MEASUREMENT OF CALCIUM-PHOSPHATE CRYSTALLURIA - INFLUENCE OF PH AND OSMOLALITY AND INVARIABLE PRESENCE OF OXALATE
MEASUREMENT OF CALCIUM-PHOSPHATE CRYSTALLURIA - INFLUENCE OF PH AND OSMOLALITY AND INVARIABLE PRESENCE OF OXALATE
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DOI：
10.1111/j.1464-410x.1989.tb05276.x
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发表时间：
1989-11-01
期刊：
影响因子：
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通讯作者：
ROSE, GA
中科院分区：
文献类型：
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作者：
HALLSON, PC;ROSE, GA
测定了正常人和结石形成者尿中磷酸钙和草酸钙的结晶浓度。对尿液晶体进行光镜检查，并对尿样进行草酸、pH和渗透压分析。磷酸钙晶体浓度与尿液pH明显相关，但与尿液渗透压无关。一个意想不到的发现是草酸和磷酸钙的共沉淀。因此，沉淀的恒定草酸随尿液pH升高而增加。讨论了可能的解释和影响。
Calcium phosphate and calcium oxalate urinary crystal concentrations in normal and stone-forming subjects were measured. The urinary crystals were examined by light microscopy and urine samples were analysed for oxalate, pH and osmolality. Calcium phosphate crystal concentrations were clearly related to urine pH but unrelated to urine osmolality. An unexpected finding was co-precipitation of oxalate with calcium phosphate. Consequently precipitated invariable oxalate increased with rising urinary pH. Possible explanations and implications are discussed.