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目的 探讨老年呼吸道感染患者肌酸激酶 (CK)升高的原因。方法 通过测定 18例老年呼吸道感染患者的肌酸激酶及其同工酶 ,观察酶学消长及心电图 (ECG)改变。结果 因发热入院的 18例老年呼吸道感染患者 ,CK升高至 16 6 .7～ 1932 .1IU/L ,其中 14例肌酸激酶 同工酶 (CK MB)高于正常值 :18～ 177IU/L。 11例胸片证实为肺炎 ,6例为上呼吸道感染 ,1例为过敏性支气管肺曲霉菌病 ;ECG无心肌梗死改变 ,临床无心绞痛症状。 18例CK和CK MB均随体温下降在 3～ 4d天内恢复至正常范围 ,个别可延至 1周。结论 呼吸道感染可致CK或CK MB增高。
Objective To investigate the causes of elevated creatine kinase (CK) in elderly patients with respiratory tract infection. Methods The creatine kinase and its isoenzymes were determined in 18 elderly patients with respiratory tract infection. The changes of enzymology and electrocardiogram (ECG) were observed. Results In 18 elderly patients with respiratory tract infection admitted to hospital for fever, CK increased to 16.6-7.732.1 IU / L, including 14 cases of creatine kinase CK (CK MB) higher than the normal value: 18 ~ 177IU / L . 11 cases of chest X-ray confirmed as pneumonia, 6 cases of upper respiratory tract infection, 1 case of allergic bronchopulmonary aspergillosis; ECG changes without myocardial infarction, no clinical symptoms of angina. 18 cases of CK and CK MB decreased with body temperature within 3 ~ 4d days returned to normal range, some can be extended to 1 week. Conclusion Respiratory infection can cause CK or CK MB increased.