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Related Concept Videos

Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

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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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Dialysis01:27

Dialysis

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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...
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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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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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Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

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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...
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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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Updated: May 24, 2025

Assessment of Vascular Function in Patients With Chronic Kidney Disease
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[Diastolic Dysfunction in CKD: Cause or Effect?s].

Eugenio Lembo1, Roberta Bottino2, Ida Matarazzo1

  • 1U.O.C. Nefrologia e Dialisi, Università degli studi della Campania "Luigi Vanvitelli".

Giornale Italiano Di Nefrologia : Organo Ufficiale Della Societa Italiana Di Nefrologia
|March 3, 2025
PubMed
Summary
This summary is machine-generated.

Left Ventricular Diastolic Dysfunction (LVDD) impairs heart relaxation, potentially leading to heart failure. Early diagnosis via echocardiography aids in assessing cardiovascular risk, especially in patients with chronic kidney disease (CKD).

Keywords:
CKDLVDDdiastolic dysfunctionheart failure

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Area of Science:

  • Cardiology
  • Nephrology
  • Medical Diagnostics

Context:

  • Left Ventricular Diastolic Dysfunction (LVDD) involves impaired heart relaxation and increased filling pressures.
  • Isolated LVDD maintains normal ejection fraction (EF) but worsens with rising filling pressures.
  • LVDD severity ranges from mild to advanced, potentially progressing to heart failure.

Purpose:

  • To summarize the diagnostic criteria and clinical implications of LVDD.
  • To highlight the updated echocardiographic categories for LVDD assessment.
  • To underscore the association between LVDD, aging, hypertension, diabetes, and chronic kidney disease (CKD).

Summary:

  • LVDD diagnosis utilizes echocardiography, with recent updates categorizing severity (normal, indeterminate, dysfunction).
  • These categories help define cardiovascular (CV) risk in patients with or without CKD.
  • LVDD prevalence rises in elderly, hypertensive, and diabetic individuals, often co-occurring with CKD.

Impact:

  • Improved CV risk stratification in patients with LVDD, particularly those with CKD.
  • Enhanced understanding of the link between LVDD and conditions like hypertension, diabetes, and CKD.
  • Facilitates earlier detection and management of diastolic dysfunction to prevent heart failure progression.