J Med Life Sci > Volume 7(1); 2010 > Article
Journal of Medicine and Life Science 2010;7(1):105-109.
DOI: https://doi.org/10.22730/jmls.2010.7.1.105    Published online June 30, 2010.
2007-2009 년도 제주도 지역 소아에서 발생한 마이코플라즈마 폐렴 및 동반된 세균성 및 호흡기 바이러스 감염의 양상
정희철, 홍정연
제주대학교 의학전문대학원 소아청소년과학교실
Trends of pediatric mycoplasmal pneumonia and its coinfection with bacteria or respiratory viruses in Jeju, 2007-2009
Hee Cheul Jung, Jung Yun Hong
Department of Pediatrics, Jeju National University School of Medicine, Jeju, Korea
Correspondence:  Hee Cheul Jung, Email: hee-cheul@hanmail.net
Abstract
The aim of this study was to evaluate trends of mycoplasmal pneumonia and its coinfection with bacteria or respiratory viruses over the period 2007-2009 in Jeju and to confirm the necessity of bacterial culture tests and viral PCR tests in mycoplasmal pneumonia patients. This study was performed by analysing the records of 3898 pediatric patients who visited Jeju National University Hospital with pneumonia diagnosed and got anti-mycoplasmal antibody tests or Pneumobacter PCR from January 2007 to December 2009. The patients diagnosed as mycoplasmal pneumonia were 625 (16.0%). The highest incidence of age was between 2 and 5 years old (58.7%) and the sex ratio was 1:1.2. Monthly distribution of patients was high in the first hall in 2007, in the second half in 2009, and even in 2008. 150 (24.0%) of mycoplasmal pneumonia patients received bacterial culture tesls for their respiratory secretions and 39 (26.0%) among them were coinfected with more than one bacterium. There were 21 (51%) Streptococcus pneumonia, 10 (25%) Staphylococcus aureus, 5 (12%) Streptococcus pyogenes, and 5 (12%) the others. 78 (12.5%) of mycoplasmal pneumonia patients received respiratory virus multiplex PCR tests for their respiratory secretions and 42 (53.8%) among them were coinfected with more than one virus. There were 11 (20%) influenza viruses, 10 (18%) parainfluenza viruses, 9 (17%) of each adenovirus and respiratory syncytial virus(RSV), 7 (13%) of each melapneumovirus and rhinovirus A, and 1 (2%) coronavirus. The results said that trends of mycoplasmal pneumonia in Jeju were similar to that of other areas, and the rate of coinfection with bacteria or respiratory viruses was relatively high. The coinfection with bacteria and viruses are not uncommon in mycoplasmal pneumonia, so bacterial culture tests and viral PCR tests for respiratory secretion in diagnosis of mycoplasmal pneumonia is considered necessary.
Key Words: Mycoplasmal pneumonia; Children; Atypical pneumonia; Respiratory viral coinfection; Bacterial coinfection
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