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Related Concept Videos

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Dialysis

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Dialysis is a diffusion-based purification process that separates analyte molecules from a complex matrix. This is accomplished by allowing molecules in the solution to pass through a semipermeable membrane into a liquid on the other side. The membrane is usually made of cellulose acetate or cellulose nitrate, and the second liquid must be miscible with the solution. Ions (e.g., chloride or sodium) or organic molecules (e.g., glucose) can pass through the membrane pores, which generally have...
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The addition of an inert ionic compound increases the solubility of a sparingly soluble salt. For example, adding potassium nitrate to a saturated solution of calcium sulfate significantly enhances the solubility of calcium sulfate. Le Châtelier's principle cannot predict this shift in the equilibrium. Instead, this could be explained in terms of changes in the effective concentration of the ions in solution in the presence of added inert salt.
In this solution, the primary...
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Drug Dosing in Renal Diseases: Dose Adjustments Based on Drug Clearance and Elimination Rate Constant01:25

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Gentamicin, an aminoglycoside antibiotic, is commonly administered via intermittent intravenous infusion to treat severe infections. An intermittent one-hour infusion of gentamicin, administered at eight-hour intervals, allows for precise control of plasma drug concentrations, minimizing toxicity while ensuring therapeutic efficacy. Pharmacokinetic principles govern the dynamics of plasma concentrations and can be mathematically described using specific equations.The plasma drug concentration...
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Skeleton and Calcium Homeostasis01:21

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Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone mineralization, tooth health, heart rate regulation and strength of contraction, blood coagulation, the contraction of smooth and skeletal muscle cells, and the regulation of nerve impulse conduction. The average calcium level in the blood is about 10 mg/dL. When the body cannot maintain this level, a person will experience hypo or hypercalcemia.
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Cytosolic Calcium Measurements in Renal Epithelial Cells by Flow Cytometry
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Published on: October 28, 2014

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Individualizing the dialysate calcium concentration.

Guillaume Jean1, Charles Chazot

  • 1NEPHROCARE Tassin-Charcot, Haemodialysis and Nephrology, Sainte Foy-les-Lyon, France.

Current Opinion in Nephrology and Hypertension
|September 16, 2015
PubMed
Summary
This summary is machine-generated.

Individualizing dialysate calcium concentration (DCC) in hemodialysis may offer benefits, but requires careful monitoring. Further large-scale trials are needed to confirm its impact on patient outcomes and cardiovascular health.

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Area of Science:

  • Nephrology
  • Mineral Metabolism
  • Cardiovascular Health

Background:

  • Dialysate calcium concentration (DCC) strategies in hemodialysis vary globally.
  • Evolving treatments for mineral metabolism disorders influence DCC choices.
  • Growing understanding of bone and vascular diseases necessitates updated DCC approaches.

Purpose of the Study:

  • To review the advantages and disadvantages of individualizing DCC in hemodialysis patients.
  • To discuss current international recommendations for DCC.
  • To explore the impact of DCC on mineral metabolism and patient health.

Main Methods:

  • Literature review of studies on dialysate calcium concentration.
  • Analysis of international guidelines (KDIGO, EBPG).
  • Discussion of physiological effects of varying DCC.

Main Results:

  • Lowering DCC can increase parathyroid hormone and bone turnover.
  • Increasing DCC reduces parathyroid hormone and bone turnover, improving hemodynamic stability.
  • Impact of individualized DCC on survival and cardiovascular calcification remains unevaluated.

Conclusions:

  • Individualizing DCC requires strategic planning and close monitoring.
  • While some studies suggest safety at specific levels (1.25 or 1.75 mmol/l), large trials are needed.
  • Further research is essential to establish the definitive benefits of individualized DCC.