Noninvasive methods of measuring bone blood perfusion
1Department of Radiology, Weill Medical College of Cornell University, New York, NY, USA. jpd2001@med.cornell.edu
Annals of the New York Academy of Sciences
|April 16, 2010
Summary
Noninvasive imaging techniques like MRI and PET can assess bone blood flow and perfusion. This aids in evaluating healing after injury and diagnosing bone diseases, improving patient treatment strategies.
Area of Science:
- Biomedical Imaging
- Orthopedics
- Radiology
Background:
- Assessing bone blood flow and perfusion noninvasively is crucial for evaluating healing after trauma and identifying risks like avascular necrosis.
- Disturbed bone perfusion is implicated in various bone diseases, including osteoporosis, osteoarthritis, and bone neoplasms.
- Bone perfusion is causally linked to bone remodeling, essential for healing and regrowth after injury.
Purpose of the Study:
- To evaluate the utility of noninvasive imaging techniques for assessing bone blood flow, perfusion, and remodeling.
- To explore the application of dynamic contrast-enhanced MRI and (18)F-Fluoride PET in models of bone injury and disease.
Main Methods:
- Dynamic contrast-enhanced MRI with small and macromolecular contrast media was used to measure bone perfusion and permeability.
- (18)F-Fluoride positron emission tomography was employed to estimate bone blood flow and remodeling in fracture healing and osteoarthritis models.
Main Results:
- Noninvasive imaging techniques can provide serial measurements of bone blood flow and perfusion.
- These methods allow for the assessment of bone remodeling in conjunction with perfusion.
- The study demonstrated the feasibility of using multimodality imaging for bone assessment.
Conclusions:
- Multimodality assessment using noninvasive imaging techniques offers essential information for monitoring healing and treatment response.
- These techniques can help identify patients who may benefit from additional therapeutic or surgical interventions.
- Noninvasive serial assessment of bone perfusion and remodeling holds significant clinical potential.
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