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Chiari Malformation

A structural defect where brain tissue extends into the spinal canal

Chiari malformation is a structural defect in which the cerebellum extends into the spinal canal, potentially compressing the brainstem and disrupting cerebrospinal fluid flow. It frequently co-occurs with EDS, CCI/AAI, syringomyelia, and dysautonomia. Many patients with POTS and EDS are later found to have an underlying Chiari malformation.

Types & Subtypes

Chiari Type I

Cerebellar tonsils extend >5mm into spinal canal; most common

Chiari Type II

Associated with spina bifida; more severe

Chiari Type 0

Symptoms without significant tonsillar herniation

Common Symptoms

Headache at back of skull (worse with coughing)Neck painDizzinessBalance problemsNumbness/tingling in handsDifficulty swallowingVision problemsFatiguePOTS symptoms

Management & Treatment Options

Watchful waiting for asymptomatic cases
Pain management
Posterior fossa decompression surgery
Duraplasty
Syrinx management
Physical therapy
Treating comorbid conditions

⚠️ Always consult a healthcare provider before starting any treatment.

Trusted Resources

🔗 Conquer Chiari🔗 American Syringomyelia & Chiari Alliance

Knowledge Base

6 documents

Sourced from authoritative medical organizations and peer-reviewed research.

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