What is the clinical evidence from this study?

Study design: Review. Population: Heart failure. Intervention: Exercise training vs. Sedentary.

What question did this study set out to answer?

This review explores the mechanisms by which exercise training improves sympathetic nerve activity and fluid balance in heart failure.

November 19, 2011AJP Heart and Circulatory Physiology

Central neural control of sympathetic nerve activity in heart failure following exercise training

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Key result

Exercise training alleviates elevated sympathetic outflow in heart failure through normalization of excitatory glutamatergic and angiotensinergic mechanisms within the paraventricular nucleus.

Why the study?

Does exercise training improve central neural control of sympathetic nerve activity in heart failure?

Population

Patients with chronic congestive heart failure (HF) and animal models (rats with HF)

Design

Review

Authors

KPKaushik P. PatelHeart Failure & Transplant HZHong ZhengUniversity of South Dakota

Discussion

Member takes

Implication

Supports exercise for autonomic modulation in HF; leaves open clinical outcome trials.

Key Points

This review explores the mechanisms by which exercise training improves sympathetic nerve activity and fluid balance in heart failure.
Review of studies examining central pathways in heart failure altered by exercise training.
Focus on the role of specific CNS areas, particularly the paraventricular nucleus, in regulating sympathetic outflow.
Analysis of neuroplastic changes in the brain following exercise training in heart failure models.
Exercise training significantly reduces sympathetic nerve activity in heart failure patients.
Normalizes excitatory mechanisms involving glutamate and angiotensin within the paraventricular nucleus.
Improves autonomic reflexes and body fluid regulation in chronic heart failure.

Structured PICO

Does exercise training improve central neural control of sympathetic nerve activity in heart failure?

Population

Patients with chronic congestive heart failure (HF) and animal models (rats with HF)

Intervention

Exercise training (ExT)

Outcome

Central neural control of sympathetic nerve activity and autonomic reflexessurrogate

Exercise training improves autonomic balance in heart failure by modulating central nervous system pathways, specifically within the paraventricular nucleus of the hypothalamus.

Limitations

The coronary artery ligation animal model does not precisely mimic the human heart failure condition, which is a consequence of a long process of blood vessel alteration.

Cite This Study

Patel et al. (2011) conducted a review in Heart failure. Exercise training vs. Sedentary was evaluated. Exercise training alleviates elevated sympathetic outflow in heart failure through normalization of excitatory glutamatergic and angiotensinergic mechanisms within the paraventricular nucleus.

synapsesocial.com/papers/6a1784914f2b3115b012a855 https://doi.org/10.1152/ajpheart.00676.2011

Topics

Heart failure HFrEF treatment

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Bookmark

Central neural control of sympathetic nerve activity in heart failure following exercise training

Discussion

Member takes

Implication

Key Points

Structured PICO

Limitations

Cite This Study

Topics

Central neural control of sympathetic nerve activity in heart failure following exercise training

Discussion

Member takes

Implication

Key Points

Structured PICO

Limitations

Cite This Study

Also Consider

Topics

Also Consider