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Methods 56 patients were divided into 2 groups:Preoperative regional intra-arterial chemotherapy group(treatment group,28 cases)and non-preoperative chemotherapy group(control group,28 cases).

方法将56例晚期乳腺癌患者随机分为治疗组和对照组，各28例。

Diagnosis, degree of preoperative lordosis in the neutral position, and degree of preoperative sagittal alignment in flexion and extension were studied as risk factors for postoperative kyphosis.

诊断，术前中立位前凸角度和屈曲、伸展位矢状位序列成角被研究作为术后后凸畸形的危险因素。

Results Preoperative MRI classification indicated: intact annuals in 82 levels, annuals tear with intact PLL in 123 levels, PLL tear in 70 level, free protruded mass under PLL in 48 levels; on the other hands, the amount of annuals tear and free protruded mass under PLL introoperative observation were more than that preoperative MRI indicated: intact annuals in 38 levels, annuals tear with intact PLL in 165 levels, PLL tear in 62 level, free protruded mass under PLL in 63 levels; dural sac penetration in 2 levels.

结果： MRI术前分型：纤维环完整者81个椎间隙、纤维环破裂后纵韧带完整者123个椎间隙、后纵韧带破裂者70个椎间隙、髓核后纵韧带后方游离者48个椎间隙。手术发现纤维环破裂数量以及后纵韧带后方游离髓核片数量明显高于MRI的提示：纤维环完整型38个椎间隙、纤维环破裂后纵韧带完整165个椎间隙、后纵韧带破裂髓核疝62个椎间隙、后纵韧带后方游离髓核63个椎间隙、硬膜囊下疝2个椎间隙。

The mean range of motion was improved from preoperative 84°(40°-95°) to postoperative 104°(80°-120°); the mean preoperative Knee Society Scores were increased from preoperative 39 scores (10-67 scores) to 87(10-100), and the function was improved from 38 scores (0-60 scores) to postoperative 76(20-100). Alignment was obtained in 31 knees, with well localized femoral and tibial prostheses. The tibial prosthesis of 1 case developed inadequate retroversion; of 2 cases remained 2°-3° inversion; non-progressive radiolucent zone was found between tibial prosthesis and bone interface of 1 case.

膝关节活动度从置换前平均84°(40°~95°)增加到置换后平均104°(80°~120°)，膝关节评分从置换前平均39分（10~67分），提高到随访时平均87分（10~100分），功能评分从置换前平均38分（0~60分）提高到随访时平均76分（20~100分）。31膝获得肢体的良好对线，股骨及胫骨假体位置良好。1例胫骨假体后倾不足，2例胫骨假体残留2°~3°内翻，1例胫骨假体与骨组织界面存在非进展性透亮带。

Result:Among total of 80 cases with non-visualized kidney in IVP,renal parenchyma of 37 cases were non-visualized under ~(99m)Tc-DTPA renography,GFR was 0 ml/min,32 cases carried out nephrectomy;Renal parenchyma of the rest 43 cases were visualized under ~(99m)Tc-DTPA renography,GFR were(20.03±9.64) ml/L,among them 9 cases were carried out nephrectomy, 34 cases received kidney-sparing operation;The 34 cases(divided into 4 groups according to range of GFR) recheck ~(99m)Tc-DTPA renography 2 months later after the operation,Preoperative GFR within(1～10) ml/min,GFR were(4.25±2.99) ml/min,postoperative GFR were(4.00±2.94) ml/min,t=0.522,P＞0.05,indicated no significant change of GFR after the operation; Preoperative GFR within(11～20) ml/min、(21～30) ml/min、(31～40) ml/min groups, preoperative GFR were(15.38±2.63) ml/min、(24.83±2.92) ml/min、(34.25±2.75) ml/min, postoperative GFR were(17.77±3.79) ml/min、(29.42±3.90) ml/min、(40.25±3.50) ml/min respectively,paired t-test,P＜0.05,indicated that 2 months\' postoperative GFR increased significantly,the function of kidneys recovered in some degree.

结果：在80例IVP不显影患肾中，37例患肾在~(99m)Tc-DTPAI肾动态显像上肾实质不显影，GFR为0 ml/min，其中32例行患肾切除；43例患肾在~(99m)Tc-DTPA肾动态显像上肾实质显影，GFR为(20.03±9.64)ml/L，其中9例行患肾切除，34例行保留肾手术；34例保留患肾手术者(根据术前GFR在不同值范围分为4组)在术后2个月返院复查~(9m)Tc-DTPA肾动态显像，GFR值在(1～10)ml/min组(5例)，术前GFR为(4.25±2.99)ml/min，术后2月GFR为(4.00±2.94)ml/min，t=0.522，P＞0.05，表明术后GFR无明显变化；术前GFR在(11～20)ml/min(13例)、(21～30)ml/min(12例)、(31～40)ml/min组(4例)，术前GFR分别为(15.38±2.63)ml/min、(24.83±2.92)ml/min、(34.25±2.75)ml/min，术后2月复查GFR分别为(17.77±3.79)ml/min、(29.42±3.90)ml/min、(40.25±3.50)ml/min，经配对t检验，P＜0.05，有统计学意义，术后2月GFR较术前增高，肾功能有不同程度的恢复。

The following data were recorded: age, weight, preoperative pulmonary infiltrates, preoperative mechanical ventilation, evidence of increased PBF before surgery, duration of CPB, duration of aortic cross-clamp, duration of deep hypothermic circulatory arrest, use of steroids, and volume of ultrafiltrate removed.

