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[The relationship between bone mineral density and secondary hyperparathyroidism bone disease]
1Department of Nephrology, Xianya Hospital, Hunan Medical University, Changsha 410008.
Hunan Yi Ke Da Xue Xue Bao = Hunan Yike Daxue Xuebao = Bulletin of Hunan Medical University
|September 6, 2002
Summary
Bone mineral density (BMD) is lower in hemodialysis patients and decreases with dialysis duration. BMD measurement aids in detecting hyperparathyroid bone disease in these patients.
Area of Science:
- Nephrology
- Endocrinology
- Radiology
Context:
- Hemodialysis (HD) patients often experience bone complications.
- Assessing bone mineral density (BMD) is crucial for managing these patients.
Purpose:
- To evaluate the utility of BMD measurements in detecting hyperparathyroid bone disease in hemodialysis patients.
- To establish diagnostic criteria for hyperparathyroid bone disease using Z scores.
Summary:
- Dual-energy X-ray absorptiometry (DEXA) measured BMD and Z scores in 185 HD patients.
- BMD was significantly lower in HD patients, decreasing with dialysis duration and correlating negatively with parathyroid hormone (PTH), alkaline phosphatase (ALP), and subperiosteal erosions.
- A Z score cutoff of -2.02 demonstrated 79.41% sensitivity and 78.15% specificity for diagnosing hyperparathyroid bone disease.
Impact:
- BMD measurement is a valuable tool for identifying hyperparathyroid bone disease in hemodialysis patients.
- Findings can inform clinical practice for monitoring and managing bone health in HD populations.
- Establishes a specific Z score threshold for improved diagnostic accuracy.