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Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
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The nursing management of a patient undergoing hemodialysis includes several critical steps, starting with a thorough assessment before the procedure.Before the Hemodialysis ProcedureFirst, record the patient's vital signs—blood pressure, heart rate, respiratory rate, and temperature—to establish a baseline. This baseline is essential for detecting conditions such as hypotension that could impact the patient's response to dialysis. Document the patient's pre-dialysis weight, as this...
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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...
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Challenges in diuretic therapy: A case-based discussion.

Emmanuel A Adomako1, Kamalanathan K Sambandam1

  • 1Department of Internal Medicine, Division of Nephrology, University of Texas Southwestern Medical Center, Dallas, TX, USA.

The American Journal of the Medical Sciences
|April 26, 2022
PubMed
Summary
This summary is machine-generated.

Diuretic therapy is common for fluid overload but can cause resistance, metabolic alkalosis, and hyponatremia. Understanding these challenges improves patient outcomes.

Keywords:
DiureticsEdemaHyponatremiaMetabolic alkalosis

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Area of Science:

  • Nephrology
  • Internal Medicine
  • Pharmacology

Background:

  • Diuretics are widely prescribed for conditions like heart failure, kidney disease, and edema.
  • Total body sodium excess, leading to edema, is common in various diseases.
  • Diuretic complications can hinder effective fluid overload management.

Purpose of the Study:

  • To review common challenges in diuretic therapy.
  • To provide mechanistic insights into diuretic resistance, metabolic alkalosis, and hyponatremia.
  • To empower clinicians with solutions for managing diuretic complications.

Main Methods:

  • Case-based approach.
  • Review of diuretic therapy complications.
  • Discussion of underlying mechanisms and solutions.

Main Results:

  • Diuretic resistance in nephrotic syndrome is a key challenge.
  • Diuretic-induced metabolic alkalosis can occur.
  • Diuretic-associated hyponatremia presents management difficulties.

Conclusions:

  • Understanding diuretic complications is crucial for effective patient care.
  • Mechanistic knowledge aids in overcoming diuretic resistance and adverse effects.
  • This review offers practical solutions for clinicians managing diuretic therapy.