Related Experiment Video

Updated: Aug 4, 2026

Remote Limb Ischemic Preconditioning: A Neuroprotective Technique in Rodents
07:52

Remote Limb Ischemic Preconditioning: A Neuroprotective Technique in Rodents

Published on: June 2, 2015

Ischemic preconditioning: implications for the geriatric heart

R A Kloner1, T Shook, C P Cannon

  • 1Heart Institute, Good Samaritan Hospital, 1225 Wilshire Boulevard, Los Angeles, CA 90017, USA.

The American Journal of Geriatric Cardiology
|May 22, 2001
PubMed

Insights

Ischemic preconditioning can reduce heart attack damage. Older adults (>=60) with a history of angina may benefit from this protective effect, suggesting preconditioning is possible in the senescent heart.

Area of Science:

  • Cardiology
  • Cardiovascular Research
  • Geriatric Medicine

Background:

  • Ischemic preconditioning is a potent endogenous cardioprotective mechanism.
  • Clinical evidence suggests the human heart can undergo preconditioning.
  • Controversy remains regarding preconditioning efficacy in the aging (senescent) heart.

Purpose of the Study:

  • To investigate the potential for ischemic preconditioning in older adults.
  • To explore whether a history of angina confers protection in elderly patients experiencing acute myocardial infarction.

Main Methods:

  • Analysis of data from the Thrombolysis in Myocardial Infarction-4 (TIMI-4) clinical trial.
  • Comparison of outcomes in older patients (>=60 years) with and without a history of angina prior to myocardial infarction.

Main Results:

  • Older patients (>=60 years) with a history of angina showed a potential benefit.
  • This suggests a possible clinical manifestation of preconditioning in the senescent heart.

Conclusions:

  • The findings suggest that the aging human heart may be amenable to ischemic preconditioning.
  • A history of angina prior to myocardial infarction may represent a clinical correlate of preconditioning in the elderly.
  • Further research is warranted to confirm and elucidate this cardioprotective phenomenon in older populations.

More Related Videos

Postconditioning with Lactate-enriched Blood for Cardioprotection in ST-segment Elevation Myocardial Infarction05:26

Postconditioning with Lactate-enriched Blood for Cardioprotection in ST-segment Elevation Myocardial Infarction

Published on: May 28, 2019

Pre-clinical Model of Cardiac Donation after Circulatory Death06:26

Pre-clinical Model of Cardiac Donation after Circulatory Death

Published on: August 2, 2019

Related Concept Videos

Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and narrowing...
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send blood...
Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
Coronary Artery Disease IV: Preventive Measures01:26

Coronary Artery Disease IV: Preventive Measures

Effective preventive measures for coronary artery disease (CAD) focus on controlling modifiable risk factors, including cholesterol abnormalities and lifestyle changes.Cholesterol ManagementFirst, the Mediterranean diet and the American Heart Association advocate for maintaining low-density lipoprotein (LDL) cholesterol levels below 100 mg/dL, with a more stringent recommendation of below 70 mg/dL for individuals at high risk. LDL cholesterol, often termed "bad cholesterol," can lead to the...
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...