同时记录下列数据：年龄，体重，术前肺浸润，术前机械通气及 PBF 增加的表现， CPB 时间，主动脉阻断时间，深低温停循环时间，类固醇使用和超滤液容量。

Dynamic respiratory compliance and total respiratory resistance were measured before surgical incision, after sternal closure in the operating room, and after arrival in the intensive care unit. The following data were recorded: age, weight, preoperative pulmonary infiltrates, preoperative mechanical ventilation, evidence of increased PBF before surgery, duration of CPB, duration of aortic cross-clamp, duration of deep hypothermic circulatory arrest, use of steroids, and volume of ultrafiltrate removed.

分别在麻醉诱导后、手术结束关胸后和返回ICU后3个时间点测定患儿的肺动态顺应性和全肺阻力，并记录患儿年龄，体重，术前胸片浸润性改变情况，术前机械通气情况，术前肺血流量增高情况，体外循环时间，主动脉阻闭时间，深低温停循环时间和体外循环中超滤量等参数。

objective to evaluate the role of mr perfusion weighted imaging in preoperation diagnosis of meningiomas.methods mr perfusion weighted images was performed in 47 patients with meningiomas followed by conventional imaging.results the mean rcbv values of angioblastic was the highest in the parenchyma of tumor.the mean rcbv values of malignant group was the lowest.the biggest mean rcbv values among different type meningiomas was statistically significant.the biggest mean rcbv values between benign and malignant group meningiomas was statistically significant,but not in the peri-tumor edema.conclusion the rcbv values were useful in the preoperative differentiation diagnosis of different types of meningiomas.those in the peri-tumor edema were useless in the preoperative differentiation diagnosis of different types of meningiomas.

目的 探讨磁共振灌注成像技术对脑膜瘤术前分型及良恶性鉴别的临床应用价值。方法对47例脑膜瘤病人行mr灌注成像检查，对5种亚型的良性脑膜瘤的mr灌注成像进行分析，并与非典型性及恶性脑膜瘤进行比较。结果血管瘤型脑膜瘤实质部分的rcbv值均数最高，恶性组脑膜瘤的rcbv值均数最低。各亚型间瘤体实质最大rcbv值均数间差异有统计学意义(p＜0.05)，良恶性脑膜瘤实质部分最大rcbv值均数间差异有统计学意义(p＜0.05)。瘤周水肿区的rcbv值均数间差异无统计学意义(p＞0.05)。结论 rcbv值对脑膜瘤术前分型及良恶性鉴别有所帮助，而瘤周水肿区的rcbv值对脑膜瘤分型及良恶性鉴别未显示临床实用价值。

Methods: form january 1995 to january 2005, 42 patients with acute respiratory failure (acute respiratory failure group) and 84 random sampling after esophagectomy and cardiectomy were studied. age, sex, smoke index, preoperative respiratory function, preoperative pulmonary and the other complications, hypoproteinemia, the site of anastomosis, duration of operation, postoperative analgesia, postoperative other complications were compared by logistic regression analysis.

将1995年1月～2005年1月期间食管癌、贲门癌术后发生arf的42例患者临床资料，与按1∶2比例随机抽取的同期手术后未发生arf的84例食管癌、贲门癌患者的资料做对照，应用logistic回归分析比较两组患者的年龄、性别、吸烟指数、术前肺功能、术前有无肺部合并症和其它合并症、术前有无低蛋白血症、吻合口位置、手术时间、术后是否镇痛、术后有无其它并发症等与术后发生arf的相关强度，推测可能导致术后arf发生的危险因素。

Results Recurrence and metastasis in surgery, full-dose preoperative intracavitary irradiation, non full-dose preoperative intracavitary and radiotherapy alone groups were 19.8%, 8.1%, 22.2% and 34.6%, respectively. The recurrent rates of vaginal stump were 6.2%, 1.6%, 11.1% and 11.5%, respectively. The rates of proctitis and cystitis in full dose preoperative intracavitary irradiation group were 3.2% and 3.2%, 2.8 and 0.0% in non-full dose preoperative intracavitay irradiation group, and 0.0% and 3.8% in radiotherapy alone group.

结果手术组、术前腔内全量放疗组、术前腔内非全量放疗组及单纯放疗组的总复发转移率分别为19.8％、8.1％、22.2％、34.6％，其中阴道残断复发率分别为6.2％、1.6％、11.1％、11.5％；放疗并发症中，放射性直肠炎、膀胱炎的发生率，术前腔内全量放疗组均为3.2％，术前腔内非全量放疗组分别为2.8％、0.0％，单纯放疗组分别为0.0％、3.8％。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。