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인공호흡기연관 폐렴의 경험적 항생제 선택 시 이전 호흡기검체의 유용성

Role of Microbiologic Culture Results of Specimens Prior to Onset of Ventilator-Associated Pneumonia in the Patients Admitted to Intensive Care Unit

  • 김지혜 (건양대학교 의과대학 내과학교실) ;
  • 윤성철 (건양대학교 의과대학 내과학교실) ;
  • 이유미 (건양대학교 의과대학 내과학교실) ;
  • 손지웅 (건양대학교 의과대학 내과학교실) ;
  • 최유진 (건양대학교 의과대학 내과학교실) ;
  • 나문준 (건양대학교 의과대학 내과학교실) ;
  • 권선중 (건양대학교 의과대학 내과학교실)
  • Kim, Ji-Hye (Department of Internal Medicine, Konyang University College of Medicine) ;
  • Yoon, Sung-Chul (Department of Internal Medicine, Konyang University College of Medicine) ;
  • Lee, Yu-Mi (Department of Internal Medicine, Konyang University College of Medicine) ;
  • Son, Ji-Woong (Department of Internal Medicine, Konyang University College of Medicine) ;
  • Choi, Eu-Gene (Department of Internal Medicine, Konyang University College of Medicine) ;
  • Na, Moon-Jun (Department of Internal Medicine, Konyang University College of Medicine) ;
  • Kwon, Sun-Jung (Department of Internal Medicine, Konyang University College of Medicine)
  • 투고 : 2011.08.22
  • 심사 : 2011.11.18
  • 발행 : 2012.01.30

초록

Background: Patients with ventilator-associated pneumonia (VAP) in intensive care unit (ICU) have a high mortality rate. The routine surveillance cultures obtained previously or an ATS guideline for hospital-acquired pneumonia was used in selecting initial antimicrobials. The object of this study was to compare the respiratory samples before VAP and bronchoalveolar lavage (BAL) culture. Methods: 54 patients underwent fiberoptic bronchoscopy to obtain BAL samples. We reviewed microbiologic specimen results of prior respiratory specimens (pre-VAP) and BAL. Results: Among 51 patients with 54 VAP episodes, 52 microorganisms of pre-VAP and 56 BAL samples were isolated. Pre-VAP included 21.2% of MRSA, and 32.6% of multidrug resistant-Acinetobacter baumannii (MDR-AB). BAL samples comprised 25.0% of MRSA, 26.7% of MDR-AB, 14.3% of Stenotrophomonas maltophilia and 3.6% of Klebsiella pneumonia in order. In pre-VAP samples compared to BAL samples, only 35.2% were identical. In BAL samples compared to pre-VAP samples obtained in 5 days before the onset of VAP, only 43.6% were identical. However, among BAL samples compared to pre-VAP samples obtained after more than 5 days, 13.3% were identical (p=0.037). Conclusion: Based on these data, pre-VAP samples obtained prior to 5 day onset of VAP may help to predict the causative microorganisms and to select appropriate initial antimicrobials.

키워드

참고문헌

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