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14.03.2008 21:01

Studies Using the FONAR UPRIGHT(R) Multi-Position(TM) MRI Published in The Journal of Neurology As Beneficial in Evaluating the Dynamic Aspects of Chiari Malformation

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FONAR Corporation (News) (NASDAQ-FONR), The Inventor of MR Scanning™ announced that the value of the FONAR UPRIGHT® Multi-Position™ MRI in the diagnosis and evaluation of Chiari malformation patients has just been published by The Chiari Institute, North Shore-Long Island Jewish Health Systems, in the Journal of Neurosurgery: Spine, December 2007, Volume 7 and *

The release includes 2 images from a patient with Chiari Malformation and HDCT. A more detailed description of the images follows: FIG. 6. Results of vertical MR imaging in a 27-year-old woman with HDCT/CM-I. Midsagittal image in supine position (left) showing normal basion-dens interval (7.7 mm), normal basion- atlas interval (3.5 mm), normal clivus-axis angle (141 degrees), large retroodontoid pannus, and low-lying cerebellar tonsils. On assumption of the upright position (right), there is evidence of cranial settling (2.6 mm decrease of basion-dens interval), posterior gliding of occipital condyles (4.3 mm increase of basion-atlas interval), anterior flexion of the occipitoatlantal joint (8 degree decrease of clivus-axis angle), increased basilar impression, and cerebellar ptosis with downward displacement of cerebellar tonsils to C-1 (white arrow). Note the greatly increased impaction of the foramen magnum anteriorly and posteriorly. Line C, superior plane of the clivus; Line D, plane of the posterior surface of the dens. Asterisk indicates the retroodontoid pannus.

The images and CAPTION may also be found at

The authors were Thomas H. Milhorat, M.D., Paolo A. Bolognese, M.D., Misao Nishikawa, M.D., of the Department of Neurosurgery, The Chiari Institute, North Shore-Long Island Jewish Health Systems; Nazli B. McDonnell, M.D., PhD., of the NIH National Institute on Aging; and Clair A. Francomano, M.D. of the Greater Baltimore Medical Center. The article, titled, “Syndrome of occipitoatlantoaxial hypermobility, cranial settling, and Chiari malformation Type I in patients with hereditary disorders of connective tissue,“ examined patients with CT as well as the FONAR UPRIGHT® MRI.

The conclusion of the study was to report a previously unrecognized association between Chiari Malformation Type I (CM-I) and Hereditary Disorders of Connective Tissue (HDCT). The study occurred between January 2002 and April 2007 and involved 2,813 patients, of which 45% were referred for evaluation after failed Chiari Malformation surgery.

The primary diagnostic tools utilized in the study were 2D reconstructed CT and upright X-ray radiography. The final stage of the study included examinations of patients in the FONAR UPRIGHT® MRI for comparison.

The authors described, for the first time, the phenomenon of “cranial settling,“ occurring in patients with both Chiari Malformation 1 (CM-I) and Hereditary Disorders of Connective Tissue (HDCT).

They reported, “Recent experience with vertical MR imaging has proved helpful in understanding the dynamic features of occipitoatlantoaxial hypermobility. As shown in Fig. 6, functional cranial settling was associated with notable displacements that included reduction of the basion-dens interval, posterior gliding of the occipital condyles, anterior flexion of the occipitoatlantal joint, increased basilar impression, and cerebellar ptosis with downward displacement of the cerebellar tonsils. These displacements are consistent with the often-pronounced symptoms and signs of lower brainstem dysfunction experienced by patients with cranial settling on assumption of the upright position.“

Concluding this peer-reviewed paper, the acknowledgment by Dr. Milhorat, et al. kindly reported, “We thank Dr. Raymond V. Damadian (Fonar Corporation) for providing technical assistance and supervision of patients undergoing vertical MR imaging.“

Dr. Damadian, president and chairman of FONAR said, “We are appreciative of Dr. Milhorat and his team for recognizing the FONAR UPRIGHT® MRI's power to visualize the full cranial settling, cerebellar ptosis, cerebellar tonsil descent and foramen magnum impaction that occurs in the Chiari Malformation-I/HDCT patients so they can be optimally addressed surgically.“

About The Chiari Institute

The Chiari Institute is the world's first comprehensive, multi-disciplinary center for the management of patients suffering from Chiari Malformation (CM), a rare structural condition that affects the cerebellum; syringomyelia, a chronic disease of the spinal cord; and related disorders.

The Chiari Institute was founded in 2001 by Dr. Thomas H. Milhorat, chairman of the departments of neurosurgery at North Shore University Hospital in Manhasset, N.Y., and Long Island Jewish Medical Center in New Hyde Park, N.Y., and represents the fruition of his decade-long effort to establish an institution dedicated to the treatment of these often misdiagnosed conditions.

