Key result
Bilateral aldosterone-producing adenomas were differentiated from bilateral adrenal hyperplasia by lower serum potassium (p=0.027) and higher aldosterone-renin ratio after captopril (p=0.023).
Why the study?
What are the distinctive clinical and biochemical characteristics that differentiate bilateral aldosterone-producing adenomas from bilateral adrenal hyperplasia?
Population
49 patients with primary aldosteronism selected from a cohort of 190 surgically treated PA patients.
Comparison
Diagnostic evaluation including 50 mg captopril… vs Bilateral adrenal hyperplasia and unilateral APA
Design
Case-control
Authors
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These markers may aid subtyping in primary aldosteronism; hypothesis-generating from case-control data and requires prospective validation.
Case-Control (n=49)
No
What are the distinctive clinical and biochemical characteristics that differentiate bilateral aldosterone-producing adenomas from bilateral adrenal hyperplasia?
p-value: p=0.023
Bilateral aldosterone-producing adenomas can be differentiated from bilateral adrenal hyperplasia by lower serum potassium and an aldosterone-renin ratio >100 after captopril administration.
Wu et al. (2007) conducted a case-control in Primary aldosteronism (n=49). Bilateral aldosterone-producing adenoma (APA) vs. Bilateral adrenal hyperplasia (BAH) and unilateral APA was evaluated on Aldosterone-renin ratio (ARR) after administration of 50 mg captopril (p=0.023). Bilateral aldosterone-producing adenomas were differentiated from bilateral adrenal hyperplasia by lower serum potassium (p=0.027) and higher aldosterone-renin ratio after captopril (p=0.023).
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