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Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression

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Late deterioration after decompression illness affecting the spinal cord

J Dyer¹, P Millac

¹Department of Neurology, Leicester Royal Infirmary, United Kingdom.

British Journal of Sports Medicine

|December 1, 1996

Summary

A diver experienced progressive leg weakness years after a single dry hyperbaric exposure caused temporary spinal cord dysfunction. Investigations revealed no other cause for his delayed neurological decline, suggesting a potential long-term effect of the initial injury.

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Area of Science:

Neurology
Diving Medicine
Hyperbaric Medicine

Background:

A history of spinal cord dysfunction following dry hyperbaric exposure.
Complete motor function recovery in the interim period.
Progressive paraparesis as the presenting symptom.

Observation:

The patient, a former amateur diver, presented with progressive paraparesis.
Thirteen years prior, he experienced acute spinal cord dysfunction immediately after dry hyperbaric exposure.
Full motor function had been regained during the intervening years.

Findings:

No alternative etiology for the progressive paraparesis was identified despite comprehensive investigation.
The patient's neurological decline was temporally distant from the initial hyperbaric event.

Implications:

This case highlights a potential for delayed neurological sequelae following hyperbaric exposure.
Further research is warranted to understand the long-term effects of spinal cord dysfunction after hyperbaric incidents.
Consideration of prior hyperbaric exposure in the differential diagnosis of unexplained progressive myelopathy is suggested.