Clinical Efficiency of NT-pro BNP in Elderly Patients with Dyspnea

Kim, Kee Tack

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Original Article

Journal of the Korean Geriatrics Society 2005;9(4):285-290.
Published online December 31, 2005.

Clinical Efficiency of NT-pro BNP in Elderly Patients with Dyspnea

Kee Tack Kim

Department of Internal Medicine, Gimpo Woori Hospital, Gimposi, Kyongido, Korea. mdkt@medigate.net.or.kr

호흡 곤란 노인의 환자에서 NT-pro BNP의 임상적 유용성

Abstract

BACKGROUND
Dyspnea is the subjective symptom that means breathing difficulty or discomfort. Clinical evaluation to etiology of dyspnea in elderly patient may be difficult because of underlying disease and physiological change. NT-pro BNP is noted that is good clinical marker to diagnose congestive heart failure and then evaluated clinical efficiency in elderly dyspnea patients.
METHODS
Medical records, echocardiogram and laboratoty result including NT-pro BNP were analysed in elderly patients who were admitted due to dyspnea from January 2004 to July 2005 that were finally diagnosed as systolic or diastolic heart failure and exacerbation of chronic obstructive lung disease.
RESULTS
The patents were divided into three groups; group 1(systolic heart failure), group 2(diastolic heart failure), group 3 (exacerbation of chronic obstructive lung disease). The mean age and study number were 78.5+/-7.7 yrs(group 1; 24), 79.0+/-8.0 yrs(group 2; 22), 73.8+/-6.7 yrs(group 3; 18). The ejection fraction and left atrial size of group 1, 2, 3 were 42.9+/-7.5%, 69.7+/-9.1%. 66.19.5%(p<0.001) and 4.2+/-0.9 cm, 4.6+/-1.0 cm, 3.7+/-0.7cm(p=0.005). The value of NT-pro BNP were 12912.0+/-13179.9 pg/mL(group 1), 2842.8+/-2014.8pg/mL(group 2) and 168.2+/-148.8pg/mL(group 3)(p<0.001).
CONCLUSION
NT-pro BNP can be used to evaluate etiologic disease as systolic heart failure in elderly patients who complain dyspnea as like echocardiogram although more large study is needed to evaluate clinical significance of NT-pro BNP.

Key Words: Dyspnea, Heart failure, NT-pro BNP, Elderly

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