Why the study?
Does the variability of photoplethysmographic (PPG) parameters evaluate autonomic nervous system function in normal subjects and diabetic patients?
Does the variability of photoplethysmographic (PPG) parameters evaluate autonomic nervous system function in normal subjects and diabetic patients?
Variability of PPG parameters shows promise as a non-invasive method for assessing autonomic nervous system function, particularly in detecting autonomic neuropathy in diabetic patients.
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May support non-invasive autonomic neuropathy screening in diabetes; hypothesis-generating and should not yet change practice.
Nitzan et al. (1998) studied this question.
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