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Related Concept Videos

Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

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...
Factors Affecting Renal Clearance: Renal Impairment01:17

Factors Affecting Renal Clearance: Renal Impairment

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...
Dialysis01:27

Dialysis

Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
Drug Dosing in Renal Diseases: Dose Adjustments Based on Drug Clearance and Elimination Rate Constant01:25

Drug Dosing in Renal Diseases: Dose Adjustments Based on Drug Clearance and Elimination Rate Constant

In patients with renal disease, dosage adjustments are necessary to maintain therapeutic plasma drug concentrations and prevent toxicity or subtherapeutic exposure. Renal impairment alters drug pharmacokinetics, especially in conditions like uremia, where changes such as prolonged elimination half-life and altered apparent volume of distribution can significantly affect drug disposition. These changes require careful modification of the dosing regimen to achieve the desired clinical...
Drug Dosing in Renal Diseases: Estimation of Glomerular Filtration Rate Based on Serum Creatinine Concentration01:28

Drug Dosing in Renal Diseases: Estimation of Glomerular Filtration Rate Based on Serum Creatinine Concentration

Glomerular filtration rate (GFR) can be estimated from serum creatinine using the modification of diet in renal disease (MDRD) formula or the chronic kidney disease–epidemiology collaboration (CKD–EPI) equation. Both methods are widely used in clinical practice to assess kidney function and guide treatment decisions.The MDRD equation does not require weight or height measurements and is normalized to the body surface area of 1.73 m², considered the average adult surface area. This equation is...
Acute Kidney Injury V: Interprofessional Care01:20

Acute Kidney Injury V: Interprofessional Care

Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...

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Related Experiment Video

Updated: Jul 10, 2026

Surgical Techniques for Catheter Placement and 5/6 Nephrectomy in Murine Models of Peritoneal Dialysis
07:11

Surgical Techniques for Catheter Placement and 5/6 Nephrectomy in Murine Models of Peritoneal Dialysis

Published on: July 19, 2018

[Residual renal function in dialysis patients].

B Canaud1, L Chenine, D Henriet

  • 1Service de Néphrologie, Dialyse et Soins Intensifs, Hôpital Lapeyronie-CHU Montpellier, 375, Avenue du Doyen Giraud, 34295 Montpellier, France. b-canaud@chu-montpellier.fr

Nephrologie & Therapeutique
|November 21, 2007
PubMed
Summary

Preserving residual renal function (RRF) in chronic kidney disease (CKD) patients on dialysis offers benefits like improved outcomes and easier dietary adherence. However, it involves a trade-off between patient comfort and potential fluid overload risks.

Related Experiment Videos

Last Updated: Jul 10, 2026

Surgical Techniques for Catheter Placement and 5/6 Nephrectomy in Murine Models of Peritoneal Dialysis
07:11

Surgical Techniques for Catheter Placement and 5/6 Nephrectomy in Murine Models of Peritoneal Dialysis

Published on: July 19, 2018

Area of Science:

  • Nephrology
  • Renal Replacement Therapy
  • Chronic Kidney Disease (CKD)

Context:

  • Residual renal function (RRF) plays a crucial role in the treatment adequacy for patients with advanced chronic kidney disease (CKD-5).
  • Maintaining RRF can improve patient acceptance of renal replacement therapy (RRT) by reducing dietary and fluid restrictions.
  • The preservation of RRF in incident CKD-5 patients remains a topic of ongoing debate and clinical consideration.

Purpose:

  • To analyze the multifaceted role of RRT in dialysis patients concerning residual renal function.
  • To evaluate the positive and beneficial effects associated with maintaining RRF.
  • To identify the negative consequences and risks inherent in preserving RRF.

Summary:

  • Preservation of RRF enhances RRT efficacy and alleviates dietary/fluid restrictions, improving patient comfort.
  • However, RRF maintenance should be viewed as a method to optimize RRT, not an end goal for dialysis adequacy.
  • Maintaining RRF presents a continuous balance between patient comfort and the risks of chronic fluid volume overload.

Impact:

  • Provides a comprehensive review of the benefits and risks of maintaining residual renal function in dialysis patients.
  • Informs clinical decision-making regarding RRT strategies for optimizing patient outcomes and quality of life.
  • Highlights the critical trade-offs involved in RRF preservation, guiding personalized patient management.