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Correlation of left ventricular systolic function evaluated by strain rate imaging with computed tomography severity index in patients with acute pancreatitis

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Author:
No author available
Journal Title:
World Chinese Journal of Digestology
Issue:
8
DOI:
10.11569/wcjd.v26.i8.524
Key Word:
超声心动描记术;应变率;急性胰腺炎;心功能;CT严重度指数

Abstract: 目的 运用超声应变率成像技术(strain rate imaging,SRI)评估急性胰腺炎(acute pancreatitis,AP)患者的左心收缩功能,并探讨其与CT严重度指数(computed tomography severity index,CTSI)评分的相关性.方法 选取浙江医院收治的74例AP患者作为研究对象,根据不同严重程度分为:水肿型AP组(A组,43例)和出血坏死型AP组(B组,31例),另选45例健康体检者作为正常组,所有研究对象均接受SRI检查、CT检查及血浆脑钠肽前体(brain natriuretic peptide precursor, BNP-pro)水平测定,记录相关参数作比较分析,结果 B组CTSI评分明显高于A组,差异有统计学意义(P<0.05);B组血浆BNP-pro水平明显高于A组及正常组,而左心射血分数(left ventricular ejective fraction,LVEF)、二尖瓣口水平舒张期血流频谱E峰与A峰比值(mitral e peak and a peak ratio,E/A)、左心室平均收缩期峰值应变率(mean of systolic strain rate peak,mSRs)约明显低于A组及正常组,差异均有统计学意义(均P<0.05);A组血浆BNP-pro水平明显高于正常组,而mSRs明显低于正常组,差异均有统计学意义(均P<0.05); AP患者的mSRs分别与血浆BNP-pro水平、CTSI评分呈负相关性(r=-0.825,r=-0.775,均P<0.05).结论 SRI能准确评估AP患者左心收缩功能变化,且与CTSI具有良好相关性,有助于评估患者的病情严重程度,为临床治疗提供参考.

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