Browsing by Author "Lovis, Christian"
Now showing 1 - 13 of 13
Results Per Page
Sort Options
- ItemAcceptance of a Mobile Application Supporting Nurses Workflow at Patient Bedside: Results from a Pilot Study.(0000-00-00) Ehrler, Frederic; Ducloux, Pascal; Wu, Danny T Y; Lovis, Christian; Blondon, KatherineSupporting caregivers workflow with mobile applications apps is a growing trend At the bedside apps can provide new ways to support the documentation process rather than using a desktop computer in a nursing office Although these applications show potential few existing reports have studied the real impact of such solutions At the University Hospitals of Geneva we developed BEDside Mobility a mobile application supporting nurses daily workflow In a pilot study the app was trialed in two wards for a period of one month We collected data of the actual usage of the app and asked the users to complete a tailored technology acceptance model questionnaire at the end of the study period Results show that participation remain stable with time with participants using in average the tool for almost 29 minutes per day The technology acceptance questionnaires revealed a high usability of the app and good promotion from the institution although users did not perceive any increase in productivity Overall intent of use was divergent between promoters and antagonist Furthermore some participants considered the tool as an addition to their workload This evaluation underlines the importance of helping all end users perceive the benefits of a new intervention since coworkers strong influence each other
- ItemADHD Mobile App Feasibility Test for Adults.(0000-00-00) Luiu, Anna Laura; Prada, Paco; Perroud, Nader; Lovis, Christian; Ehrler, FredericAttention deficit hyperactivity disorder ADHD is characterized by inattention and or hyperactivity impulsiveness For many adults ADHD remains undiagnosed and or untreated impacting their quality of life There is a growing interest to use mobile technology interventions as a complementary support for mental health issues Mobile apps could be usefully personalized for helping adults in managing ADHD issues The aim of this study is to examine perceived helpfulness ergonomics and willingness to use of an ADHD mobile app based on the PAPM model A sample of 6 ADHD patients tested the ADHD mobile app prototype and were interviewed about their satisfaction and the perceived helpfulness of the app Data indicate that participants were very satisfied with ADHD app and perceived it as being moderately to very helpful regarding their ADHD symptoms These findings suggest that the app has the potential to be an effective self management tool for ADHD
- ItemChallenges in the Implementation of a Mobile Application in Clinical Practice: Case Study in the Context of an Application that Manages the Daily Interventions of Nurses.(2014-08-07) Ehrler, Frederic; Wipfli, Rolf; Teodoro, Douglas; Sarrey, Everlyne; Walesa, Magali; Lovis, ChristianBACKGROUND Working in a clinical environment requires unfettered mobility This is especially true for nurses who are always on the move providing patients care in different locations Since the introduction of clinical information systems in hospitals this mobility has often been considered hampered by interactions with computers The popularity of personal mobile assistants such as smartphones makes it possible to gain easy access to clinical data anywhere OBJECTIVE To identify the challenges involved in the deployment of clinical applications on handheld devices and to share our solutions to these problems METHODS A team of experts underwent an iterative development process of a mobile application prototype that aimed to improve the mobility of nurses during their daily clinical activities Through the process challenges inherent to mobile platforms have emerged These issues have been classified focusing on factors related to ensuring information safety and quality as well as pleasant and efficient user experiences RESULTS The team identified five main challenges related to the deployment of clinical mobile applications and presents solutions to overcome each of them 1 Financial Equipping every care giver with a new mobile device requires substantial investment that can be lowered if users use their personal device instead 2 Hardware The constraints inherent to the clinical environment made us choose the mobile device with the best tradeoff between size and portability 3 Communication the connection of the mobile application with any existing clinical information systems CIS is insured by a bridge formatting the information appropriately 4 Security In order to guarantee the confidentiality and safety of the data the amount of data stored on the device is minimized and 5 User interface The design of our user interface relied on homogeneity hierarchy and indexicality principles to prevent an increase in data acquisition errors CONCLUSIONS The introduction of nomadic computing often raises enthusiastic reactions from users but several challenges due to specific constraints of mobile platforms must be overcome The ease of development of mobile applications and their rapid spread should not overshadow the real challenges of clinical applications and the potential threats for patient safety and the liability of people and organizations using them For example careful attention must be given to the overall architecture of the system and to user interfaces If these precautions are not taken it can easily lead to unexpected failures such as an increased number of input errors loss of data or decreased efficiency
