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Related Concept Videos

Spinal Cord Injury ll: Pathophysiology01:14

Spinal Cord Injury ll: Pathophysiology

Spinal cord injury progresses through two interconnected phases: primary injury and secondary injury.Primary InjuryPrimary injury happens at the moment of trauma and involves immediate mechanical damage to the spinal cord.Compression happens when broken vertebrae, herniated discs, or accumulating blood (such as a hematoma) press directly against the spinal cord, distorting its normal shape and function. In cases of contusion, the cord is bruised by a blunt force (like penetrating injuries or...
Secondary Spinal Cord Injury llI: Pathophysiology01:25

Secondary Spinal Cord Injury llI: Pathophysiology

Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...

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Related Experiment Video

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Evaluation of Respiratory Muscle Activation Using Respiratory Motor Control Assessment RMCA in Individuals with Chronic Spinal Cord Injury
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Development and validation of a computerized algorithm for International Standards for Neurological Classification of

K Walden1, L M Bélanger1,2, F Biering-Sørensen3

  • 1Rick Hansen Institute, Vancouver, British Columbia, Canada.

Spinal Cord
|September 2, 2015
PubMed
Summary

A new algorithm standardizes spinal cord injury (SCI) classification using international standards. This computerized tool improves accuracy and usability in SCI assessment.

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Area of Science:

  • Neurology
  • Medical Informatics
  • Rehabilitation Medicine

Background:

  • The International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) are crucial for SCI assessment.
  • Standardizing the application of ISNCSCI is essential for consistent and accurate patient evaluation.
  • Previous methods may have introduced variability in SCI classification.

Purpose of the Study:

  • To develop and validate a computerized application for the ISNCSCI.
  • To enhance the usability and accuracy of SCI classification.
  • To standardize the interpretation of complex or challenging SCI cases.

Main Methods:

  • Development of the Rick Hansen Institute-ISNCSCI Algorithm (RHI-ISNCSCI Algorithm) based on ISNCSCI 2011 and worksheet 2013.
  • A five-phased development and validation process involving international experts.
  • Reconciliation of discrepancies between clinician-derived and algorithm-calculated results using data from acute and rehabilitation care settings.

Main Results:

  • The algorithm logic was refined through multiple phases using 48, 15, 351, and 1998 cases.
  • Cross-validation with 108 new cases confirmed algorithm accuracy, with discrepancies attributed to clinician errors.
  • The web-based application and algorithm code are freely available online.

Conclusions:

  • The RHI-ISNCSCI Algorithm offers a standardized and accurate method for SCI classification.
  • The web interface enhances usability and minimizes human error in SCI assessment.
  • This tool supports consistent neurological classification of spinal cord injury.