While at the State University of New York Health Science Center in Brooklyn, Dr. Milhorat, et al. published a landmark study in the journal Neurosurgery, 1999 May;44(5):1005-17. The article is titled “Chiari I Malformation redefined: clinical and radiographic findings for 364 symptomatic patients“. What Dr. Milhorat and his team discovered, using MRI, was that cerebral spinal fluid (CSF) flow was restricted or blocked around the cerebellar tonsils for patients with Chiari Malformation. They also found that Chiari is a condition where the crowding is due to a small posterior fossa region, rather than a large brain. For a reference visit: *

* (Due to their length, these URLs may need to be copied/pasted into your Internet browser's address field. Remove the extra space if one exists.)

For more information on The Chiari Institute visit: www.northshorelij.com/body.cfm?ID=6407

Be sure to visit FONAR's Website for product and investor information:

The Inventor of MR Scanning™, Full Range of Motion™, pMRI™, Dynamic™, Multi-Position™, True Flow™, Spondylography™, Spondylometry™ and The Proof is in the Picture™ are trademarks and UPRIGHT® and STAND-UP® are registered trademarks of FONAR Corporation.

This release may include forward-looking statements from the company that may or may not materialize. Additional information on factors that could potentially affect the company's financial results may be found in the company filings with the Securities and Exchange Commission.

 

 

30.04.2008 13:38

FONAR Expands International Reach with Sale of UPRIGHT(R) MRI in Australia.

FONAR Corporation (News) (NASDAQ:FONR), The Inventor of MR Scanning™, announced today expansion of its international reach with a sale of its unique UPRIGHT® Multi-Position™ MRI to a group medical practice in Australia.

Australia represents a large new market. Today, approximately 100 MRI scanners serve the 20 million people in The Commonwealth of Australia.

Raymond Damadian, president and founder of FONAR said, “We believe the sale in Australia is just one more indication of the enormous future of FONAR's UPRIGHT® patented technology. Many patients have come to the United States from Australia just to be scanned on the UPRIGHT® MRI. Physicians and patients realize that they need the unique advantages of this advanced weight-bearing multi-position technology. A scan performed while the patient is lying down simply doesn't allow physicians to see the patient's spine and other extremities in the positions the patient experiences pain.

“For instance, if a person's neck hurts only when he or she flexes,“ continued Dr. Damadian, “the problem cannot be properly diagnosed with an MRI when the patient is lying down and symptoms are absent. Indeed, a static, recumbent non-weight-bearing scan may not visualize any pathology at all. If the recumbent scan shows something, the physician still must know the full extent of the pathology when the patient flexes and extends his/her neck. This relative blindness of the surgeon's ability to visualize the complete dynamic behavior of the patient's problem in its full range-of-motion can lead to less than optimal surgical results. The FONAR UPRIGHT® Multi-Position™ MRI enables surgeons to achieve optimal surgical outcomes.“

"The FONAR UPRIGHT® MRI also enables the ideal patient experience,“ Dr. Damadian concluded. “The patient walks into the MRI, sits down and watches a 42“ flat screen TV as the scan is being performed.“

FONAR expects to install the newly sold MRI during the current calendar year.

Be sure to visit FONAR's Website for product and investor information: www.fonar.com

The Inventor of MR Scanning™, Full Range of Motion™, pMRI™, Dynamic™, Multi-Position™, True Flow™ and The Proof is in the Picture™ are trademarks and UPRIGHT® and STAND-UP® are registered trademarks of FONAR Corporation.

This release may include forward-looking statements from the company that may or may not materialize. Additional information on factors that could potentially affect the company's financial results may be found in the company filings with the Securities and Exchange Commission.

 

http://www.fonar.com/

Eigentlich eine ganz interessante Technologie, leider wurde es bisher nicht so angenommen wie gedacht. Kann man nur hoffen, dass es hier weiter geht und der Kurs mal wieder in die andere Richtung schlägt.

 

Dieser Beitrag bezieht sich auf Themenbeitrag Nr. 132006 von Araich - 09.05.08 21:23 Uhr

find ich auch ganz interessant, nur wird sich diese Gerätschaften kaum einer leisten können, wir als normalo Patienten bekommen so was ja eh nie zu Gesicht!

 

Dieser Beitrag bezieht sich auf Themenbeitrag Nr. 132013 von Neitka - 09.05.08 21:54 Uhr

Naja ich denke es ist ein Preis-Leistungs-Verhältnis, wenn es die "normalen" auch tun warum also so tief in die Tasche greifen? Allerdings würde man sowas nicht produzieren, um es dann nicht verkaufen zu können. Und das es nur "Privatpatienten" vorbehalten ist, glaube ich auch nicht. Sagt ja auch niemand dass es nur in der Humanmedizin angewendet wird. Wenn man mal an den tiermedizinischen oder Forschungsbereich denkt, eröffnet sich doch gleich ein ganz anderer Markt.