低钠血症是指由某些因素引起血清钠<130mEq/L者,是新生儿期常见的电解质紊乱之一。引起低钠血症的原因有多种,而临床表现又颇似颅内出血或感染,易被忽略。病情发展可出现颅内高压、脑水肿、抽搐、昏迷,甚至脑疝形成而致死亡。本文对我科住院新生儿中30例低钠血症者进行临床分析,以了解其发病有关因素,为临床及时诊断治疗和预防提供参考。临床资料我科1987年1月～1988年2月共收住新生儿662例,对其中68例估计可能发生代谢 Hyponatremia refers to the serum sodium <130mEq / L caused by certain factors, is one of the common electrolyte disorders in the neonatal period. Hyponatremia causes a variety of reasons, and clinical manifestations are quite similar to intracranial hemorrhage or infection, easily overlooked. Development of the disease can occur intracranial hypertension, cerebral edema, convulsions, coma, and even the formation of herniation and death. In this paper, we inpatient neonates in 30 cases of hyponatremia were analyzed in order to understand the pathogenesis of relevant factors, for clinical diagnosis and treatment and prevention provide a reference. Clinical data Our department from January 1987 to February 1988 a total of 662 newborns were admitted, of which 68 cases of estimated metabolism may occur