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Causative agent distribution and antibiotic therapy assessment among adult patients with community acquired pneumonia in Chinese urban population
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  • 作者:Youning Liu (1)
    Minjun Chen (2)
    Tiemei Zhao (1)
    Hui Wang (2)
    Rui Wang (3)
    Baiqiang Cai (4)
    Bin Cao (4)
    Tieying Sun (5)
    Yunjian Hu (6)
    Qingyu Xiu (7)
    Xin Zhou (8)
    Xing Ding (8)
    Lan Yang (9)
    Jiansheng Zhuo (9)
    Yingchun Tang (10)
    Kouxing Zhang (10)
    Derong Liang (11)
    Xiaoju Lv (11)
    Shengqi Li (12)
    Yong Liu (13)
    Yunsong Yu (14)
    Zeqing Wei (14)
    Kejing Ying (15)
    Feng Zhao (15)
    Ping Chen (16)
    Xiaona Hou (17)
  • 刊名:BMC Infectious Diseases
  • 出版年:2009
  • 出版时间:December 2009
  • 年:2009
  • 卷:9
  • 期:1
  • 全文大小:541KB
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    40. The pre-publication history for this paper can be accessed here:http://www.biomedcentral.com/1471-2334/9/31/prepub
  • 作者单位:Youning Liu (1)
    Minjun Chen (2)
    Tiemei Zhao (1)
    Hui Wang (2)
    Rui Wang (3)
    Baiqiang Cai (4)
    Bin Cao (4)
    Tieying Sun (5)
    Yunjian Hu (6)
    Qingyu Xiu (7)
    Xin Zhou (8)
    Xing Ding (8)
    Lan Yang (9)
    Jiansheng Zhuo (9)
    Yingchun Tang (10)
    Kouxing Zhang (10)
    Derong Liang (11)
    Xiaoju Lv (11)
    Shengqi Li (12)
    Yong Liu (13)
    Yunsong Yu (14)
    Zeqing Wei (14)
    Kejing Ying (15)
    Feng Zhao (15)
    Ping Chen (16)
    Xiaona Hou (17)

    1. Department of Respiratory Diseases, Chinese PLA General Hospital, Beijing, PR China
    2. Department of Clinical Laboratory, Beijing Union Medical College Hospital, Beijing, PR China
    3. Clinical Pharmacological Laboratory, Chinese PLA General Hospital, Beijing, PR China
    4. Department of Respiratory Diseases, Beijing Union Medical College Hospital, Beijing, PR China
    5. Department of Respiratory Diseases, Beijing Hospital, Beijing, PR China
    6. Department of Clinical Laboratory, Beijing Hospital, Beijing, PR China
    7. Department of Respiratory Diseases, Changzheng Hospital, Second Military Medical College, Shanghai, PR China
    8. Department of Respiratory Diseases, First People's Hospital of Shanghai, Shanghai, PR China
    9. Department of Respiratory Diseases, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, PR China
    10. Department of Respiratory Diseases, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, PR China
    11. Clinical Pharmacological Institutes, West China Hospital of Sichuan University, Sichuan, PR China
    12. Department of Respiratory Diseases, Second Affiliated University of China Medical University, Shenyang, PR China
    13. Department of Clinical Laboratory, Second Affiliated University of China Medical University, Shenyang, PR China
    14. Department of Infectious Diseases, First Affiliated Hospital of Zhejiang University, Zhejiang, PR China
    15. Department of Respiratory Diseases, Sir Run Run Shaw Hospital, Zhejiang, PR China
    16. Department of Respiratory Diseases, General Hospital of Shenyang Military Region, Shenyang, PR China
    17. Department of Clinical Laboratory, General Hospital of Shenyang Military Region, Shenyang, PR China
文摘
Background Knowledge of predominant microbial patterns in community-acquired pneumonia (CAP) constitutes the basis for initial decisions about empirical antimicrobial treatment, so a prospective study was performed during 2003-004 among CAP of adult Chinese urban populations. Methods Qualified patients were enrolled and screened for bacterial, atypical, and viral pathogens by sputum and/or blood culturing, and by antibody seroconversion test. Antibiotic treatment and patient outcome were also assessed. Results Non-viral pathogens were found in 324/610 (53.1%) patients among whom M. pneumoniae was the most prevalent (126/610, 20.7%). Atypical pathogens were identified in 62/195 (31.8%) patients carrying bacterial pathogens. Respiratory viruses were identified in 35 (19%) of 184 randomly selected patients with adenovirus being the most common (16/184, 8.7%). The nonsusceptibility of S. pneumoniae to penicillin and azithromycin was 22.2% (Resistance (R): 3.2%, Intermediate (I): 19.0%) and 79.4% (R: 79.4%, I: 0%), respectively. Of patients (312) from whom causative pathogens were identified and antibiotic treatments were recorded, clinical cure rate with β-lactam antibiotics alone and with combination of a β-lactam plus a macrolide or with fluoroquinolones was 63.7% (79/124) and 67%(126/188), respectively. For patients having mixed M. pneumoniae and/or C. pneumoniae infections, a better cure rate was observed with regimens that are active against atypical pathogens (e.g. a β-lactam plus a macrolide, or a fluoroquinolone) than with β-lactam alone (75.8% vs. 42.9%, p = 0.045). Conclusion In Chinese adult CAP patients, M. pneumoniae was the most prevalent with mixed infections containing atypical pathogens being frequently observed. With S. pneumoniae, the prevalence of macrolide resistance was high and penicillin resistance low compared with data reported in other regions.

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