血管紧张素原基因M235T变异与冠心病的关系

研究血管紧张素原基因Ｍ２３５Ｔ分子变异与中国人冠心病发生的关系。方法采用多聚酶反应，限制性片段长度多态性分析，对７６例ＣＨＤ患者和７６例无ＣＨＤ语气的对照组进行ＡＧＴ基因Ｍ２３５Ｔ等痊基因检测。结论中国人ＡＧＴ基因Ｍ２３５Ｔ分子变异与ＣＨＤ显著相关，ＡＧＴ基因２３５ＴＴ型可能是ＣＨＤ的重要危险因素之一。     

肾素-血管紧张素系统基因多态性与原发性高血压之间的关系

目的通过检测肾素－血管紧张素系统（ＲＡＳ）两个重要成分血管紧张素原（ＡＧＴ）及血管紧张素转换酶（ＡＣＥ）基因在正常人及原发性高血压患者中的频率分布，阐明ＡＧＴ和ＡＣＥ基因在高血压的发病作用。方法对两组对象进行血压、身高、体重及空腹血脂、血糖的测定。用饱和盐析法常规提取ＤＮＡ。采用多聚酶链反应（ＰＣＲ）结合限制性内切酶方法检测ＡＧＴ的两种等位基因—Ｍ２３５Ｔ与Ｔ１７４Ｍ的突变；ＰＣＲ扩增后直接电泳检测ＡＣＥ基因多态性。结果（１）Ｍ２３５Ｔ等位基因突变频率在高血压组中比正常对照组高（０．４５ｖｓ０．３２，Ｐ＜０．０５），尤其在男性高血压患者与男性对照组中差别更为明显（Ｐ＜０．０１）；Ｔ１７４Ｍ及ＡＣＥ等位基因频率在两组人群中分布没有差别。（２）在有家族史的高血压患者中，ＡＣＥＤ等位基因频率高于正常对照组（０．５８ｖｓ０．４３，Ｐ＜０．０５），Ｍ２３５Ｔ突变基因型（ＴＴ型）高于正常对照组（４２．１％ｖｓ１８．８％，Ｐ＜０．０５）。结论（１）Ｍ２３５Ｔ基因突变与高血压患者密切相关。ＡＧＴ基因变异对男性高血压影响更大。Ｔ１７４Ｍ基因突变与ＥＨ之间不存在相关性。ＡＣＥ基因多态性与高血压无关。（２）在有家族史的高血压患者     

