Streamlining blood pressure measurement

Researchers have developed a novel technique to estimate key hemodynamic parameters using arterial blood pressure measurements.

Researchers utilized a state-space model to estimate real-time proportional cardiac output in a porcine model, according to a study published in IEEE Transactions on Biomedical Engineering.

The researchers found that proportional cardiac output derived from arterial blood pressure alone was closely aligned with measurements obtained using more invasive methods. The estimates were also consistent across central, femoral and brachial arterial blood pressure measurement sites. Further, the novel method produced predictable changes in estimated systemic vascular resistance and cardiac output in response to common cardiovascular medications.

The researchers underscored that their novel method showed the potential to improve cardiovascular monitoring in critical care settings. They hope that the method could provide clinicians with crucial hemodynamic information while avoiding the risks associated with more invasive monitoring techniques such as pulmonary artery catheters. However, future studies will be needed to examine its efficacy in human models and to validate its clinical utility across diverse patient populations.

Read more: IEEE Transactions on Biomedical Engineering

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