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January 15, 2002Circulation

Slow Breathing Increases Arterial Baroreflex Sensitivity in Patients With Chronic Heart Failure

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Why the study?

Does a slow breathing rate increase arterial baroreflex sensitivity in patients with chronic heart failure?

Population

81 patients with stable chronic heart failure, mean age 58+/-1 years, NYHA classes I-IV, and 21 controls.

Comparison

Slow breathing rate (6 breaths/min) vs Spontaneous breathing

Design

Other

Authors

LBLuciano BernardiCPCesare PortaLSLucia Spicuzza

Discussion

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Overview

Supports slow breathing as a potential adjunct for autonomic modulation in stable CHF; extends evidence on respiratory rate as a modifiable baroreflex factor.

Structured PICO

Does a slow breathing rate increase arterial baroreflex sensitivity in patients with chronic heart failure?

P
Population
81 patients with stable (2 weeks) chronic heart failure (CHF), mean age 58+/-1 years, NYHA classes I-IV, and 21 controls (total n=102).
I
Intervention
Slow breathing rate (6 breaths/min)
C
Comparator
Spontaneous breathing
O
Outcome
Baroreflex sensitivitysurrogate

Slow breathing at 6 breaths/min acutely increases arterial baroreflex sensitivity and reduces blood pressure in patients with stable chronic heart failure.

Cite This Study

Bernardi et al. (2002) studied this question.

synapsesocial.com/papers/6a20b1cb52a81c8a3de52016https://doi.org/10.1161/hc0202.103311
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