Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae · 2006
[Effect of hypokalemia on glucose metabolism in primary hyperaldosteronism].
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Zhang Jing, Zeng Zheng-pei, Zhou Ya-ru, Tong An-li, Lu Lin, Song Ai-ling, Yan Zhao-li, Chen Shi, Liang Wei, Li Yu-xiu, Qin Shu-wen
Аннотация
OBJECTIVE: To investigate the effect of potassium deficiency on glucose and insulin metabolism in primary hyperaldosteronism, including aldosterone-producing adenoma (APA) and idiopathic hyperaldosteronism (IHA).
METHODS: Totally 178 patients who were diagnosed as primary hyperaldosteronism (103 patients with APA and 75 with IHA) were divided into hypokalemia group and normal potassium group according to their serum potassium levels. All patients received 3 hours of oral glucose tolerance test and aldosterone test to observe the relationship among glucose, insulin and serum potassium.
RESULTS: Area under curve of serum potassium, area under curve of plasma insulin, and fasting serum insulin were significantly lower in the hypokalemia group than in the normal potassium group (P <0. 05, P <0. 01); area under curve of glucose and aldosterone level were significantly higher in the hypokalemia group than in the normal potassium group ( P < 0. 05 ) . The prevalence of metabolic syndrome was significantly higher in IHA than in APA (57. 3% vs 38. 8% ; P < 0. 05).
CONCLUSION: Hypokalemia may play an important role in inhibiting insulin secretion in primary hyperaldosteronism.
METHODS: Totally 178 patients who were diagnosed as primary hyperaldosteronism (103 patients with APA and 75 with IHA) were divided into hypokalemia group and normal potassium group according to their serum potassium levels. All patients received 3 hours of oral glucose tolerance test and aldosterone test to observe the relationship among glucose, insulin and serum potassium.
RESULTS: Area under curve of serum potassium, area under curve of plasma insulin, and fasting serum insulin were significantly lower in the hypokalemia group than in the normal potassium group (P <0. 05, P <0. 01); area under curve of glucose and aldosterone level were significantly higher in the hypokalemia group than in the normal potassium group ( P < 0. 05 ) . The prevalence of metabolic syndrome was significantly higher in IHA than in APA (57. 3% vs 38. 8% ; P < 0. 05).
CONCLUSION: Hypokalemia may play an important role in inhibiting insulin secretion in primary hyperaldosteronism.