Affiliation:
1. Department of Nephrology, Clinical Center Skopje, University of Skopje - Macedonia
Abstract
When renal disease develops, mineral and vitamin D homeostasis is disrupted, resulting in diverse modifications in bone cells, bone structure and the rate of bone turnover. In end stage renal failure (ESRF) when patients require chronic maintenance dialysis, nearly all of them have abnormal bone histology known as renal osteodystrophy (ROD). Moreover, survival rates of patients on dialysis have increased because of therapeutic improvement and the resultant increase in duration of dialysis has led to a further rise in renal osteodystrophy. Because metabolic bone disease can produce fractures, bone pain, and deformities late in the course of the disease, prevention and early treatment are essential. Serum PTH and various bone markers are commonly used to assess bone changes in ESRF patients, but the diagnosis of underlying bone disease is still rather uncertain. To date, bone biopsy is the most powerful and informative diagnostic tool to provide precise information on the type and severity of renal osteodystrophy, and on the presence and amount of aluminum and strontium deposited in the bone. Bone biopsy is not only useful in clinical settings but also in research to assess the effects of therapies on bone. Although considered an invasive procedure, bone biopsy has been proven to be safe and free from major complications, but the operator's experience and skill is important in further minimizing morbidity. Alternatives to bone biopsy continue to be sought, but the non-invasive bone markers have not been proven to be sufficient in diagnostic performance related to bone turnover, mineralization process and bone cell abnormality. Hence, transiliac bone biopsy remains the gold standard for the diagnosis of renal osteodystrophy.
Subject
Biomedical Engineering,Biomaterials,General Medicine,Medicine (miscellaneous),Bioengineering
Cited by
20 articles.
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