Key result
Very high cardiorespiratory optimal point linked to ~176% higher cardiovascular mortality risk in men.
Why the study?
Cardiorespiratory optimal point (COP) reflects circulation-respiration interaction, but data on its relationship with adverse outcomes are limited.
Does the cardiorespiratory optimal point (COP) predict cardiovascular mortality in men aged 46 to 70 years?
Cohort (n=2,201)
No
Does the cardiorespiratory optimal point (COP) predict cardiovascular mortality in men aged 46 to 70 years?
The cardiorespiratory optimal point (COP) measured during cardiopulmonary exercise testing is being evaluated as a predictor of cardiovascular mortality in middle-aged men.
High COP (>30) may flag higher CV mortality risk on CPX in middle-aged men; leaves open incremental value beyond standard CPX measures.
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Araújo et al. (2023) conducted a cohort in Cardiovascular mortality risk (n=2,201). Very high Cardiorespiratory Optimal Point (COP > 30) vs. Low Cardiorespiratory Optimal Point (COP < 28) was evaluated on Cardiovascular mortality (HR 2.76, 95% CI 1.87 to 4.07, p=< 0.001). In men aged 46 to 70 years, a very high cardiorespiratory optimal point (> 30) was associated with a 2.76-fold increased risk of cardiovascular mortality compared to a low optimal point (< 28).
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