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Multicenter cross-sectional observational study of antibiotic resistance and the genotypes of Propionibacterium acnes isolated from Chinese patients with acne vulgaris

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机构: [1]Department of Dermatology and Venereology, Southwest Hospital Affiliated to The Third Military Medical University, Chongqing [2]Department of Dermatology, The First Hospital of Wuhan, Tongji Medical College, Wuhan [3]Department of Dermatology and Venereology, The Second People’s Hospital of Chengdu, Chengdu [4]Department of Dermatology and Venereology, The First Hospital Affiliated to The Kunming Medical University, Kunming [5]Department of Dermatology and Venereology, Xijing Hospital Affiliated toThe Fourth Military Medical University, Xi’an, China [6]Department of Dermatology and Allergy, Technische Universit€at M€unchen,Munich, Germany
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关键词: acne vulgaris antibiotic resistance China genotype Propionibacterium acnes

摘要:
Antibiotics are widely applied in management of acne vulgaris, which raises the issue of antibiotic resistance. Due to improper application and supervision of antibiotics, antibiotic resistance has become a serious problem in China. So, the efficacy of antimicrobial therapy in acne is unclear without an objective monitor of antibiotic resistance of Propionibacterium acnes. This cross-sectional, multicenter observational study is aimed at understanding the status of antibiotic resistance in P. acnes, investigating the measures of acne management in China and analyzing the genotypes of antibiotic-resistant strains of P. acnes. Altogether, 312 strains of P. acnes were collected from patients in five medical centers across central China after reviewing the corresponding medical history in detail. The samples underwent antibiotic susceptibility assays by agar dilution method with a total of 11 classes of antibiotics being tested. The antibiotic-resistant strains were screened and further analyzed by investigation of the genotypes regarding 23S rRNA, 16S rRNA and erm(X). The predominant resistance occurred in macrolides and lincomycin with an overall resistance rate of 47.8%. The resistance to tetracyclines was scarce with only two cases identified. The emergence of minimum inhibitory concentration elevation for tetracyclines is associated with its application history (P < 0.005). The genotypes of the reported macrolide-lincosamide-streptogramin B resistance strains were also spotted in Chinese subjects while other resistance determinants may also exist. The tetracyclines have been proved to be vastly susceptible while macrolides and lincomycin face a serious resistance status in China.

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出版当年[2017]版:
大类 | 4 区 医学
小类 | 3 区 皮肤病学
最新[2023]版:
大类 | 3 区 医学
小类 | 3 区 皮肤病学
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出版当年[2016]版:
Q2 DERMATOLOGY
最新[2023]版:
Q2 DERMATOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2016版] 出版当年五年平均 出版前一年[2015版] 出版后一年[2017版]

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第一作者机构: [1]Department of Dermatology and Venereology, Southwest Hospital Affiliated to The Third Military Medical University, Chongqing
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通讯机构: [*1]Department of Dermatology and Venereology, Southwest Hospital Affiliated to The Third Military Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing 400038, China
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