Ｈ 型高血压合并冠心病 ＭＴＨＦＲ 基因 Ｃ６７７Ｔ 多态性 与冠状动脉病变的分析

目的：探讨 Ｈ 型高血压合并冠心病病人亚甲基四氢叶酸还原酶（ＭＴＨＦＲ）Ｃ６７７Ｔ 基因多态性、血清 同型半胱氨酸（Ｈｃｙ）与冠状动脉病变的关系。方法：选取 ２０１７－１０ ～ ２０１８－１１ 期间我院心内科诊断为 Ｈ 型高血 压合并冠心病病人 １２０ 例作为试验组,其中合并稳定型心绞痛（ＳＡＰ）４０ 例为 Ａ 组,合并不稳定型心绞痛（ＵＡＰ） ４２ 例为 Ｂ 组,合并急性心肌梗死（ＡＭＩ）３８ 例为 Ｃ 组,Ｈ 型高血压病人 ４０ 例作为对照 Ｄ 组,检测 ＭＴＨＦＲ Ｃ６７７ Ｔ 基因、血清同型半胱氨酸（Ｈｃｙ）,根据冠状动脉造影结果采用 Ｇｅｎｓｉｎｉ 评分法评估冠状动脉病变程度。结果：Ｈ 型高血压合并冠心病组 Ｈｃｙ ２５．３４±９．２５μｍｏｌ ／ Ｌ 较 Ｈ 型高血压组１６．４６±８．１２μｍｏｌ ／ Ｌ 明显增高。ＴＴ 型 Ｈｃｙ ３２．１４± １２．４４μｍｏｌ ／ Ｌ 较 ＣＴ 型２３．２６±１０．２７μｍｏｌ ／ Ｌ、ＣＣ 型１４．５２±８．２３μｍｏｌ ／ Ｌ 明显增高。Ｈ 型高血压合并冠心病组 ＴＴ 型 （３３％）、Ｔ 等位基因频率（５４％）较 Ｈ 型高血压组 ＴＴ 型（１８％）、Ｔ 等位基因频率（４０％）明显增高。ＴＴ 型 Ｇｅｎｓｉｎｉ 评分４１．５６± ４．４８明显高于 ＣＣ 型２８．４２ ± ３．２３,有统计学意义（Ｐ＜ ０．０５）。Ｂ 组 ＴＴ 型（３６％）、Ｔ 等位基因频率 （５６％）、Ｃ 组 ＴＴ 型（３７％）、Ｔ 等位基因频率（５８％）较 Ａ 组 ＴＴ 型（２８％）、Ｔ 等位基因频率（４９％）增高,有统计学 意义（Ｐ＜０．０５）。Ｂ 组、Ｃ 组 ＴＴ 型、Ｔ 等位基因频率无统计学意义（Ｐ＞０．０５）。结论：Ｈ 型高血压合并冠心病组 Ｈｃｙ 水平、ＴＴ 型、Ｔ 等位基因频率较 Ｈ 型高血压组明显增高。ＴＴ 型 Ｈｃｙ、Ｇｅｎｓｉｎｉ 评分明显增高。Ｂ 组、Ｃ 组 ＴＴ 型、Ｔ 等位基因频率较 Ａ 组增高,Ｂ、Ｃ 组 ＴＴ 型、Ｔ 等位基因频率无统计学意义。     

原发性高血压血管紧张素转换酶和血管紧张素原基因遗传倾向

目的探讨血管紧张素转换酶（ＡＣＥ）和血管紧张素原（ＡＧＴ）基因在原发性高血压中的遗传倾向。方法应用聚合 酶链反应－限制性长度多态及四角分析法检测并比较各组ＡＣＥ和ＡＧＴ基因多态的频数和优势比（９５％可信区间）。结 果ＡＣＥ基因ＤＤ／Ⅱ基因型及Ｄ／Ｉ等位基因在各组间均无差异（Ｐ＞０．０５）;而ＡＧＴ基因ＴＴ／ＭＭ及ＴＭ等位基因在高血 压父母与正常血压父母的正常血压子代者间存在显著差异（Ｐ＜０．０１）,优势比分别为１８．０（３．０９～１０４．９）和２．６９（１．６３～４．４５）, 其余组间无明显差异（Ｐ＞０．０５）。结论ＡＧＴ基因Ｍ２３５Ｔ突变具有明显的遗传倾向,可能是汉族人群易患高血压的候选 基因（遗传标志）。     

非胰岛素依赖型糖尿病患者红细胞膜ATPase活性改变及其影响因素

目的探讨非胰岛素依赖型糖尿病（ＮＩＤＤＭ）患者红细胞膜Ｎａ＋－Ｋ＋－ＡＴＰａｓｅ及Ｃａ２＋－ＡＴ－Ｐａｓｅ活性改变的影响因素。方法测定７７例ＮＩＤＤＭ患者和５０例正常人血糖、总胆固醇（ＴＣ）、甘油三酯（ＴＧ）、高密度脂蛋白胆固醇（ＨＤＬＣ）、脂质过氧化物（ＬＰＯ）、谷胱甘肽（ＧＳＨ）、糖化血红蛋白（ＨｂＡｌｃ）、超氧化物歧化酶（ＳＯＤ）、谷胱甘肽过氧化物酶（ＧＳＨＰＸ）、红细胞膜Ｎａ＋－Ｋ＋－ＡＴ－Ｐａｓｅ和Ｃａ２＋－ＡＴＰａｓｅ活性。ｔ检验、直线相关分析和多元逐步回归分析。结果ＮＩＤＤＭ组血糖、ＨｂＡｌｃ、ＴＣ、ＴＧ、ＴＣ／ＨＤＬＣ、ＬＰＯ显著高于对照组（Ｐ＜０．０１），ＨＤＬＣ、ＧＳＨ、ＳＯＤ、ＧＳＨＰＸ、红细胞膜Ｎａ＋－Ｋ＋－ＡＴＰａｓｅ和Ｃａ２＋－ＡＴＰａｓｅ活性低于对照组（除ＧＳＨ的Ｐ＜０．０５外，其他Ｐ＜０．０１）；不同ＨｂＡｌｃ、ＴＣ／ＨＤＬＣ、ＧＳＨ、ＬＰＯ、ＴＣ组的红细胞膜Ｎａ＋－Ｋ＋－ＡＴＰａｓｅ活性有显著性差别。红细胞膜Ｎａ＋－Ｋ＋－ＡＴＰａｓｅ活性＝１２．８０＋０．２７（ＧＳＨ）－０．１２（ＬＰＯ）－０．０９（ＴＣ／ＨＤＬＣ），红细胞胞膜Ｃａ２＋－ＡＴＰａｓｅ活性＝１０８．２０＋１．     

