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A 2. 5～5. 5 MHz transducer was used according to the acoustic depth of the heart examined. Group B was used x-ray fluoroscopy (a Philip mono-rotatable C arm X-ray equipment) as image guide with routine method reported by american college of cardiology cardiovascular technology assessment committee. TTE guiding CSC in site: The guide wire was inserted into left subclavicular vein and inferior vena cava and it was displayed clearly by TTE. The sheath could be displayed clearly too by TTE. CSC was put through the sheath into right atrium in prone position and was thoroughly showed by TTE via untypical parasternal four-chamber view.

本研究对60例心内电生理检查患者，应用TTE作为影像学引导的可行性和临床应用的方法学进行了探讨，并对5只犬TEE引导射频导管消融术时大头电极导管到位的可行性进行了动物实验研究，具体为：(1)专用冠状窦电极导管置放时TTE引导的可行研究；(2)普通电极导管置放时TTE引导的可行研究；(3)专用冠状窦电极导管和普通冠状窦电极导管置放时TTE的对比研究：(4)TTE引导His束电极导管和右室电极导管到位的临床应用研究；(5)TTE在心内电生理检查中的应用研究；(6)TEE引导射频导管消融术大头电极导管到位的实验研究。

Later, under the untypical parasternal four-chamber view which can thoroughly display the ostium of coronary sinus, the catheter was promoted further to the ostium of coronary venous sinus. Then the echocardiography technician adjusted the transducer of TTE in order to thoroughly confirm the position of the catheter tip. After confirming the position of catheter tip in the coronary venous sinus, the operator inserted the catheter into the coronary venous sinus for 3～4 mm farther. It was noted that if resistance was encountered by operator, the operation must be stopped, which was the same as x-ray fluroscopy as image guiding. TTE guiding His bundle elactric cahteter、high right atrium electric cahteter and right ventricular electric catheter in site: It is difficult using TTE singly since there are too many crossroads in inferior venous.

本研究结果显示，(1)单独应用TTE作为影像学引导进行冠状窦电极导管置放的成功率为93.8％～96.7％，并且应用TTE作为影像学引导放置专用冠状窦电极导管和普通电极导管的成功率和放置时间在统计学上无显著差异；(2)TTE作为影像学引导，除过度肥胖患者外，可完全替代X线引导进行冠状窦电极导管置放，包括鞘管和扩张管的放置、指引导丝在静脉而非动脉内的证实均可由TTE完成引导，且较X线C型臂有一定优越性；(3)TTE结合普通X线胃肠透视机作为影像学导引，可顺利完成心内电生理检查时导管的安全到位，而不需昂贵的X线C型臂，可将心内电生理检查扩大到广大的基层医院；(4)TTE较X线更易和更早期发现介入治疗的并发症如急性心包填塞等，对并发症的防治甚至挽救病人的生命至为重要；(5)动物实验研究表明，TEE可引导射频导管消融术时大头电极导管成功到位。

Methods The present study is a randomized comparative clinical trial. 607 healthy parous women were randomly allocated into GyneFix IN group (n=302) or TCu 380A group (n=305). IUD was inserted during the menstrual interval by the trained investigators. Follow-up were arranged at 1,3,6 and 12 months after insertion. The discontinuation rates were calculated by life table method.

采用随机对比性多中心临床研究方法，对607例健康经产妇女由经过培训的专人以随机方法于月经间期放置GyneFix IN IUD 320例(GyneFix IN组)及TCu 380A IUD 305例(TCu 380A组)，于放器后1、3、6和12个月随访，以生命表法统计两种IUD的终止情况。

Healthy parous women were randomly allocated into GyneFix IN group (n=302) or TCu 380A group (n=305). IUD was inserted during the menstrual interval by the trained investigators. Follow-up were arranged at 1,3,6 and 12 months after insertion. The discontinuation rates were calculated by life table method. Results At the end of the first year, there was no pregnancy occurred in GyneFix IN group.

采用随机对比性多中心临床研究方法，对607例健康经产妇女由经过培训的专人以随机方法于月经间期放置GyneFix IN IUD 320例(GyneFix IN组)及TCu 380A IUD 305例(TCu 380A组)，于放器后1、3、6和12个月随访，以生命表法统计两种IUD的终止情况。

The hairs were placed in capsules and inserted into the core of the nuclear reactor in Pavia .

这些头发被放进一只胶囊容器并塞进在帕维亚的一个核反应器中心。

Watermark is inserted into perceptually significant Krawtchouk moments of original, and watermark based on Krawtchouk moments is local.

水印信号嵌入到图像的低阶Krawtchouk矩中，这种基于Krawtchouk矩的水印算法是局部水印技术。

Methods Sixteen patients' arteries were percutaneously inserted and the stents were set in the lesion coronaries based on the routine treatment.

方法急性冠脉综合征病例16例，在常规治疗的基础上行PCI。

The most common microbes causing infections in percutaneously inserted uncuffed catheters are, in order of prevalence, coagulase-negative staphylococci, Staphylococcus aureus, Candida species, and enteric gram-negative bacilli.

根据患病率的高低，引起经皮插入的无气囊导管感染的最常见的微生物排序如下：凝固酶阴性葡萄球菌、金黄色葡萄球菌、念珠菌属菌种和肠道革兰氏阴性细菌。

A central venous catheter was inserted for hemodynamic monitoring and blood transfusion. Cardiac tamponade occurred secondary to perforation of the superior vena cava by the central venous catheter. The patient's hemodynamic status became stable after pericardiocentesis. One week later she was discharged with no sequelae during the three month follow-up.

患者术后装置中央静脉导管以利於血行动力的评估及输血，病患进行中央静脉导管术时因上腔静脉穿刺破裂导致心包膜填塞及休克，经紧急照会心脏科医师后立即给予心包膜穿刺术，术后患者血压渐趋稳定情况好转於一星期后出院，经过三个月的追踪亦无后遗症。

Stamens 5 to numerous, free or inserted in perigone tube.

雄蕊5到多数，离生或着生于花被筒部。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。