What is isolated systolic hypertension and is it more dangerous than diastolic?

Isolated systolic hypertension (systolic above 130/140 mmHg with diastolic below 90 mmHg) is the most common pattern of hypertension in men over 50, driven by increasing arterial stiffness with age that raises systolic pressure while diastolic may remain stable or decline, and it is more cardiovascularly significant than isolated diastolic hypertension at comparable absolute levels, because systolic pressure reflects the pulsatile stress on arterial walls during each cardiac contraction (Franklin et al., Hypertension, 1999).

Pulse pressure (systolic minus diastolic) is an independent cardiovascular risk marker that reflects arterial stiffness, a pulse pressure above 60 mmHg (e.g., 150/85) is associated with significantly elevated cardiovascular mortality, largely through the accelerated arterial stiffening it represents. Age-related isolated systolic hypertension is partly preventable through aerobic exercise (which preserves arterial compliance), avoidance of chronic smoking and hyperglycemia (which drive AGE-mediated arterial stiffness), and blood pressure management from an early age.

Honesty Scale: Solid (1) for isolated systolic hypertension's cardiovascular risk primacy over isolated diastolic hypertension in men over 50.

What to do: Track both systolic and diastolic values. If your systolic is consistently above 130 mmHg and your diastolic is below 85 mmHg, this is the isolated systolic pattern that warrants blood pressure management focused on systolic reduction. Aerobic exercise is particularly effective for systolic hypertension through arterial compliance restoration.

For the full picture, read The Blood Pressure Deep Dive