中国人内源性高甘油三酯血症载脂蛋白AⅠ基因多态性的研究

应用多聚酶链反应（ＰＣＲ）对７４例正常人及６９例内源性高甘油三酯血症（ＨＴＧ）患者载脂蛋白（ａｐｏ）ＡⅠ基因的限制性片段长度多态性（ＲｅｓｔｒｉｃｔｉｏｎＦｒａｇｍｅｎｔｓＬｅｎｇｔｈＰｏｌｙｍｏｒｐｈｉｓｍ，ＲＦＬＰ）进行了研究。检测的ａｐｏＡⅠ基因位点有：ＭｓｐⅠ（内含子３Ｃ－Ｇ突变）、ＸｍｎⅠ（５′非编码区）及ＰｓｔⅠ（３′非编码区Ｇ－Ｃ突变）。结果表明，ＨＴＧ组及对照组均以Ｍ１、Ｘ１及Ｐ１等位基因为主，大多数为Ｍ１Ｍ１、Ｘ１Ｘ１及Ｐ１Ｐ１纯和子基因型；少见的Ｍ２及Ｘ２等位基因频率显著高于欧洲白种人（０．２９３ｖｓ０．１１１，Ｐ＜０．００６及０．２８６ｖｓ０．１３０，Ｐ＜０．００４），而Ｐ２等位基因频率则未见差异（０．０７１ｖｓ０．０４６，Ｐ＞０．０５）。与对照组比较，除少见的Ｍ２等位基因频率ＨＴＧ组有增加趋势外（０．３５３ｖｓ０．２９３，Ｐ＞０．０５），其余则未见差异。在所研究的对象中，具有Ｍ２Ｍ２基因型者血清ａｐｏＣⅢ水平及ＴＧ／ＨＤＬ－Ｃ比值较Ｍ１Ｍ２及Ｍ１Ｍ１基因型者明显升高（Ｐ＜０．０３及Ｐ＜０．０４），血清ＴＧ、ＴＣ、ａｐｏＣⅡ及ａｐｏＥ水平有增加趋势。具有Ｐ１Ｐ２及Ｐ２Ｐ２基因型者，血清     

94例冠心病,93例糖尿病患者血脂及载脂蛋白分析

目的：探讨甘油三酯（ＴＧ）、载脂蛋白Ｂ（ＡｐｏＢ）与非胰岛素依赖型糖尿病（ＮＩＤＤＭ）和冠心病（ＣＨＤ）的关系。方法：对９４例ＣＨＤ、９３例ＣＨＤ＋ＮＩＤＤＭ患者及１００例正常人的血脂、脂蛋白及载脂蛋白进行分析对比，并对ＡｐｏＢ与ＣＨＤ的关系进行多因素ｌｏｇｉｓｔｉｃ逐步回归分析。结果：ＣＨＤ组及ＣＨＤ＋ＮＩＤＤＭ组与正常对照组比较，各项血脂均有显著性差异（Ｐ＜００１），ＴＧ、ＡｐｏＢ的异常检出率高于其它项血脂（Ｐ＜００５）；ＣＨＤ＋ＮＩＤＤＭ组与单纯ＣＨＤ组比较，ＴＧ、ＡｐｏＢ有显著性差异（Ｐ＜００１）；ＡｐｏＢ与ＣＨＤ发病危险呈密切正相关（ＯＲ＝１９６１，９５％可信区间１６８３１～２２４２２，Ｐ＝０００５７）。结论：在ＣＨＤ的发病因素中，脂质代谢异常起着极其重要的作用，其中ＴＧ、ＡｐｏＢ对于ＣＨＤ的判别价值优于其它项血脂，且ＮＩＤＤＭ患者ＣＨＤ发展加速的机制与ＴＧ、ＡｐｏＢ也密切相关。因此，应重视对ＣＨＤ、ＮＩＤＤＭ患者ＴＧ、ＡｐｏＢ的监测，并及时纠正脂质代谢紊乱，以降低ＣＨＤ的发病率和病死率。     

