Primary Aldosteronism Clinical Trial
Official title:
A Prospective Study of the Incidence and Outcomes of Primary Aldosteronism in Chinese Hypertensive Patients
1. Study name: A prospective study of the incidence and outcomes of Primary aldosteronism in Chinese hypertensive patients 2. Rationale: Unlike essential hypertension, secondary hypertension is caused by certain defined diseases or causes. For this reason, secondary hypertension can often be cured or effectively controlled. As one of the most common types of secondary hypertension, it is estimated that primary aldosteronism (PA) accounts for 5%-10% of all hypertensive patients, accounting for about 20% of patients with refractory hypertension. 3. Objective: 1) Collect and analyze the population and disease characteristics of Chinese PA patients; 2) Strengthen the awareness of screening for PA in people with high blood pressure. 4. Study design: Prospective , multi-center, observational study. 5. Study population: Hypertensive patients with high suspected or confirmed of primary aldosteronism. 6. Treatment: Standardized diagnosis and treatment procedure as recommended in the international guidelines of PA. 7. Follow up: 6, 12 and 24 months after diagnosis. 8. Sample size estimation: About 10 thousand. 9. Timeline: Start of subjects enrollment: July 2019; End of subjects enrollment: December 2022; End of study: December 2024. 10. Organization: The Centre for Epidemiological Studies and Clinical Trials, Ruijin Hospital, Shanghai, China.
1. Study name: A prospective study of the incidence and outcomes of Primary aldosteronism in Chinese hypertensive patients 2. Rationale: Hypertension is the most common cardiovascular disease, a serious cardiovascular disease state, and the most important risk factor for serious cardiovascular and cerebrovascular complications such as stroke, myocardial infarction, heart failure, and renal insufficiency. The China Cardiovascular Disease Report 2018 pointed out that the total number of people suffering from hypertension in China reached 245 million, which has become a major public health problem affecting people's health and restricting economic development. Unlike essential hypertension, secondary hypertension is caused by certain defined diseases or causes. For this reason, secondary hypertension can often be cured or effectively controlled with the appropriate treatment. As one of the most common types of secondary hypertension, it is estimated that primary aldosteronism (PA) accounts for 5%-10% of all hypertensive patients, accounting for about 20% of patients with refractory hypertension. Therefore, how to find out patients with PA in hypertensive population in time and carry out targeted treatment is a challenge that cardiovascular professional clinicians must face. Diagnostic PA begins with screening. With the advancement of detection technology, especially the clinical popularity of chemiluminescence detection of plasma aldosterone and renin concentration, the detection of suspected PA patients by plasma aldosterone renin ratio (ARR) in medium-sized hospitals has become a reality. Due to the limitations of clinical examination, there are only a few hospitals that can actually perform the etiological diagnosis of PA. As long as we can screen out suspected PA patients, it is a major advancement in the diagnosis and treatment of secondary hypertension. In order to popularize the clinical application of PA screening and diagnosis technology, systematically collect clinical data of PA patients in China, it is necessary to carry out PA screening registration research in hypertensive patients. 3. Objective: 1) Collect and analyze the population and disease characteristics of Chinese PA patients; 2) Strengthen the awareness of screening for PA in people with high blood pressure. 4. Study design: Prospective, multi-center observational study. 5. Study population: Hypertensive patients with high suspected or confirmed of primary aldosteronism. High suspected of primary aldosteronism include 6 types of hypertensive patients: 1) persistent blood pressure > 160/100 mmHg, refractory hypertension ( combined with 3 antihypertensive drugs, including diuretics, blood pressure > 140/90 mmHg), Combined use of 4 or more antihypertensive drugs, blood pressure <140/90 mmHg; 2) hypertension combined with spontaneous or diuretic hypokalemia; 3) hypertension with adrenalaccidental tumor; 4) family history of early onset hypertension Or hypertensive patients with a family history of cerebrovascular accidents (<40 years old); 5) first-degree relatives with hypertension in patients with primary aldosteronism; 6) hypertension with obstructive respiratory sleep apnea. The other study population is the PA patients confirmed. 6. Treatment: Standardized diagnosis and treatment procedure as recommended in the international guidelines of PA. Hypertensive Patients should adjust antihypertensive medication before ARR testing to ensure accurate ARR measurements. Patients with positive ARR results (more than 40) are suspected PA and need confirmation test, such as Saline infusion test or Captopril test. PA patients should undergo a sub-type diagnosis, such as adrenal CT, AVS. Patients with PA confirmed are treated with drugs or surgery after diagnosis. 7. Follow up: 6, 12 and 24 months after diagnosis. 8. Sample size estimation: About 10 thousand. 9. Timeline: Start of subjects enrollment: July 2019; End of subjects enrollment: December 2022; End of study: December 2024. 10. Organization: The Centre for Epidemiological Studies and Clinical Trials, Ruijin Hospital, Shanghai, China. ;
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