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24-hour urinary aldosterone excretion test
定义
The 24-hour urinary aldosterone excretion test measures the amount of aldosterone removed in the urine in a day.
Aldosterone can also be measured with a
Alternative Names
Aldosterone - urine; 艾迪生疾病 - urine aldosterone; Cirrhosis - serum aldosterone
How the Test is Performed
A 24-hour urine sample is needed. 你需要
How to Prepare for the Test
Your provider may ask you to stop taking certain medicines a few days before the test so that they don't affect the test results. Be sure to tell your provider about all the medicines you take. 这些包括:
- High blood pressure medicines
- 心脏药物
- Nonsteroidal anti-inflammatory drugs (NSAIDs)
- Antacid and ulcer medicines
- Water pills (diuretics)
Do not stop taking any medicine before talking to your provider.
Be aware that other factors can affect aldosterone measurements, including:
- 怀孕
- High- or low-sodium diet
- Eating large amounts of black licorice
- Strenuous exercise
- 压力
Do not drink coffee, tea, or cola during the day the urine is collected. Your provider will likely recommend that you eat no more than 3 grams of salt (sodium) per day for at least 2 weeks before the test.
How the Test will Feel
The test involves only normal urination. There is no discomfort.
Why the Test is Performed
The test is done to see how much aldosterone is released into your urine. Aldosterone is a hormone released by the
正常的结果
Results depend on:
- How much sodium is in your diet
- Whether your kidneys work properly
- The condition being diagnosed
Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different samples. Talk to your doctor about the meaning of your specific test results.
What Abnormal Results Mean
A higher than normal level of aldosterone may be due to:
- Abuse of diuretics
- 肝
肝硬化 - Adrenal gland problems, including adrenal tumors that produce aldosterone
心脏衰竭 - 泻药滥用
Lower than normal levels may indicate
风险
There are no risks with this test.
参考文献
Guber HA, Oprea M, Russell YX . Evaluation of endocrine function. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24日艾德. Philadelphia, PA: Elsevier; 2022:chap 25.
Weiner ID, Wingo CS. Endocrine causes of hypertension: aldosterone. In: Feehally J, Floege J, Tonelli M, Johnson RJ, eds. Comprehensive Clinical Nephrology. 6日艾德. Philadelphia, PA: Elsevier; 2019:chap 38.
审核日期: 07/28/2021
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