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25例老年胰岛素非依赖型糖尿病人血磷为0.79±0.12毫摩/升,显著低于正常值及非老年糖尿病组(P<0.01)。血钙为2.5±0.20毫摩/升,与正常参考值及非老年组无差异(P>0.05)。尿离子钙为21.41±12.15毫摩/24小时,比正常值有明显升高,但比非老年组低(P均<0.01)。尿总钙为41.27±19.06毫摩/24小时与正常值及非老年组均无差异(P>0.05)。本组病人的空腹血糖比非老年组低,尿糖排量也比较少,病情轻,病期长,低血磷较严重。骨钙磷负平衡的主要原因是长期反复丢失尿离子钙的结果。尿离子钙的测定是观察骨钙磷负平衡和糖尿病骨质疏松较灵敏的指标。
25 cases of elderly insulin-independent diabetes patients with phosphorus 0.79 ± 0.12 mmol / L, significantly lower than the normal and non-elderly diabetic group (P <0.01). The level of serum calcium was 2.5 ± 0.20 mmol / L, which was not different from the normal reference group and non-elderly group (P> 0.05). Urinary calcium was 21.41 ± 12.15 mmol / 24 hours, significantly higher than the normal value, but lower than non-elderly group (P all <0.01). Total urinary calcium was 41.27 ± 19.06 mmol / 24 hours and normal and non-elderly groups were no difference (P> 0.05). The group of patients with lower fasting blood glucose than non-elderly group, urinary output is less, mild, long duration, hypophosphatemia more serious. The main reason for the negative balance of calcium and phosphorus is the long-term repeated loss of urine calcium results. Determination of urinary calcium is to observe the negative balance of calcium and phosphorus and diabetes more sensitive indicators of osteoporosis.