急性和慢性二尖瓣反流患者B型利钠肽与超声心动图指标的关系研究  被引量:1

Relationship between Brain Natriuretic Peptide Level and Echocardiographic Parameters in Patients with Acute or Chronic Mitral Regurgitation

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作  者:刘丹[1] 刘晓阳[2] 

机构地区:[1]大连医科大学附属大连市第三人民医院心内科,辽宁省大连市116031 [2]大连医科大学附属大连市第三人民医院神经内科,辽宁省大连市116031

出  处:《中国全科医学》2013年第19期2248-2251,共4页Chinese General Practice

摘  要:目的探讨急性和慢性二尖瓣反流(MR)患者血浆B型利钠肽(BNP)水平及其与超声心动图指标的关系。方法选择2010年1月—2012年10月在大连市第三人民医院心血管内科住院的中至重度孤立性器质性MR患者56例,根据美国超声心动图协会MR诊断标准将其分为急性MR组25例和慢性MR组31例,对两组患者的一般临床资料、超声心动图指标及血浆BNP水平进行比较分析。结果急性MR组、慢性MR组的左心室射血分数(LVEF)、左心室收缩末期容积(LVESV)、左心室收缩末期内径(LVESD)、左心室舒张末期内径(LVEDD)、左心房容积(LAV)、有效反流面积(ERO)、lnBNP分别为(70.5±5.8)%比(59.3±5.2)%、(40.8±24.3)ml比(65.4±30.5)ml、(34.8±7.2)mm比(39.1±8.7)mm、(50.6±6.2)mm比(59.3±6.7)mm、(90.4±32.1)ml比(114.1±38.2)ml、(5.1±1.3)cm2比(4.4±1.2)cm2、(4.9±0.4)ng/L比(5.5±0.5)ng/L。急性MR组与慢性MR组比较,LVEF、ERO升高,LVESV、LVESD、LVEDD、LAV、lnBNP降低,差异均有统计学意义(P<0.05)。多因素分析显示,急性MR组lnBNP水平与二尖瓣舒张早期血流速度峰值/二尖瓣环舒张早期运动速度(E/Ea)(β=0.50,P=0.002)、LAV(β=0.38,P=0.015)呈正相关,慢性MR组lnBNP水平与肺动脉收缩压(SPAP)(β=0.60,P=0.002)呈正相关,与LVEF(β=-0.36,P=0.039)呈负相关。结论尽管急性MR反流程度较重,但血浆BNP水平较低,BNP与E/Ea、LAV呈正相关,这是本研究的重要发现。Objective To investigate the relationship between level of plasma brain natriuretic peptide (BNP) and echocardiographic parameters in patients with acute and chronic mitral regurgitation (MR) . Methods Totally 56 inpatients with isolated moderate - to - severe MR from January 2011 to October 2012 in our hospital were enrolled. According to the criteria of diagnosing MR by American Society of Echocardiography, 25 patients were classified as acute MR group and 31 patients as chron- ic MR group. The general classic data, echoeardiographic parameters, and of plasma BNP levels of the patients in the two groups were comparatively analyzed. Results The values of left ventricular ejection fraction (LVEF) , left ventricular end - systolic volume (LVESV) , left ventricular end - systolic diameter (LVESD) , left ventricular end - diastolic diameter (LVEDD) , left atrial volume (LAV) , effective regurgitant orifice area (ERO) , and InBNP in acute MR and chronic MR groups were respectively (70.5±5.8)% and (59.3 ±5.2)%, (40.8 ±24.3) ml and (65.4 ±30.5) ml, (34.8±7.2) mm and (39.1±8.7) mm, (50.6±6.2) mmand (59.3±6.7) mm, (90.4±32.1) ml and (114.1±38.2) ml, (5.1±1.3) cm2 and (4. 4 ± 1.2) em2, (4. 9 ±0. 4) ng/L and (5.5 ±0. 5) ng/L. Statistical analyses showed that, compared with chro- nic MR group, in the acute MR group the levels of LVEF and ERO were significantly increased in acute group ; while the level of LVESV, LVESD, LVEDD, LAV and lnBNP decreased significandy ( P 〈 0. 05 ). The multiple linear regression analysis showed that, in the acute MR group the lnBNP level was positively correlated with mitral annular inflow peak velocity/mitral annular velocity in early diastole (E/Ea) (/3=0.50, P=0.002) and LAV (fl=0.38, P=0.015); while in chronic MR group the lnBNP level was correlated with systolic pulmonary artery pressure (SPAP) positively (/3 = 0. 60, P = 0. 002 ), and with LVEF negatively (/3 =

关 键 词:二尖瓣反流 超声心动描记术 利钠肽  

分 类 号:R542.51[医药卫生—心血管疾病]

 

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