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目的研究口腔正畸治疗感染患者病原菌的分布及其耐药性,控制口腔正畸治疗感染的发生。方法选取2011年1月-2013年6月医院口腔正畸治疗765例,对其发生感染患者分离培养出的病原菌,采用K-B琼脂法进行药敏试验。结果经口腔正畸治疗后发生感染的患者共85例,感染率为11.11%;分离出病原菌91株,感染部位呼吸道25株占27.47%,泌尿道19株占20.88%,胃肠道14株占15.38%,皮肤11株占12.09%,血液7株占7.69%,其他15株占16.48%;分离出革兰阳性菌38株占41.76%,革兰阴性菌53株占58.24%;革兰阳性菌对乙酰唑胺和利奈唑胺无耐药,革兰阴性菌对美罗培南和亚胺培南无耐药。结论口腔正畸治疗感染的发生率高,且多为耐药菌感染,临床应采取相应措施控制口腔正畸治疗感染的发生,对分离培养病原菌并进行药敏试验,选择耐药率低的抗菌药进行及时的治疗。
Objective To study the distribution and drug resistance of pathogens in patients with orthodontic infection and to control the incidence of orthodontic infection. Methods From January 2011 to June 2013, 765 cases of hospital orthodontic treatment were selected. Pathogenic bacteria isolated from infected patients were selected for antibiotic susceptibility test by K-B agar method. Results A total of 85 cases of infections occurred after oral orthodontic treatment, with an infection rate of 11.11%. 91 pathogens were isolated, of which 25 were respiratory tract infection, 27.47% were urinary tract infections, 19 were urinary tract infections, 20 were accounted for 20.88%, 14 were gastrointestinal diseases 15 strains accounted for 12.09%, 7 strains accounted for 7.69%, and 15 others accounted for 16.48%. Isolates of Gram-positive bacteria accounted for 41.76%, Gram-negative bacteria accounted for 58.24%, Gram-positive bacteria No resistance to acetazolamide and linezolid, gram-negative bacteria resistant to meropenem and imipenem. Conclusion The incidence of orthodontic infection is high, and most of them are resistant to drug-resistant bacteria. Clinically, appropriate measures should be taken to control the occurrence of oral orthodontic infection. The pathogens isolated and cultured are susceptible to antibiotics and antibiotics Medicine for timely treatment.