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目的 研究儿童意外损伤对心脏的危害。方法 将１６６ 例意外损伤患儿分为中毒组（４８例） ，烧烫伤组（５８ 例） ，气管异物组（６０ 例） ，设同龄对照组（５０ 例） 。用紫外法对各组患儿进行心肌酶谱测定并对各类损伤患儿做常规心电图检查和心电监护。结果 心肌酶谱异常７９ 例，阳性率４７－５９ ％ 。心电图异常６３ 例，阳性率３７－９５ ％ 。中毒组ＣＫ、ＣＫＭＢ、ＨＢＤ、ＬＤＨ 均明显升高，与对照组比较有明显差异Ｐ＜ ０－０１ 。烧烫伤组ＨＢＤ、ＬＤＨ 明显高于对照组，Ｐ＜ ０－０１ 。气管异物组各项心肌酶与对照组比较均无显著差异，Ｐ＜ ０－０５ 。结论 各类意外损伤对心脏的危害依次为中毒、烧烫伤、气管异物。ＣＫ、ＣＫＭＢ 升高为心肌损害主要指标。ＨＢＤ、ＬＤＨ 升高对心肌损害判断亦具特异性
Objective To study the harm to the heart caused by accidental injury in children. Methods 166 cases of accidental injury were divided into poisoning group (48 cases), burn group (58 cases), tracheal foreign body group (60 cases) and control group (50 cases). UV spectrophotometry for each group of children with myocardial enzyme-linked immunosorbent assay for various types of injury in children with conventional ECG and ECG monitoring. Results 79 cases of abnormal myocardial enzymes, the positive rate of 47-59%. 63 cases of abnormal ECG, the positive rate of 37-95%. The poisoning group CK, CK MB, HBD, LDH were significantly increased, compared with the control group there was a significant difference P <0-01. Burns group HBD, LDH was significantly higher than the control group, P <0-01. Tracheal foreign body group of myocardial enzymes compared with the control group no significant difference, P <0-05. Conclusion All kinds of accidental injuries to the heart in turn were toxic, burns and tracheal foreign bodies. CK, CK MB increased as the main indicators of myocardial damage. HBD, elevated LDH also determine the specificity of myocardial damage