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find Author "刘瑶" 8 results
  • Influence of Losartan and Atenolol on Cardiovascular and Cerebrovascular Events: An Evidence-Based Analysis

    Objective To provide the China Essential Drugs List with evidence-based data for selecting the antihypertensive drugs in ARBs category. Methods With following search terms such as losartan, atenolol and clinical trial, the relevant clinical trials on losartan and atenolol for treating hypertension in both Chinese and English languages were collected from the EMbase, PubMed, The Cochrane Library, website of clinicaltrials.gov, CNKI, VIP and CBM. Results A total of 52 studies were pooled in this systematic review, of which most focused on the losartan intervention for endpoint reduction in hypertension (LIFE) study. The main results were that: a) With the same effects in lowering blood pressure, losartan was superior to atenolol in toleration and reducing left ventricular hypertrophy; b) Losartan was more effective than atenolol in preventing cardiovascular and cerebrovascular events, especially better in preventing new-onset stroke; c) Losartan was superior to atenolol in the patients complicated with or without diabetes mellitus, with or without atrial fibrillation, and with low hemoglobin or high blood uric acid, as well as in the patients co-treated by aspirin or hydrochlorothiazide; d) No matter either losartan or atenolol used in the aggressive antihypertensive therapy, the risk of sudden cardiac death got increased in hypertensive patients with prolonged QRS duration; e) Losartan was superior to atenolol in treating patients with smoking and drinking habits; and f) There were no significant differences between losartan and atenolol in hypertensive patients of black people, different genders, as well as the patients with mutant angiotensin-converting enzyme (ACE) gene. Conclusion Losartan has the same antihypertensive effects as atenolol dose, but it is more effective in reducing left ventricular hypertrophy, and has more benefits to hypertensive patients beyond lowering blood pressure, such as, reducing urine protein and uric acid rather than high density lipoprotein.

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  • 鼠视网膜神经细胞的原代培养

    Release date:2016-09-02 06:12 Export PDF Favorites Scan
  • Correlation between the Genetic Polymorphism of CYP2C19*2, *3 and the Clinical Efficacy of Clopidogrel: A Systematic Review△

    Objective To systematically evaluate anti-platelet effect of clopidogrel influenced by CYP2C192,3 polymorphism in patients with cardiovascular diseases, in order to provide references for its safe medication. Methods Literature was retrieved in electronic databases covering EMbase, PubMed, The Cochrane Library, CBM and CNKI from establishment dates to November, 2011. Observational studies and clinical trials were included, cross-checked, assessed and pooled for meta-analysis. meta-analysis was performed using the software RevMan 5.1. Results A total of 13 articles including 14 trials (n=36 855) were included. The results of meta-analysis showed that: a) there was no significant difference in the incidences of cardiovascular events between CYP2C192,3 carriers and CYP2C191 carriers; b) the risk of stent thrombosis in CYP2C192,3 carriers was significantly higher than that in CYP2C191 carriers (Plt;0.000 1), and the relative risk of CYP2C192,3 carriers increased 92% within one month (Plt;0.000 1); c) as for bleeding events, there were no significant differences between CYP2C192,3 carriers and CYP2C191 carriers. Conclusion Compared with CYP2C191 carriers, CYP2C192,3 carriers have a higher risk of stent thrombosis in clopidogrel-treated patients, but there are few differences in cardiovascular and bleeding events between the two carriers. Therefore, CYP2C192,3 carriers with cardiovascular diseases and ready to receive PCT are suggested to pay more attention to stent thrombosis when using clopidogrel. We propose that patients with cardiovascular diseases and ready to receive PCT should have CYP2C19 tests to determine the use of antiplatelet drug (clopidogrel) to avoid thrombus.

