The Role of Inhaled Corticosteroid in the Management of Chronic Cough

만성 기침에서 스테로이드 흡입제의 역할

  • Lee, Kyung-Hun (Division of Pulmonary, Allergy and Critical Care Medicine of Hallym University Medical Center, Hallym University College of Medicine) ;
  • Jang, Seung Hun (Division of Pulmonary, Allergy and Critical Care Medicine of Hallym University Medical Center, Hallym University College of Medicine) ;
  • Lee, Jung-Hwa (Division of Pulmonary, Allergy and Critical Care Medicine of Hallym University Medical Center, Hallym University College of Medicine) ;
  • Eom, Kwang-Seok (Division of Pulmonary, Allergy and Critical Care Medicine of Hallym University Medical Center, Hallym University College of Medicine) ;
  • Bahn, Joon-Woo (Division of Pulmonary, Allergy and Critical Care Medicine of Hallym University Medical Center, Hallym University College of Medicine) ;
  • Kim, Dong-Gyu (Division of Pulmonary, Allergy and Critical Care Medicine of Hallym University Medical Center, Hallym University College of Medicine) ;
  • Shin, Tae Rim (Division of Pulmonary, Allergy and Critical Care Medicine of Hallym University Medical Center, Hallym University College of Medicine) ;
  • Park, Sang Myon (Division of Pulmonary, Allergy and Critical Care Medicine of Hallym University Medical Center, Hallym University College of Medicine) ;
  • Lee, Myung-Gu (Division of Pulmonary, Allergy and Critical Care Medicine of Hallym University Medical Center, Hallym University College of Medicine) ;
  • Kim, Chul-Hong (Division of Pulmonary, Allergy and Critical Care Medicine of Hallym University Medical Center, Hallym University College of Medicine) ;
  • Hyun, In-Gyu (Division of Pulmonary, Allergy and Critical Care Medicine of Hallym University Medical Center, Hallym University College of Medicine) ;
  • Jung, Ki-Suck (Division of Pulmonary, Allergy and Critical Care Medicine of Hallym University Medical Center, Hallym University College of Medicine)
  • 이경훈 (한림대학교 의과대학 내과학교실, 한림대학교성심병원 호흡기 알레르기내과) ;
  • 장승훈 (한림대학교 의과대학 내과학교실, 한림대학교성심병원 호흡기 알레르기내과) ;
  • 이정화 (한림대학교 의과대학 내과학교실, 한림대학교성심병원 호흡기 알레르기내과) ;
  • 엄광석 (한림대학교 의과대학 내과학교실, 한림대학교성심병원 호흡기 알레르기내과) ;
  • 반준우 (한림대학교 의과대학 내과학교실, 한림대학교성심병원 호흡기 알레르기내과) ;
  • 김동규 (한림대학교 의과대학 내과학교실, 한림대학교성심병원 호흡기 알레르기내과) ;
  • 신태림 (한림대학교 의과대학 내과학교실, 한림대학교성심병원 호흡기 알레르기내과) ;
  • 박상면 (한림대학교 의과대학 내과학교실, 한림대학교성심병원 호흡기 알레르기내과) ;
  • 이명구 (한림대학교 의과대학 내과학교실, 한림대학교성심병원 호흡기 알레르기내과) ;
  • 김철홍 (한림대학교 의과대학 내과학교실, 한림대학교성심병원 호흡기 알레르기내과) ;
  • 현인규 (한림대학교 의과대학 내과학교실, 한림대학교성심병원 호흡기 알레르기내과) ;
  • 정기석 (한림대학교 의과대학 내과학교실, 한림대학교성심병원 호흡기 알레르기내과)
  • Received : 2005.08.31
  • Accepted : 2006.01.23
  • Published : 2006.02.28

Abstract

Background : Cough may be a consequence of bronchial hyperresponsiveness or inflammation. Empirical treatment is important in this context because it difficult to verify the obvious cause of cough using laboratory tests, Corticosteroid has a nonspecific anti-inflammatory effect, and can be used for cough management. However, its response rate has not yet been fully elucidated. This study investigated the short- term effects of inhaled corticosteroid on chronic cough Methods : Patients with chronic cough with a normal chest radiograph and a pulmonary function test were enrolled. Cases with a prior respiratory infection within 8 weeks, a history of bronchial asthma, objective wheezing on examination, subjective symptoms of gastroesophageal reflux or taking an ACE inhibitor were excluded. On the first visit, a methacholine bronchial provocation test, spontaneous sputum eosinophil count performed twice and a paranasal sinus radiograph were checked, and the patients were treated with budesonide turbuhaler $800{\mu}g/day$ for ten days. The primary outcome measure was a decrease in the cough score after treatment. Results : Sixty nine chronic coughers were finally analyzed. The final diagnoses by the routine tests were as follows: bronchial asthma 13.0%, eosinophilic bronchitis 18.8%, paranasal sinusitis 23.2% and non-diagnostic cases 53.6%. The following responses to the inhaled corticosteroid were observed: definite responders, 76.8%, possible responders, 2.9% and non-responders, 20.3%. The response rate was not affected by the final diagnosis even in the non-diagnostic cases. There were minimal adverse drug related effects during the empirical treatment. Conclusion : Routine objective tests such as methacholine provocation, sputum eosinophil count and simple radiographs were notare not suitable for diagnosing chronic cough Therefore, empirical treatment is important. Short term inhaled corticosteroid is effective and can guide a further treatment plan for chronic cough.

연구배경 : 만성 기침은 정밀 검사를 추가하여도 진단율을 향상시키는데 한계가 있고, 확진은 특이적 치료에 반응할 때에만 가능하다. 스테로이드는 비특이적 항염증 작용을 가지므로 만성 기침에 효과적일 수 있다. 본 연구에서는 원인 진단에 대한 진료 한계를 극복하기 위한 방법으로서, 만성 기침에 대한 흡입 스테로이드의 반응률을 알아보기 위하여 시행되었다. 방 법 : 3주 이상의 만성 기침 환자를 대상으로 처음 내원하였을 때 객담 호산구, 메타콜린 기관지 유발검사, 부비동 방사선촬영 등의 기본적인 객관적 검사를 시행하고, 동시에 budesonide turbuhaler $800{\mu}g/day$를 10일간 투여하고 추적 방문토록 하였다. 추적 방문일에 환자 증상의 개선도에 따라 흡입 스테로이드 반응군과 불응군으로 분류하였고 검사의 진단 성적을 조사하였으며, 각 진단에 따른 스테로이드 반응률을 알아보았다. 결 과 : 총 69명의 만성 기침 환자가 최종 분석되었고, 흡입 스테로이드의 투여로 증상의 호전이 있었던 경우는 79.7%였다. 진단된 질환에 따른 흡입 스테로이드의 반응률은 차이가 없었다. 투여 기간 동안 부작용은 거의 관찰되지 않아서 우수한 내약성을 보였다. 결 론 : 만성 기침 환자를 진료할 때 기본 검사를 시행하는 동시에 흡입 스테로이드를 단기간 투여하는 것은 매우 안전하며, 검사의 진단적 한계를 극복하고 초기에 진료 지침을 세우는 방법이 될 수 있다.

Keywords

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