Background N-terminal pro β-type natriuretic peptide （NT pro BNP） has been shown to predict the prognosis and could guide the treatment of heart failure. We aimed to investigate the values of NT pro BNP in predicti...Background N-terminal pro β-type natriuretic peptide （NT pro BNP） has been shown to predict the prognosis and could guide the treatment of heart failure. We aimed to investigate the values of NT pro BNP in predicting the clinical response to cardiac resynchronization therapy （CRT）. Methods A total of 44 patients with chronic heart failure （34 male and 10 female, mean age of （58±13） years, New York Heart Association （NYHA） class 3.3±0.5, QRS duration （150±14） milliseconds） who underwent successful implantation of a CRT system were enrolled in this study. Pharmacotherapy remained stable during the first 3 months of follow-up. Plasma levels of NT pro BNP were evaluated before and 3 months after implantation. Clinical, echocardiographic and exercise parameters were monitored at each clinical visit after CRT implantation. Receiver operating characteristic analysis and a paired ttest were performed to analyze the data. Results After a mean of （16.3±5.5） months of follow-up, 11 nonresponders were identified. CRT resulted in a significant reduction in NT pro BNP （（1.70±1.28） vs （1.07±0.88） pmol/ml, P 〈0.001） in responders. Percentage change in NT pro BNP level （△BNP%） was a statistically significant predictor of long term clinical improvement at 3 months of follow-up. Conclusions △BNP% from baseline to 3 months of follow-up is a predictor of long term response to CRT. NT pro BNP may be a simple method for monitoring the effects of CRT.展开更多
Objective: To study the correlation between serum N-terminal pro-brain natriuretic peptide (NT-proBNP) content and left ventricular remodeling in patients with dilated cardiomyopathy (DCM). Methods: The patients diagn...Objective: To study the correlation between serum N-terminal pro-brain natriuretic peptide (NT-proBNP) content and left ventricular remodeling in patients with dilated cardiomyopathy (DCM). Methods: The patients diagnosed with DCM in our hospital between September 2014 and February 2018 were selected as the DCM group, and volunteers receiving physical examination in our hospital during the same period were selected as the control group. Serum NT-proBNP, N-terminal propeptide of procollagen type I (PINP), C-terminal telopeptide of collagen type I (CITP) and matrix metalloproteinase 1 (MMP1) contents as well as echocardiography parameters left ventricular end-diastolic volume (LVEDV), left ventricular end-systolic volume (LVESV), left ventricular ejection fraction (LVEF) and left ventricular mass index (LVMI) were determined. Results: Serum NT-proBNP, PINP, CITP and MMP1 contents as well as LVMI, LVEDV and LVESV levels of DCM group were significantly higher than those of control group while LVEF level was significantly lower than that of control group;serum NT-proBNP content of DCM group was positively correlated with LVMI, LVEDV and LVESV levels as well as serum PINP, CITP and MMP1 contents, and negatively correlated with LVEF level. Conclusion: The increase of serum NT-proBNP in DCM patients is correlated with left ventricular remodeling and NT-proBNP content can be used to evaluate the degree of left ventricular remodeling.展开更多
目的通过观察不同血液净化方式的联合应用对血液透析患者血清中骨代谢指标及骨质疏松患病率的影响,来评价血液透析方式的不同组合对血液透析患者矿物质和骨异常(mineral and bone disorder,MBD)的影响。方法维持性血液透析患者90例,随...目的通过观察不同血液净化方式的联合应用对血液透析患者血清中骨代谢指标及骨质疏松患病率的影响,来评价血液透析方式的不同组合对血液透析患者矿物质和骨异常(mineral and bone disorder,MBD)的影响。方法维持性血液透析患者90例,随机分为血液透析组(对照组或HD组)、血液透析加血液透析滤过组(HD+HDF组)、血液透析加血液灌流组(HD+HP组),每组30例,观察6个月,比较组内及组间6个月前后血钙、血磷、全段甲状旁腺激素(intact parathyroid hormone,iPTH)、成纤维生长因子23(fibroblast growth factor23,FGF-23)、β-I型胶原羧基末端肽(β-Type I collagen carboxy-terminal peptide,β-CTX)、I型前胶原氨基末端肽(Type I procollagen amino-terminal peptide,PINP)、骨质疏松患病率等指标的变化来评价不同透析方式的组合对血液透析患者MBD的影响。结果组内自身前后比较:HD组血磷[(2.21±0.55)mmol/l vs.(2.64±1.04)mmol/l,t=2.047、P=0.049]、iPTH[(427.7±44.00)pg/ml vs.(452.1±43.00)pg/ml,t=2.140,P=0.038]变化有统计学差异;HD+HDF组的iPTH下降有统计学差异[(465.3±43.02)pg/ml vs.(431.0±37.39)pg/ml,t=3.298,P=0.007];HD+HP组的iPTH[(457.4±60.01)pg/mlvs.