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Bone densitometry: patients with end-stage renal disease
1Public Health Service, Agency for Health Care Policy and Research, Rockville, MD 20852, USA.
Health Technology Assessment
|March 1, 1996
Summary
Bone densitometry measures bone density to assess osteoporosis and fracture risk, particularly in end-stage renal disease (ESRD) patients. This report details technical aspects and clinical utility for managing bone loss in ESRD.
Area of Science:
- Medical imaging
- Bone metabolism
- Nephrology
Background:
- Osteoporosis and bone mass loss are linked to conditions like end-stage renal disease (ESRD) and steroid therapy.
- Bone densitometry is crucial for assessing osteoporosis severity and fracture risk.
- ESRD affects a significant population, with renal osteodystrophy posing major long-term complications.
Purpose of the Study:
- To review technical considerations of bone densitometers, including radiation dose, site selection, accuracy, precision, cost, and charges.
- To evaluate the clinical utility of bone densitometry in managing patients with ESRD.
- To assess the type and extent of bone loss in ESRD patients and their associated fracture risk.
Main Methods:
- Review of bone densitometry techniques: single-photon absorptiometry (SPA), dual-photon (DPA), dual-energy x-ray absorptiometry (DXA), quantitative computed tomography (QCT), and radiographic absorptiometry (RA).
- Analysis of technical factors: radiation dose, site selection, accuracy, precision, cost, and charges.
- Clinical utility assessment focused on ESRD patients and their bone health.
Main Results:
- Bone densitometry techniques provide quantitative measurements of bone mass across the skeleton.
- ESRD is associated with specific patterns of bone loss and potentially increased fracture risk.
- Technical considerations are vital for accurate and reliable bone density measurements.
Conclusions:
- Bone densitometry is a key tool for diagnosing and monitoring osteoporosis and managing bone health in conditions like ESRD.
- Understanding the technical aspects of bone densitometry ensures optimal clinical application.
- Further evaluation of bone densitometry's role in specific patient populations, including ESRD, is warranted.
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