Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Krachler, M; Domej, W.
Clinical laboratory parameters in osteoarthritic knee-joint effusions correlated to trace element concentrations.
Biol Trace Elem Res. 2001; 79(2):139-148
Doi: 10.1385/BTER:79:2:139
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PubMed
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- Co-Autor*innen der Med Uni Graz
- Domej Wolfgang
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- Abstract:
- Interactions of clinical laboratory parameters with trace elements in knee-joint effusions might turn out to be potential diagnostic tool, increasing our pathophysiological understanding and knowledge on knee-joint effusions. Thus, the 11 clinical laboratory parameters, total protein, albumin, glucose, lactate dehydrogenase, uric acid, pH, rheumatoid factor, antistreptolysin, C-reactive protein, leukocyte, and erythrocyte counts were determined in 39 osteoarthritic knee-joint effusions and in corresponding sera. Additionally, concentrations of the 17 trace elements barium, beryllium, calcium, cadmium, cesium, copper, lanthanum, lithium, magnesium, molybdenum, lead, rubidium, antimony, tin, strontium, thallium, and zinc in both effusions and corresponding sera were quantified by inductively coupled plasma-mass spectrometry. Concentrations of most laboratory parameters in synovial fluid were within the normal ranges for serum. However, concentrations of total protein and albumin in effusions were distinctly lower than in sera of healthy adults. Results for rheumatoid factor, antistreptolysin, and C-reactive protein in the effusions were below their corresponding threshold values for serum. An indicator for inflammation, the leukocyte count had a median < 6.3 G/L. The erythrocyte count (median: < 0.06 T/L) revealed a very low presence of red blood cells in the effusions. Total protein concentrations and lactate dehydrogenase activity in the effusions correlated positively with effusion copper (r = 0.61 and 0.66) and effusion zinc (r = 0.71 and 0.49). For cesium, a negative correlation in both sera (r = -0.44) and effusions (r = -0.44) with LDH activity could be established. Concentrations of rubidium, strontium, and cesium responded to albumin concentrations in sera and in effusions, establishing an inverse correlation. All other trace elements showed no or only weak associations with the clinical laboratory parameters determined. Although distinct relationships between trace element concentrations and clinical laboratory parameters in knee-joint effusions exist, the clinical relevance of these findings needs to be further elucidated.
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Aged -
- Aged, 80 and over -
- Albumins - metabolism
- Chemistry, Clinical - methods
- Female - methods
- Humans - methods
- Hydrogen-Ion Concentration - methods
- Joints - metabolism
- Knee - metabolism
- L-Lactate Dehydrogenase - metabolism
- Male - metabolism
- Middle Aged - metabolism
- Osteoarthritis - blood
- Trace Elements - analysis
- Zinc - analysis
- Find related publications in this database (Keywords)
- clinical laboratory parameters
- trace elements
- synovial fluid
- knee-joint effusions
- serum
- osteoarthritis
- chronic knee synovitis