Correlation Between NT-proBNP and Pulmonary Arterial Pressure in COPD Patients

만성 폐쇄성 폐질환 환자에서 뇌나트륨이뇨펩티드와 폐동맥압과의 상관관계에 관한 연구

  • Hwang, Yong Il (Department of Internal Medicine, Seoul National University, College of Medicine, Lung Institute of Seoul National University Medical Research Center) ;
  • Park, Geun Min (Department of Internal Medicine, Seoul National University, College of Medicine, Lung Institute of Seoul National University Medical Research Center) ;
  • Kwon, Sung Youn (Department of Internal Medicine, Seoul National University, College of Medicine, Lung Institute of Seoul National University Medical Research Center) ;
  • Yoon, Ho Il (Department of Internal Medicine, Seoul National University, College of Medicine, Lung Institute of Seoul National University Medical Research Center) ;
  • Lee, Choon-Taek (Department of Internal Medicine, Seoul National University, College of Medicine, Lung Institute of Seoul National University Medical Research Center) ;
  • Han, Sung Koo (Department of Internal Medicine, Seoul National University, College of Medicine, Lung Institute of Seoul National University Medical Research Center) ;
  • Shim, Young Soo (Department of Internal Medicine, Seoul National University, College of Medicine, Lung Institute of Seoul National University Medical Research Center) ;
  • Lee, Jae Ho (Department of Internal Medicine, Seoul National University, College of Medicine, Lung Institute of Seoul National University Medical Research Center)
  • 황용일 (서울대학교 의과대학 내과학 교실 및 폐연구소) ;
  • 박근민 (서울대학교 의과대학 내과학 교실 및 폐연구소) ;
  • 권성연 (서울대학교 의과대학 내과학 교실 및 폐연구소) ;
  • 윤호일 (서울대학교 의과대학 내과학 교실 및 폐연구소) ;
  • 이춘택 (서울대학교 의과대학 내과학 교실 및 폐연구소) ;
  • 한성구 (서울대학교 의과대학 내과학 교실 및 폐연구소) ;
  • 심영수 (서울대학교 의과대학 내과학 교실 및 폐연구소) ;
  • 이재호 (서울대학교 의과대학 내과학 교실 및 폐연구소)
  • Received : 2007.06.14
  • Accepted : 2007.10.24
  • Published : 2007.10.30

Abstract

Background: Pulmonary hypertension is one of the cardiovascular complications of in COPD. However, a diagnosis of pulmonary hypertension requires an invasive test, such as right heart catheterization. NT-proBNP is a cardiac hormone that is elevated when a cardiac volume or pressure overload is present. It was hypothesized that NT-proBNP might play a role in detecting of pulmonary hypertension in COPD patients. Method: The 31 COPD patients, who underwent all of NT-proBNP, echocardiography, and spirometry in Seoul National University Bundang Hospital during the period from November 2003 to July 2005, were retrospectively analyzed. Result: Of the 31 COPD patients, 9 patients had pulmonary hypertension. A significant positive correlation was observed between the NT-proBNP and pulmonary arterial pressure (r=0.589, p=0.002). However, there was no significant correlation observed between the $FEV_1$ and NT-proBNP and $FEV_1$ and pulmonary arterial pressure. Conclusion: NT-proBNP might indicate the presence of pulmonary hypertension in COPD patients.

연구 배경: 폐동맥 고혈압은 만성 폐쇄성 폐질환 환자에서 중요한 심혈관계 합병증이다. 뇌나트륨이뇨펩티드는 허혈성 심질환과 심부전의 경우에서 진단적 효율성과 예후 예측인자로서의 효율성이 잘 알려져 있고 우심에 압력 과부하가 있는 상황에서도 증가된다. 뇌나트륨이뇨펩티드의 측정이 만성 폐쇄성 폐질환 환자에서 폐동맥 고혈압의 진단에 유용성이 있는지 알아보고자 폐동맥압과 뇌나트륨이뇨펩티드와의 상관관계를 분석하였다. 연구 방법: 의무 기록 분석을 통하여 뇌나트륨이뇨펩티드, 심초음파, 폐기능 검사를 모두 실시한 만성 폐쇄성 폐질환 환자들을 대상으로 연구를 수행하였다. 뇌나트륨이뇨펩티드(NT-proBNP), 폐동맥압(PAP), 1초간 노력성 폐활량($FEV_1$)과의 상관관계를 분석하였다. 결과: 총 31명의 환자가 분석에 포함되었으며 폐동맥 고혈압이 동반된 환자는 9명(26.7%)이었다. 폐동맥압과 뇌나트륨이뇨펩티드 사이에 유의한 상관관계가 관찰되었다(r=0.589, p=0.002). 결론: 뇌나트륨이뇨펩티드는 만성 폐쇄성 폐질환 환자들에서 동반된 폐동맥 고혈압의 진단에 사용될 수 있을 것으로 사료된다.

Keywords

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