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排序方式: 共有59条查询结果,搜索用时 515 毫秒
1.
L T Leang 《The Medical journal of Malaysia》1989,44(2):147-150
Percutaneous insertion of central venous catheter (CVC) is a valuable procedure in managing critically ill patients. However, placement of CVC is not without its complications. The author reports a case in which a CVC was inserted into the right pleural cavity which was not detected by the usual clinical methods of confirming catheter placement and an antero-posterior (A-P) chest x-ray. 相似文献
2.
In Cambodia, nearly half of pregnant women attend antenatal care (ANC), which is an entry point of services for prevention
of mother-to-child transmission of HIV (PMTCT). However, most of ANC services are provided in health centres or fields, where
laboratory services by technicians are not available. In this study, those voluntary confidential counselling and testing
(VCCT) counsellors involved in PMTCT were trained by experienced laboratory technicians in our centre on HIV testing using
Determine (Abbot Laboratories) HIV1/2 test kits through a half-day training course, which consisted of use of a pipette, how
to process whole blood samples, and how to read test result. The trained counsellors were midwives working for ANC and delivery
ward in our centre without any experience on laboratory works. The objective of this study was to assess the feasibility of
the training by evaluating the proficiency of the trained non-laboratory staffs. The trained counsellors withdrew blood sample
after pre-test counselling following ANC, and performed the rapid test. Laboratory technicians routinely did the same test
and returned reports of the test results to counsellors. Reports by the counsellors and the laboratory technicians were compared,
and discordant reports in two groups were re-tested with the same rapid test kit using the same blood sample. Cause of discordance
was detected in discussion with both groups. Of 563 blood samples tested by six trained VCCT counsellors and three laboratory
technicians, 11 samples (2.0%) were reported positive in each group, however four discordant reports (0.7%) between the groups
were observed, in which two positive reports and two negative reports by the counsellors were negative and positive by the
laboratory technicians, respectively. Further investigation confirmed that all the reports by the counsellors were correct,
and that human error in writing reports in the laboratory was a cause of these discordant reports. These findings lead us
the conclusion that the half-day training using the rapid and simple test was feasible for non-laboratory staffs to attain
enough proficiency to implement VCCT services for PMTCT in resource-limited settings, and that human error was more likely
to occur in laboratory before giving reports to counsellors. 相似文献
3.
Tussive effect of a fentanyl bolus 总被引:10,自引:0,他引:10
Wee Thuan Phua Boon Teck Teh Winston Jong Tat Leang Lee William A. Tweed 《Journal canadien d'anesthésie》1991,38(3):330-334
The aim of this study was to investigate the incidence of pre-induction coughing, after an iv bolus of fentanyl. The study sample was 250 ASA physical status I-II patients, scheduled for various elective surgical procedures. The first 100 were randomly allocated to receive 1.5 micrograms.kg-1 fentanyl via a peripheral venous cannula (Group 1), or an equivalent volume of saline (Group 2). Twenty-eight per cent of patients who received fentanyl, but none given saline, coughed within one minute (P less than 0.0001). The second 150 patients were then randomly assigned to three equal pretreatment groups. Group 3 received 0.01 mg.kg-1 atropine iv one minute before fentanyl. Groups 4 and 5 received 0.2 mg.kg-1 morphine im, and 7.5 mg midazolam po, respectively, one hour before fentanyl. Thirty per cent of patients in Group 3, 6% in Group 4, and 40% in Group 5, had a cough response to fentanyl. Fentanyl, when given through a peripheral cannula, provoked cough in a considerable proportion of patients. This was not altered by premedication with atropine or midazolam, but was reduced after morphine (P less than 0.01). Coughing upon induction of anaesthesia is undesirable in some patients, and stimulation of cough by fentanyl in unpremedicated patients may be of clinical importance. 相似文献
4.
Sook‐Kwan Leang Simon Kwok Sheena G. Sullivan Sebastian Maurer‐Stroh Anne Kelso Ian G. Barr Aeron C. Hurt 《Influenza and other respiratory viruses》2014,8(2):135-139
Influenza viruses collected from regions of Asia, Africa and Oceania between 2009 and 2012 were tested for their susceptibility to two new neuraminidase inhibitors, peramivir and laninamivir. All viruses tested had normal laninamivir inhibition. However, 3·2% (19/599) of A(H1N1)pdm09 viruses had highly reduced peramivir inhibition (due to H275Y NA mutation) and <1% (6/1238) of influenza B viruses had reduced or highly reduced peramivir inhibition, with single occurrence of variants containing I221T, A245T, K360E, A395E, D432G and a combined G145R+Y142H mutation. These data demonstrate that despite an increase in H275Y variants in 2011, there was no marked change in the frequency of peramivir‐ or laninamivir‐resistant variants following the market release of the drugs in Japan in 2010. 相似文献
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7.
目的:比较鞘内注射孤啡肽在Swiss albino和C57BL两种小鼠中所引发的痛觉超敏的特点。方法:以随机、双盲、画笔轻触法,观察鞘内注射孤啡肽50min内两种小鼠痛觉超敏反应。结果:在Swiss albino小鼠中,孤啡肽引起的痛觉超敏持续50min,在5fmol--50pmol的剂量范围内,没有观察到量效关系。在C57BL小鼠中,孤啡肽引起的痛觉超敏持续30min,在10fmol~1nmol的剂量范围内,呈现出钟形的量效曲线。结论:鞘内注射孤啡肽的作用有小鼠种系间的区别。 相似文献
8.
9.
M.S. Zajac T.Y.C. Pang N. Wong B. Weinrich L.S.K. Leang J.M. Craig R. Saffery A.J. Hannan 《Hippocampus》2010,20(5):621-636
10.