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目的探讨低钠血症对慢性充血性心力衰竭的影响。方法选择慢性充血性心力衰竭124例,其中并发低钠血症者(低钠组)64例,正常血钠者(对照组)60例,比较两组心衰级别与血钠浓度的关系,同时比较病死率。结果慢性充血性心力衰竭低钠血症组中重度心衰组与中度心衰组比较,血钠浓度更低(P<0.01);低钠组比正常血钠组有更高的病死率(P<0.01)。结论慢性充血性心力衰竭级别越高,血钠浓度越低,其病死率越高;低钠血症与病死率有明显相关性。
Objective To investigate the effect of hyponatremia on chronic congestive heart failure. Methods 124 patients with chronic congestive heart failure, including 64 cases of hyponatremia (hyponatremia group) and 60 cases of normal hyponatremia (control group), the relationship between the level of heart failure and serum sodium concentration was compared Compare case fatality rate. Results Compared with the moderate heart failure group, the serum sodium level was lower in the CHF patients with hyponatremia group (P <0.01); the mortality rate in the hyponatremia group was higher than that in the normal sodium group P <0.01). Conclusion The higher the level of chronic congestive heart failure, the lower the serum sodium concentration, the higher the mortality rate; hyponatremia and mortality were significantly correlated.