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Outcome-Based Cardiovascular Risk Framework is Required After Spinal Cord Injury.

Armin Khavandegar1, Rahul Sachdeva2,3, Andrei Krassioukov1

  • 1International Collaboration on Repair Discoveries (ICORD), University of British Columbia, Vancouver, Canada (A. Khavandegar, A. Krassioukov).

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|February 24, 2026
PubMed
Summary
This summary is machine-generated.

Blood pressure instability and arterial stiffness in spinal cord injury (SCI) lack evidence-based thresholds. Establishing outcome-validated metrics is crucial for proactive cardiovascular risk management in SCI individuals.

Keywords:
autonomic dysreflexiacardiovascular riskhypertensionorthostatic hypotensionspinal cord injury

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Area of Science:

  • Cardiovascular science
  • Neuroscience
  • Rehabilitation medicine

Background:

  • Blood pressure (BP) instability, including autonomic dysreflexia and orthostatic hypotension, is common after spinal cord injury (SCI).
  • Arterial stiffness, measured by pulse wave velocity, is consistently elevated in SCI populations.
  • Current thresholds for defining these cardiovascular events lack outcome-based evidence, hindering clinical practice.

Purpose of the Study:

  • To highlight the urgent need for outcome-validated thresholds for BP instability and arterial stiffness in SCI.
  • To emphasize the link between these hemodynamic factors and increased cardiovascular disease risk in SCI.
  • To advocate for a shift towards proactive cardiovascular risk management in SCI.

Main Methods:

  • Review of accumulating data on BP variability and pulse wave velocity in SCI cohorts.
  • Identification of the need for a comprehensive, multicenter prospective framework.
  • Proposal for linking BP fluctuations and pulse wave velocity changes to cardiovascular end points.

Main Results:

  • Individuals with SCI, especially those with high-level injuries, exhibit profound BP variability.
  • Elevated pulse wave velocity suggests accelerated vascular aging in SCI.
  • Higher rates of ischemic heart disease, stroke, and sudden cardiac death are observed in SCI compared to the general population.

Conclusions:

  • Lack of validated thresholds limits risk stratification and proactive cardiovascular care in SCI.
  • Establishing outcome-anchored metrics for BP instability and arterial stiffness is essential.
  • Developing SCI-specific cardiovascular risk calculators will enable proactive prevention strategies.