The Veterinary Teaching Hospital at NC State University (VTH) is one of the few veterinary hospitals that provide high field MRI imaging for horses. The magnet is a Siemens Symphony 1.5T (so called high field) and this service is provided within the Veterinary Teaching Hospital by IAMS Pet Imaging Center in conjunction with the Equine Surgery Service.
This unique relationship allow the university to offer high end MR services to clients of the hospital in a state of the art high field magnet, driven by a dedicated team of experts. The IAMS suite director is an American boarded anesthetist and the magnet is run by a certified human MR technologist.
Patients must be admitted through the VTH, you can do this via your consulting veterinarian or you can make direct contact with the VTH. If the latter, you will be asked to nominate a referring veterinarian at time of discharge to ensure proper follow up.
What to expect
Before booking an MRI study, the case is reviewed by an equine orthopedic specialist and, ideally your consulting veterinarian. It is important that the lameness is accurately documented. If there is any doubt as to the site of lameness then additional diagnostics will need to be done, either by your veterinarian or by specialists at the VTH. There is absolutely no sense in imaging the wrong region. MRI is not usually used as a general screening tool for lameness in the horse, because of the imaging time and expense involved to acquire images of multiple areas.
Horses usually arrive the day before the scheduled exam. They undergo routine pre-anesthetic screening, all shoes are removed and if the feet are to be imaged, radiographs are made to ensure no nail fragments or other metallic debris is present that might result in image quality degradation.
Both the IAMS Pet Imaging Center and the VTH have boarded veterinary anesthetists and every precaution is taken to optimize anesthesia. Sophisticated MRI compatible anesthetic monitoring equipment and MRI compatible anesthetic machines are used. An equine patient spends up to 90 minutes in the magnet room, just over 60 of this is actual imaging the remaining setup and positioning. Special pads are used to optimize patient support. Recovery is usually uneventful and horses usually go home the next day, depending on the findings and if additional diagnostic or therapeutic procedures are elected. A report is generated by a board certified radiologist and the case reviewed extensively by the orthopedic service. Recommendations are made to your attending veterinarian.
The Equine Surgery Service at the NC State VTH involved in the diagnosis and management of orthopedic conditions comprises the following personnel:
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William R. Redding, DVM, MS, DACVS
Michael Schramme, DrMedVet, CertEO, PhD, Dip ECVS
Richard A. Mansmann, VMD, PhD