Key result
Direct visual inspection of the heart rate turning point to identify the anaerobic threshold showed no significant difference from gaseous analysis (P > 0.050) with strong correlation (r = 0.914).
Why the study?
Does the heart rate turning point method accurately identify the anaerobic threshold compared to respiratory gas exchange analysis in patients with cardiopulmonary diseases?
Observational
Does the heart rate turning point method accurately identify the anaerobic threshold compared to respiratory gas exchange analysis in patients with cardiopulmonary diseases?
Effect estimate: r = 0.914
p-value: p=> 0.050
Direct visual inspection of the heart rate turning point is a feasible alternative to respiratory gas exchange analysis for identifying the anaerobic threshold in patients with cardiopulmonary diseases.
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May support heart rate turning point as simpler alternative in cardiopulmonary patients; hypothesis-generating and requires prospective validation before practice change.
Yi-Tien Su (2013) conducted an observational in Cardiopulmonary Diseases. Heart rate turning point (HRTP) method vs. Respiratory gas exchange analysis was evaluated on Differences in heart rate and oxygen consumption at the anaerobic threshold (r = 0.914, p=> 0.050). Direct visual inspection of the heart rate turning point to identify the anaerobic threshold showed no significant difference from gaseous analysis (P > 0.050) with strong correlation (r = 0.914).
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