Monday, July 29, 2019

Biomarkers in midlife may predict physical decline years later

Clinical Perspective

What Is New?

Lower levels of NT-proBNP (N-terminal pro-B-type natriuretic peptide) and interleukin-6 in middle-aged adults were independently associated with better physical capability (a key component of healthy aging) up to 9 years later.

Such associations were meaningfully stronger than those observed for conventional risk markers including lipids, blood pressure, and glycemia and were not explained by the onset of cardiovascular and kidney disease or diabetes mellitus.

What Are the Clinical Implications?

Elevated NT-proBNP and interleukin-6 in midlife could help identify (and thereby target) individuals set to have poor physical capability as they age.

Such findings may relate in part to such biomarkers capturing early end-organ damage, or cumulative stressor pathways that lead to physical decline.

Future trials targeting improvements in physical capability should include middle-aged as well as older adults and use measurements of cardio-renal biomarkers as intermediate outcomes.

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