(389.1±29.89)pg/ml,t=5.598,P=0.001)、β-CTX[(2.73±1.16)ng/ml vs.(2.13±1.51)ng/ml,t=2.142,P=0.045];PINP[(157.92±31.16)ng/mlvs.(140.76±36.13)ng/ml,t=2.106,P=0.047];FGF-23[(461.16±101.69)ng/ml vs.(397.30±63.18)ng/ml,t=2.922,P=0.011]下降均有统计学意义。组间比较6个月后,HD+HDF组PINP为(147.33±40.72)ng/ml,HD组PINP为(165.32±43.11)ng/ml,二者比较有统计学差异(t=1.969,P=0.048);HD+HDF组FGF-23(465.38±101.36)ng/ml,HD组FGF-23(403.56±96.81)ng/ml,二者比较HD+HDF组更低,有统计学差异(t=2.415,P=0.019);组间比较6个月后,HD+HP组与HD组比较,血磷[(2.02±0.81)mmol/L vs.(2.64±1.04)mmol/L,t=3.221,P=0.003]、iPTH[(389.1±29.89)pg/ml vs.(452.1±43.0)pg/ml,t=6.661,P=0.005]、β-CTX[(2.13±1.51)ng/ml vs.(2.95±1.28)ng/ml,t=2.278,P=0.031]、PINP[(140.76±36.13)ng/ml vs.(165.32±43.11)ng/ml,t=2.339,P=0.028]、FGF-23[(397.30±63.18)ng/ml vs.(465.38±101.36)ng/ml,t=3.114,P=0.003],上述指标HD+HP组较HD组更低,均有统计学意义;组间比较6个月后,HD+HP组与HD+HDF组比较iPTH分别为(389.1±29.89)ng/ml、(431.0±37.39)ng/ml,HD+HP组更低,有统计学意义(t=7.303,P=0.000)。骨质疏松患病率:对照组观察期后骨质疏松和骨量低下的病例数增加,但无统计学意义;HD+HDF组、HD+HP组骨质疏松的病例数有减少,亦无统计学意义(P>0.05)。结论不同的血液透析方式的联合使用对维持性血液透析患者MBD影响不同;血液透析联合血液透析滤过或血液灌流的治疗方式较单纯血液透析有利MBD的改善;血液透析联合血液灌流在骨代谢指标的改善方面更具优势。展开更多
基金This project was supported by a grant from the National Natural Science Foundation of China （No. 30770860）.
文摘Background N-terminal pro β-type natriuretic peptide （NT pro BNP） has been shown to predict the prognosis and could guide the treatment of heart failure. We aimed to investigate the values of NT pro BNP in predicting the clinical response to cardiac resynchronization therapy （CRT）. Methods A total of 44 patients with chronic heart failure （34 male and 10 female, mean age of （58±13） years, New York Heart Association （NYHA） class 3.3±0.5, QRS duration （150±14） milliseconds） who underwent successful implantation of a CRT system were enrolled in this study. Pharmacotherapy remained stable during the first 3 months of follow-up. Plasma levels of NT pro BNP were evaluated before and 3 months after implantation. Clinical, echocardiographic and exercise parameters were monitored at each clinical visit after CRT implantation. Receiver operating characteristic analysis and a paired ttest were performed to analyze the data. Results After a mean of （16.3±5.5） months of follow-up, 11 nonresponders were identified. CRT resulted in a significant reduction in NT pro BNP （（1.70±1.28） vs （1.07±0.88） pmol/ml, P 〈0.001） in responders. Percentage change in NT pro BNP level （△BNP%） was a statistically significant predictor of long term clinical improvement at 3 months of follow-up. Conclusions △BNP% from baseline to 3 months of follow-up is a predictor of long term response to CRT. NT pro BNP may be a simple method for monitoring the effects of CRT.
基金Natural Science Foundation of Hebei Province No:C2014001262.
文摘Objective: To study the correlation between serum N-terminal pro-brain natriuretic peptide (NT-proBNP) content and left ventricular remodeling in patients with dilated cardiomyopathy (DCM). Methods: The patients diagnosed with DCM in our hospital between September 2014 and February 2018 were selected as the DCM group, and volunteers receiving physical examination in our hospital during the same period were selected as the control group. Serum NT-proBNP, N-terminal propeptide of procollagen type I (PINP), C-terminal telopeptide of collagen type I (CITP) and matrix metalloproteinase 1 (MMP1) contents as well as echocardiography parameters left ventricular end-diastolic volume (LVEDV), left ventricular end-systolic volume (LVESV), left ventricular ejection fraction (LVEF) and left ventricular mass index (LVMI) were determined. Results: Serum NT-proBNP, PINP, CITP and MMP1 contents as well as LVMI, LVEDV and LVESV levels of DCM group were significantly higher than those of control group while LVEF level was significantly lower than that of control group;serum NT-proBNP content of DCM group was positively correlated with LVMI, LVEDV and LVESV levels as well as serum PINP, CITP and MMP1 contents, and negatively correlated with LVEF level. Conclusion: The increase of serum NT-proBNP in DCM patients is correlated with left ventricular remodeling and NT-proBNP content can be used to evaluate the degree of left ventricular remodeling.
