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目的探讨溃疡性结肠炎（ｕｌｃｅｒａｔｉｖｅｃｏｌｉｔｉｓ，ＵＣ）时血清中钙磷镁、骨矿物质含量（ｂｏｎｅｍｉｎｅｒａｌｃｏｎｔｅｎｔ，ＢＭＣ）及骨密度（ｂｏｎｅｍｉｎｅｒａｌｄｅｎｓｔｉｙ，ＢＭＤ）的变化．方法用单光子扫描术对５７例ＵＣ患者进行ＢＭＣ，ＢＭＤ测定，并对ＢＭＤ改变及其与血钙磷镁的关系进行分析．结果重症ＵＣ患者（１０／５７）或／和病变累及广泛结肠时，ＢＭＤ减低，尤在老年前期此种改变更明显（Ｐ＜００１），同时伴有血钙磷镁及白蛋白减低．结论ＵＣ随病情进展可逐渐导致ＢＭＤ减低而发生骨质疏松，与营养物质代谢失衡、年龄、手术及治疗用药等有关．
Objective To investigate the changes of serum calcium and phosphorus, bone mineral content (BMC) and bone mineralderaldenstiy (BMD) in patients with ulcerative colitis (UC). Methods BMC and BMD were measured by single photon scanning in 57 UC patients. The changes of BMD and the relationship with BMD were analyzed. Results In critically ill UC patients (10/57) and / or lesions involving extensive colon, the BMD was decreased. This change was more pronounced especially in pre-senile patients (P <001), accompanied by a decrease in serum levels of serum calcium-phosphorous and albumin. Conclusions With the progression of the disease, UC may gradually lead to the reduction of BMD and osteoporosis, which is related to the imbalance of nutrients and metabolism, age, operation and treatment medication.