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  • Chen, Jianxin  (2)
  • 1
    In: Evidence-Based Complementary and Alternative Medicine, Hindawi Limited, Vol. 2013 ( 2013), p. 1-8
    Abstract: Objective . To explore new diagnostic patterns for syndromes to overcome the insufficiency of obtainable macrocharacteristics and specific biomarkers. Methods . Chinese miniswines were subjected to Ameroid constrictor, placed around the proximal left anterior descending branch. On the 4th week, macrocharacteristics, coronary angiography, echocardiography, and hemorheology indices were detected for diagnosis. IL-1, IL-6, IL-8, IL-10, TNF- α , and hsCRP in serum were detected, and Decision Tree was built. Results . According to current official-issued standard, model animals matched the diagnosis of blood stasis syndrome with myocardial ischemia based on findings, including 〉 90% occlusion, attenuated left ventricular segmental motion, dark red or purple tongues, and higher blood viscosity. Significant decrease of IL-10 and increase of TNF- α were found in model animals. However, in the Decision Tree, besides IL-10 and TNF- α , IL-8 helped to increase the accuracy of classification to 86%. Conclusions . The Decision Tree building with TNF- α , IL-10, and IL-8 is helpful for the diagnosis of blood stasis syndrome in myocardial ischemia animals. What is more is that our data set up a new path to the differentiation of syndrome by feature patterns consisting of multiple biomarkers not only for animals but also for patients. We believe that it will contribute to the standardization and international application of syndromes.
    Type of Medium: Online Resource
    ISSN: 1741-427X , 1741-4288
    Language: English
    Publisher: Hindawi Limited
    Publication Date: 2013
    detail.hit.zdb_id: 2148302-4
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  • 2
    In: Circulation Research, Ovid Technologies (Wolters Kluwer Health), Vol. 113, No. suppl_1 ( 2013-08)
    Abstract: Background and Objective: Inflammation was one of the most important pathophysiological processes during myocardial ischemia. However, it is still poorly understood about the possibilities of these pro- or anti-inflammation factors be used as prognostic parameters for subsequent attenuation of heart functions. Methods and Results: Chinese experimental mini swines (25±4 kg) were instrumented with a size-matched Ameroid constrictor on the left anterior descending branch (LAD) under general anesthesia in sterile conditions (N=15). And a sham group (N=6) was included. 4 weeks after thoracotomy, more than 90% occlusion of the LAD was proved by coronary angiography. Early stage of ischemia was found by echocardiography which showed focal ischemia in the anterior wall of left ventricular (from apex to papillary muscle level) and unchanged ejection fraction. Meanwhile, Enzyme-linked immunosorbent assay of serum showed that IL-8 (86.83 ±10.96 vs. 130.3 ±10.94-pg/ml, P =0.0322) and IL-10 (0.9619 ±0.1421 vs. 1.660 ±0.1607-pg/ml, P =0.0111) were dramatically decreased compared to sham group, while no significant changes were found in IL-1 (0.3075 ±0.03558 vs. 0.3045 ±0.057371 -ng/ml, P = 0.9643), IL-6 (307.7 ±27.81 vs. 315.8 ±23.07-pg/ml, P =0.8637), high sensitivity C reactive protein (hsCRP) (12.94 ±1.324 vs. 9.943 ±1.442-ng/ml, P =0.2087) and TNF-a(1.769 ±0.1467 vs. 1.260 ±0.3209-ng/ml, P =0.1121). Furthermore, 8 weeks after thoracotomy, ejection fraction(EF) of myocardial ischemia animals were dramatically attenuated (44.69 ±4.494 vs. 60.60 ±3.420-%, P =0.0428). Subsequent EF (8 weeks postoperation) showed a good linear regression with the IL-10 and hsCRP concentration in the early stage of myocardial ischemia (4 weeks postoperation) (EF= 0.525+ 0.132* IL-10- 0.015* hsCRP, P =0.001) when stepwise regression was performed with all inflammation related factors above as dependent variables. Conclusion: These results demonstrate that lower IL-10 and higher hsCRP in serum may be predictors for the attenuation of heart function caused by myocardial ischemia. Further Clinical trials may help to prove the efficiency of these novel insights of prognosis for ischemia heart diseases.
    Type of Medium: Online Resource
    ISSN: 0009-7330 , 1524-4571
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2013
    detail.hit.zdb_id: 1467838-X
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