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| 1 | Comparative outcomes of subcutaneous and transvenous cardioverter-defibrillators显示文摘Background: The comparative outcomes of subcutaneous implantable cardioverter-defibrillator (S-ICD) and transvenous (T-ICD) have not been well studied. The aim of this study was to evaluate the safety and efficacy of currently available S-ICD and T-ICD. Methods: The study included 86 patients who received an S-ICD and 1:1 matched to those who received single-chamber T-ICD by gender, age, diagnosis, left ventricular ejection fraction (LVEF), and implant year. The clinical outcomes and implant complications were compared between the two groups. Results: The mean age of the 172 patients was 45 years, and 129 (75%) were male. The most common cardiac condition was hypertrophic cardiomyopathy (HCM, 37.8%). The mean LVEF was 50%. At a mean follow-up of 23 months, the appropriate and inappropriate ICD therapy rate were 1.2% vs. 4.7%(X^2= 1.854, P=0.368) and 9.3% vs. 3.5%(X^2 = 2.428, P = 0.211) in S-ICD and T-ICD groups respectively. There were no significant differences in device-related major and minor complications between the two groups (7.0% vs. 3.5%, X^2 = 1.055, P = 0.496). The S-ICD group had higher T-wave oversensing than T-ICD group (9.3% vs. 0%, X^2 = 8.390, P=0.007). Sixty-five patients had HCM (32 in S-ICD and 33 in T-ICD). The incidence of major complications was not significantly different between the two groups. Conclusions: The efficacy of an S-ICD is comparable to that of T-ICD, especially in a dominantly HCM patient population. The S-ICD is assodated with fewer major complications demanding reoperation. | Jin-Jun Liang Hideo Okamura Roshini Asirvatham Andrew Schneider David O. Hodge Mei Yang Xu-Ping Li Ming-Yan Dai Ying Tian Pei Zhang Bryan C. Cannon Cong-Xin Huang Paul A. Friedman Yong-Mei Cha | 2019 | Chinese Medical Journal2019，，6： | 2 |
| 2 | Comparison of photomacrocyclization reactions of trimethyl silyl- and ributylstannyl-teminated phthalimidoand maleimidopoly ethers 显示文摘 | Ung Cha Yoon Ying Xue Jin SunWha Oh | 2002 | Journal of Photochemistry and Photobiology A: Chemistry2002，150，： | 1 |
| 3 | Sliding mode control for uncertain unified chaotic systems with input nonlinearity显示文摘 | CHAING TSUNG YING HHUNG MEEI-LING YAN JUN-JUH | 2007 | Chaos Solitons Fractals2007，34，： | 1 |
| 4 | Comparison of three western North Pacific tropical cyclone best track datasets in a seasonal context显示文摘 | YING M CHA E J KWON H J | 2011 | J Meteor Sco Japan2011，89，3： | 1 |
| 5 | Conception and Design of Active Balancer for Planar Mechanisms显示文摘The dynamic balancing is an important issue in mechanism design. For the existing balancing methods, both passive and active ones, there is still room for improvement in adaptability and independency. In view of this, a concept of active balancer is developed as a new solution for the dynamic balancing with more flexibility. The proposed balancer is an independent additional device with a control system inside, which consists of a two-degree-of-freedom (DOF) linkage and a controllable motor, and can be attached to a machine expediently with little change to its original structure and motion. One of the two inputs of the two-DOF linkage shares the same shaft with its output, which is connected to the input shaft of a machine to be balanced and driven by the original actuator. The other input is driven by the control motor. By properly selecting the speed trajectories of the control motor and link parameters of the two-DOF linkage, one or more dynamic effects of the mechanisms can be minimized or eliminated adaptively. The design procedure of the active balancer is put forward and a two-step optimization is developed to find out optimal design parameters of the balancer for various design requirements and constraints. Taking a force-balanced crank-rocker mechanism as the reference mechanism, numerical examples are given to illustrate the design procedure. The balancing effects of the proposed balancer are compared with those of the existing adding dyads (DYAD) method. The results show that the introduction of the control system provides the active balancer with better balancing effect and more flexibility than the DYAD method. A considerable reduction in the dynamic effects (input torque, shaking moment and shaking force) can be achieved for different balancing object by designing the structural and control parameters of the balancer, and the deterioration of dynamic performance caused by alterative working conditions can be compensated effectively by redesigning the control parameters. | ZHANG Ying YAO Yan-An CHA Jianzhong | 2009 | Chinese Journal of Mechanical Engineering2009，22，6： | 0 |
