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相关概念视频

Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

80
In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
80
Factors Affecting Renal Clearance: Renal Impairment01:17

Factors Affecting Renal Clearance: Renal Impairment

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Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
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Nephrons01:10

Nephrons

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The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...
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Renal Corpuscle01:20

Renal Corpuscle

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The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
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Renal Drug Excretion: Effect of Urine pH, Flow Rate, and Drug pKa01:22

Renal Drug Excretion: Effect of Urine pH, Flow Rate, and Drug pKa

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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...
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Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors01:20

Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors

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Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
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相关实验视频

Updated: Jun 24, 2025

Comprehensive Analysis of Procoagulant Platelets Exhibiting Features of Necrosis, Apoptosis and Platelet Activation
04:37

Comprehensive Analysis of Procoagulant Platelets Exhibiting Features of Necrosis, Apoptosis and Platelet Activation

Published on: May 23, 2025

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患有AKI的患者血小板数量下降及其与重大脏不良事件相关.

Ramón Medina-González1, Jose J Zaragoza2, Eduardo M Hernández-Barajas1,3

  • 1Nephrology Service, Hospital Civil de Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico.

Renal failure
|June 13, 2024
PubMed
概括
此摘要是机器生成的。

在急性损伤 (AKI) 患者中,显著的血小板减少 (>21%) 与10天内发生的脏不良事件有关. 这种血小板下降也增加了死亡风险,突出了其作为AKI严重性标志物的作用.

关键词:
急性损伤急性损伤是什么血液透析是血液透析的方法之一.主要的脏不良事件血小板 血小板 是血小板细胞减少症 (Thrombocytopenia) 是一种

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Microfluidics in Assessing Platelet Function
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相关实验视频

Last Updated: Jun 24, 2025

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科学领域:

  • 腎臟病學 (nephrology) 是一種醫學專業.
  • 血液学 血液学 血液学
  • 临界护理医学 临界护理医学

背景情况:

  • 血小板减少是重症患者的已知严重性标志物.
  • 血小板计数与急性损伤 (AKI) 结果之间的关联尚不清楚.

研究的目的:

  • 调查AKI患者显著的血小板减少和重大脏不良事件 (MAKE) 之间的关系.
  • 为了确定血小板数量的变化是否预测AKI中的死亡率.

主要方法:

  • 在400名AKI患者的回顾性队列研究中.
  • 患者被归类为10天内血小板数减少>21%.
  • 对MAKE在10天 (MAKE10) 和30-90天 (MAKE30-90) 的关联和死亡率的分析.

主要成果:

  • 血小板减少>21%与MAKE10 (或4.2) 相关.
  • 增加死亡风险 (OR 2.9) 观察到血小板计数<90 x 103细胞/μL.
  • 在计算血液透析开始时,关联失去了意义.

结论:

  • 在AKI患者中,血小板减少>21%与MAKE相关.
  • 需要对强大的设计进行进一步的研究来证实这些发现.