The Central Venous Catheter-related Infection of Chlorhexidine-silver Sulfadiazine Coated Catheters in Medical ICU

내과계 중환자실 환자에서 Chlorhexidine-silver Sulfadiazine Coated Catheter의 중심정맥관 감염에 대한 연구

  • Jung, Young Ju (Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center) ;
  • Koh, Younsuck (Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center) ;
  • Lim, Chae-Man (Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center) ;
  • Lee, Jae Seung (Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center) ;
  • Yu, Mi Hyun (Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center) ;
  • Oh, Yeon Mok (Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center) ;
  • Shim, Tae Sun (Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center) ;
  • Lee, Sang Do (Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center) ;
  • Kim, Woo Sung (Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center) ;
  • Kim, Dong Soon (Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center) ;
  • Kim, Won Dong (Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center) ;
  • Hong, Sang-Bum (Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center)
  • 정영주 (울산대학교 의과대학 서울아산병원 호흡기내과) ;
  • 고윤석 (울산대학교 의과대학 서울아산병원 호흡기내과) ;
  • 임채만 (울산대학교 의과대학 서울아산병원 호흡기내과) ;
  • 이재승 (울산대학교 의과대학 서울아산병원 호흡기내과) ;
  • 유미현 (울산대학교 의과대학 서울아산병원 호흡기내과) ;
  • 오연목 (울산대학교 의과대학 서울아산병원 호흡기내과) ;
  • 심태선 (울산대학교 의과대학 서울아산병원 호흡기내과) ;
  • 이상도 (울산대학교 의과대학 서울아산병원 호흡기내과) ;
  • 김우성 (울산대학교 의과대학 서울아산병원 호흡기내과) ;
  • 김동순 (울산대학교 의과대학 서울아산병원 호흡기내과) ;
  • 김원동 (울산대학교 의과대학 서울아산병원 호흡기내과) ;
  • 홍상범 (울산대학교 의과대학 서울아산병원 호흡기내과)
  • Received : 2005.07.08
  • Accepted : 2005.09.06
  • Published : 2005.10.30

Abstract

Background : Central venous catheters(CVCs) area major source of nosocomial infection. Chlorhexidine-silver sulfadiazine coated catheters (CHSS) were developed to reduce the rate of CVC infection. However, the clinical effectiveness of CHSS in comparison wth non-coated catheter (NCC) remains to be evaluated. Methods : From January 2004 to December 2004 in medical intensive care unit (ICU) of Asan Medical Center, CVCs were inserted in 446 cases. We retrospectively analyzed characteristics of patients and catheterization,the catheter-related infection rate and colonization, microbiologic findings, and insertion sites (subclavian, jugular, femoral) according to the type of inserted CVCs (NCC: 187 cases, CHSS: 259 cases). Catheter related infection is defined as catheter related bacteremia and catheter related non-bacteremic sepsis. Results : 1) The mean age of the patients in each group was $62{\pm}16$ years, $63{\pm}15$ years (p=0.42), and sex ratio 94:50, 141:69 (p=0.9) in NCC and CHSS. Duration of ICU admission ($29{\pm}37$, $26{\pm}44$ p=0.42), duration of mechanical ventilation ($17{\pm}22$, $15{\pm}19$ p=0.17), and APACHE III score at the time of CVC insertion ($81{\pm}34$, $82{\pm}37$ p=0.61) were not different between both groups. 2) Mean duration of catheterization was 118 in NCC and 119 in CHSS (p=0.98). Number of catheter-days was 2176 days in NCC and 3035 days in CHSS. Catheter-related infection occurred in 9 (4.8%) cases receiving NCC and 4 cases (1.5%) receiving CHSS. Catheterrelated infection incidence per 1000 catheter-days was 4.1 and 1.3, respectively (p=0.04). CHSS was associated with a significant reduction of infection in jugular catheters regarding to insertion sites (p=0.01). 3) Microorganisms causing infection were Staphylococcus aureus (n=3), Candida (n=3), coagulase-negative Staphylococci (n=2), and Klebsiella (n=1) in NCC, and Candida species (n=2), coagulase-negative Staphylococci (n=2), Proteus (n=1) in CHSS. Conclusion : CHSS has significantly reduced the episodes of infection compared to NCC in jugular catheterization in medical ICU.

목 적 : 중환자실 환자에서 중심정맥관 관련 감염증은 원내 감염의 주요 부분을 차지한다. 이러한 중심 정맥관 관련 감염증을 감소시키기 위하여 chlorhexidine-silver sulfadiazine coated catheter (CHSS) 사용에 대한 임상적 유용성에 대해서는 논란의 여지가 있지만, 국내에서는 아직 이와 관련된 보고가 없었다. 본 연구는 non-coated catheter (NCC)와 CHSS의 중심 정맥관 관련 감염증의 차이를 비교하고자 하였다. 대상 및 방법 : 2004년 1월부터 12월까지 12개월간 서울아산병원 내과계 중환자실에 입원하여 48시간 이상 중심정맥관을 삽입하였던 446 예을 대상으로 하였다. NCC(n=187)과 CHSS (n=259)에서 중심정맥관과 환자의 특성, 중심정맥관 삽입 위치, 평균 삽입 일수, 집락화중심정맥관 관련 감염증의 빈도, 및 원인균 등에 대하여 후향적인 방법으로 조사하였다. 결 과 : 1) NCC와 CHSS에서 환자군의 나이 ($62{\pm}16$, $63{\pm}15$; p=0.42) 세, 성비 (94:50, 141:69; p=0.9), 중환자실 재원일수 ($29{\pm}37$, $26{\pm}44$ ;p=0.42) 일, 인공 호흡기 사용 기간 ($17{\pm}22$, $15{\pm}19$; p=0.17) 일, 카테터 삽입 시 APACHE III 점수는 ($81{\pm}34$, $82{\pm}37$; p=0.61) 차이가 없었다. 2) 평균 카테터 삽입 기간은 NCC $11{\pm}8$ 일, CHSS $11{\pm}9$ 일 이었고(p=0.98), 총 카테터 일수는 NCC 2176일, CHSS 3035 일 이었다. NCC와 CHSS에서 카테터 감염 발생 환자는 각각 9명 (4.8%), 4명(1.5%) 으며, 1000 catheter-day당 감염 건수는 4.1건, 1.3건 이었다(p=0.04). 삽입 위치에서는 내경 정맥 삽입 시 CHSS에서 NCC 보다 중심정맥관 관련 감염증이 감소하였다 (p=0.01). 3) 중심정맥관 관련 감염증에서 동정된 균은 NCC에서 Stazfphylococcus aureus 3명, Candida species 3명, coagulase-negative Staphylococci 2명, Klebsiella 1명, 이었고 CHSS는 coagulase-negative Staphylococci 2명, Candida species 2명, Proteus 1명 이었다. 결 론 : 내과계 중환자실 환자에서 중심정맥관 삽입 시 NCC에 비해 CHSS에서 중심정맥관 감염율이 감소하였으며, 특히 삽입 위치가 내경 정맥일 때 유의한 감소를 보였다.

Keywords

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