Higher nasal carriage rate of methicillin-resistant Staphylococcus aureus among dental students who have clinical experience

被引:14
|
作者
Baek, Yoo Sang [1 ,2 ]
Baek, Seung-Ho [3 ]
Yoo, Yeon-Jee [4 ,5 ]
机构
[1] Armed Forces Seoul Hosp, Dept Dermatol, Seoul, South Korea
[2] Korea Univ, Coll Med, Seoul 136705, South Korea
[3] Seoul Natl Univ, Sch Dent, Dent Hosp, Dept Conservat Dent,Dent Res Inst, Seoul, South Korea
[4] Seoul Natl Univ, Sch Dent, Dent Res Inst, Dept Conservat Dent, Seoul, South Korea
[5] Seoul Natl Univ, Dent Hosp, Dept Comprehens Treatment Ctr, 101 Daehak Ro, Seoul 03080, South Korea
来源
JOURNAL OF THE AMERICAN DENTAL ASSOCIATION | 2016年 / 147卷 / 05期
关键词
Methicillin-resistant Staphylococcus aureus; MRSA; dental student; nasal carriage; colonization; HEALTH-CARE SETTINGS; UNITED-STATES; COLONIZATION; TRANSMISSION; INFECTIONS; COMMUNITY; SURFACES; EPIDEMIOLOGY; PRECAUTIONS; PREVALENCE;
D O I
10.1016/j.adaj.2015.12.004
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Background. Methicillin-resistant Staphylococcus aureus (MRSA) has been isolated from dental clinical surfaces, dental patients, and dental health care professionals. The authors conducted a study to determine the prevalence rate of nasal MRSA colonization among dental school students and to identify the characteristics of the isolated strains. Methods. The authors collected nasal samples from 159 dental students. The authors performed mecA gene detection, staphylococcal cassette chromosome mec (SCCmec) typing, and antimicrobial susceptibility tests on each sample. The authors compared the results of 2 groups (students who had clinical experience and students who did not have clinical experience). Results. Five (3.1%) dental students had MRSA colonization, as confirmed by the presence of the mecA gene in the nasal cavity. Prior clinical experience was associated significantly with nasal MRSA carriage (P <.05). Four of the strains were SCCmec type IV, and 1 strain was SCCmec type I. All isolates were resistant to amoxicillin and clavulanic acid, imipenem, and oxacillin, but were susceptible to several antimicrobial agents including mupirocin, trimethoprim and sulfamethoxazole, and rifampin. The nasal MRSA colonization was eradicated with the use of mupirocin ointment. Conclusions. Nasal MRSA colonization occurs in some dental students, especially those who have clinical experience. Practical Implications. Education about MRSA colonization and transmission, as well as infection prevention and control measures is necessary for dental students, especially when they participate in clinical practice.
引用
收藏
页码:348 / 353
页数:6
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