Compensatory Mechanisms Leading to Hypertension As sepsis progresses and blood pressure drops, the body activates powerful neurohormonal systems in a desperate attempt to maintain perfusion to vital organs. Vasoconstriction in non-essential vascular beds raises peripheral resistance.
Sepsis Shock Leading to Hypertension: How Compensatory Mechanisms Drive Blood Pressure Rise
The sympathetic nervous system surges, releasing norepinephrine and epinephrine, while the renin-angiotensin-aldosterone system (RAAS) becomes highly active. Fluid retention mediated by RAAS attempts to restore blood volume.
This results in an increased heart rate and force of contraction, along with widespread vasoconstriction, which can elevate systemic vascular resistance and systolic blood pressure significantly. Sepsis, a life-threatening systemic response to infection, creates widespread inflammation that disrupts normal organ function.
Sepsis Shock Leading to Hypertension Through Compensatory Mechanisms
This damage may predispose survivors to chronic hypertension, underscoring the importance of long-term cardiovascular follow-up for this population. The compensatory vasoconstriction may temporarily push blood pressure upward, even as the underlying vascular damage and cellular dysfunction persist.
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