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December 1, 2019The Medical Journal of Cairo University/˜The œMedical Journal of Cairo UniversityOpen Access

Effect of Deep Breathing on Heart Rate Variability Following Coronary Artery Bypass Graft

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Why the study?

Autonomic complications frequently occur after CABG, and the study aimed to investigate whether deep breathing via an inspiratory muscle trainer modulates the autonomic nervous system and functional capacity during phase 1 cardiac rehabilitation.

Does inspiratory muscle training improve heart rate variability and functional capacity in male patients following coronary artery bypass graft?

Population

Forty male patients aged 40-60 years post-CABG

Comparison

Inspiratory muscle training plus routine physiotherapy vs routine chest physiotherapy alone

Design

Two-group study

Follow-up

Until the day of discharge

Authors

PHPh.D. ABEER A. FARGHALY ZEINAB M. HELMYMGM.D. HAIDY M. EL MOSALAMY AYMN S. GADO

Discussion

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Overview

May support HRV for post-CABG autonomic monitoring in ICU; leaves open impact on outcomes.

Structured PICO

Does inspiratory muscle training improve heart rate variability and functional capacity in male patients following coronary artery bypass graft?

P
Population
40 male patients aged 40-60 years undergoing phase 1 cardiac rehabilitation following Coronary Artery Bypass Graft (CABG) at a single center in Egypt.
I
Intervention
Inspiratory muscle training using an inspiratory trainer added to routine physiotherapy (percussion, vibration, and breathing exercises), starting the first day after weaning from mechanical ventilation until hospital discharge.
C
Comparator
Routine chest physiotherapy program (percussion, vibration, and breathing exercises) alone.
O
Outcome
Heart rate variability (measured by root square of successive differences between RR intervals [RMSSD]) and functional capacity (measured by 6-minute walk distance) at hospital discharge.surrogate

Inspiratory muscle training during phase 1 cardiac rehabilitation post-CABG significantly improves vagal tone and functional capacity.

Cite This Study

HELMY et al. (2019) studied this question.

synapsesocial.com/papers/6a7ca9e9b7ca9b673b7cd113https://doi.org/10.21608/mjcu.2019.88815
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Short-term supervised inpatient physiotherapy exercise protocol improves cardiac autonomic function after coronary artery bypass graft surgery – a randomised controlled trial2010 · 45 citations
  2. 2High-intensity inspiratory protocol increases heart rate variability in myocardial revascularization patients2016 · 18 citations
  3. 3Changes in Heart Rate Variability after Coronary Artery Bypass Grafting and Clinical Importance of These Findings2015 · 42 citations
  4. 4Influence of Deep Breathing on Heart Rate Variability in Patients with Ischemic Heart Disease2005 · 4 citations
  5. 5Immediate effect of short duration of slow deep breathing on heart rate variability in healthy adults2014 · 16 citations