Autonomic Dysreflexia

  • Hyun-Yoon Ko


Autonomic dysreflexia is a unique manifestation in people with spinal cord injury at T6 or above neurological level of injury. Episodes of autonomic dysreflexia are characterized by an acute increase in systolic blood pressure of at least 20 mmHg in individuals of spinal cord injury at or above T6 spinal cord and may or may not be accompanied by a decrease in heart beat. Autonomic dysreflexia is characterized by a sudden, massive, uninhibited reflex sympathetic discharges caused by any noxious stimuli below the lesion, and arterial blood pressure is significantly elevated. If the elevation of arterial blood pressure is so severe that it is not treated properly, it can be a life-threatening complication. Autonomic dysreflexia in the first month after spinal cord injury is rare, but cases have been reported in the first few days of injury. Autonomic dysreflexia can occur at any time from months to years after spinal shock phase.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Hyun-Yoon Ko
    • 1
  1. 1.Department of Rehabilitation MedicineRehabilitation Hospital, Pusan National University Yangsan Hospital, Pusan National University School of MedicineYangsanSouth Korea

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