利尿剂使用和血清酸盐:鹿特丹研究和英国生物银行
Ariadne Bosman1, Natalia Campos-Obando1, Catherine E de Keyser2
1Department of Internal Medicine, Erasmus MC, University Medical Center, 3015 GD Rotterdam, The Netherlands.
Journal of the Endocrine Society
|April 4, 2024
概括
酸性利尿剂,但不是循环利尿剂,与血清酸盐降低和低酸血症风险增加有关,特别是在较高的BMI的情况下. 这些发现强调了 thiazides 是低酸盐血症的关键因素.
科学领域:
- 内分泌学 在内分泌学.
- 药理学 药理学是指药理学的学科.
- 流行病学 流行病学
背景情况:
- 低酸盐血清水平低 (<0.80 mmol/L) 的特征是低酸盐血清,与肌肉骨问题有关.
- 化物和循环利尿剂通常与导致低酸血症有关,但基于人口的数据仍然有限.
研究的目的:
- 调查使用 thiazide 和循环利尿剂与血清酸盐水平之间的关联.
- 在基于人口的队列中检查利尿剂使用与低酸血症风险之间的关系.
主要方法:
- 在鹿特丹研究 (RS) 和英国生物银行 (UKBB) 队列中进行了横截式多变量线性和后勤回归分析.
- 包括没有慢性病的参与者,根据年龄,性别,体重指数 (BMI) 和可用的血清量进行调整.
主要成果:
- thiazide 利尿剂与血清酸盐的降低和低酸血的可能性增加有显著的关联,特别是在女性中.
- 通过BMI调整减轻了相关性,并且在UKBB的男性中观察到由 thiazide 诱导的低酸血症风险.
- 循环利尿剂与女性血清酸盐的降低有关,但在BMI调整后,这种关联和低酸血症的增加几率失去了意义.
结论:
- 与循环利尿剂相比, thiazide 利尿剂被认为是导致低酸血症的重要因素.
- 增加的BMI和减少的血清也应考虑在患有低酸血症的患者.
- 需要进一步的研究来证实这些发现,并探索低血的潜在调解作用.
相关概念视频
Renal Drug Excretion: Tubular Secretion
180
Active tubular secretion is a robust, energy-demanding process that utilizes carrier systems to transport drugs into renal tubules. The active renal secretion systems include the organic anion transporter (OAT) for weak acids and the organic cation transporter (OCT) for weak bases. Structurally similar drugs can compete for the same transporter, potentially leading to drug accumulation and toxicity. However, this principle can be exploited therapeutically. One example is probenecid (Probalan),...
180
Antihypertensive Drugs: Action of Diuretics
680
Diuretics are antihypertensive drugs used to treat hypertension resulting from sodium and water retention. Sodium, vital for fluid balance and nerve or muscle function, is regulated by the kidneys through millions of nephrons. Blood enters nephrons via afferent arterioles, which branch into capillaries called glomeruli. These filter blood plasma, allowing water and solutes, like sodium ions, to pass through capillary walls into Bowman's capsule. The filtrate then flows through various...
680
Antihypertensive Drugs: Potassium-Sparing Diuretics
534
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...
534
Renal Drug Excretion: Effect of Urine pH, Flow Rate, and Drug pKa
166
The pH of urine, the drug's pKa, and the urine flow rate are vital parameters for drug reabsorption and excretion. Urinary pH varies between 4.6 and 8.0 and is influenced by diet, drug intake, and the patient's pathophysiology. It affects a drug's ionization state and reabsorption. For instance, carbohydrate-rich food produces alkaline urine promoting drug excretion, while proteins and certain medications like ascorbic acid lead to acidic urine enhancing reabsorption.
The pKa of a...
The pKa of a...
166
Factors Affecting Renal Clearance: Drug's Physicochemical Properties and Plasma Levels
217
Renal clearance of a drug is influenced by various factors, including its physicochemical properties and plasma levels. These factors play a significant role in determining how efficiently the kidneys eliminate a drug.
One important factor is the drug's molecular size. The kidneys readily excrete smaller molecules below 300 Daltons (Da). On the other hand, molecules weighing between 300 and 500 Da are excreted through both urine and bile. Larger molecules above 500 Da tend to be excreted...
One important factor is the drug's molecular size. The kidneys readily excrete smaller molecules below 300 Daltons (Da). On the other hand, molecules weighing between 300 and 500 Da are excreted through both urine and bile. Larger molecules above 500 Da tend to be excreted...
217
Roles of Electrolytes: Calcium and Phosphate
269
Calcium and phosphate are essential electrolytes in the human body, with calcium being the most abundant mineral. Around 99% of the body's calcium is stored in the skeleton and teeth, forming a crystal lattice of mineral salts in combination with phosphates. Calcium plays crucial roles in various bodily functions such as blood clotting, neurotransmitter release, muscle tone maintenance, and nervous and muscle tissue excitability.
The calcium concentration in blood plasma is primarily...
The calcium concentration in blood plasma is primarily...
269


