Anaphylaxis is a severe and potentially life-threatening allergic reaction. There are numerous potential causes, with food allergy being the leading cause in children and the focus of this review. Most reactions involve an IgE-mediated mechanism, although non-IgE-mediated and nonimmunologic reactions can occur. Various cofactors to be discussed can place certain individuals at an increased risk of severe or fatal anaphylaxis. The clinical manifestations of anaphylaxis are broad and may involve multiple body systems. Diagnosis of food-related anaphylaxis is primarily based on signs and symptoms and supported, wherever possible, by identification and confirmation of a culprit food allergen. First-line treatment of anaphylaxis is intramuscular administration of epinephrine. Long-term management is generally focused on strict allergen avoidance and more recently on food desensitization using immunotherapy. This review provides an overview of anaphylaxis with a specific focus on food allergy.

Background Working with patients and health care providers to co-design health interventions is gaining global prominence. While co-design of interventions is important for all patients, it is particularly important for older adults who often experience multiple and complex chronic conditions. Persona-scenarios have been used by designers of technology applications. The purpose of this paper is to explore how a modified approach to the persona-scenario method was used to co-design a complex primary health care intervention (Health TAPESTRY) by and for older adults and providers and the value added of this approach. Methods The persona-scenario method involved patient and clinician participants from two academically-linked primary care practices. Local prospective volunteers and community service providers (e.g., home care services, support services) were also recruited. Persona-scenario workshops were facilitated by researchers experienced in qualitative methods. Working mostly in homogenous pairs, participants created a fictitious but authentic persona that represented people like themselves. Core components of the Health TAPESTRY intervention were described. Then, participants created a story (scenario) involving their persona and an aspect of the proposed Health TAPESTRY program (e.g., volunteer roles). Two stages of analysis involved descriptive identification of themes, followed by an interpretive phase to extract possible actions and products related to ideas in each theme. Results Fourteen persona-scenario workshops were held involving patients ( n = 15), healthcare providers/community care providers ( n = 29), community service providers ( n = 12), and volunteers ( n = 14). Fifty themes emerged under four Health TAPESTRY components and a fifth category - patient. Eight cross cutting themes highlighted areas integral to the intervention. In total, 414 actions were identified and 406 products were extracted under the themes, of which 44.8% of the products ( n = 182) were novel. The remaining 224 had been considered by the research team. Conclusions The persona-scenario method drew out feasible novel ideas from stakeholders, which expanded on the research team’s original ideas and highlighted interactions among components and stakeholder groups. Many ideas were integrated into the Health TAPESTRY program’s design and implementation. Persona-scenario method added significant value worthy of the added time it required. This method presents a promising alternative to active engagement of multiple stakeholders in the co-design of complex interventions. Electronic supplementary material The online version of this article (10.1186/s12875-019-1013-9) contains supplementary material, which is available to authorized users.

Primary care providers are critical in providing and optimizing health care to an aging population. This paper describes the volunteer component of a program (Health TAPESTRY) which aims to encourage the delivery of effective primary health care in novel and proactive ways. As part of the program, volunteers visited older adults in their homes and entered information regarding health risks, needs, and goals into an electronic application on a tablet computer. A total of 657 home visits were conducted by 98 volunteers, with 22.45% of volunteers completing at least 20 home visits over the course of the program. Information was summarized in a report and electronically sent to the health care team via clients’ electronic medical records. The report was reviewed by the interprofessional team who then plan ongoing care. Volunteer recruitment, screening, training, retention, and roles are described. This paper highlights the potential role of a volunteer in a unique connection between primary care providers and older adult patients in their homes.

Background: Increasing the integration of community volunteers into primary health care delivery has the potential to improve person-focused, coordinated care, yet the use of volunteers in primary care is largely unexplored. Health Teams Advancing Patient Experience: Strengthening Quality (Health TAPESTRY) is a multicomponent intervention involving trained community volunteers functioning as extensions of primary care teams, supporting care based on older adults' health goals and needs. This study aimed to gain an understanding of volunteer experiences within the program and client and health care provider perspectives on the volunteer role. Methods: This study used a qualitative descriptive approach embedded in a pragmatic randomized controlled trial. Participants included Health TAPESTRY volunteers, health care providers, volunteer coordinator, and program clients, all connected to two primary care practice sites in a large urban setting in Ontario, Canada. Data collection included semi-structured focus groups and interviews with all participants, and the completion of a measure of attitudes toward older adults and self-efficacy for volunteers. Qualitative data were inductively coded and analyzed using a constant comparative approach. Quantitative data were summarized using descriptive statistics. Results: Overall, 30 volunteers and 64 other participants (clients, providers, volunteer coordinator) were included. Themes included: 1. Volunteer training: "An investment in volunteers"; 2. Intergenerational volunteer pairing: "The best of both worlds"; 3. Understanding the volunteer role and its scope: "Lay people involved in care"; 4. Volunteers as extensions of primary care teams: "Being the eyes where they live"; 5. The disconnect between volunteers and the clinical team: "Is something being done?"; 6. "Learning… all the time": Impacts on volunteers; and 7. Clients' acceptance of volunteers.

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BackgroundIn keeping with the changing needs of the Canadian population, primary care systems need to become more person-focused in providing quality care to older adults. As part of Health TAPESTRY, a complex intervention to strengthen primary care for older adults, a goal setting exercise was developed and tested in an initial feasibility study, intended to foster collaboration between patients and providers.MethodsParticipants—clinic clients—were recruited from the McMaster Family Health Team in Hamilton, Ontario. Five participants took part in the goal setting feasibility study phase I, which tested the functionality of a technology-enabled goal setting exercise between older adults and volunteers. Based on observations and feedback from volunteers, interprofessional team members, and older adults, the exercise was refined to include a guided survey and goals report. The goal setting survey is a list of probing questions designed based on SMART (specific, measurable, attainable, relevant, timely) goal setting strategies and goal attainment scaling (GAS). This was used in phase II, carried out with 16 participants, where the feasibility of goal setting and goal attainment with support from volunteers and interprofessional teams was tested. Volunteers carried out the goal setting survey via a tablet computer, a report of client goals was generated and sent to interprofessional teams, and client goals were discussed during clinic huddles. At 6 months of follow-up, clients self-evaluated their progress using GAS.Results and discussionThe goal setting exercise in phase I took an average of 24:45 (SD 11:42) minutes and yielded a diverse set of life and health goals. Goals identified by older adults were primarily focused on the maintenance of a certain level of activity or health state. Phase I work resulted in important changes to the goal setting process (e.g., asking about goal setting later in conversation, changing wording of questions) and development of a summary report of goals sent to the interprofessional team. In phase II, 44 goals were set by 16 participants during an average 7:23 (SD 4:26) minute discussion. Of these goals, 43.9% were characterized as health goals while 63.4% were characterized as life goals. Under the umbrella of Life goals, productivity featured most prominently at 22.9% of all goals. Goal attainment was not measured in phase I. In phase II, clients had an average weighted goal attainment score of 51.5. Considering client preferences for one goal over another, 68.8% of clients, on average, at least partially achieved the goals they had set.ConclusionGoal setting as part of the Health TAPESTRY approach was feasible and provided interprofessional teams with client narratives that helped improve care management for older adults. The overall intervention—including the refined goal setting component—is being scaled and evaluated in a pragmatic randomized controlled trial.

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