Absolute energy levels of liquid water from many-body perturbation theory with effective vertex corrections.

We demonstrate the importance of addressing the Γ vertex and thus going beyond the GW approximation for achieving the energy levels of liquid water in many-body perturbation theory. In particular, we consider an effective vertex function in both the polarizability and the self-energy, which does not produce any computational overhead compared with the GW approximation. We yield the band gap, the ionization potential, and the electron affinity in good agreement with experiment and with a hybrid functional description. The achieved electronic structure and dielectric screening further lead to a good description of the optical absorption spectrum, as obtained through the solution of the Bethe-Salpeter equation. In particular, the experimental peak position of the exciton is accurately reproduced.

Measuring medically unjustified hospitalizations in Switzerland.

BACKGROUND: Inappropriate use of acute hospital beds is a major topic in health politics. We present here a new approach to measure unnecessary hospitalizations in Medicine and Pediatrics. METHODS: The necessity of a hospital admission was determined using explicit criteria related to the recorded diagnoses. Two indicators (i.e. "unjustified" and "sometimes justified" stays) were applied to more than 800,000 hospital stays and a random sample of 200 of them was analyzed by two clinicians, using routine data available in medical statistics. The validation of the indicators focused on their precision, validity and adjustment, as well as their usefulness (i.e. interest and risk of abuse). RESULTS: Rates, adjusted for case mix (i.e. age of patient, admission planned or not), showed statistically significant differences among hospitals. Only 6.5% of false positives were observed for "unjustified stays" and 17% for "sometimes justified stays". Respectively 7 and 12% of stays had an unknown status, due to a lack of sufficiently precise data. Considering true positives only, almost one third of medical and pediatric stays were classified as not strictly justified from a medical point of view in Switzerland. Among these stays, about one fifth could have probably been avoided without risk. To enable a larger ambulatory shift, recommendations were made to strengthen the ambulatory care, notably regarding post-emergency follow-up, cardiac and pulmonary functions' monitoring, pain management, falls prevention, and specialized at-home services that should be offered. CONCLUSION: We recommend using "unjustified stays" and "sometimes justified stays" indicators to monitor inappropriate hospitalizations. The latter could help the planning of reinforced ambulatory care measures to pursue the ambulatory shift. Nonetheless, we clearly advise against the use of these two indicators for hospitals financing purposes.

[Electronic health record: strongbox, PDF bin, or collective public health project ?] / Dossier électronique du patient: coffre-fort, poubelle à PDF, ou projet collectif de santé publique ?

The advent of the electronic health record (EHR) raises many questions regarding its adoption and its added value for patients, clinicians and the entire healthcare system. Based on the results of a participatory project that brought together citizens and experts, we show that the EHR should be understood as a collective and evolving project serving public health objectives, and that both patients and healthcare professionals should contribute to its development. Therefore, this common project represents a significant opportunity to strengthen the patient-professionals partnership.

L'arrivée du dossier électronique du patient (DEP) soulève de nombreuses questions concernant son adoption et ses plus-values pour les patients, les cliniciens et l'ensemble du système de santé. Sur la base des résultats d'un projet participatif réunissant des citoyens et des experts, nous montrons dans cet article que le DEP devrait être compris comme un projet collectif et évolutif au service des objectifs de santé publique, dont le développement devrait bénéficier d'apports conjoints des patients et des professionnels de santé. Ce dossier commun représente ainsi une opportunité majeure pour renforcer le partenariat patients-professionnels.

Improving Primary Care Medication Processes by Using Shared Electronic Medication Plans in Switzerland: Lessons Learned From a Participatory Action Research Study.