- ItemDesign of InterFACE: A Tool to Improve Collaborative Work and Decision Making During Rescucitation.(0000-00-00) Ehrler, Frederic; Del Zotto, Marzia; Rouyer, Frederic; Weinhold, Thomas; Lovis, Christian; Siebert, JohanSuccessful resuscitation requires good teamwork communication and quick decision making The complexity of the situation makes the communication often erratic As a consequence improper decisions can be taken and errors can occur endangering patients In order to support the resuscitation team in their work we developed an innovative product named Interconnected and Focused Mobile Applications on Patients Care Environment InterFACE enhancing team situational awareness and improving the team communication process To develop our solution we relied on a user centred design process involving caregivers from both adult and paediatric emergency departments The process started with interviews and observations followed by an iterative development approach validated at each step by end users The resulting intervention is composed of a tablet app interacting with a large screen visible to each members of the resuscitation team presenting real time information about the resuscitation Resuscitations are very complex and challenging situations involving many actors Designing a support tool for such situations requires a strong involvement of end users to understand how people work together and what information they share
- ItemHandheld vs. laptop computers for electronic data collection in clinical research: a crossover randomized trial.(2009-09-16) Haller, Guy; Haller, Dagmar M; Courvoisier, Delphine S; Lovis, ChristianOBJECTIVE To compare users speed number of entry errors and satisfaction in using two current devices for electronic data collection in clinical research handheld and laptop computers DESIGN The authors performed a randomized cross over trial using 160 different paper based questionnaires and representing altogether 45 440 variables Four data coders were instructed to record according to a random predefined and equally balanced sequence the content of these questionnaires either on a laptop or on a handheld computer Instructions on the kind of device to be used were provided to data coders in individual sealed and opaque envelopes Study conditions were controlled and the data entry process performed in a quiet environment MEASUREMENTS The authors compared the duration of the data recording process the number of errors and users satisfaction with the two devices The authors divided errors into two separate categories typing and missing data errors The original paper based questionnaire was used as a gold standard RESULTS The overall duration of the recording process was significantly reduced 2 0 versus 3 3 min when data were recorded on the laptop computer p Under 0 001 Data accuracy also improved There were 5 8 typing errors per 1 000 entries with the laptop compared to 8 4 per 1 000 with the handheld computer p Under 0 001 The difference was even more important for missing data which decreased from 22 8 to 2 9 per 1 000 entries when a laptop was used p Under 0 001 Users found the laptop easier faster and more satisfying to use than the handheld computer CONCLUSIONS Despite the increasing use of handheld computers for electronic data collection in clinical research these devices should be used with caution They double the duration of the data entry process and significantly increase the risk of typing errors and missing data This may become a particularly crucial issue in studies where these devices are provided to patients or healthcare workers unfamiliar with computer technologies for self reporting or research data collection processes
- ItemINCA - Individual Nomad Clinical Assistant - supporting nurses with mobile devices.(2012-08-09) Ehrler, Frederic; Walesa, Magali; Sarrey, Evelyne; Wipfli, Rolf; Lovis, ChristianINTRODUCTION A completely structured nursing record has been deployed in the 8 hospitals of the University hospitals of Geneva Even with laptops the access to the records restrains nurses mobility during their bedside work It has lead to a strong demand for mobile devices PROBLEM There are several papers showing that mobile computers can lead to increase time for data acquisition increased errors and omissions Thus there are important challenges at developing these tools while respecting the mobile paradigm and the needs for qualitative and efficient acquisition A simple translation of user interfaces from usual computers is not recommended RESULTS After evaluating various user interfaces with users in real conditions we propose a solution that eases the selection of patients the navigation into the various screens and provides a very clear list of tasks to achieve for nurses CONCLUSION The article exposes the difficulties to adapt an existing tool on mobile devices Despite these difficulties by organizing smartly the displayed information we produced a tool with similar functionalities but better adapted to the user
