术前

In the experimental group, guide pin was affirmed to be in the zone of necrosis according to preoperative X-ray and 2-dimensional CT, and then drilled with the hollow drill for the injected of cell suspension into the 5 mm under subcartilaginous bone of femoral head with 50 mL injector.

在C臂X光透视机引导下用2~3枚1.5 mm导针钻入，对照术前X线和二维CT反复确认坏死病灶后，以3 mm空心钻钻入，于骨坏死区的股骨头软骨下骨5 mm处用50 mL注射器将浓缩的细胞悬液缓慢注入股骨头内。

Evaluation of the Right Ventricular Outflow Tract in Children with Tetralogy of Fallot by Two-dimensional Echocardiography Using A New Subcostal View Preoperative evaluation of the right ventricular outflow tract in Tetralogy of Fallot is extremely important for surgical correction.

Ⅰ、2DE剑下新切面评价儿童四联症右室流出道梗阻程度的研究术前准确评价四联症右室流出道病变对外科手术非常重要，本文报告二维超声心动图(2DE)剑下新断面评价21例儿童四联症(年龄：2--13岁，平均6岁)的右室流出道的价值。

Methods TVUS B mode and CDE findings were reviewed and comfirmed by operation and pathology in 84 cases of uterine endometrial polyps and 29 cases of submucous myoma.

对本院 1997年 12月至 1999年 10月病理证实的 84例 85个黏膜下肌瘤与 2 9例 30个内膜息肉的术前TVUS及CDE作回顾性对照分析。

The semen analysis prior to treatment reealed that none of the men had normally shaped sperm and 213 of the men had subnormal sperm counts or sperm motility.

术前的精液分析显示所有人都没有正常形态的精子，且有213人精子计数和精子活性低于正常。

Accordingly, an internist or medical subspecialist should be consulted regarding the advisability of surgery at a particular moment in time whenever the stability of a patient's medical condition is questionable.

不论是住院或门诊准备手术病人都执行术前相同的规则和标准进行评估。

The patency of reconstruction of SSS were observed by digital substruction angiography and trans-cranial Doppler ultrasonic pre- and post-operation 1,2,4 and 8 weeks, respectively.

通过数字减影矢状窦造影和经颅多普勒分别检测术前并比较术后1、2、4和8周重建上矢状窦的通畅性，同时观察了组织学和超微结构。

Methods Thirty adult patients,ASA grade Ⅰ～Ⅱ,scheduled for selective craniotomy,were randomly allocated to receive intravenous infusion of hypertonic saline,succinyl gelatin,or Lactate Ringer's,with 10 cases in each group.

方法30例择期行开颅手术患者，ASAⅠ~Ⅱ级，随机分为高渗盐水组、琥珀酰明胶组和乳酸钠林格氏液组，每组10例，术前缓慢放血，放血量以放血后血细胞比容不低于25%为原则，三组于放血同时分别输入HS、GEL和LR维持正常血压。

Cases had well controlled blood pressure to the operational requirements; 2 didn＇t have well-controlled pressure, but without severe supervention.

结论术前通过药物降压、饮食控制、心理护理、有效止痛及保证充足的睡眠可有效控制血压，保证手术顺利进行。

In those who had less than 15° improvement in flexion and extension, their average duration from initial injury to operation was 16.9 months, and their pronation and supination was 50°.

肘关节僵硬的发生受多种因素影响松解手术疗效与术前前臂旋转活动度及手术即外伤时间有关。

Similarly, the current real estate development for non-standard pre-operation also affected the prices surreptitiously.

同样，目前房地产开发非标准术前也影响了价格秘密。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。