BACKGROUND: Several countries have launched health information technology (HIT) systems for shared electronic medication plans. These systems enable patients and health care professionals to use and manage a common list of current medications across sectors and settings. Shared electronic medication plans have great potential to improve medication management and patient safety, but their integration into complex medication-related processes has proven difficult, and there is little scientific evidence to guide their implementation. OBJECTIVE: The objective of this paper is to summarize lessons learned from primary care professionals involved in a pioneering pilot project in Switzerland for the systemwide implementation of shared electronic medication plans. We collected experiences, assessed the influences of the local context, and analyzed underlying mechanisms influencing the implementation. METHODS: In this formative action research study, we followed 5 clusters of health care professionals during 6 months. The clusters represented rural and urban primary care settings. A total of 18 health care professionals (primary care physicians, pharmacists, and nurses) used the pilot version of a shared electronic medication plan on a secure web platform, the precursor of Switzerland's electronic patient record infrastructure. We undertook 3 group interviews with each of the 5 clusters, analyzed the content longitudinally and across clusters, and summarized it into lessons learned. RESULTS: Participants considered medication plan management, digitalized or not, a core element of good clinical practice. Requirements for the successful implementation of a shared electronic medication plan were the integration into and simplification of clinical routines. Participants underlined the importance of an enabling setting with designated reference professionals and regular high-quality interactions with patients. Such a setting should foster trusting relationships and nurture a culture of safety and data privacy. For participants, the HIT was a necessary but insufficient building block toward better interprofessional communication, especially in transitions. Despite oral and written information, the availability of shared electronic medication plans did not generate spontaneous demand from patients or foster more engagement in their medication management. The variable settings illustrated the diversity of medication management and the need for local adaptations. CONCLUSIONS: The results of our study present a unique and comprehensive description of the sociotechnical challenges of implementing shared electronic medication plans in primary care. The shared ownership among multiple stakeholders is a core challenge for implementers. No single stakeholder can build and maintain a safe, usable HIT system with up-to-date medication information. Buy-in from all involved health care professionals is necessary for consistent medication reconciliation along the entire care pathway. Implementers must balance the need to change clinical processes to achieve improvements with the need to integrate the shared electronic medication plan into existing routines to facilitate adoption. The lack of patient involvement warrants further study.

An Expanded Conceptual Framework of Medical Students' Primary Care Career Choice.

In many countries, the number of graduating medical students pursuing a primary care career does not meet demand. These countries face primary care physician shortages. Students' career choices have been widely studied, yet many aspects of this process remain unclear. Conceptual models are useful to plan research and educational interventions in such complex systems.The authors developed a framework of primary care career choice in undergraduate medical education, which expands on previously published models. They used a group-based, iterative approach to find the best way to represent the vast array of influences identified in previous studies, including in a recent systematic review of the literature on interventions to increase the proportion of students choosing a primary care career. In their framework, students enter medical school with their personal characteristics and initial interest in primary care. They complete a process of career decision making, which is subject to multiple interacting influences, both within and outside medical school, throughout their medical education. These influences are stratified into four systems-microsystem, mesosystem, exosystem, and macrosystem-which represent different levels of interaction with students' career choices.This expanded framework provides an updated model to help understand the multiple factors that influence medical students' career choices. It offers a guide for the development of new interventions to increase the proportion of students choosing primary care careers and for further research to better understand the variety of processes involved in this decision.

Impact of the primary care curriculum and its teaching formats on medical students' perception of primary care: a cross-sectional study.

BACKGROUND: Switzerland is facing an impending primary care workforce crisis since almost half of all primary care physicians are expected to retire in the next decade. Only a minority of medical students choose a primary care specialty, further deepening the workforce shortage. It is therefore essential to identify ways to promote the choice of a primary care career. The aim of the present study was to explore students' views about the undergraduate primary care teaching curriculum and different teaching formats, and to evaluate the possible impact of these views on students' perceptions of primary care. METHODS: We surveyed fifth year medical students from the Medical Faculties in Geneva and Lausanne, Switzerland (n = 285) with a four sections electronic questionnaire. We carried out descriptive analyses presented as frequencies for categorical data, and means and/or medians for continuous data. RESULTS: The response rate was 43 %. Overall, primary care teaching had a positive impact on students' image of primary care. In Lausanne, primary care curricular components were rated more positively than in Geneva. Curricular components that were not part of the primary care teaching, but were nevertheless cited by some students, were frequently perceived as having a negative impact. CONCLUSIONS: The primary care curriculum at Lausanne and Geneva Universities positively influences students' perceptions of this discipline. However, there are shortcomings in both the structure and the content of both the primary care and hidden curriculum that may contribute to perpetuating a negative image of this specialization.