What is Chiari Malformations? (Definition)
(Symptoms, Causes & Treatment)
According to the National Institute of Neurological Disorders and Stroke, Chiari malformations (CMs) are identified as structural defects in the cerebellum, the part of the brain that controls balance. Normally the cerebellum and parts of the brain stem sit in an indented space at the lower rear of the skull, above the foramen magnum. When part of the cerebellum is located below the foramen magnum, it is referred to as a Chiari malformation.
Chiari Malformations may develop when the bony space is smaller than normal, causing the cerebellum and brain stem to be pushed downward into the foramen magnum and into the upper spinal canal. The resulting pressure on the cerebellum and brain stem may affect functions controlled by these areas and block the flow of cerebrospinal fluid (CSF)— the clear liquid that surrounds and cushions the brain and spinal cord—to and from the brain.
Signs and Symptoms
People with Chiari Malformations may experience neck pain, balance problems, muscle weakness, numbness or other abnormal feelings in the arms or legs, dizziness, vision problems, difficulty swallowing, ringing or buzzing in the ears, hearing loss, vomiting, insomnia, depression, or headache made worse by coughing or straining. Hand coordination and fine motor skills may be affected.
See below for updated news and information regarding Chiari Malformations including new medical research, treatment options and advancements.
Latest Chiari Malformations Research – Treatment News, Discoveries and Findings
No recent news regarding Chiari Malformations is available.
Clinical Resources: Treatment Therapies & Guidelines
Clinical Trials – Investigational Therapies
For information on current clinical trials, visit www.clinicaltrials.gov. This is a searchable registry and results database of federally and privately supported clinical trials taking place in the U.S and abroad. ClinicalTrials.gov provides information about a trial’s purpose, who may participate, locations, and phone numbers. This information should be used in conjunction with advice from health care professionals.
For information about clinical trials being conducted at the National Institutes of Health (NIH) Clinical Center in Bethesda, MD, contact the NIH Patient Recruitment Office:
Toll Free: (800) 411-1222
TTY: (866) 411-1010
For information about clinical trials conducted in Europe, visit: https://www.clinicaltrialsregister.eu/ctr-search/search
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