| 6 | One Case of Autopsy Pathological Analysis of Acute Pancreatitis Combined with Hemorrhage in Pericardial Cavity显示文摘Senile male, physically fit at usual, he died suddenly without any clinical symptoms. By autopsy dissection, it was found that large amount of bleeding was presented in pericardial cavity, the abdominal cavity and thoracic cavity had a small amount of hemorrhage, partial pancrea tissue had coagulation necrosis accompanied with infiltration of neutrophile granulocyte and degeneration and necrosis of liver cell accompanied with acute or chronic inflammation cell infiltration. Laboratory examination of the patient when he was alive suggested that liver function and coagulation function had obstacles, there was not any timely clinical process, and he died suddenly. Autopsy examination results suggested that acute pancreatitis caused a large quantity of bleeding in pericardial cavity, which led to cardiac tamponade and it cause acute circulation failure, which initiated cardiac arrest and then death. Coronary heart disease may exert certain facilitation effect in the death process. Patients with pancreatitis, especially the senile and pancreatitis patients with coronary artery disease, should be evaluated and prevented ahead of schedule, for those patients who had coma suddenly, it should be thought that it had possibility of combining with hemorrhage in the interior of pericardial cavity, the patient's doctor should try his or her best to reduce death rate. | Na Tan Hong Zheng Jinjing Wang Ying Cha Jiajia Huang Xiaorong Yang Xinglong Wu | 2018 | Journal of Advances in Medicine Science2018，1，3： | 0 |
| 7 | Analysis of Performance Stability and Clinical Efficacy of OBERS - 3000 Hemodialysis Machine显示文摘Objective To explore the method of safety and efficacy validation of hemodialysis machine,and observe the clinical efficacy of OBERS-3000 multifunctional hemodialysis machine.Methods Randomized,open,two-phase crossover and positive control design,a total of 72 patients from two hospitals were included.OBERS-3000 multifunctional hemodialysis machine was the test machine,and the Fresenius 4008 series hemodialysis machine was as the control machine,indicators of blood routine test,serum electrolytes,liver and kidney function test,blood gas analysis,CRP were compared,body weight before and after hemodialysis,ultrafiltration volume were recorded,urea clearance index,urea reduction ratio were calculated.The XL90 conductivity meter was connected in series in the test machine,to monitor the temperature,conductance,venous pressure and arterial pressure during the dialysis in real time,and the measured value were compared with the machine monitoring value.Results Both of the test machine and the control machine could effectively eliminate creatinine,urea nitrogen and other uremic toxins,could continuously supply qualified dialysate,and precisely control the ultrafiltration volume.There were no significant differences in temperature,conductance,venous pressure and arterial pressure monitoring with the real time measured value by XL90 conductivity meter.Conclusions OBERS-3000 multifunctional hemodialysis machine can effectively eliminate uremic toxins,maintain electrolyte and acid-base balance,and can accurately display the monitoring parameters. | Lianghong Yin Bo Hu Lihua Luo Lifeng Yang Guanmin Wu Liangyong Hu Fanna Liu Yu Chen Peitian Yang Long Xiao Huiyuan Zheng Tong Liu Hongwei Hu Chen Yun Ying Huang Xia Yu Folan Li Aiyun Cha Xiangnan Dong Huanhuan Liu Mingming Ma Yongpin Lu Taksui Wong Baozhang Guan Yingming Gu Zuhui Chen | 2017 | 临床医学工程2017，24，S1： | 0 |
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