脑梗塞病人血浆LCAT活性与脂蛋白及红细胞膜脂质含量的关系

①目的探讨脑梗塞病人血浆卵磷脂－胆固醇酰基转移酶（ＬＣＡＴ）活性与脂蛋白及红细胞膜脂质含量的关系，②方法应用外加底物法铡定４８例脑梗塞病人和３６例健康人血浆ＬＣＡＴ括性，并检测血浆高密度脂蛋白胆固醇（ＨＤＬ－Ｃ）和亚组分（ＨＤＬ２－Ｃ，ＨＤＬ３－Ｃ）、低密度脂蛋白胆固醇（ＬＤＬ－Ｃ）、载脂蛋白Ａ－１和Ｂ（ａｐｏＡ－１，ａｐｏＢ）、红细胞膜胆固醇（ＲＢＣＭ－ＣＨ）和红细胞膜磷腊（ＲＢＣＭ－ＰＬ）的含量变化。③结果脑梗塞病人血浆ＬＣＡＴ活性、ＨＤＬ－Ｃ，ＨＤＬ２－Ｃ及ａｐｏＡ－１含量明显降低，血浆ＬＤＬ－Ｃ，ａｐｏＢ，ＲＢＣＭ－ＣＨ及ＲＢＣＭ－ＣＨ／ＲＢＣＭ－ＰＬ比值显著增高，与对照组比较差异有显著性（ｔ＝２．１４－３．２５，Ｐ＜０．０５，０．０１），血浆ＬＣＡＴ活性与ＨＤＬ－Ｃ，ＨＤＬ２－Ｃ及ａｐｏＡ－１呈正相关（ｒ＝０．３８４，Ｐ＜０．０１；ｒ＝０．２９８，Ｐ＜０．０５；ｒ＝０．３１９，Ｐ＜０．０５），而与ＬＤＬ－Ｃ，ＲＢＣＭ－ＣＨ呈负相关（ｒ＝－０．２９０，－０．３２３；Ｐ＜０．０５）。④结论脑梗塞病人脂质代谢异常与血浆ＬＣＡＴ活性降低有关。     

冠心病患者血浆纤维蛋白原及其亚组分浓度变化

检测了８５例ＣＨＤ患者及４５例健康者血浆纤维蛋白原总量及其亚组分浓度。结果显示：ＣＨＤ组ＴＦ显著高于ＣＧＣＰ（Ｐ０．０５），且以ＬＦ增高为著（Ｐ０．０１），ＨＦ仅在ＡＭＩ早期增高明显。相关分析：ＣＨＤ患者Ｆｇ含量除与年龄、吸烟显著相关（γ＝０．３１０，０．２６３，皆Ｐ０．０１）２外，与血浆脂蛋白及诸多危险因素均无相关性。结论：血浆Ｆｇ升高与ＣＨＤ绝对正相关，是ＣＨＤ的一个重要危险因素，是ＣＨＤ发病的重要原因     

