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KMID : 0388720130200030123
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Journal of Korean Society of Spine Surgery
2013 Volume.20 No. 3 p.123 ~ p.128
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Subacute Delayed Ascending Myelopathy after Spinal Cord Injury from Flexion-distraction Injury of Low Thoracic Spine
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Park Sang-Jae
Cho Jae-Hwan
Shin Sang-Ik
Chang Bong-Soon
Lee Choon-Ki
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Abstract
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Study Design: A case report.
Objectives: To report a rare case of subacute delayed ascending myelopathy.
Summary of Literature Review: After low spinal cord injury, the cord injury may proceed to a proximal level and lead to subacute delayed ascending myelopathy. The patient suffered from orthostatic hypotension, weakness and sensory loss in the upper extremities and dyspnea. MRI showed more proximal progression of the spinal cord injury. There is no prevention or treatment for this condition.
Materials and Methods: A 62-year-old man fell from heights and had 11th thoracic spine flexion-distraction injury. Upon arrival at the hospital, he was found to suffer from lower extremity weakness and sensory loss, but showed no neurologic symptom in his upper extremities. Two days later, we performed posterior instrumentation with fusion, and no postoperative neurologic symptom change was detected. One week after the fall, he suffered from dyspnea, upper extremity weakness and sensory loss. MRI was taken and we discovered that his spinal cord injury had proceeded to the 2nd cervical spine level.
Results: Three months later, he showed little improvement in his upper extremity motor power, but not to the extent of the previous low spinal injury.
Conclusion: Physicians should pay attention to the upper extremity and respiratory function of the patient with low spinal cord injury, because the level of spinal cord injury may proceed to a proximal level.
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KEYWORD
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Subacute delayed ascending myelopathy, Low thoracic spine, Spinal cord injury
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