[Changes in plasma concentration of interleukin-6 in elderly patients with coronary artery disease complicated with

X Q Wang1, Z J Jian, J C Xie

  • 1Department of Geriatrics, Second Xiangya Hospital, Central South University, Changsha 410011, China.

Hunan Yi Ke Da Xue Xue Bao = Hunan Yike Daxue Xuebao = Bulletin of Hunan Medical University
|January 23, 2003
PubMed

Insights

Elevated plasma interleukin-6 (IL-6) levels indicate more severe coronary artery disease (CAD) with heart failure. Higher IL-6 correlates with poorer left ventricular ejection fraction and predicts re-hospitalization risk in CAD patients.

Area of Science:

  • Cardiology
  • Immunology
  • Geriatrics

Context:

  • Coronary artery disease (CAD) is a leading cause of mortality in the elderly.
  • Heart failure (HF) is a common complication of CAD, associated with increased morbidity and mortality.
  • Interleukin-6 (IL-6) is a pro-inflammatory cytokine implicated in cardiovascular disease pathogenesis.

Purpose:

  • To investigate plasma interleukin-6 (IL-6) concentrations in elderly patients with coronary artery disease (CAD).
  • To compare IL-6 levels between CAD patients with and without heart failure, and with normal subjects.
  • To explore the correlation between IL-6 levels, left ventricular ejection fraction (LVEF), and risk of re-hospitalization in CAD patients.

Summary:

  • Plasma IL-6 levels were significantly higher in elderly CAD patients with heart failure compared to those without heart failure and normal controls.
  • A significant negative correlation was observed between plasma IL-6 concentration and left ventricular ejection fraction (LVEF) (r = -0.60, P < 0.01).
  • CAD patients with severe heart failure requiring re-hospitalization exhibited significantly higher plasma IL-6 levels than those without readmission (P < 0.01).

Impact:

  • Plasma IL-6 concentration may serve as a valuable biomarker for assessing disease severity in elderly CAD patients with heart failure.
  • IL-6 levels could offer prognostic information, aiding in the prediction of adverse outcomes and guiding clinical management in CAD.
  • These findings highlight the role of inflammation, as indicated by IL-6, in the progression and prognosis of CAD with heart failure.
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.
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
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...
Heart Failure VII: Nursing Interventions01:30

Heart Failure VII: Nursing Interventions

The first step in nursing management of a patient with heart failure involves thoroughly assessing the patient's medical history.Subjective Data: Obtain the patient's medical history of coronary artery disease, hypertension, myocardial infarction, and symptoms like dyspnea, orthopnea, and paroxysmal nocturnal dyspnea.Objective Data: Conduct a physical examination to identify findings such as jugular vein distention, pulmonary crackles, tachycardia, murmurs, peripheral edema, and vital signs,...
Cardiomyopathy VI: Nursing Management01:29

Cardiomyopathy VI: Nursing Management

Assessment: Nursing management of patients with cardiomyopathy begins with a thorough assessment of the patient's history, including a family history of cardiomyopathy or sudden cardiac death, personal history of heart disease, hypertension, diabetes, and any alcohol consumption or drug use.During the physical examination, assess vital signs, look for signs of heart failure (such as edema, jugular venous distention, and cyanosis), auscultate for abnormal heart sounds (like murmurs and gallops),...
Heart Failure V: Medical Management01:30

Heart Failure V: Medical Management

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...