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Vaccine hesitancy contributes to outbreaks of preventable disease worldwide. The Vaccine Hesitancy Scale (VHS), developed by the international WHO SAGE Working Group, has been validated previously for measuring hesitancy towards childhood vaccines; some psychometric properties were suboptimal.
We collected data using large, nationally-representative samples of parents in the U.S. We adapted the VHS items, and additional hesitancy items, to assess hesitancy towards influenza and HPV vaccines in addition to routine childhood vaccines. We then used exploratory and confirmatory factor analysis to identify latent constructs and create modified scales for childhood (VHS-child), influenza (VHS-flu) and HPV (VHS-HPV) vaccines with improved psychometric properties. Finally, we compared hesitancy scores on the VHS-child, VHS-flu, and VHS-HPV, to self-reported receipt of each vaccine category, and compared subscale scores to assess whether drivers of hesitancy differed by vaccine category.
2052 parents of childrenk use these scales to examine hesitancy towards other vaccines and to monitor hesitancy over time.
Our modified VHS scales perform well psychometrically and allow for consistent measurement of the extent and reasons for hesitancy between vaccine categories. We suggest that future work use these scales to examine hesitancy towards other vaccines and to monitor hesitancy over time.
Efficacy of the nine-valent human papillomavirus (9vHPV; HPV types 6/11/16/18/31/33/45/52/58) vaccine was demonstrated in a phase 3 study in women 16-26 years of age. We present a phase 3 immunogenicity and safety study of the 9vHPV vaccine in women 27-45 versus 16-26 years of age.
This international, open-label study (NCT03158220) was conducted in women 16-45 years of age. Participants (16-26 years, n = 570 and 27-45 years, n = 642) received a three-dose 9vHPV vaccination regimen (day 1, month 2, month 6). Month 7 geometric mean titers (GMTs) and seroconversion percentages to anti-HPV 6/11/16/18/31/33/45/52/58 were assessed. Participants were followed for safety throughout the study.
At month 7, anti-HPV 6/11/16/18/31/33/45/52/58 GMTs in women 27-45 years were compared to those in women 16-26 years of age. The primary hypothesis of non-inferiority of anti-HPV 16/18/31/33/45/52/58 GMTs in older versus younger women was met. The lower bound of the GMT ratio 95% confidence interval (27-45 years to 16-26 yly well tolerated with a similar AE profile across the age groups. These data support bridging 9vHPV vaccine efficacy findings in women 16-26 years to women 27-45 years of age. Clinical trial registration NCT03158220.Replication-incompetent adenoviral vectors have been under investigation as a platform to carry a variety of transgenes, and express them as a basis for vaccine development. A replication-incompetent adenoviral vector based on human adenovirus type 26 (Ad26) has been evaluated in several clinical trials. The Brighton Collaboration Viral Vector Vaccines Safety Working Group (V3SWG) was formed to evaluate the safety and features of recombinant viral vector vaccines. This paper reviews features of the Ad26 vectors, including tabulation of safety and risk assessment characteristics of Ad26-based vaccines. In the Ad26 vector, deletion of E1 gene rendering the vector replication incompetent is combined with additional genetic engineering for vaccine manufacturability and transgene expression optimization. These vaccines can be manufactured in mammalian cell lines at scale providing an effective, flexible system for high-yield manufacturing. Ad26 vector vaccines have favorable thermostability profiles, compatible wi currently in phase 3 of clinical evaluation.The management of acute pancreatitis is now fairly codified, with specific recommendations developed by expert groups. These recommendations deal in particular with the minimum initial assessment, recognized severity scores, initial medical management with hyperhydration, preventive anticoagulation, early refeeding, delays in imaging and management of complications. In this work, we have tried to bring together the various recommendations, articles and studies dealing with this subject, based more particularly on European recommendations, in order to guide the management of acute pancreatitis in current practice.This study systematically maps empirical research on physicians' views and experiences of hedging-type defensive medicine, which involves providing services (eg, tests, referrals) to reduce perceived legal risks. Such practices drive over-treatment and low value healthcare. Data sources were empirical, English-language publications in health, legal and multi-disciplinary databases. The extraction framework covered where and when the research was conducted; what methods of data collection were used; who the study participants were; and what were the study aims, main findings in relation to hedging-type defensive practices, and proposed solutions. 79 papers met inclusion criteria. Defensive medicine has mainly been studied in the United States and European countries using quantitative surveys. Surgery and obstetrics have been key fields of investigation. Hedging-type practices were commonly reported, including ordering unnecessary tests, treatments and referrals; suggesting invasive procedures against professional judgment; ordering hospitalisation or delaying discharge; and excessive documentation in medical records. Defensive practice was often framed around the threat of negligence lawsuits, but studies recognised other legal risks, including patient complaints and regulatory investigations. Potential solutions to defensive medicine were identified at macro (law, policy), meso (organisation, profession) and micro (physician) levels. Areas for future research include qualitative studies to investigate the behavioural drivers of defensive medicine and intervention research to determine policies and practices that work to support clinicians in de-implementing defensive, low-value care.
In severe aortic stenosis (AS), the impact of aortic valve replacement (AVR) on left ventricular (LV) systolic function assessed by strain and measured by echocardiography or cardiac magnetic resonance (CMR) has been controversial. We aimed to investigate LV systolic myocardial function changes six months after AVR using global longitudinal (GLS), circumferential (GCS) and radial (GRS) strain derived from CMR imaging.
We included 39 severe AS patients (69.3±7.8 years; 61.5% male) with preserved LV ejection fraction (LVEF) who were recruited as part of the EPICHEART study and underwent successful AVR (aortic valvular area 0.8 cm
(IQR 0.2) pre- to 1.8 cm
(IQR0.5) post-AVR). Structural and functional parameters were assessed at baseline and six months after AVR, including LV GRS, GCS and GLS analysis by CMR, using cine short-axial and two-, three-, and four-chamber long-axial view. Cyclosporin A in vivo Comparison between baseline and postoperative LV remodeling was performed using Student t-test and Wilcoxon test.
At six-month follow-up, LV mass, end-diastolic and end-systolic volumes, stroke volume, cardiac output, lateral E/e', tricuspid annular plane systolic excursion, right ventricular (RV) S wave velocity, GLS [-15.
My Website: https://www.selleckchem.com/products/Cyclosporin-A(Cyclosporine-A).html
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