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Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
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Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
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Tonicity describes the amount of solute in a solution. The measure of the tonicity of a solution, or the total amount of solutes dissolved in a specific amount of solution, is called its osmolarity. Three terms—hypotonic, isotonic, and hypertonic—are used to relate the osmolarity of a cell to the osmolarity of the extracellular fluid that contains the cells. In a hypotonic solution, such as tap water, the extracellular fluid has a lower concentration of solutes than the fluid inside...
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The tonicity of a solution determines if a cell gains or loses water in that solution. The tonicity depends on the permeability of the cell membrane for different solutes and the concentration of nonpenetrating solutes in the solution within and outside of the cell. If a semipermeable membrane hinders the passage of some solutes but allows water to follow its concentration gradient, water moves from the side with low osmolarity (i.e., less solute) to the side with higher osmolarity (i.e.,...
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Continuous Renal Replacement Therapy, also known as CRRT, is a procedural treatment for acute kidney injury (AKI) that gradually removes uremic toxins and fluids while maintaining acid-base balance and stabilizing electrolytes. It is particularly useful for hemodynamically unstable patients. Unlike intermittent hemodialysis, which is faster, CRRT provides a gentler approach over 24 hours, closely mimicking the function of natural kidneys. However, CRRT is not ideal for patients with...
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Related Experiment Video

Updated: May 7, 2026

A Surgical Procedure for the Administration of Drugs to the Inner Ear in a Non-Human Primate Common Marmoset Callithrix jacchus
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[Volume replacement therapy; what is the solution?].

A J Jos Kooter1, Heleen M Oudemans-van Straaten, Paul Elbers

  • 1VU medisch centrum, Amsterdam.

Nederlands Tijdschrift Voor Geneeskunde
|October 10, 2013
PubMed
Summary
This summary is machine-generated.

Crystalline infusion solutions like lactated Ringer's are preferred over colloids for volume replacement due to fewer adverse effects. Lactated Ringer's solution offers better outcomes than NaCl 0.9%, reducing risks of acidosis and renal issues.

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Area of Science:

  • Critical Care Medicine
  • Anesthesiology
  • Emergency Medicine

Background:

  • Two primary types of infusion solutions, crystalloids and colloids, are used for volume replacement.
  • The selection of these fluids often depends on physician preference rather than evidence-based guidelines.
  • Colloidal solutions can cause adverse effects, including anaphylaxis and increased bleeding tendency.

Purpose of the Study:

  • To compare the efficacy and safety of different intravenous infusion solutions for volume replacement.
  • To evaluate the risks and benefits associated with crystalloid and colloid solutions.
  • To provide guidance on optimal fluid selection in clinical practice.

Main Methods:

  • Review of existing literature on crystalloid (NaCl 0.9%, lactated Ringer's) and colloid (hydroxyethyl cellulose, albumin, gelatine) solutions.
  • Analysis of clinical outcomes, including efficacy, adverse events, and mortality associated with each fluid type.
  • Comparison of the physiological effects of different solutions on acid-base balance and renal function.

Main Results:

  • Hydroxyethyl cellulose (HEC) use is linked to higher mortality and renal impairment.
  • Albumin infusions are primarily indicated for septic patients with hypoalbuminemia.
  • Lactated Ringer's solution, closer to plasma composition than NaCl 0.9%, is increasingly used and associated with less hyperchloremic acidosis and potentially lower renal insufficiency risk.

Conclusions:

  • Lactated Ringer's solution is a safer and potentially more effective crystalloid for volume replacement compared to NaCl 0.9%.
  • Certain colloid solutions, particularly HEC, present significant risks and are not well-justified.
  • Fluid selection should be guided by patient-specific factors and evidence-based recommendations to minimize adverse events.