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排序方式: 共有84条查询结果,搜索用时 15 毫秒
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J B Hargis V F La Russa J Redmond S W Kessler D G Wright 《American journal of hematology》1989,31(3):213-215
A case of acute, transient agranulocytosis and thrombocytopenia associated with ingestion of dipyrone is reported. This once widely used analgesic, which is now banned in the United States, was obtained by the patient as "aspirin" while traveling in Mexico. Studies of the effects of this patient's serum on purified CD34+ marrow cells, which were highly enriched for hematopoietic progenitors, showed not only a drug-dependent suppression of the in vitro growth of myeloid progenitors, as has been reported previously, but also a drug-dependent suppression of primitive multipotential progenitors (CFU-Mix) and erythroid progenitors (BFU-E). These findings indicate that autoimmune, antibody-hapten interactions which have been reported to occur in dipyrone- and aminopyrine-induced agranulocytosis are not restricted to the neutrophil lineage. 相似文献
3.
R Platzer A Küpfer J Bircher R Preisig 《European journal of clinical investigation》1978,8(4):219-223
Polymorphic acetylation was investigated in twenty-seven patients with Gilbert's syndrome using the sulphadimidine test. Whereas the finding of 51% slow acetylators in seventy-eight control persons agreed well with the expected frequency in a continental European population, the prevalence of slow acetylators in Gilbert's syndrome was increased to 78% (P less than 0.03, Woolf's G-test). After oral administration of 14C-aminopyrine there was no significant difference between seventeen patients with Gilbert's syndrome and twenty-seven normal controls in total plasma clearance of aminopyrine (280 +/- SD 100 and 270 +/- 60 ml/min) and in the disappearance curve of 14CO2 in breath (0.23 +/- 0.04 and 0.22 +/- 0.03 h-1, respectively). Thus, whereas aminopyrine metabolism appears unaffected in the examined patients, the data documents a new association between slow acetylator status and Gilbert's syndrome. 相似文献
4.
The influence of ageing on demethylation of 14C-aminopyrine (AP) and 14C-caffeine (Caf) in Wistar littermate rats was studied serially using the 14CO2-breath test. In both sexes, the elimination half-life (t1/2) of 14C-AP fell from a mean of approximately 75 min when weaned at 17 days to 45 min at maturity (49 days); thereafter t1/2 became prolonged, being most prolonged (82 min) in elderly male rats (210 days). Similarly, t1/2 of 14C-Caf was also prolonged with ageing. These studies using in vivo and longitudinal techniques indicate the importance of ageing on hepatic demethylation. 相似文献
5.
目的建立复方氨林巴比妥注射液中氨基比林、安替比林、巴比妥三种组份含量同时测定的方法。方法高效液相色谱法;C18柱(4.6mill×200rflnq,5txm),流动相为乙腈·磷酸盐缓冲液(7.8~8.0)(27:73),用三乙胺调节pH至8.0;流速为1.0ml·min^-1;检测波长240nm;柱温25℃;进样量20μl。结果氨基比林、安替比林、巴比妥分离度好,浓度与峰面积有良好的线性关系(r分别为0.99997、0.99998、0.99998);加样回收率分别为99.9%(RSD:0.8%,n=9)、100.4%(RSD:1.9%,n=9)、99.6%(RSD=1.2%,n=9)。结论该法简单,专属性强,准确度高,为复方氨基巴比妥注射液的质量控制简便、高效、专一的检测方法。 相似文献
6.
大蒜对氨基比林与亚硝酸钠在大鼠体内所致毒性的预防作用 总被引:3,自引:0,他引:3
给Wistar大鼠用氨基比林、亚硝酸钠均以30mg/kg体重的剂量灌胃。实验组于普通饲料中添加10%的生大蒜,阳性对照组饲以普通饲料。对两组大鼠平均每只给予氨基比林和亚硝酸钠的总量分别为171.9mg和167.7mg。实验组在35天实验期中全部存活(12/12),阳性对照组有1只死亡(1/10),2只于濒死时被处死(2/10)。前者血红蛋白含量高于后者(P<0.05),而血清转氨酶活性低于后者(P<0.01),病理检查发现肝脏病变发生率前者为67%(8/12),后者为100%(10/10),大蒜组动物肝脏病变程度显著较阳性对照组为轻,后者除肝脏病变外尚有肺及肾的出血现象。本研究证明,大蒜能阻断氨基比林和亚硝酸钠在大鼠体内形成二甲基亚硝胺,并对其所致的毒害有明显的预防作用。 相似文献
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8.
双波长一元线性回归分光光度法同时测定复方氨基比林注射液中三组分含量 总被引:3,自引:0,他引:3
本文依据一组含有不同比例待测和干扰组分的标准混合液的吸收值,采用一元线性回归方法,在选择最佳测定波长对的同时建立标准工作曲线方程,使其更符合实际作品测定时的情况,提高了结果的精度和可靠性,并使计算量和实验工作量得以降低。应用于复方氨基比林注射液中三组分氨基比林、安替比林和巴比妥的同时测定,其平均回收率分别为99.8%,100.4%和99.8%,变异系数分别为0.59,1.48和1.05,结果优于卡尔曼滤波法、偏最小二乘法和目标因子分析法。 相似文献
9.
Oxidative breakdown of octanoic acid is maintained in patients with cirrhosis despite advanced disease 总被引:1,自引:0,他引:1
M. Van de Casteele A. Luypaerts † B. Geypens † J. Fevery Y. Ghoos† & F. Nevens 《Neurogastroenterology and motility》2003,15(2):113-120
As an octanoic acid 13CO2 breath test is frequently used to test gastric emptying of solid food, the purpose of the present study was to study whether oxidative breakdown of octanoic acid is affected by severe liver disease. The design of our study was twofold. First, cirrhotic patients (n = 82) of varying severity were compared with healthy controls (n = 17). Values of half-time, time point of maximal expiration and cumulative recovery of octanoic acid breath tests (OBT) were not significantly different between them. Secondly, cirrhotic patients (n = 10) were studied before placement of transjugular intrahepatic portosystemic shunt, 4-7 days later and 1-2 months later. Values of half-time, time point of maximal expiration and cumulative recovery of consecutive OBTs did not change significantly. The OBT may therefore be a suitable test in the future to detect delayed gastric emptying of solids in cirrhotic patients with reduced liver function and portal hypertension. 相似文献
10.
去痛片中四组分的HPLC测定 总被引:4,自引:0,他引:4
季申 《中国医药工业杂志》1997,28(10):455-457
以十八烷基硅烷键合硅胶为固定相,采用HPLC法测定去痛片中氨基比林、非那西丁、咖啡因、苯巴比妥的含量。各组分的回收率分别为99.8±0.50%、99.7±0.76%、99.3±0.54%、99.6±0.58%。 相似文献