What does this research mean for the field?

Captopril effectively reduces blood pressure in patients with renal artery stenosis and intractable hypertension by decreasing plasma angiotensin II and aldosterone levels, with these biochemical changes sustaining over prolonged treatment. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research investigates how captopril affects blood pressure and components of the renin-angiotensin-aldosterone system in hypertensive patients.

September 1, 1980HeartOpen Access

Captopril in clinical hypertension. Changes in components of renin-angiotensin system and in body composition in relation to fall in blood pressure with a note on measurement of angiotensin II during converting enzyme inhibition.

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Why the study?

Does captopril reduce arterial pressure and alter the renin-angiotensin-aldosterone system in patients with renovascular or intractable hypertension?

Population

15 patients

Design

Case_series

Follow-up

up to 6 weeks (and prolonged treatment)

Authors

AAA. B. AtkinsonUniversity of Waterloo JMJohn J. MortonStrong Memorial Hospital JBJ. J. BrownWestern Infirmary

Discussion

Member takes

Implication

May support captopril in renovascular hypertension; leaves open confirmation in randomized trials.

Key Points

This research investigates how captopril affects blood pressure and components of the renin-angiotensin-aldosterone system in hypertensive patients.
Examined the effects of captopril in eight patients with renal artery stenosis and seven patients unresponsive to treatment.
Measured blood pressure, plasma angiotensin II, aldosterone, and renin levels before and after treatment with captopril.
Evaluated changes in body sodium and potassium content alongside blood pressure responses.
Captopril significantly reduced systolic and diastolic blood pressure and plasma angiotensin II levels within two hours.
Sustained reduction in blood pressure observed during prolonged treatment, particularly with diuretics.
Captopril effectively controlled blood pressure in hypertensive patients, including those previously treated unsuccessfully.

Structured PICO

Does captopril reduce arterial pressure and alter the renin-angiotensin-aldosterone system in patients with renovascular or intractable hypertension?

Population

15 patients (8 hypertensive patients with renal artery stenosis, and 7 patients with hypertension unresponsive to previous treatment)

Intervention

Captopril (alone or in conjunction with diuretics)

Outcome

Changes in arterial pressure, components of the renin-angiotensin-aldosterone system, and body sodium and potassium contentsurrogate

Captopril effectively lowers blood pressure and modulates the renin-angiotensin-aldosterone system in patients with renovascular or previously intractable hypertension.

Cite This Study

Atkinson et al. (1980) studied this question.

synapsesocial.com/papers/6a1a978a7ff99bba0645ea2f https://doi.org/10.1136/hrt.44.3.290

Topics

Hypertension management

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Captopril in clinical hypertension. Changes in components of renin-angiotensin system and in body composition in relation to fall in blood pressure with a note on measurement of angiotensin II during converting enzyme inhibition.

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Topics

Captopril in clinical hypertension. Changes in components of renin-angiotensin system and in body composition in relation to fall in blood pressure with a note on measurement of angiotensin II during converting enzyme inhibition.

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

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