This massive release of inflammatory mediators, such as tumor necrosis factor-alpha and interleukins, causes blood vessels to dilate excessively and become more permeable. Careful fluid management, source control of infection, and balancing the need for inotropic support are central to stabilizing blood pressure regardless of the direction of the abnormality.
Severe Sepsis Hypertension Risk Factors and Pathophysiological Mechanisms
Understanding how sepsis can trigger both dangerously low and elevated blood pressure readings is essential for recognizing the diverse physiological chaos this syndrome can cause. Episodes of severe sepsis and septic shock can cause lasting damage to the cardiovascular system, including endothelial injury and autonomic nervous system dysregulation.
Vasoconstriction in non-essential vascular beds raises peripheral resistance. The direct contribution of sepsis to long-term hypertension risk remains an area of active investigation.
Severe Sepsis Hypertension Risk Factors and Mechanisms
Activation of the sympathetic nervous system increases cardiac output. 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.
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