相关实验视频
Updated: Jun 4, 2025
06:08
A Novel Method: Super-selective Adrenal Venous Sampling
Published on: September 15, 2017
23.3K
预测单边阿尔多激素分泌在初级阿尔多激素的预测
Elias Mimouni1, Wajid Amjad1, Jesse E Passman1
1Division of Endocrine and Oncologic Surgery, Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania.
The Journal of surgical research
|January 1, 2025
概括
临床因素可以帮助预测单边原发性阿尔多斯特隆症,这是一种潜在的可治愈的疾病. 高临床风险得分强烈表明单方面来源,指导耐药高血压的治疗决策.
科学领域:
- 内分泌学 在内分泌学.
- 高血压研究 高血压研究
- 手术内分泌学手术内分泌学
背景情况:
- 原发性阿尔多斯特隆症 (PA) 影响了20%的耐药高血压患者.
- 单边PA是可能通过上腺切除术治愈的.
- 上腺静脉采样 (AVS) 对于亚型分化是确定的,但并非普遍可用的.
研究的目的:
- 评估临床特征是否可以预测AVS的单边阿尔多素分泌.
- 开发一种临床风险评分,用于预测单边PA.
主要方法:
- 对461名经过AVS (1998-2019) 的生化诊断的PA患者进行了回顾性分析.
- 单变量和多变量逻辑回归以确定单边分泌的预测因子 (侧面化指数≥4).
- 开发和验证临床风险评分.
主要成果:
- 461名患者中有324名 (70%) 患有单边阿尔多激素分泌.
- 单边PA的预测因素包括非黑人种族,较低的BMI,较短的高血压持续时间和非偶然诊断.
- 临床风险得分达到86%的单边疾病的积极预测值.
结论:
- 仅仅临床因素不完全预测PA亚型.
- 高临床风险分数为识别单边PA提供了强大的积极预测价值,有助于治疗选择.
相关概念视频
01:28Antihypertensive Drugs: Potassium-Sparing Diuretics
445
Liddle syndrome is a genetically inherited form of hypertension characterized by the overactivity of epithelial sodium channels in the nephron, the functional unit of the kidney. This heightened activity leads to increased sodium reabsorption and excessive excretion of potassium. To counteract this, potassium-sparing diuretics such as amiloride are used. They function by blocking these sodium channels, thereby reducing the influx of sodium into the epithelial cells and minimizing the loss of...
445
01:33Hormonal Regulation
32.9K
The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
32.9K
01:27Adrenal Gland Disorders
1.3K
Adrenal gland disorders manifest when the production of adrenal hormones deviates from the norm, resulting in either excessive or insufficient concentrations.
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
1.3K
01:26Regulation of Sodium and Potassium
396
The regulation of sodium and potassium ion concentrations in the human body is a complex process governed primarily by hormones such as aldosterone, antidiuretic hormone (ADH), and atrial natriuretic peptide (ANP).
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
396
01:25Antihypertensive Drugs: Direct Renin Inhibitors
484
The renin-angiotensin-aldosterone system (RAAS) is an intricate physiological pathway involving numerous enzymes and hormones, including renin, angiotensin-converting enzyme (ACE), angiotensin I and II, and aldosterone. Imbalances within this system increase the production of angiotensin II and aldosterone. Increased angiotensin II levels promote vasoconstriction and blood pressure elevation. Concurrently, higher aldosterone levels stimulate sodium and water reabsorption in the kidneys,...
484
01:19Regulation of Hormone Secretion
3.1K
Regulation of hormone secretion is a finely tuned orchestration driven by various types of stimuli, encompassing neural, humoral, and hormonal signals. Environmental cues instigate neural stimuli, where action potentials traverse nerve fibers to reach their designated targets. An illustrative scenario is the body's response to stress, wherein the sympathetic nervous system releases epinephrine from the adrenal glands, inducing the well-known 'fight or flight' reaction.
Humoral...
Humoral...
3.1K