冠心汤治疗前后冠心病病人血液过氧化反应及红细胞变形性的 …

为研究冠心汤对冠心病患者血液过氧化反应及红细胞变形性的影响，我们检测了冠心病患者使用冠心汤治疗前后红细胞ＳＯＤ，全血ＧＳＨ－Ｐｘ、ＣＡＴ活力，血浆ＡＯＡ和红细胞膜ＭＤＡ含及ＩＦ的变化，结果表明，冠心病患者ＳＯＤ、ＧＳＨ－Ｐｘ、ＣＡＴ活力及ＡＯＡ明显低于对照组（Ｐ〈０．０１），ＭＤＡ含量及ＩＦ明显高于对照组（Ｐ〈０．０１）。治疗后，ＳＯＤ、ＧＳＨ－Ｐｘ、ＣＡＴ活力明显高于治疗前（Ｐ〈０．０５），ＭＤ     

Value of D-Dimers in patients with acute aortic dissection

Objective: To evaluatel the value of D-dimers in patients with acute aortic dissection (AAD). Methods: This study consisted of 16 patients with AAD and 27 non-AAD patients. Serum D-dimets were measured by Sta-Liatest D-DI immunoturbidimetric assay. Results: D-dimer level was higher (P ＜ 0.001) in patients with AAD(7.91 ± 5.52 μg/ml) than that in non- AAD group(1.57±1.24 μg/ml). D-dimer was positive (＞0.4 μg/ml) in all patients with AAD and in 10 control group patients (37%). Among patients with acute AAD, D-dimers tended to be higher in Stanford A than in Stanford B (8.67 ± 4.31 μg/ml vs. 3.24±1.27 μg/ml, P ＜0.01). D-dimer values tended to be higher in more extended disease(3.84 ± 1.65 μg/ml, 8.57 ± 3.58 μg/ml and 11.87 ± 5.69 μg/ml in thoracic aorta, thoracic and abdominal aorta, thoracic and abdominal aorta and iliacal arteries, respectively, P ＜ 0.05 for both 8.57 ± 3.58 and 11.87 ± 5.69 vs. 3.84 ± 1.65 ). Including the control group into the analysis, we found a sensitivity of 100%, a negative predictive value of 100%, and a specificity of 66% and a positive predictive value of 64% for D-dimer in diagnosis of AAD in our patients with suspected AAD. Conclusion: D-dimer was elevated in patients with AAD. A negative D-dimer test result could be useful in excluding AAD.     

Research of combined liver-kidney transplantation model in rats

Objective： To set up a simple and reliable rat model of combined liver-kidney transplantation. Methods： SD rats served as both donors and recipients. 4℃ sodium lactate Ringer＇s was infused from portal veins to donated livers,and from abdominal aorta to donated kidneys, respectively. Anastomosis of the portal vein and the inferior vena cava （IVC） inferior to the right kidney between the graft and the recipient was performed by a double cuff method, then the superior hepatic vena cava with suture. A patch of donated renal artery was anastomosed to the recipient abdominal aorta. The urethra and bile duct were reconstructed with a simple inside bracket. Results： Among 65 cases of combined liver-kidney transplantation, the success rate in the late 40 cases was 77.5%. The function of the grafted liver and kidney remained normal. Conclusion： This rat model of combined liver-kidney transplantation can be established in common laboratory conditions with high success rate and meet the needs of renal transplantation experiment.     

BLOOD PRESSURE CHANGE WITH AGE IN SALT-SENSITIVE TEENAGERS

Objective To observe blood pressure change with age in salt-sensitive teenagers whose salt sensitivity were determined by repeated testing.Methods Salt sensitivity was determined through intravenous infusion of normal saline combined with volume-depletion by oral diuretic furosemide in 55 teenagers. After five years, salt sensitivity was re-examined and subject blood pressure was followed up. Blood pressure changes in salt-sensitive teenagers were compared to that of non-salt sensitive teenagers over five years.Results After 5 years, the repetition rate of salt sensitivity determined by intravenous saline loading is 92.7%. In teenagers with salt sensitivity on the baseline, both the systolic blood pressure increments and increment rates were much higher than non-salt sensitive teenagers (12.7±12.1 mmHg vs. 2.8±5.2 mmHg, P＜ 0.01; 12.2%± 12.0% vs. 2.5% ±4.4%, P＜ 0.001,respectively). There was a similar trend for diastolic blood pressure (8.4 ± 6.4 mmHg vs. 3.7 ± 6.4 mmHg, P = 0.052; 13.2% ±10.6 % vs. 6.8%± 10.1%, P = 0.053, respectively).Conclusions Salt sensitivity determined by intravenous saline loading showed good reproducibility. Blood pressure increments with age were much higher in salt-sensitive teenagers than non-salt sensitive teenagers, especially in terms of systolic blood pressure.     

