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排序方式: 共有10000条查询结果,搜索用时 15 毫秒
991.
Wu Shen吴慎 Ju Lian-cai鞠连才 Shao Hui-xun邵惠训Zhang Xi-tan张习坦 Meng Qing-hai孟庆海 andLi Xue-guang李学光 《中华医学杂志(英文版)》1986,99(5):387-392
A strain (named BJ-1) of hepatitis A virus (HAV)
causing cytopathic effects (CPE) has been isolated in
A549 cell cultures from a fecal specimen of an infant
with hepatitis A. Hepatitis A antigen (HAAg) w3s
detectable in about 50To of the cells by immunofluo-
rescence (IF) assay. The viral antigenicity was spe-
cifically identified by monoclonal anti-HAV and chim-
panzee reference antiserum to HAV (NIH). HAV
particles in crystal arraDgement were observed in cell
cytoplasm by electron microscopy in ultrathin sec
tions. The particles appeared both "empty" and
"full". It was observed that many 27-30 nm virtts
particles were aggregated by convalescent human he-
patitis A sera and chimpanzee HAV antisera observ-
ed by immune electron microscopic (IEM) ex-
amination. BJ-1 HAAg could be detected on day
34 after inoculation at the initial passage. The virus
titers increased and the virus replication cycle short-
ened with serial passages. The highest TCID 50
was 10-5/0.1 ml and the shortest replication cycle 2-3
days. IF kit consisting of BJ-1 HAV infected A549
coverslip culture and sheep fluorescence antibody to
human IgM were made to detect anti-HAV IgM.
Comparing the BJ-t IF with the Abbott EIA HAVAB-
M kit. the coincidence rate was 98.4% (246/250). 相似文献
992.
Zhu Xue-qing朱学清 Qian Jing-wen 钱景文Dukou First People''s Hospital Dukou Sichuan 《中华医学杂志(英文版)》1986,99(5):433-434
"Spontaneous" remission of leukemia has
been observed in both humans and animals.
Bierman et al2 in 1953 reported 11 cases of remis-
sion in acute lymphoblastic leukemia (ALL) of
childhood following acute infectious disease. In
1979 we saw a case of ALL remission in a child
following a severe attack of respiratory infection. 相似文献
993.
994.
The molecular heterogeneity of serum alpha-fe-
toprotein (AFP) in 36 patients was studied by lectin
affinity-radioimmunoelectrophoresis. Two variants
of AFP, concanavalin-A (Con-A) reactive and the
Con-A nonreactive, were obtained. AFP in all 13
patients with hepatoma consisted of the two va-
riants, but the Con-A reactive variant was the ma
jor one. In 8 patients with benign liver disorder,
however, only the Con-A reactive variant of AFP
was detected. Over 50"70 0f AFP in 5 patients with
yolk sac tumor was Con-A nonreactive. Thus, there
were three different patterns of AFP variants. The
clinical implications are discussed. 相似文献
995.
VALUE AND LIMITATIONS OF SINUS NODE FUNCTION TE.ST
BY ATRIAL PACING IN SICK SINUS SYNDROME DIAGNOSIS
Sun Rui-long孙瑞龙 Chen Xin陈新 Wang Fang-zhengHu Sheng-jun胡绳俊 Tian Rui-guo田瑞国and Qi Lian-xiaClinical Electrophysiology Laborato''ry Institute of Cardiovascular Diseases Chinese Academy of Medical Sciences Beijing 《中华医学杂志(英文版)》1984,97(2):142-146
In order to evaluate the significance of the
sinus node function test by transvenous atrial
pacing in the diagno,sis of sick sinus syndrome
(SSS), sinus node recovery time (SRT), co]rrected
sinus node recovery time (CSRT) and total atrio-
sinus and sino-atrial conduction time (SACT)
are observed in 69 patients including non-SSS
group 39 cases and SSS group 30 cases.
