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Discussion This study will provide important information on uptake of COS by later phase trialists in major medical journals, and the views of these trialists on COS use in trials. These findings will inform approaches to increasing awareness and uptake of COS in future health trials.The Vaccine Administration Law of the People's Republic of China and other relevant laws require that vaccine recipients or their guardians be educated about vaccines and how they work, and described in general the methods and contents of such vaccination education. With the new law and "Standard Operational Procedures for Immunization" as foundation documents, and in consultation with experts at home and abroad, the Chinese Preventive Medicine Association developed a consensus statement about informed consent for vaccination. This consensus statement is written for disease control and prevention health care personnel in vaccination services and describes the educational content of informed consent, a theoretical framework for immunization and immunization knowledge, the informed consent processes, principles of planning for vaccination, and an informed consent form. Part Two of the consensus includes influenza vaccine, pneumococcal vaccine, haemophilus influenzae type b containing vaccine, enterovirus type 71 inactivated vaccine, rotavirus vaccine, varicella attenuated live vaccine, herpes-zoster vaccine, human papillomavirus vaccine, rabies vaccine, hemorrhagic fever with renal syndrome vaccine, leptospira vaccine, anthrax vaccine, hepatitis E vaccine, cholera vaccine, typhoid vaccine, and tick-borne encephalitis vaccine.Objective To compare trends in congenital heart disease (CHD) mortality between China and North America from 1990 to 2017. Methods Using the data from the Global Burden Of Disease (GBD) study 2017, we analyzed the related indicators of CHD mortality in China and North America from 1990 to 2017, including standardized mortality, number of deaths, age distribution of death population and age-specific mortality of CHD in each birth cohort. Age-period-cohort model was used to calculate the annual percent change of age-standardized and age-specific mortality rates of CHD (% per year), period effect-adjusted age-specific mortality rates, and the relative risk of death among CHD population at different time periods (2000-2004 as reference period) and different birth cohorts (1970 as reference cohort). Results In 2017, the age-standardized mortality rates for CHD in China and North America were 2.63/100 000 and 1.13/100 000 respectively, a decrease of 50.4% and 49.4% compared to 1990. Of all deaths from CHD in China,h North America is dramatically narrowed. However, mortality is higher among younger populations in China than in North America, and the mortality in the elders shows increasing trends each year in China.Objective To investigate whether the co-presence of carotid plaques and low ankle-brachial index (ABI) might increase the risks of ischemic cardiovascular and cerebrovascular event in elderly population. Methods It was a prospective study. Participants from the elderly cohort of the Kailuan Study, who completed a carotid sonography and ABI examination, were included in this study. Participants underwent physical examinations between 2010 and 2011 and were divided into 3 groups no carotid plaque and ABI>0.9 group (n=526), carotid plaque and ABI>0.9 group (n=1 067), and carotid plaques and ABI≤0.9 group (n=49). Follow up ended on the 31 December 2016. The incidence of ischemic cardiovascular and cerebrovascular event was compared between the 3 groups, the relationship between carotid plaque and low ABI with ischemic cardiovascular and cerebrovascular event was analyzed. Results A total of 1 642 participants were included (age, (67.1±6.4) years). There were 1 028 males (62.6%) and 1 028 females(37.4%). The averancrease the risk of ischemic cardiovascular and cerebrovascular event among elderly population in this cohort.Objective To analyze the long-term outcome of unoperated Ebstein's anomaly (EA) patients aged over 18 years, and to evaluate the related factor of outcomes. Methods The data of 48 unoperated EA patients from March 2004 to December 2008 in the First Hospital of Tsinghua University, were analyzed. The clinical data of the patients were collected, and patients received regular echocardiography, ECG and chest X-ray examinations. Septal leaflet attachment ratio (SLAr) was calculated based on transthoracic echocardiography imagines. The patients were divided into 3 groups according to SLAr SLAr0.60 and CTR≥0.65 are risk factors of death. EA patients with arrhythmia should be actively treated with drugs or radiofrequency ablation.Objective To evaluate the safety and efficacy of transcatheter aortic valve replacement (TAVR) with domestic prostheses in patients with severely stenotic bicuspid aortic valve (BAV). Methods This study was a prospective single-center non-randomized controlled study. Patients with symptomatic severe aortic stenosis (AS), who underwent TAVR with domestic prostheses at the First Affiliated Hospital of Air Force Medical University from January 2016 to April 2020 were consecutively included in our study. Patients were divided into BAV group and tricuspid aortic valve (TAV) group according to the aortic valve morphology. Baseline characteristics, procedural outcomes were compared between the two groups, and the primary endpoint was one-month all-cause mortality. Results A total of 100 patients aged (69.8±8.9) years were enrolled, including 71 (71%) males. There were 51 cases in BAV group and 49 cases in TAV group. Compared with TAV group, patient in the BAV group was younger ((67.1±8.6) years