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find Author "QIAN Yongjun" 24 results
  • The Necessity for Cardiovascular Surgeons to Join Medical Rescue Team within 72 Hours after Earthquake

    In recent years,West China Hospital of Sichuan University actively participated in medical assistance and rescue in Wenchuan,Yushu and Lushan earthquakes. However,professional roles of cardiovascular surgeons in medical assistance and rescue in earthquakes remain unclear because of the particularity of cardiovascular surgery, which often affects the assembly of medical assistance and rescue teams. Thus,we need to explore the necessity for cardiovascular surgeons to join medical rescue teams within 72 hours after earthquake. In this article,medical rescue work of cardiovascular surgeons within 72 hours after 2008 “5•12” Wenchuan earthquake and 2013 “4•20” Lushan earthquake is analyzed and compared to identify professional roles of cardiovascular surgeons in medical rescue within 72 hours after earthquake. It is necessary for cardiovascular surgeons to join medical rescue teams within 72 hours after earthquake.

    Release date:2016-08-30 05:47 Export PDF Favorites Scan
  • Airborne Medical Team Assembly and Member Selection: Experience from Baoxing Airborne Medical Team of West China Hospital in “4 ?20” Lushan Earthquake

    Baoxing airborne medical team of West China Hospital participated in the medical rescue in 2013 “4?20”Lushan earthquake. The medical team excellently fulfilled their rescue task for 1 week in the earthquake-struck areas where there was power and communication failure and lack of water and food supply. We found some experiences and problems in airbornemedical team assembly and member selection, which may provide quotable experiences for future disaster assistance and rescue teams.

    Release date:2016-08-30 05:47 Export PDF Favorites Scan
  • Interpretation of executive summary of the Ⅱ Brazilian guidelines for atrial fibrillation

    Release date:2017-04-24 03:51 Export PDF Favorites Scan
  • Clinical Characteristics and Management of Patients with Severe Tricuspid Regurgitation after Mitral Valve Surgery

    Objective To summarize the clinical characteristics and management experiences of patients with severe tricuspid regurgitation (TR) after mitral valve surgery. Methods Thirty patients were followed up and reviewed for this report. There were 1 male and 29 female patients whose ages ranged from 32 to 65 years (47.1±92 years). A total of 28 patients had atrial fibrillation and 2 patients were in sinus rhythm. There were 13 patients of mild TR, 10 patients of moderate TR and 7 patients of severe TR at the first mitral valve surgery. Five patients received the tricuspid annuloplasty of De Vega procedure at the same time, 2 patients received Kay procedure. The predominant presentation of patients included: abdominal discomfort (93.3%, 28/30), edema (66.7%,20/30), palpitation (56.7%, 17/30), and ascites (20%, 6/30). Results Nine patients underwent the secondary surgery for severe TR. The secondary surgery included tricuspid valve replacement (6 cases), mitral and tricuspid valve replacement (2 cases) and Kay procedure (1 case). Eight patients were recovered and discharged and 1 patient died from the bleeding of right atrial incision and low output syndrome. Twentyone patients received medical management and were followed up. One case was lost during followup. Conclusion Surgery or medical management should be based on the clinical characteristics of patients with severe TR after mitral valve surgery. It should be based on the features of tricuspid valve and the clinical experience of surgeon to perform tricuspid annuloplasty or replacement.

    Release date:2016-08-30 06:08 Export PDF Favorites Scan
  • Diagnosis and treatment for pregnancy with aortic dissection

    Aortic dissection during pregnancy is rare in clinics. Because the symptoms are lack of specificity, early diagnosis is difficult. However, the progression of aortic dissection is fast, therefore, the mortality of pregnant women and fetuses is high, and half of the death in pregnant women is due to aortic dissection. Although the development of medical condition is rapid, aortic dissection of pregnancy is still a great challenge for patients and clinicians, and is one of the most important diseases in obstetric medical disputes. In this paper, combined with the literatures published in recent years, we summarized the epidemiological characteristics and related treatment suggestions of the aortic dissection in pregnancy.

    Release date:2019-04-29 02:51 Export PDF Favorites Scan
  • Research progress on gastrointestinal hemorrhage after cardiac surgery

    Although the incidence of gastrointestinal hemorrhage after cardiac surgery is low, the mortality rate is high. Early detection and diagnosis of gastrointestinal hemorrhage are difficult. The high risk phases including preoperation, intraoperation and postoperation. Preoperative high risk comorbidities include gastrointestinal ulcer, hypertension, coronary heart disease and chronic renal failure. Intraoperative high risk factors include decreased gastrointestinal blood perfusion due to cardiopulmonary bypass, inflammatory factors releasing, coagulation disorders, and thrombosis. Postoperative high risk factors include hypotension, low cardiac output, prolonged mechanical ventilation, etc. This article retrospectively summarized high-risk factors and pathogenesis of gastrointestinal hemorrhage after cardiac surgery, in order to improve prevention and treatment of gastrointestinal hemorrhage.