安心颗粒对急诊经皮冠状动脉介入术后生活质量影响的研究

目的：评价使用安心颗粒对急诊经皮冠状动脉介入术（PPCI）术后生活质量的影响.方法：将160例接受PPCI的急性ST段抬高型心肌梗死患者随机分为安心颗粒组（术前顿服安心颗粒8.8g,术后安心颗粒4.4 g/次,每日2次）和对照组（仅接受基础药物治疗）.所有患者均服用阿司匹林、氯吡格雷和阿托伐他汀.分别在入院时、出院前1d、出院后180 d时,应用心肌梗死多维度量表（MIDAS）、中文版SF-36评价量表对患者生活质量评分.并观察术后30 d以内的出血并发症、血小板减少症发生情况.结果：入院时和出院前1d,两组患者的心肌梗死MIDAS、SF-36量表评分比较无差异（P＞0.05）;出院后180 d时,与对照组比较,安心颗粒组MIDAS、SF-36评分明显减低（P＜0.05）;组内与入院时比较,两组出院前1d、出院后180 d时,MIDAS、SF-36评分均降低（P＜0.05）.两组患者在随访期间均无大量出血、少量出血、重度和极重度血小板减少症发生,安心颗粒组有4例、对照组有7例发生不明显出血（P＞0.05）.两组发生轻度血小板减少症的患者数比较无差异（P＞0.05）.结论：PPCI使用安心颗粒,能改善急性ST段抬高型心肌梗死患者的生活质量,且不增加出血风险.     

The comparative studies of the influences of Urapidil and Nicardipine on sino-atrial node function, atrio-ventricular node function and hemodynamics

Objective:To investigate the influences of urapidil and nicardipine on rabbit sinus function,atrio-ventricular node function and hemodynamics.Methods:Thirty-two Angora's rabbits were selected and randomly divided into four groups.U1 group:urapidil 0.25 mg/kg;U2 group:urapidil 0.5 mg/kg;N1 group:nicardipine 10 μg/kg;N2 group:nicardipine 20 μg/kg.All these medicine were administrated within 30 seconds.Measurements were taken before and after the administration of urapidil or nicardipine for the following data:mean blood pressure(MAP),heart rate(HR),sino-atrial conduction time(SACT),maximal sinoatrial recovery time(SNRTmax)corrected sinus node recovery time(CSNRT),index of sinus node recovery time(SNRTI),Wenckebach A-V conduction frequency (WB),and P-R interval.Results:Significant MAP and HR changes were identified in all of the four groups before and after administration of both urapidil and nicardipine.No significant changes could be found in the rest of the parameters.Intergroup analysis showed that SACT and CSNRT of N1 and N2 groups were shorter than those of the U2 group(P＜0.01);the MAP decreased(P＜0.01)and the HR increased drastically(P＜0.01).Conclusions:Neither urapidil(0.25 mg/kg,0.5 mg/kg)nor nicardipine(10μg/kg,20μg/kg)has any significant influence on rabbit sinus function or rabbit atrio-ventricular node function.Nicardipine could be a better choice than urapidil for parafunctional sinus node patients.     

Expression of OPGmRNA and ODFmRNA in the patients of hip fracture due to osteoporosis

Objective：To investigate the gene expression of osteoprotegerin（OPG） and osteoclast differentiation factor（ODF） in the bone tissue of patients with hip fracture due to osteoporosis. Methods：OPGmRNA and ODFmRNA in the bone tissue in 50 cases of osteoporosis sufferers（over 50 years old） with hip fracture（Observer Group） and 30 cases of hip facture sufferers with no osteoporosis（Control group） were analyzed with the Semi-Quantitative RT-PCR method. Results：The mRNA expressed of ODF, OPG were both high in the patients with hip fracture. In the control group, the expression of OPG mRNA was observed, while the expression of ODF mRNA was very slight. Conclusion：Aged patients contained all signals including OPG, ODF that are essential for inducing osteoclastogenesis and promoting bone resorption.     

