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为重视小儿伤寒并发症的发生，从而达到早期预防目的，本文总结分析了４２例小儿伤寒并发症的临床特征，其结果为：１热型多为驰张热和稽留热，高热占８９２０％；２病程长，中毒症状重；３多有消化道和呼吸道等症状；４肠外并发症多，多器官损害常见，其中２个以上器官损害占５７１％，以心、肝、肾损害多见；５并发症多发生于病程的第２～３周，而并发症的典型症状与体征不全或缺如，往往被高热、消化道症状、中毒症状所掩盖，而忽视并发症的存在，并发症多随伤寒的恢复而恢复，无后遗症；６在病程的极期，血清乳酸脱氢酶（ＬＤＨ）和α羟丁酸脱氢酶（ＨＢＤ）的活性显著升高，随着伤寒和并发症的恢复而降低或正常，上述酶的活性对伤寒及其并发症的预后判断有重要参考价值。
To pay attention to the occurrence of typhoid fever in children, so as to achieve the purpose of early prevention, this paper summarizes the clinical features of 42 cases of typhoid fever in children. The results are as follows: 1. 20%; 2 long course of the disease, severe symptoms of poisoning; 3 more gastrointestinal and respiratory symptoms; 4 more parenteral complications, multiple organ damage common, of which more than two organs accounted for 57 1% , Liver and kidney damage more common; 5 complications occurred in the course of the first 2 to 3 weeks, and complications of typical symptoms and signs of incomplete or absent, often hyperthermia, gastrointestinal symptoms, poisoning symptoms covered, and Neglect the existence of complications, complications and more with the recovery of typhoid fever recovery, no sequelae; 6 in the extreme stages of the disease, serum lactate dehydrogenase (LDH) and α-hydroxybutyrate dehydrogenase (HBD) activity was significantly increased High, with the recovery of typhoid and complications reduced or normal, the enzyme activity of typhoid and its prognosis of complications have important reference value.