin II in the Control of Aldosterone in Man

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

The Role of Angiotensin II in the Control of Aldosterone in Man

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Also Consider