ICD implantation can effectively prevent sudden cardiac death
April 17, 2017 Source: China Pharmaceutical News Author: Ma Yanhong
Window._bd_share_config={ "common":{ "bdSnsKey":{ },"bdText":"","bdMini":"2","bdMiniList":false,"bdPic":"","bdStyle":" 0","bdSize":"16"},"share":{ }};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')) .src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)];"The prevention and treatment of sudden cardiac death in China is far from enough." Recently, Professor Zhang Wei, director of the Center for Arrhythmia of the Department of Cardiovascular Diseases, Chinese Academy of Medical Sciences, jointly organized at the National Cardiovascular Center and the Beijing-based Cardiovascular Foundation. "Building China Heart: A Project to Help Patients with Sudden Cardiac Sudden Death" pointed out that about 5,000 patients in China use implantable cardioverter defibrillators (ICDs) each year, with only 2 units per million population; The developed countries and regions in Europe and the United States have 600 to 800 units per million people, and the gap is very obvious.
Zhang Wei told reporters that sudden cardiac death is the leading cause of death in patients with cardiovascular disease. It also often occurs in seemingly healthy people, and even many are young and middle-aged patients. The occurrence of sudden cardiac death is characterized by sudden, rapid, unpredictable, and high mortality. The "China Cardiovascular Disease Report 2015" published in May 2016 shows that the incidence of sudden cardiac death in China is 41.8 per 100,000 people. The number of sudden cardiac deaths in China exceeds 540,000 per year, which is equivalent to about 1,500 people per day due to sudden cardiac death. Passed away.
Zhang Wei stressed that in addition to strengthening public emergency measures to promote the prevention of sudden cardiac death, the most effective way to prevent sudden cardiac death in high-risk patients is to implant ICD. ICD has the functions of supportive pacing and anti-tachycardia pacing, low-energy cardiac conversion and high-energy defibrillation. It can recognize rapid ventricular arrhythmia and auto-discharge defibrillation within a few seconds, which can significantly reduce malignant ventricular tachycardia. The incidence of sudden death from arrhythmia saves patients' lives.
At the kick-off meeting, Medtronic donated the first 30 ICDs for poor patients in the country who needed ICD treatment. The Foundation will rely on the high-quality resources of the Fuwai Cardiovascular Hospital to jointly implant ICDs for patients with malignant arrhythmias who are suitable for hospitals and experts across the country. (Reporter Ma Yanhong)
Sprinkler irrigation and micro-irrigation automatic control equipment With the development of economy, water resources, energy shortage and labor cost increase, more and more water-saving irrigation systems will adopt automatic control. This article focuses on the advantages and classification of automated irrigation.
The advantages are as follows:
(1) It is possible to truly control the amount of irrigation, irrigation time and irrigation cycle in a timely and appropriate manner, thereby increasing crop yield and significantly improving water utilization.
(2) Saving labor and operating expenses.
(3) The work plan can be arranged conveniently and flexibly, and the management personnel do not have to go to the field at night or other inconvenient time.
(4) Since it can increase the effective working time every day, the initial capital investment in pipelines, pumping stations, etc. can be reduced accordingly.
classification:
First, fully automated irrigation system
The fully automated irrigation system does not require direct human involvement. The pre-programmed control procedures and certain parameters that reflect the water requirements of the crop can automatically open and close the pump for a long time and automatically irrigate in a certain order. The role of the person is simply to adjust the control program and overhaul the control equipment. In this system, in addition to emitters (heads, drip heads, etc.), pipes, fittings, pumps, and motors, it also includes central controllers, automatic valves, sensors (soil moisture sensors, temperature sensors, pressure sensors, water level sensors, and rain sensors). Etc.) and wires.
Second, semi-automatic irrigation system
In the semi-automated irrigation system, no sensors are installed in the field. The irrigation time, irrigation volume and irrigation period are controlled according to pre-programmed procedures, rather than feedback based on crop and soil moisture and meteorological conditions. The degree of automation of such systems is very different. For example, some pump stations implement automatic control, and some pump stations use manual control. Some central controllers are only one timer with simple programming function, and some systems have no central control. The controller, but only some of the sequential switching valves or volume valves are installed on each branch pipe.
Automated irrigation is the trend of the times. In the future water-saving irrigation projects, more and more automated irrigation systems will be applied.
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