Related Experiment Videos

Serum leptin concentration and left ventricular hypertrophy and function in maintenance hemodialysis patients

H Nasri1

  • 1Shahrekord University of Medical Sciences, Hajar Medical, Educational and Therapeutic Center, Department of Internal Medicine, Shahrekord, Iran. hamidnasri@yahoo.com

Insights

Serum leptin levels did not correlate with left ventricular hypertrophy (LVH) in hemodialysis patients. However, higher leptin was linked to better left ventricular ejection fraction, suggesting a reverse epidemiology role in this population.

Area of Science:

  • Nephrology
  • Cardiology
  • Endocrinology

Background:

  • Left ventricular hypertrophy (LVH) is a common complication in patients with end-stage renal disease (ESRD).
  • Serum leptin levels are often elevated in ESRD patients, but their association with cardiac changes remains unclear.

Purpose of the Study:

  • To investigate the relationship between serum leptin levels and left ventricular hypertrophy (LVH) and ejection fraction in patients undergoing regular hemodialysis (HD).

Main Methods:

  • A cross-sectional study involving 41 ESRD patients on maintenance HD.
  • Echocardiography was used to assess LVH, and serum leptin, creatinine, BUN, calcium, phosphorus, albumin, and ferritin were measured.

Main Results:

  • No significant association was found between the stages of LVH and serum leptin levels.
  • A significant positive correlation was observed between left ventricular ejection fraction and the logarithm of serum leptin, even after adjusting for multiple confounding factors.

Conclusions:

  • Leptin may not directly aggravate LVH in HD patients, potentially due to reverse epidemiology.
  • The findings highlight the complex role of leptin in HD patients and warrant further clinical investigation.
Abstract

Related Concept Videos

Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

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.
Hemodialysis III: Nursing Management01:25

Hemodialysis III: Nursing Management

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 measurement...
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
Nephrotic Syndrome II : Assessment and Medical Management01:26

Nephrotic Syndrome II : Assessment and Medical Management

IntroductionNephrotic syndrome is a kidney disorder marked by excessive protein loss in the urine, leading to various systemic complications. This condition often results from damage to the glomeruli—the kidney's filtering units—causing proteinuria, low blood protein levels, and fluid retention. Understanding the assessment, diagnosis, and management of nephrotic syndrome is essential for effective treatment and prevention of further kidney damage.AssessmentPatient History: Document any history...
Nephrotic Syndrome III : Nursing Management01:24

Nephrotic Syndrome III : Nursing Management

Nursing management for nephrotic syndrome adapts as the disease progresses, with strategies evolving to address advancing symptoms and complications.Early-Stage Management In the early stages, nursing interventions for nephrotic syndrome resemble those used in managing acute glomerulonephritis, focusing on symptom monitoring, fluid balance, and managing mild to moderate edema.Vital Signs: Regularly monitor blood pressure, pulse, respiratory rate, and temperature to promptly identify...
Serum Studies: Renal Function Tests01:24

Serum Studies: Renal Function Tests

Renal function tests are crucial for assessing kidney health, monitoring disease progression, and evaluating the kidneys' efficiency in waste elimination, fluid balance, and electrolyte regulation. These tests offer critical insights into kidney function, even though routine measurements may appear normal until there is a significant decline in the glomerular filtration rate or GFR. Typically, signs of kidney impairment only become evident when the GFR falls to about 50% of its normal level.