Related Experiment Video
Updated: Aug 4, 2026
11:56
In Vitro Bioluminescence Assay to Characterize Circadian Rhythm in Mammary Epithelial Cells
Published on: September 28, 2017
Circadian rhythms: implications for cardiovascular nursing and drug therapy
1Niehoff School of Nursing, Foster G. McGaw Hospital Loyola University, Chicago, Illinois.
The Journal of Cardiovascular Nursing
|October 1, 1993
Summary
Biologic rhythms significantly impact cardiovascular events like heart attacks. Timing medication based on these circadian rhythms optimizes treatment effectiveness and reduces adverse effects.
Area of Science:
- Cardiovascular Medicine
- Chronobiology
- Pharmacology
Background:
- Biologic rhythms, particularly circadian variations, play a crucial role in cardiovascular functioning.
- Documented evidence shows circadian patterns in ischemic events, including acute myocardial infarction, sudden cardiac death, and cerebrovascular emboli.
Purpose of the Study:
- To explore emerging therapeutic strategies leveraging circadian fluctuations in physiology and pathology.
- To highlight the benefits of chronotherapy in optimizing drug administration and treatment outcomes.
- To suggest future research directions for nursing in this field.
Main Methods:
- Review of current literature on circadian rhythms and cardiovascular events.
- Analysis of therapeutic approaches based on temporal patterns in disease and physiology.
- Examples of specific drug classes (beta-adrenergic blockade, nitrates, steroids, anticoagulants) and their chronotherapeutic applications.
Main Results:
- Understanding circadian variations allows for optimized timing of medical interventions.
- Chronotherapy can enhance treatment efficacy and minimize adverse events.
- Specific examples demonstrate the practical application of circadian-based therapies.
Conclusions:
- Circadian rhythms are integral to cardiovascular health and disease.
- Timing of therapeutic interventions is critical for optimizing patient outcomes.
- Further nursing research is needed to advance chronotherapeutics in cardiovascular care.
Related Concept Videos
02:19Circadian Rhythms and Gene Regulation
The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent years,...
01:30Factors Influencing Heart Rate
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
01:18Cardiovascular Drugs: Classification based on Therapeutic Indications
Cardiovascular diseases, encompassing a range of conditions, can significantly affect the heart's operations and the overall circulatory system. These conditions impair the heart's ability to pump blood, leading to a deficit in oxygen supply to crucial organs. Anomalies in the heart's electrical system, known as arrhythmias, can cause heartbeats to accelerate or slow down. Usually, heart rates increase during physical activity and decrease while resting or sleeping. However, frequent irregular...
01:19Factors Affecting Drug Biotransformation: Biological
Biological factors significantly impact drug metabolism, influencing drug clearance, efficacy, and potential toxicity.
Species differences: Variations in enzyme systems across species can cause disparities in drug metabolism. For instance, humans may metabolize certain drugs faster than rodents, altering therapeutic effects.
Strain differences: Genetic variations within a species can result in differing enzyme activity, impacting drug response and toxicity. For example, some mouse strains may...
Species differences: Variations in enzyme systems across species can cause disparities in drug metabolism. For instance, humans may metabolize certain drugs faster than rodents, altering therapeutic effects.
Strain differences: Genetic variations within a species can result in differing enzyme activity, impacting drug response and toxicity. For example, some mouse strains may...
01:15Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response
Circadian rhythms are cyclic changes that are crucial in plasma drug concentrations. Various standard circadian parameters, including core body temperature, heart rate, and other cardiovascular factors, directly impact disease states and the therapeutic response to drug therapy.
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
01:25Dysrhythmias VII: Nursing Management of Dysrhythmias
Nursing management of dysrhythmias involves the following:AssessmentSubjective Assessment:The initial step involves gathering patient-reported symptoms such as dizziness, palpitations, and chest discomfort. It is crucial to collect a detailed history, including previous heart conditions, current medication use, and lifestyle factors like caffeine and alcohol consumption.Objective Assessment:This involves observing clinical signs such as jugular venous distention, cool and pale skin, and...