The clinicopathological and immuohistochemical analysis of solid-pseudopapillary tumor of the pancreas： report of 9 cases

Objective：To investigate the clinical features, pathological characteristics and immunophenotype of solid-pseudopapillary tumor of the pancreas（SPTP）. Methods：Nine surgically treated cases of SPTP were retrospectively reviewed. Hematoxylin and Eosin（HE） staining and immunohistochemical staining were used to analyze all cases, and the general clinical data was collected. Results：Six patients were asymptomatic except for a palpable mass. Two patients complained of vague-epigastric pain. One patient appeared jaundice. The tumor was encapsulated and solid tissues alternately with cystic tissues. Histologically, the histological structure of solid portion was pseudopapillary with a fibrovascular core. Tumor cells were uniform and medium-sized which were arranged in sheets ets or nests or pseudopapillary patterns. Immunohistochemical studies demonstrated that SPTP proved positive in vimentin（9/9 cases）, AAT（9/9 cases）, NSE（9/9 cases）, ACT（7/9 cases）, CK20（2/9 cases）, CgA（1/9 cases）, S-100（3/gcases）, PR（4/gcases）, Syn（3/9 cases） and CD56（5/9cases）, negative in CEA and ER. Conclusion：SPTP is a tumor predominantly occurring in young women frequently without special symptoms. This tumor has various characteristical histological patterns with different immunophenotype.     

Dynamic Changes in Serum Estradiol and Progesterone levels in Patients of Premenstrual Syndrome with Adverse Flow of Liver-qi

Objective:To probe into the influence of changes of ovarian hormones on the pathogenesis of the specific sub-type premenstrual syndrome(PMS)and reveal partial microcosmic mechanisms of adverse flow of liver-qi.Methods:Estradiol(E2)and progesterone(P)levels in serum were determined at different phases of menstrual cycle by radioimmunoassay.Results:In the group of PMS with adverse flow of liver-qi.the secretive peak value Of E2 and P at the follicular phase significantly decreased,and the secretive peak value at the luteal phase did not come into being.Conclusions:Low E2 and P secretive peak at the follicular phase and absence of secretive peak at the luteal phase is one of the microcosmic mechanisms of PMS with adverse flow of liver-qi.One of the pathophysiologic mechanisms of specific sub-type PMS is probably the continuous low level of E2and P.     

Real-time Three-dimensional Echocardiography in Assessment of Left Ventricular and Right Ventricular Volumes

Real-time three-dimensional echocardiography (RT3DE)is a new ultrasound technique that enables dynamic threedimensional visualization and quantification of the heart in real time. Investigation of feasibility and methodology of RT3DE in determining left ventricular (LV) and right ventricular (RV) volumes, RT3DE was performed in 35 normal adults using Philips SONOS 7500 system with a 2-4 MHz matrix array transducer. The 60°×60° "pyramid" volume database was obtained and analyzed on a TomTec echo workstation. Both LV and RV volumes were calculated with four 3DE methods (i.e. apical 2, 4, 8, and 16-plane) through manually tracing ventricular endocardial borders in end diastole and end systole. Stroke volumes were then calculated. LV volume was also measured by 2DE Simpson's rule using GE VIVID 7 ultrasound machine.     

SCREENING FOR A 21-CHROMOSOME ABNORMALITY IN PREIMPLANTED EMBRYOS OF ELDERLY WOMEN

Increasing maternal age is the only etiological factor unequivocally linked to Down's syndrome in humans. The occurrence rate of newborns with Down's syndrome is about 1/220 in women over 35 years old. However, the occurrence rate in embryos fertilized in vitro, of the elder woman is unclear. Using FISH we screened the number of chromosome 21 in preimplanted embryos of 5 elderly women (average age, 38.4 years) to study the feasibility and necessity of screening trisomy 21 in embryos in patients over 35 years old at the in vitro fertilization (IVF) center.