According to our data, we suggest criteria
for sinus node dysfunction as follows. SRT>1,400
ms and/or A-V junctional esca.pe before sinus
recovery and;or secondary pause, CSRT>560 ms.
total SACT>300 ms. With l item abnormal, the
false positive rat.e in the non-SSS group is 7.7c7。
and the false negative rate in the S.SS group 3.30i"
with 2 items abnormal, the false positive rate in
the non-SSS group Oi and the false negative
rate in the SSS grOiup 6.7'70.
Atropine test results are compared with that
of atrial pacing, 95.8To and 84.2% are compatible
with each other in these 2 groups. In order to
cut the use of invasive technic to the minimum,
we propose performing the atropine test first.
Only in those with unexplainable test results
should the trial pacing test. be resorted to.. 相似文献
996.
Z Y Zhang T F Liu X F Zhang 《International journal of radiation oncology, biology, physics》1984,10(12):2305-2307
AT1727 is a derivative of ICRF 154. The purpose of this study was to evaluate its "radiosensitizer" properties. From October 1979 until the end of December 1980, 89 patients with radiation resistant cancers such as soft tissue sarcoma, squamous lung cancer (with large lesion, 6-8 cm diameter) and other cancers had been included in trial. Radiation therapy was carried out using CO60 or 8 Mev Linac. Fifty-five patients had a remarkable objective remission rate of 61.8% (55/89). Eighteen of 30 patients with soft tissue sarcomas obtained obvious remission (60%), and 26 of 38 patients with lung cancer had remission (68.4%). Patients with esophageal cancer (5/6) and nasopharyngeal cancer (5/5) also had good remission rates. The side-effects of this treatment were very mild: anorexia and vomiting were noted in 50% and no significant changes were noted in liver and kidney function tests and blood platelet count. Leucopenia was slight in all but one patient. No difference in the lung fibrosis rate was noted between the two randomized groups. From the results of this study we concluded that AT1727 had some effect as a "radiosensitizer" but much more work is needed to confirm this. 相似文献
997.
目的 调查河南省儿童青少年遗尿症的情绪和行为问题的现况及其影响因素。 方法 从2019年10月—2020年3月,采用分层随机整群抽样方法抽取河南某县5所中小学校,采用一般资料调查表、长处和困难问卷及儿童睡眠调查表进行调查,对影响遗尿患儿情绪和行为的因素进行单因素、多因素分析。 结果 实际发放问卷4 500份,回收4 120份,有效问卷3 912份,有效回收率为94.95%。调查结果显示有7.82%儿童患有遗尿症。遗尿组的情绪症状、多动和困难总分得分明显高于正常组(P<0.001),两组品行问题、同伴交往和社会行为得分的比较差异无统计学意义(P>0.05)。Pearson相关分析结果显示,遗尿儿童和青少年的困难总分与打鼾、夜间呼吸问题、嗜睡、注意力缺陷、睡眠总分均存在正相关关系(P<0.05)。多元线性回归结果显示睡眠呼吸紊乱、照顾者文化程度低、便秘、学习成绩较差是遗尿患儿情绪和行为问题的影响因素。 结论 遗尿患儿情绪和行为问题的检出率高,影响因素是睡眠呼吸紊乱、照顾者文化程度低、孩子学习成绩差、便秘,应引起关注。 相似文献
998.
Kallen Michael A. Brown Heather E. Hatton Joeffrey R. Doyle William A. Murphy Ryan Elliott Ryan Gutierrez Mark A. Catherwood Emma L. Pitman Heather P. Liu Vincent X. Gershon Richard C. 《Quality of life research》2022,31(7):2201-2212
Quality of Life Research - To develop two item content-matched, precise, score-level targeted inpatient physical function (PF) short form (SF) measures: one clinician-reported, one... 相似文献
999.
Wang Clair X. Y. Pavlova Alina Fernando Antonio T. Consedine Nathan S. 《Advances in health sciences education : theory and practice》2022,27(2):521-536
Advances in Health Sciences Education - Background: Despite being a mandated, foundational value in healthcare, research on compassion remains limited. Studying the individual, patient, clinical,... 相似文献
1000.