vs. (72.7±8.4) years, are evidenced in patients with severely stenotic BAV undergoing TAVR with domestic prostheses.Objective To observe the characteristics and trends during the last 11 years of risk factors of young adults with first acute coronary syndrome (ACS). Methods It was a cross-sectional study. We included young adults (18 to 44 years old) hospitalized for acute coronary syndrome in Beijing Anzhen Hospital for a first time from January 2007 to December 2017. Acute coronary syndromes include ST-elevation myocardial infarction (STEMI), non-ST-elevation myocardial infarction (NSTEMI), and unstable angina (UA). Selleckchem EPZ005687 The general information, medical history and laboratory test were recorded. Risk factors of ACS were smoking, dyslipidemia, overweight/obesity, hypertension and diabetes. Results Data from 7 106 patients were analyzed, mean age was (39.8±4.2) years old and 6 593(92.8%)were men, including 2 254 (31.7%) STEMI, 704 (9.9%) NSTEMI and 4 148 (58.4%) UA. Most patients were male (6 593(92.8%)). Dyslipidemia (85.8%(6 094/7 106)), overweight/obesity (82.3%(5 850/7 106)), and smoking (63.9%(4 545/7 106)) were most prevalent. 98.3% (6 885/7 106) patients had at least 1 risk factor. The prevalence of hypertension, diabetes and overweight/obesity increased from 2007 to 2017. Rates of hypertension increased from 37.1%(111/299) to 48.1%(498/1 035) (Ptrend less then 0.01), diabetes from 12.0%(36/299) to 19.4%(201/1 035) (Ptrend less then 0.01), overweight/obesity from 74.2%(222/299) to 83.9%(868/1 035) (Ptrend less then 0.05), respectively. Conclusions Dyslipidemia, overweight/obesity and smoking are most prevalent risk factors in young adults with a first ACS and most patients have at least 1 risk factor for ACS. Rates of hypertension, diabetes and overweight/obesity progressively increases over time in this patient cohort.Objective To investigate the impact of different levels of systolic blood pressure on all-cause, cardiovascular and cerebrovascular mortality in patients with nonvalvular atrial fibrillation (AF). Methods This is a prospective cohort study. Patients with AF or atrial flutter diagnosed by 12 lead electrocardiogram during physical examination of Kailuan Group employees from July 2006 to December 2017 or previously diagnosed with AF in an inpatient setting at a level 2A hospital or above were eligible for the study. Baseline clinical characteristics including age, gender, systolic blood pressure were collected. According to the level of systolic blood pressure, patients were divided into systolic blood pressure0.05). The natural spline curve showed that there was a "U" relationship between systolic blood pressure levels and all cause death and cardiovascular and cerebrovascular death in this patient cohort. Systolic blood pressure greater than or less than 123 mmHg was associated with increased risk of death of AF patients in this cohort. Conclusion Compared with systolic blood pressure less then 120 mmHg and systolic blood pressure≥140 mmHg group, the risk of all-cause and cardiovascular and cerebrovascular death is the lowest in AF patients with 120 mmHg ≤ systolic blood pressure less then 140 mmHg in this cohort.Objective To analyze the three-dimensional distribution of functional sinus node, right phrenic nerve and superior vena cava(SVC)-right atrial muscle sleeves by three-dimensional electrophysiological technique in patients with atrial fibrillation (AF), and to investigate the efficacy and safety of segmental radiofrequency catheter ablation (RFCA) for isolation of superior vena cava in these patients.Methods In this retrospective study, we enrolled 136 AF patients who underwent first RFCA in the First Affiliated Hospital of Zhengzhou University from July 2018 to June 2019 and all patients underwent SVC isolation under sinus rhythm. Baseline clinical data of patients were collected. The functional sinus node was defined by activation mapping, pacing was guided by three-dimensional mapping (Carto) system, localization of the right phrenic nerve was defined by pacing map, the superior vena cava-right atrial muscle sleeves was determined according to the change of potential during SVC isolation, segmental RFCA wasVC stenosis, right phrenic nerve palsy and functional sinus node injury occurred immediately post procedure. All patients were followed up for (11.2±3.6) months and none had postoperative complication. Conclusions Three-dimensional electrophysiological can determine the spatial location of functional sinus node, right phrenic nerve and SVC-right atrial sleeves. On this basis, segmental RFCA is a safe and effective method to achieve complete isolation of SVC.Objective To define the current status and analyze the medical quality of interventional therapy for patients with atrial fibrillation (AF) in China. Methods This survey was performed in all seven large regions of China, one to three regional major medical centers were selected from each region. Medical records of patients underwent interventional therapy for AF in the year 2017 were randomly inspected. CHA2DS2-VASc score, prescribed anticoagulant after ablation, indication of left atrial appendage occlusion (LAAO), and complications in the medical records were analyzed. Results A total of 10 800 AF catheter ablations and 447 LAAOs were performed in 17 regional medical centers in 2017. There were 10/17 centers performing AF catheter ablation0.05). Conclusions Interventional therapy for AF in China is generally standardized and safe. The overall incidence of complications post AF interventional ablation is low, the anticoagulation rate after AF catheter ablation is high, and the adherence rate of LAAO indication is fair.
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