Key result
Type 1 diabetes mellitus patients exhibited significantly reduced heart rate variability during one minute of controlled deep breathing compared to healthy controls, including a lower SDNN (50.33 vs 88.76 ms, p<0.01).
Why the study?
The integrity of cardiovascular autonomic control in diabetic patients can be assessed through heart rate variability.
Does HRV analysis during one minute controlled deep breathing detect sympathovagal imbalance in type 1 diabetes mellitus patients compared to age-matched controls?
Cross-Sectional (n=60)
No
Does HRV analysis during one minute controlled deep breathing detect sympathovagal imbalance in type 1 diabetes mellitus patients compared to age-matched controls?
HRV analysis during one minute of controlled deep breathing is a simple, non-invasive method that can detect cardiac autonomic neuropathy in patients with type 1 diabetes mellitus.
Answers are grounded in this paper and cite their sources.
Reduced HRV during deep breathing may signal autonomic neuropathy in type 1 diabetes; leaves open utility of routine screening.
Introduction The Autonomic nervous system is the principle way by which the heart rate can be controlled effectively. The integrity of the autonomic control of the cardiovascular system in diabetic patients can be studied by observing the heart rate variability (HRV) Materials and Method 30 type 1 diabetic patients attending the Diabetology clinic of Stanley Medical College, Chennai and 30 age matched controls were enrolled. Heart rate variability analysis during one minute controlled deep breathing was performed on all the subjects and the results obtained were compared between the groups Results HRV analysis in type 1 diabetes mellitus patients show Significant reduction in SDNN, RMSSD, NN50 and pNN50 Significant reduction of mean RR, HF and HF nu, compared to that of controls Conclusion HRV during one minute controlled deep breathing is a simple non invasive test to detect cardiac autonomic neuropathy. Hence HRV db should be recommended as a screening test for diabetes mellitus patients.
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M.Rathnavelkumaran M.Janet Sugantha (2019) conducted a cross-sectional in Type 1 Diabetes Mellitus (n=60). Type 1 Diabetes Mellitus vs. Healthy matched controls was evaluated on SDNN (Standard Deviation of NN intervals) during one minute controlled deep breathing (p=<0.01). Type 1 diabetes mellitus patients exhibited significantly reduced heart rate variability during one minute of controlled deep breathing compared to healthy controls, including a lower SDNN (50.33 vs 88.76 ms, p<0.01).
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