The Chiari Institute

The Chiari Institute is a medical institution that focuses on the treatment of Arnold-Chiari malformation and syringomyelia. It was established in 2001 by the North Shore-LIJ Health System, and is located in Great Neck, New York. The Institute was founded by Thomas H. Milhorat, MD shortly after he was appointed the Chairman of Neurosurgery at the North Shore-Long Island Jewish Health System, and Paolo Bolognese, MD. It is now led by Raj Narayan, MD. Paolo Bolognese left TCI on September, 1st, 2014

The institute itself is used as a treatment facility for patients with Chiari malformations and related illnesses. Research projects are carried out at the Boas-Marks Research Center, located on the campus of North Shore University Hospital. While working with the Chiari Institute, Milhorat and Bolognese have published several articles related to the diagnosis and treatment of Chiari malformations.

The Chiari Institute has been listed as a contributing facility to a number of published medical findings and reports. Most, if not all, have involved the work of Thomas Milhorat and Paolo Bolognese.

In 2003 a case report was published stating that, contrary to previously held belief, syringomyelia can present with a rapid progression of acute symptoms and requires the immediate placing of a ventriculoperitoneal shunt. They also published the first description of a decompression surgery utilizing color Doppler sonography. This technique has been used by Bolognese since 1999, and at the time the article was published had been used in more than 300 surgeries. This technique is meant to improve surgical technique and monitor patient-specific variables.

In 2007 they established an association between type one Chiari malformations and hereditary disorders of connective tissue. Both conditions can cause hypermobility of the neck and cranial settling. While the conditions are often treated differently, the findings showed that 12.7% of patients with type one Chiari malformations also presented with hereditary disorders of connective tissue and/or Ehlers-Danlos syndrome.

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