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  • Title: Experimental spinal cord trauma, I: Correlation of blood flow, tissue oxygen and neurologic status in the dog.
    Author: Ducker TB, Salcman M, Perot PL, Ballantine D.
    Journal: Surg Neurol; 1978 Jul; 10(1):60-3. PubMed ID: 684608.
    Abstract:
    Spinal cord blood flow and tissue oxygen were measured concurrently in a series of paraplegic dogs subjected to experimental spinal cord trauma. Injury to the spinal cord sufficient to cause clinical paraplegia is associated with a significant (P less than 0.01) decrease in blood flow in the central spinal cord from 15.2 to 6.1 ml/min/100gms at two to three hours following injury. Also, at two and three hours post-injury, paraplegic dogs demonstrate a significant (P less than 0.01) decrease in tissue oxygen levels from 35-39 mm Hg to 17-24 mm Hg. No significant changes occurred in systemic blood pressure or carotid blood flow. A delay often precedes the significant onset of blood flow and tissue oxygen alterations, which suggests that therapeutic efforts could be directed during this critical interval.
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