DHCA

Use the improved "four-vessel method" to produce global cerebral ischemia model of DHCA rates.

采用改良的四血管法制作DHCA大鼠全脑缺血模型。

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Methods The rabbit model of CPB and DHCA was established by using in vivo cerebral microdialysis.

方法建立应用脑微透析技术的兔CPB和DHCA模型。

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Group 2: DHCA for 45 min with retrograde perfusion via SVC;

2组DHCA45min，经上腔静脉逆行脑灌注；

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The Effects of Different Protective Methods with DHCA to the Concentration of Neuron Dissociative Calcium

不同脑保护方法对神经元钙离子浓度的影响

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The escalation was higher in DHCA group than CPB group ( P < 0.01).

DHCA组在恢复循环早期明显升高（P<0.05），升高程度DHCA组明显高于CPB组（P<0.01）。

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Conclusions DHCA and RCP is a safe and effective method for the surgery of ascending aorta and aortic arch aneurysm. The surgical types depend on the location of intimal tear in acute type A dissection.

结论DHCA和RCP技术是手术治疗升主动脉和弓部瘤的安全、有效方法，急性A型夹层动脉瘤的手术方式取决于内膜破裂口的位置；

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The clinical application of DHCA in neonates and infants with complex congenital heart disease

深低温停循环在新生儿及婴儿复杂先心病手术中的应用

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Group I ( DHCA group): regular CPB with temperature reduced to 20 ℃, then circulation is arrested for 45 min and 90 min respectively.

组Ⅰ（单纯深低温停循环组）体外循环降温至肛温20℃时停循环45min、90min。

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