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천명을 동반한 급성 Mycoplasma pneumoniae 폐렴에서 혈청 vascular endothelial growth factor의 증가

Increased vascular endothelial growth factor in children with acute Mycoplasma pneumoniae pneumonia and wheezing

  • 서영 (고려대학교 의과대학 대학원) ;
  • 유병근 (고려대학교 안암병원 소아청소년과) ;
  • 오연정 (고려대학교 안암병원 소아청소년과) ;
  • 이윤 (고려대학교 안암병원 소아청소년과) ;
  • 유영 (고려대학교 안암병원 소아청소년과) ;
  • 정지태 (고려대학교 안암병원 소아청소년과) ;
  • 고영률 (서울대학교병원 소아청소년과)
  • Seo, Young (Department of Pediatrics, College of Medicine, Graduate School, Korea University) ;
  • Yu, Byung Keun (Department of Pediatrics, Korea University Anam Hospital) ;
  • Oh, Yeon Joung (Department of Pediatrics, Korea University Anam Hospital) ;
  • Lee, Yoon (Department of Pediatrics, Korea University Anam Hospital) ;
  • Yoo, Young (Department of Pediatrics, Korea University Anam Hospital) ;
  • Choung, Ji Tae (Department of Pediatrics, Korea University Anam Hospital) ;
  • Koh, Young Yull (Department of Pediatrics, Seoul National University Hospital)
  • 투고 : 2008.02.19
  • 심사 : 2008.04.10
  • 발행 : 2008.05.15

초록

목 적 : 마이코플라스마 폐렴은 일부 천식의 과거력이 없는 환자에서도 천명, 호흡곤란 등의 증상을 보여 천식의 발생과 관계된다고 한다. VEGF는 천식의 만성 염증 형성에 중요한 역할을 한다. 본 연구는 마이코플라스마 폐렴에서 천명이 동반되는 환아와 천명이 없는 환아에서 혈청 VEGF의 농도가 차이가 있는지 알아보고자 하였다. 방 법 : 2006년 8월부터 2007년 2월까지 고려대학교 안암병원 소아과에 천식의 과거력이 없는 마이코플라스마 폐렴으로 입원한 환아들 중 의사의 청진상 천명음이 처음으로 확인된 환아 9명(천명군)과 천명음이 한번도 없었던 비천명군 63명을 대상으로 혈청 VEGF농도, M. pneumoniae 항체가, 혈액 호산구 염증지표 및 혈청 IgE 농도 등을 측정하였다. 결 과 : 천명군의 혈청 VEGF 농도는 $650.2{\pm}417.9pg/mL$로 비천명군($376.5{\pm}356.2pg/mL$) 보다 높게 나타났고(P=0.049), M. pneumoniae 항체가도 천명군에서 더 높았다(1:1,380 vs. 1:596, P=0.048). 혈청 총IgE 값은 천명군이 591.8 IU/mL, 비천명군이 162.2 IU/mL 이었다(P=0.032). 두 군의 말초혈액 호산구수(천명군 : $263.0/{\mu}L$ vs. 비천명군 : $166.5/{\mu}L$)와 혈청 ECP 농도(천명군 : $22.8{\mu}g/L$ vs. 비천명군 : $17.4{\mu}g/L$)는 유의한 차이가 없었다. 천명군에서 혈청 VEGF 농도는 항체가와 유의한 상관관계를 보였다(r=0.568, P=0.034). 결 론 : 천식의 과거력이 없는 아토피 소아에서 높은 VEGF 농도는 마이코플라스마 폐렴에서 천명 발생과 관계가 있는 것으로 생각할 수 있으며, 이들 환자에서 앞으로 천식 발생 유무에 대한 추적 관찰이 필요하리라 생각한다.

Purpose : Although Mycoplasma pneumoniae (M. pneumoniae) infection can cause wheezing in non-asthmatic children, the mechanisms of this symptom remain unclear. Vascular endothelial growth factor (VEGF) is a major mediator of angiogenesis and vascular permeability, and is also known to be elevated in cases of chronic pulmonary disease such as asthma. We hypothesized that VEGF may increase in children with acute M. pneumoniae pneumonia and wheezing. Methods : Nine patients with clinical and laboratory evidence of acute M. pneumoniae pneumonia were enlisted from children admitted to Korea University Hospital. They had had more than one episode of wheezing during the illness, which was confirmed by a physician; they comprised the wheezer group. The individuals with M. pneumoniae pneumonia without wheezing were 63 in number, and they comprised the non-wheezer group. Patients with a history of asthma or who had received asthma medications were excluded. Serum concentrations of VEGF, total IgE, eosinophil cationic protein (ECP), and peripheral blood eosinophil counts were measured. Results : The serum VEGF concentrations were higher in the wheezer group ($mean{\pm}SD$; $650.2{\pm}417.9pg/mL$) than in the non-wheezer group ($376.5{\pm}356.2pg/mL$, P=0.049). M. pneumoniae antibody (1:1,380 vs. 1:596, P=0.048) and serum total IgE (591.8 IU/mL vs. 162.2 IU/mL, P=0.032) were higher in the wheezer group than in the non-wheezer group. There were no differences between the two groups in terms of serum ECP concentration or blood eosinophil count. Conclusion : In the presence of wheezing, serum VEGF concentrations were higher in the children with M. pneumoniae pneumonia. This finding suggests that VEGF may associate with wheeze-related symptoms in children with acute M. pneumoniae pneumonia.

키워드

참고문헌

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피인용 문헌

  1. Increased serum interleukin-5 and vascular endothelial growth factor in children with acute mycoplasma pneumonia and wheeze vol.44, pp.5, 2008, https://doi.org/10.1002/ppul.20961