CD+4Th细胞在(口恶)唑酮诱导的小鼠实验性肠炎中的变化

目的研究CD4+细胞在(口恶)唑酮诱导的小鼠实验性肠炎中的变化及肠炎的发病机制.方法健康昆明小鼠24只随机平均分为正常组和模型组(以(口恶)唑酮灌肠造模).造模3 d后全部处死,提取外周血单个核细胞(PBMC)、脾脏单个核细胞(SMC)和肠黏膜固有层单个核细胞(LPMC)进行细胞培养,并利用细胞内细胞因子流式检测法测定Th1/Th2比例.结果培养48 h后,模型组的LPMC中Th1细胞百分比和Th2细胞百分比均比正常组明显上升(P＜0.01),Th1/Th2比正常组显著下降(P＜0.01).培养96h后,模型组的LPMC中Th1细胞百分比与正常组相比差异无统计学意义(P＞0.05),Th2细胞百分比较正常组明显上升(P＜0.01),Th1/Th2比正常组显著下降(P＜0.01).而2组的PBMC和SMC相比Th1、Th2细胞百分比和Th1/Th2差异均无统计学意义(P＞0.05).结论(口恶)唑酮诱导的小鼠实验性肠炎是一种Th2亚群占优势的肠黏膜局部免疫紊乱.     

α—氯芳基乙酮的合成

α┐氯芳基乙酮的合成ＩＭＰＲＯＶＥＤＳＹＮＴＨＥＳＩＳＯＦα┐ＣＨＬＯＲＯＡＲＹＬＭＥＴＨＹＬＫＥＴＯＮＥＳ曹松＊王蔚ａ樊爱龙ａ（滁州师专化学系，安徽２３９０１２；ａ南京大学化学系，江苏２１００９３）ＣＡＯＳｏｎｇ＊，ＷＡＮＧＷｅｉａ，ＦＡＮＡｉ－Ｌ...     

盐酸恩丹西酮与氟尿嘧啶存在配伍禁忌

随着癌症发病率的提高,医学也在不断地发展,一些新的治疗方案应用于临床。我科近两年来陆续对部分放疗患者放疗期间同时连续输注化疗,近期效果较好。对易出现的胃肠道反应应用盐酸恩丹西酮类止吐药,使治疗顺利进行。1 具体用法     

丙氧氨酚与酮咯酸治疗癌痛的比较

晚期肿瘤疼痛病人３１例（男性１７例，女性１４例，年龄５０±ｓ１４ａ），用丙氧氨酚２片，ｐｏ，ｔｉｄ，共７ｄ。相似病人３０例（男性１６例，女性１４例。年龄５１±１３ａ），用酮咯酸１０ｍｇ，ｐｌ，ｑｉｄ，共７ｄ。结果：疼痛强度（标尺法）２组均有降低；显效时间前（丙氧氨酚）快于后组（酮咯酸）；药效维持时间后组长于前组；不良反应前组嗜睡多于后组，而胃肠道不适少于后组。     

小儿硬膜外麻醉辅助氧胺酮对牵拉反应的临床观察

小儿在连硬麻醉下行各种手术 ,经常因不合作、恐惧与手术的牵连反应 ,而影响手术的顺利进行。我院麻醉科多年来小儿手术在硬膜外阻滞下 ,辅助氯胺酮来防止手术时的牵拉反应及减少恐惧感 ,取得了满意的效果。现报告如下。1　资料、方法与结果1 .1　一般资料 :选择 ASA ～ 级硬膜外阻滞效果满意的腹部手术病人 60例 ,男 45例 ,女 1 5例 ,年龄 6～ 1 5岁 ,体重 1 8～ 5 0 kg。手术种类为阑尾炎、腹股沟斜疝、睾丸鞘膜积液。随机分为观察组 ( 30例 )与对照组 ( 30例 ) ,两组间年龄、体重、手术种类无明显差异。1 .2　麻醉方法 :术前常规肌注…     

不同液体术前急性高容量血液稀释对深静脉血栓病人血液流变学的影响

Objective To investigate the effects of acute hypervolemic hemodilution (AHH) with different fluids on blood rheology in patients with deep vein (femoral and iliac) thrombosis. Methods Thirty ASA I or II patients aged 40-64 yr who had developed deep vein thrombosis in 48 h and were scheduled for embolectomy were randomly divided into 3 groups ( n = 10 each) ; group I normal saline (NS) ; group II 6 % HES 200/0.5 ( HES) ; group IE gelofusine (GEL). AHH was performed with normal saline, 6% HES or gelofusine infusion at 20 ml·kg-1 ·h-1 for 40 min. MAP, HR and SpO2 were monitored. Blood loss, volume of blood transfusion and fluid infused and urine output during operation were recorded. Anesthesia was induced with fentanyl 3-5 fig/kg, etomidate 0.15-0.30 mg/kg, propofol 1-2 mg/kg and succinylcholine 1-2 mg/kg and maintained with 2% isoflurane and propofol infusion at 5-8 mg·kg-1·h-1 and intermittent iv boluses of vecuronium. The patients were mechanically ventilated (VT 8 ml/kg, RR 12 bpm). PaO2 and PaCO2 were maintained within normal range. Venous blood samples were obtained before and after AHH for measurement of hematocrit (Hct), whole blood viscocity (WBV) at low or high shear rates, plasma viscosity, RBC aggregation and RBC deformation. RBC aggregation index and RBC deformation index were calculated. Results MAP and HR were stable in all patients. The amount of blood transfusion and fluid infused was significantly less in group HES and GEL than in group NS. The WBV at low or high shear rates in group HES and GEL, Hct in all 3 groups and RBC aggregation index in group HES were significantly decreased after AHH, but the RBC deformation index was significantly increased in group HES. Conclusion Colloid is better than crystalloid and HES is better than gelofusine in improving intraoperative hypercoagulability and sluggish blood flow.     

新化合物 A-失碳-17β-羟基-17α-乙炔基-Δ3(5),9(10)-雌甾二烯-2-酮的合成

报道新化合物A-失碳-17β-羟基-17α-乙炔基-Δ^3(5),9(10)-雌甾二烯-2-酮2的合成。文中探讨了用炔钾粗品对A-失碳-Δ^3(5),9(10)-雌甾二烯-2，17-二酮１和Ａ-失碳-６β，１９-环氧-Δ³-雄甾-2，17-二酮3的选择性炔化，分别得标题化合物2（44%）及Ａ-失碳-17β-羟基-17α-乙炔基-６β，１９-环氧-Δ³雄甾-2-酮４（６５％），４经还原性破开环氧、去羟甲基和去醋酰氧基合成了标题化合物２。四步总收率为３４％。     

体外循环对TXB2／6—keto—PGF1α的影响

对１３例体外循环病人进行了观察，发现体外循环后ＴＸＢ２／６－ｋｅｔｏ－ＰＧＦ１α显著增高，表明体外循环使血小板受损，而血小板受损是体外循环后失血的主要原因之一。