Lower respiratory tract infection of positive antigen test for respiratory syncytial virus on children under 2 years of age

2세 이하의 소아에서 respiratory syncytial virus의 항원검사에 양성인 하기도 감염

  • Jeong, Jea Heon (Department of Pediatrics, College of Medicine, Wonkwang University) ;
  • Moon, Kyoung Hee (Department of Pediatrics, College of Medicine, Wonkwang University) ;
  • Lee, Chang Woo (Department of Pediatrics, College of Medicine, Wonkwang University) ;
  • Choi, Du Young (Department of Pediatrics, College of Medicine, Wonkwang University) ;
  • Oh, Yeun Geun (Department of Pediatrics, College of Medicine, Wonkwang University) ;
  • Yoon, Hyang Suk (Department of Pediatrics, College of Medicine, Wonkwang University) ;
  • Cho, Ji Hyun (Department of Laboratory Medicine, College of Medicine, Wonkwang University) ;
  • Kim, Jong Duck (Department of Pediatrics, College of Medicine, Wonkwang University)
  • 정재헌 (원광대학교 의과대학 소아과학교실) ;
  • 문경희 (원광대학교 의과대학 소아과학교실) ;
  • 이창우 (원광대학교 의과대학 소아과학교실) ;
  • 최두영 (원광대학교 의과대학 소아과학교실) ;
  • 오연균 (원광대학교 의과대학 소아과학교실) ;
  • 윤향석 (원광대학교 의과대학 소아과학교실) ;
  • 조지현 (원광대학교 의과대학 임상진단의학교실) ;
  • 김종덕 (원광대학교 의과대학 소아과학교실)
  • Received : 2005.09.05
  • Accepted : 2005.11.18
  • Published : 2006.04.15

Abstract

Purpose : This study was design and performed for evaluations of resent clinical pattern of bronchiolitis caused by RSV infection with children under 2 year of age for 5 years, who were admitted to pediatric ward. Methods : The inclusion criteria of the patients were children under 24 month-of-age, clinical manifestations of lower respiratory tract infection, and RSV antigen that was detected by a direct immunofluorescence test from the nasal secretions. The additional laboratory and simple chest X-ray findings were reviewed from the medical records of children who were admitted Wonkwang university hospital from Jan. 1999 to Dec. 2003. Results : In the 5 year study duration, 127 patients were enrolled and outbreak of RSV bronchiolitis took place in 2001. The 80 cases(63 percent) of RSV infection were concentrated in later autumn and winter. Number of the cases show coughing were 120(94.5 percent), but rale was audible in 78 cases(61.4 percent). Dyspnea, wheezing, and intercostal retraction were noticed in 27(21.3 percent), 21(16.5 percent), and 4(3 percent) cases respectively. The most common chest X-ray finding was hyperinflation of the lung that was noticed in 110 cases(86.6 percent). Care with mechanical ventilator for more than 2 days required in 5 cases. Conclusion : Lower respiratory tract infection by RSV was common in late autumn and winter season but year-round infection was noticed. The severity of RSV respiratory tract infectiontakes in some degree a grave course. So we suggest that population-based surveillance of acute respiratory infection due to RSV is necessary for assessment of prevalence and epidemiology of this disease.

목 적 : 세기관지염은 영유아에서 흔한 하기도 감염이며 RSV 바이러스가 가장 흔한 원인 바이러스다. 그러나 RSV 감염에 대한 능동면역을 이용한 예방은 아직 이용할 수 없는 실정이다. 본 임상고찰은 최근 5년 동안 2세 이하의 어린이에서 RSV 감염에 의한 세기관지염의 임상양상을 평가하고자 하였다. 방 법 : 1999년 1월부터 2003년 12월까지 원광대학교병원 소아과에 입원한 환아 가운데 생후 24개월 미만이며 하부호흡기 감염의 증거가 있는 환아 513명 중 비강 분비물에서 RSV 항원 양성인 소아 127명을 대상으로 하여 흉부 X-선, 임상양상과 기본 혈액검사 소견을 조사하였다. 결 과 : 1999년부터 2003년까지 5년간 각 연도별 발생은 2001년에 43례(34%)로 가장 많은 발생을 보였다. 5년 통산 월별 발병은 11월에 37례(29%)로 가장 많았고 매년 늦가을부터 겨울철에 발병이 집중되는 양상을 보였다. 주요 임상소견은 기침이 120례(94%)에서 나타났고 수포음은 78례(61%)에서 청진되었고 호흡곤란과 천명은 각각 27례(21%), 21례(17%)에서 관찰되어 수포음의 청진이 하기도 감염의 주요 소견이었다. 가장 흔한 흉부 X-선 소견은 폐의 과도한 공기음영이었고 110례(87%)에서 관찰되었다. 122례에서 합병증없이 회복되었으나 5례에서 2일간 기계적인 인공호흡 치료가 필요하여 고위험군에 속하는 환아의 집중관리가 요구된다. 결 론 : 5년간 입원환자로 본 RSV에 의한 하부호흡기 감염은 늦가을과 겨울철에 발병이 많았지만 일년내내 하기도 감염 환아가 발생하였으며, RSV 감염으로 주로 고위험군 소아에서 중한 경과를 취하는 경우가 있어서 RSV 호흡기 감염에 대한 인구를 기초로 한 감시체계와 범국가적인 체계적 조사로 유병률 및 유행에 대한 평가가 필요할 것으로 사료된다.

Keywords

Acknowledgement

Supported by : 원광대학교

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