Pediatric residents reported individual barriers, personal safety concerns, lack of efficacy, and contextual factors as reasons to not speak up about patient safety. Concerns about the safety of speaking up and the efficacy of speaking up were correlated with teamwork and safety culture, respectively.
The purpose of this study was to identify barriers to and facilitators of human papillomavirus (HPV) vaccination in children aged 9–17 years across Texas. A literature review informed the development of a web-based survey designed for people whose work involves HPV vaccination in settings serving pediatric patients. The survey was used to examine current HPV vaccine recommendation practices among healthcare providers, barriers to HPV vaccination, reasons for parent/caregiver vaccine refusal, staff and family education practices, utilization of reminder and recall systems and status of vaccine administration (payment, ordering and stocking). 1132 responses were received representing healthcare providers, administrative and managerial staff. Respondents identified perceived barriers to HPV vaccination as parental beliefs about lack of necessity of vaccination prior to sexual debut, parental concerns regarding safety and/or side effects, parental perceptions that their child is at low risk for HPV-related disease, and parental lack of knowledge that the vaccine is a series of three shots. Of responding healthcare providers, 94% (n= 582) reported they recommend the vaccine for 9–12 year olds; however, same-day acceptance of the vaccine is low with only 5% (n=31) of providers reporting the HPV vaccine is “always” accepted the same day the recommendation is made. Healthcare providers and multidisciplinary care teams in pediatric care settings must work to identify gaps between recommendation and uptake to maximize clinical opportunities. Training in methods to communicate an effective HPV recommendation and patient education tailored to address identified barriers may be helpful to reduce missed opportunities and increase on-time HPV vaccinations.
Ankyrin repeat (AR) proteins are composed of tandem repeats of a basic structural motif of ca. 33 amino acid residues that form a β-turn followed by two antiparallel α-helices. Multiple repeats stack together in a modular fashion to form a scaffold that is ideally suited for the presentation of multiple functional groups and/or recognition elements. Here we describe a biosynthetic strategy that takes advantage of the modular nature of these proteins to generate multivalent ligands that are both chemically homogeneous and structurally well-defined. Glycosylated AR proteins cluster the tetrameric lectin concanavalin A (Con A) at a rate that is comparable to the rate of Con A aggregation mediated by globular protein conjugates and variable density linear polymers. Thus, AR proteins define a new class of multivalent ligand scaffolds that have significant potential application in the study and control of a variety of multivalent interactions.
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