Tuberculosis and Respiratory Diseases

  • 제59권6호
  • /
  • Pages.606-612
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  • 2005
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  • 1738-3536(pISSN)
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  • 2005-6184(eISSN)
대한결핵및호흡기학회 (The Korean Academy of Tuberculosis and Respiratory Diseases)
권호 표지

일개 국립결핵병원에서 경험한 비결핵성 마이코박테리아 폐질환의 원인균과 임상상

Pathogenic Classification and Clinical Characteristics of Nontuberculous Mycobacterial Pulmonary Disease in a National Tuberculosis Hospital

  • 최순필 (국립마산결핵병원 내과) ;
  • 이봉근 (국립마산결핵병원 임상연구소) ;
  • 민진홍 (국립마산결핵병원 내과) ;
  • 김진희 (국립마산결핵병원 임상연구소)
  • Choi, Sun-Pil (Department of Medicine, National Masan Tuberculosis Hospital) ;
  • Lee, Bong-Keun (Clinical Research Center for Tuberculosis, National Masan Tuberculosis Hospital) ;
  • Min, Jin-Hong (Department of Medicine, National Masan Tuberculosis Hospital) ;
  • Kim, Jin-Hee (Clinical Research Center for Tuberculosis, National Masan Tuberculosis Hospital)
  • 투고 : 2005.08.22
  • 심사 : 2005.10.27
  • 발행 : 2005.12.30
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초록

배 경: 최근 국내의 연구에 의하면 객담 항산균 도말검사에 양성을 보인 환자들 중 NTM 분리비율이 약 10%정도로 NTM 폐질환의 중요성이 증가하고 있다. 국립 마산 결핵 병원의 경우 타 병원에 비해 초치료 환자 보다 재치료 및 다제 내성 결핵 환자의 비율이 높고 이런 환자들에 있어서 NTM 폐질환의 여부 및 원인균에 대한 연구가 필요할 것으로 생각된다. 대상 및 방법 : 2002년 8월부터 2003년 7월까지 본원에서 객담 및 기관지 세척액 등 호흡기 검체를 통해 항상균 도말 및 배양검사가 의뢰된 검체에서 NTM이 분리된 환자들을 대상으로 하였다. NTM 폐질환의 진단은 미국흉부학회 진단 기준을 이용하였으며 환자들의 원인균, 임상적 및 방사선적 특징과 NTM 폐질환 발생과 치료성공에 연관된 인자에 대하여 후향적으로 조사하였다. 결 과 : 57명의 환자로부터 의뢰된 100개의 호흡기 검체에서 NTM균이 분리되었다. 미국 흉부학회의 NTM 폐질환 진단 기준에 따라 57명의 환자 중 26명(45.6%)가 NTM 폐질환을 가지고 있었으며 원인균은 M. intracellulare 19명(73.1%), M. abscessus 5명(19.2%), M. fortuitum 1명(3.8%), M. chelonae 1명(3.8%)의 순이었다. 균종에 따른 발병력은 M. intracellulare 67.9%(19/28명), M. abscessus 41.7%(5/12명)로 높았으며 M. fortuitum 14.3%(1/7명), M. chelonae 25%(1/4명)였다. NTM 폐질환 발생과 연관된 인자는 객담 도말양성(odds ratio=6.3, p=0.02), 분리된 균이 MAC 또는 M. abscessus인 경우(odds ratio=6.9, p=0.007)와 관련되어 있었다. NTM 폐질환 환자의 치료성공률은 57.7%(15/26명)이었으며 치료성공과 관련된 인자는 관찰할 수 없었다. 결 론 : 본원의 NTM이 분리된 환자 중 NTM 폐질환 비율은 높았으며 원인균에 있어서 MAC, M. abscessuss순이었다. 그리고 NTM 폐질환 발생과 연관된 인자는 객담 도말양성, 분리된 균이 MAC 또는 M. abscessus인 경우와 관련되어 있었다.

Background : It has been reported that nontuberculosis mycobacterium(NTM) isolates account for approximately 10% of patients with a positive Acid-Fast Bacilli(AFB) smear. Therefore, it is necessary to consider NTM pulmonary disease when such a positive test is encountered. The aim of this study was to evaluate the etiologies and clinical characteristics of patients with NTM pulmonary disease who had been treated at a national tuberculosis hospital. Methods : The NTM isolates were recovered from the sputum or bronchial washing specimens submitted to a clinical laboratory of National Masan TB Hospital from August 2002 to July 2003. All samples were identified using a polymerase chain reaction-restriction fragment length polymorphism analysis method, which amplifies the rpoB gene. The patients were diagnosed with NTM disease according to the American Thoracic Society diagnostic criteria. Results : One hundred NTM isolates were recovered from 57 patients. Of the 100 isolates, M. avium complex(MAC) was the most common species, which was found 55%(n=55) of patients, followed by M. abscessus(n=25), and M. fortuitum( n=9). 26(45.6%) patients had NTM disease. Twenty-six (45.6%) patients had NTM disease according to The American Thoracic Society classification. The main organisms involved in NTM disease were MAC(n=19, 73.1%) and M. abscessus(n=5, 19.2%). The pathogenic potential was 67.9% in M. intracellulare and 41.7% in M. abscessus. The predictive factors related to NTM disease were a positive sputum smear (OR 6.4, p=0.02) and the isolation of either MAC or M. abscessus(OR 6.9, p=0.007). Fifteen patients(57.7%) were cured. There were no significant factors associated with the treatment success. Conclusion : There was a relatively high proportion of NTM disease in NTM isolates and the common species were MAC and M. abscessus. The predictive factors for NTM disease were a positive sputum smear and the isolation of either MAC or M. abscessus.

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참고문헌

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