Why the study?
Is R-R variation more sensitive than the Valsalva ratio in detecting early cardiovascular diabetic autonomic neuropathy?
Population
75 subjects total: 12 nondiabetic subjects, 22 diabetic subjects with symptoms of diabetic autonomic…
Comparison
Measurement of R-R variation and Valsalva ratio… vs Nondiabetic controls and baseline measurements…
Design
Cross-sectional
Authors
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R-R variation may detect early autonomic neuropathy in asymptomatic diabetes better than Valsalva ratio; hypothesis-generating and requires prospective validation.
Is R-R variation more sensitive than the Valsalva ratio in detecting early cardiovascular diabetic autonomic neuropathy?
R-R variation is more sensitive than the Valsalva ratio for detecting early, mild cardiovascular diabetic autonomic neuropathy.
Rothschild et al. (1987) studied this question.
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