    Release date:2016-09-07 11:00 Export PDF Favorites Scan
  • Observation of the Clinical Efficacy and Safety of Reteplase in Prehospital Thrombolysis for ST-segment Elevation Acute Myocardial Infarction

    ObjectiveTo observe the clinical efficacy and safety of reteplase in prehospital thrombolysis for ST-segment elevation acute myocardial infarction. MethodsWe retrospectively analyzed the clinical data of 62 patients with acute ST-segment elevation myocardial infarction treated in our hospital between September 2010 and December 2012.They were randomly divided into two groups:the treatment group with 22 patients given reteplase thrombolysis therapy in the prehospital ambulance and/or emergency department,and the control group with 40 patients receiving thrombolytic therapy in the hospital.Then,we compared 60-minute and 120-minute recanalization rate,the rate of complicating with various kinds of adverse reactions and the composite end-point event rate between the two groups. ResultsSixty minutes and 120 minutes after thrombolysis,the clinical judgment recanalization rate in the treatment group was significantly higher than that in the control group (P<0.05).Four weeks after hospitalization,the rate of complicating with various kinds of hemorrhage,hypotension and death rate in the two groups had no statistical difference (P>0.05). ConclusionPrehospital thrombolysis treatment for ST-segment elevation acute myocardial infarction has a better clinical efficacy and is worth popularizing in basic unit hospitals.

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  • Experimental Study of the Influence of the Validity Period of Glassware Packaging on Sterilizing Instrument inside the Bio-safety Cabinet

    ObjectiveTo explore the validity period of oral sterilizing instruments in different packages inside the bio-safety cabinet. MethodsInside the bio-safety cabinet, we brought the autoclaved dental gadgets packed in glassware and paper-plastic into microbial sampling cultivation experiment, and made observation of the bacteria growth at the 4th, 8th, 24th hour after sterilizing, with the sampling of once per 24 hours, lasting 10 days. Samples taken from the gadgets in paper-plastic each time when samples were taken from the gadgets in glassware were as the control. ResultsUnder the condition that the bio-safety cabinet was not contaminated, no colony grew in neither group in 144 hours; 168 hours later, the cultivation results indicated that colonies started to grow(P<0.05). ConclusionUnder the condition that the bio-safety cabinet is pollution-free, the validity period of gadgets in glassware packaging for dental clinic practices is far longer than the 4-hour limit after the sterilized packages are opened, as is stipulated in the "Operating Specifications for Sterilization Technology on Dental Instruments of Medical Institutions".

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  • Correlation between Morning Blood Pressure Surge and Ambulatory Arterial Stiffness Index

    ObjectiveTo investigate the value of morning blood pressure surge in the evaluation of atherosclerosis by the observation of the relationship between morning blood pressure surge and ambulatory arterial stiffness index. MethodsFrom May 2011 to March 2013, we followed up 300 hypertensive patients who received ambulatory blood pressure monitoring, and they were divide into elevated morning blood pressure surge group and non-elevated morning blood pressure surge group. The AASI value was recorded and compared between the two groups according to the grade of hypertension. ResultsMorning blood pressure surge was more common in patients with hypertension. Compared with patients in the non-elevated morning blood pressure surge group, ambulatory arterial stiffness index was significantly higher in patients in the elevated morning blood pressure surge group. ConclusionThere is a certain correlation between morning blood pressure surge and arterial stiffness, which is an important factor leading to a variety of target organ damage.

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  • Efficacy of three types of transcranial direct current stimulation in patients with upper limb hemiparesis after stroke: a network meta-analysis

    ObjectiveTo systematically review the efficacy of three transcranial direct current stimulation protocols (anodal stimulation, cathodal stimulation, and bipolar stimulation) on upper extremity function interventions in stroke patients. MethodsPubMed, EMbase, The Cochrane Library, Web of Science, CNKI, CBM, WanFang Data and VIP databases were electronically searched to collect randomized controlled trials (RCTs) on the efficacy of three transcranial direct current stimulation protocols on upper extremity function interventions in stroke patients from inception to April 2022. Two reviewers independently screened literature, extracted data and assessed the risk of bias of included studies; then, the network meta-analysis was performed by using R software and ADDIS software. ResultsA total of 64 RCTs involving 3 968 patients were included. The results of network meta-analysis showed that, the probability order of the three stimulation methods on FMA-U, MBI, NIHSS score was: anode>bipolar>cathode>control. In addition, the probability order on ARAT and BBT score was: anode>cathode>bipolar>control. ConclusionCurrent evidence shows that the intervention effect of anodic stimulation on upper limb function of stroke patients may be better. Due to limited quality and quantity of the included studies, more high-quality studies are needed to verify above conclusion.

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  • 视网膜中央静脉阻塞的华氏巨球蛋白血症1例

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