B型利钠肽(B-type natriuretic peptide,BNP)是一种由心室肌细胞分泌的能够反映心脏功能的激素类物质,文献报道其与肥胖关系密切。随着生活水平提高,肥胖人数日益增多已成为21世纪严重的公共健康问题。BNP在临床上用于心力衰竭的诊断,在判断心源性或非心源性急性呼吸困难时具有重要意义[1]。近年来BNP在肥胖人群中的变化越来越受到重视,这种 B-type natriuretic peptide (BNP) is a hormone secreted by ventricular myocytes to reflect cardiac function. It has been reported in the literature that it is closely related to obesity. With the improvement of living standards, the increasing number of obese people has become a serious public health problem in the 21st century. The clinical use of BNP in the diagnosis of heart failure is of great importance in the diagnosis of acute or noncardiogenic dyspnea [1]. In recent years, BNP in obese people more and more attention to changes in this