Key result
Diaphragmatic breathing induced significantly higher heart rate variability compared with deep breathing in healthy controls (P<0.01), but no difference was observed in type 2 diabetics.
Why the study?
Does diaphragmatic breathing improve heart rate variability compared to deep breathing in type 2 diabetics and healthy subjects?
Population
122 type 2 diabetics and 94 healthy subjects (controls)
Comparison
Diaphragmatic breathing at six respiratory… vs Deep breathing test at six respiratory cycles…
Design
RCT, randomly allocated
Follow-up
1 minute
Authors
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Diaphragmatic breathing may enhance HRV in healthy adults but not type 2 diabetes; confirms blunted autonomic modulation and subclinical neuropathy.
RCT (n=216)
Randomized
Does diaphragmatic breathing improve heart rate variability compared to deep breathing in type 2 diabetics and healthy subjects?
p-value: p=<0.01
Diaphragmatic breathing induces greater cardiac autonomic modulation than deep breathing in healthy subjects, but this effect is blunted in type 2 diabetics, highlighting persistent subclinical cardiac autonomic neuropathy.
Subbalakshmi et al. (2013) conducted an RCT in Type 2 diabetes (n=216). Diaphragmatic breathing vs. Deep breathing test was evaluated on Heart rate variability parameters (E:I ratio, r-MSSD, SDNN) (p=<0.01). Diaphragmatic breathing induced significantly higher heart rate variability compared with deep breathing in healthy controls (P<0.01), but no difference was observed in type 2 diabetics.
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