Editorial Commentary: Real-Time Dynamic Magnetic Resonance Imaging of the Patellofemoral Joint: Ready for Prime Time?

Walter, William R.; Burke, Christopher J.

doi:10.1016/j.arthro.2021.11.034

Cited by 1 publication

(3 citation statements)

References 7 publications

(12 reference statements)

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“…An additional significant aspect to be considered in human kMRI studies is the standardization of radiofrequency coil positioning and patient setup for each region of interest and its range of motion [ 10 ]. Although kMRI is widely diffuse and recognized for its relevant diagnostic properties, there is still no consensus regarding technical parameters and setups [ 10 , 19 ]. This aspect could probably relate to the presence of multiple and custom-made kinematic sequences and various original equipment manufacturers for the MRI scanners [ 10 , 28 ].…”

Section: Discussionmentioning

confidence: 99%

“…The kinematic technique investigated in Tremolada et al research [ 11 ] was an incremental acquisition performed by using of an MRI-compatible stifle-loading jig. As in human medicine, the main limitation of these techniques is the lack of availability and reproducibility of such devices by other groups [ 19 , 28 ]. Furthermore, to allow proper positioning, a bone tunnel was drilled, and two Kirschner wires were placed in each cadaver’s tibia.…”

Section: Discussionmentioning

confidence: 99%

“…One major drawback of this method is the considerable amount of time added to the standard MRI protocol when used in a clinical setting, consequently increasing the anesthetic time and risk for the patient, as well as the overall exam time and cost [ 12 , 14 ]. The real-time acquisition technique is a very fast kMRI modality allowing the study of joint and spine movements in a few seconds [ 10 , 18 , 19 ]. To the authors’ knowledge, this method has never been tested in veterinary medicine.…”

Section: Introductionmentioning

confidence: 99%

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Development of Real-Time Kinematic Magnetic Resonance Imaging (kMRI) Techniques for Studying the Kinematics of the Spine and Joints in Dogs—Preliminary Study on Cadavers

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Kinematic MRI (kMRI) is a novel human imaging technique that couples the excellent soft tissue contrast and multiplanar capabilities of traditional MRI with kinematic potential. The study’s goals are: (1) testing the feasibility of spinal cord and joints real-time kMRI; and (2) evaluating the quality of these kinematic studies as a new diagnostic option in veterinary medicine. Standard and real-time kinematic MRI were performed on cervical spine, elbow, and stifle joints of seven cadavers. Studies were repeated after a surgical insult aimed to create a certain degree of joint instability. A total of 56 MRI were performed—7 cervical spinal tracts, 3 elbow joints, and 4 stifle joints were examined. The technique was feasible in all the three regions examined. The images were considered of excellent quality for the stifle joint, good to fair for the cervical spine, whereas two of three elbow studies were considered to have unacceptable image quality. Additionally, real-time kMRI provided good to excellent information about stifle instability. Therefore we consider kMRI a promising technique in veterinary medicine. Further studies and an in vivo setting are needed to increase the quality of the kMRI images, and to fully evaluate clinical usefulness.

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