    Release date:2019-01-03 04:52 Export PDF Favorites Scan
  • Telemanagement of anticoagulant therapy for patients after mechanical heart valve replacement: A prospective cohort study

    Objective To explore the safety and efficacy of mobile APP in telemanagement for patients who received oral warfarin anticoagulant therapy after mechanical heart valve replacement. Methods A prospective cohort study was performed. According to the inclusion and exclusion criteria, a total of 80 patients who underwent mechanical heart valve replacement for more than half a year and received oral warfarin anticoagulant therapy in outpatient department were included in our hospital from January 1, 2017 to December 31, 2017. These patients were divided into a telemanagement group (40 paitents, telemanagement using mobile APP) and a control group (40 patients, anticoagulant management in outpatient clinics) according to patients' wishes and local hospital international normalized ratio (INR) monitoring conditions. After 12-month follow-up, clinical effect of the two groups was compared. The INR, time in therapeutic range (TTR), fraction in therapeutic range (FTTR), anticoagulation-related complications and patient satisfaction were analyzed. Results During the follow-up period of anticoagulation, there was no significant difference in INR between the two groups (P=0.732). The average interval of INR monitoring in the telemanagement group was 3-65 (21.4 ± 12.5) days, while that in the control group was 7-93 (39.6 ± 14.7) days (P=0.012). TTR was 42.7% (6 027.6 d/14 116.0 d) in the control group and 67.9% (10 168.6 d/14 972.0 d) in the telemanagement group (P=0.018). And FTTR in the two groups was 45.6% (144/316) and 67.1% (432/644), respectively (P=0.015). No serious thromboembolism or hemorrhage events occurred in the 80 patients during the 12-month follow-up period. There was no significant difference in the incidence of anticoagulation-related complications, general bleeding and embolism between the two groups (P>0.05). Conclusion For patients with stable anticoagulation after cardiac mechanical valve replacement, it is safe and effective to telemanagement by mobile APP. Telemanagement can increase the frequency of anticoagulation monitoring without increasing anticoagulation risk, meanwhile, it also could obtain more convenient and rapid consultation, save time and economic costs,and improve the quality of life and patient satisfaction.

    Release date:2019-03-29 01:35 Export PDF Favorites Scan
  • The research progress of circRNA in the cardiovascular disease

    Circular RNA (circRNA) is a non-coding RNA which exists widely in eukaryotic cells with a structure of covalently closed continuous loop. Its generation, characteristics and functions have received extensive attention, making it one of the hot spots in the field of non-coding RNA research. Many studies have found that circRNA plays an important role in the development of various diseases including cardiovascular disease, nervous system disease and cancer. Cardiovascular disease is a worldwide common disease with high incidence and poor prognosis. Its exact pathogenesis has not been found, which blocks the development of cardiovascular disease treatment. In this review, we summarize the loop-forming mechanisms, the functions and the progress of current researches of circRNA in cardiovascular diseases.

    Release date:2019-09-18 03:45 Export PDF Favorites Scan
  • Screening and management of preoperative negative emotion in patients undergoing cardiac surgery

    ObjectiveTo investigate the negative emotions of patients before cardiac surgery in West China Hospital in order to analyze the related factors.MethodsThe Huaxi emotional-distress index (HEI), a screening tool for mood disorders developed by the Mental Health Center of West China Hospital, was used for preoperative psychological evaluation of 1 968 adult patients hospitalized in cardiac surgery from March 2016 to July 2014. There were 835 males and 1 133 females at age of 49±13 years.Results Fifty-one patients (2.6%) had negative emotions, among whom 6 patients were screened for suicide risk. After intervention, none of them had serious consequences caused by adverse emotions, such as automatic discharge from hospital, avoidance of surgery and suicide.ConclusionThis study found that most of the cardiac surgery patients in West China Hospital have good psychological status before surgery, and a few suffered from negative emotions. “Huaxi emotional-distress index” is simple, effective and worth promoting.

    Release date:2019-12-13 03:50 Export PDF Favorites Scan
  • Research progress on the relationship between breast cancer treatment and atrial fibrillation

    Atrial fibrillation (AF) and breast cancer are common diseases with high incidence, which can be promoted and maintained by a wide range of regulatory factors (changes of hormone secretion, chronic inflammation, dysfunctions in autonomic nervous system, coagulation system and endothelia). There may be a consistent pathophysiological link between the increased incidence of breast cancer and AF, which is currently seldomly reported. The development process of these two diseases are complex, and the occurrence of breast cancer may increase the incidence of AF. In this paper, we reviewed the relationship between breast cancer and AF based on the latest reports.

    Release date:2020-07-30 02:32 Export PDF Favorites Scan
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