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Neurological Consequences of Cardiac Arrhythmias: Relationship Between Stroke, Cognitive Decline, and Heart Rhythm
Swathi Srinivas1, Bharath Vignesh Rk1, Venkat Nihar Ayinapudi1
1Medicine, Sri Ramachandra Institute of Higher Education and Research, Chennai, IND.
Insights
Cardiac arrhythmias significantly impact brain function, leading to high mortality. Early diagnosis and intervention are crucial for preventing neurological damage and improving patient outcomes by targeting the brain-heart axis.
Area of Science:
- Cardiology
- Neurology
- Neuroscience
Background:
- Cardiac arrhythmias are prevalent disorders associated with significant morbidity and mortality.
- The brain's high sensitivity to oxygen and blood supply makes it particularly vulnerable to the effects of cardiac arrhythmias.
- Neurological complications arising from cardiac disorders, including stroke, underscore the critical brain-heart axis connection.
Purpose of the Study:
- To review the pathophysiological mechanisms linking cardiac arrhythmias and brain dysfunction.
- To explore recent advances in understanding the brain-heart axis in the context of cardiac disorders.
- To summarize the neurological consequences of cardiac arrhythmias and their implications for patient outcomes.
Main Methods:
- Comprehensive literature review of existing studies on cardiac arrhythmias and neurological effects.
- Analysis of pathophysiological mechanisms underlying the brain-heart axis.
- Synthesis of current research on neurological consequences post-cardiac disorders.
Main Results:
- Cardiac arrhythmias profoundly affect brain function due to compromised cerebral blood flow and oxygenation.
- Multiple pathophysiological pathways mediate the neurological impact of arrhythmias, offering targets for novel therapies.
- Timely intervention post-arrhythmia is critical for mitigating neurological damage and improving survival rates.
Conclusions:
- Understanding the brain-heart axis is essential for managing patients with cardiac arrhythmias.
- Neurological consequences of cardiac arrhythmias are significant and potentially preventable.
- Further research into targeted therapies can improve patient quality of life and reduce mortality.
Abstract:
Cardiac arrhythmias are one of the most common disorders with high morbidity and mortality. The effect of cardiac arrhythmias on the brain is very pronounced due to the high sensitivity of the brain to oxygen and blood supply. This mortality is preventable by early diagnosis and treatment which improves the patient's quality of life. Intervening at the right time, post arrhythmia is significant in preventing deaths and improving patient outcomes. Multiple pathophysiological mechanisms are studied for the brain-axis implications, that have the potential to be targeted by novel therapies. In this review, we describe the pathophysiological mechanisms and recent advances in detail to understand the functional aspects of the brain-heart axis and neurological implications post-stroke, caused by cardiac disorders. This paper aims to discuss the current literature on the neurological consequences of cardiac arrhythmias and delve into a deeper understanding of the brain-heart axis, imbalances, and decline, with the aim of summarizing everything and all about the neurological consequences of cardiac arrhythmias.
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