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Disorders of the Autonomic Nervous System

Disorders of the Autonomic Nervous System

The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's...

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Latent Autonomic Dysfunction in a Chronic Cervical Spinal Injury.

Hiroshi Fujioka^1,2

¹Department of Neurosurgery, Ohshima Hospital, Saga, JPN.

|May 1, 2023

Summary

Latent autonomic dysfunction can occur in patients with chronic cervical spinal injuries, even after recovery. Identifying triggers like mental strain and alcohol is crucial for managing these elusive syncope episodes.

Keywords:

alcohol autonomic dysfunction cervical spinal injury chronic disorders syncope

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Published on: July 29, 2016

Area of Science:

Neurology
Autonomic Nervous System Research
Spinal Cord Injury Studies

Background:

Latent autonomic dysfunction is increasingly recognized in patients with chronic cervical lesions.
Cervical spinal injuries can lead to subtle, long-term neurological deficits affecting autonomic regulation.
Autonomic dysfunction may persist asymptomatically following recovery from cervical spinal injury.

Observation:

A 64-year-old male with a history of cervical spinal injury and excellent neurological recovery experienced recurrent syncope.
The cause of syncope was elusive for two years, highlighting diagnostic challenges.
Episodes were triggered by concurrent mental strain and alcohol intake.

Findings:

The patient's syncope was linked to transient sympathetic overactivation.
Complete cessation of alcohol intake and avoidance of mental strain resolved the syncope episodes.
This case demonstrates that autonomic dysfunction can be present but asymptomatic in individuals with prior cervical spinal injury.

Implications:

Patients with a history of cervical spinal injury may harbor undiagnosed autonomic dysfunction, regardless of apparent neurological status.
Identifying triggers for symptomatic autonomic dysfunction can be difficult due to their dynamic and varied nature.
Routine autonomic function evaluation should be considered for individuals with chronic cervical spinal injuries to prevent adverse events.