- ItemA Mobile App (BEDSide Mobility) to Support Nurses' Tasks at the Patient's Bedside: Usability Study.(0000-00-00) Ehrler, Frederic; Weinhold, Thomas; Joe, Jonathan; Lovis, Christian; Blondon, KatherineBACKGROUND The introduction of clinical information systems has increased the amount of clinical documentation Although this documentation generally improves patient safety it has become a time consuming task for nurses which limits their time with the patient On the basis of a user centered methodology we have developed a mobile app named BEDSide Mobility to support nurses in their daily workflow and to facilitate documentation at the bedside OBJECTIVE The aim of the study was to assess the usability of the BEDSide Mobility app in terms of the navigation and interaction design through usability testing METHODS Nurses were asked to complete a scenario reflecting their daily work with patients Their interactions with the app were captured with eye tracking glasses and by using the think aloud protocol After completing the tasks participants filled out the system usability scale questionnaire Descriptive statistics were used to summarize task completion rates and the users performance RESULTS A total of 10 nurses aged 21 50 participated in the study Overall they were satisfied with the navigation layout and interaction design of the app with the exception of one user who was unfamiliar with smartphones The problems identified were related to the ambiguity of some icons the navigation logic and design inconsistency CONCLUSIONS Besides the usability issues identified in the app the participants results do indicate good usability high acceptance and high satisfaction with the developed app However the results must be taken with caution because of the poor ecological validity of the experimental setting
- ItemMotivational Factors for User Engagement with mHealth Apps.(0000-00-00) Woldaregay, Ashenafi Zebene; Issom, David-Zacharie; Henriksen, André; Marttila, Henna; Mikalsen, Martin; Pfuhl, Gerit; Sato, Keiichi; Lovis, Christian; Hartvigsen, GunnarThe widespread adoption of smartphones creates an enormous potential to improve healthcare services Numerous apps sensors and devices are developed for health self management purposes However adoption rates remain low and long term user engagement is a major issue The goal of this study is to identify major motivational factors that can facilitate prolonged use of mobile health systems To this end we conducted 16 interviews with representatives of various cultural backgrounds disease history age and gender Participants experiences indicated that existing systems were unable to answer their self management needs properly People with a disease history favored learning from data as well as from others via social media integration People without chronic disease felt more reserved about social media integration In conclusion systems that collect and share personal data should have a clear opt in or opt out option to motivate usage Additionally researchers and mobile health system developers could achieve long term adoption by giving clear answers to privacy and trust issues while offering people strong added value according to their individual needs
- ItemPatient-centered applications: use of information technology to promote disease management and wellness. A white paper by the AMIA knowledge in motion working group.(2007-12-14) Demiris, George; Afrin, Lawrence B; Speedie, Stuart; Courtney, Karen L; Sondhi, Manu; Vimarlund, Vivian; Lovis, Christian; Goossen, William; Lynch, CecilAdvances in information technology IT enable a fundamental redesign of health care processes based on the use and integration of electronic communication at all levels New communication technologies can support a transition from institution centric to patient centric applications This white paper defines key principles and challenges for designers policy makers and evaluators of patient centered technologies for disease management and prevention It reviews current and emerging trends highlights challenges related to design evaluation reimbursement and usability and reaches conclusions for next steps that will advance the domain
- ItemTechnological choices for mobile clinical applications.(2011-09-06) Ehrler, Frederic; Issom, David; Lovis, ChristianThe rise of cheaper and more powerful mobile devices make them a new and attractive platform for clinical applications The interaction paradigm and portability of the device facilitates bedside human machine interactions The better accessibility to information and decision support anywhere in the hospital improves the efficiency and the safety of care processes In this study we attempt to find out what are the most appropriate Operating System OS and Software Development Kit SDK to support the development of clinical applications on mobile devices The Android platform is a Linux based open source platform that has many advantages Two main SDKs are available on this platform the native Android and the Adobe Flex SDK Both of them have interesting features but the latter has been preferred due its portability at comparable performance and ease of development
- ItemTelemedicine in Western Africa: lessons learned from a pilot project in Mali, perspectives and recommendations.(2004-01-19) Geissbuhler, Antoine; Ly, Ousmane; Lovis, Christian; L'Haire, Jean-Françoisto evaluate the feasibility potential and risks of an internet based telemedicine network in developing countries of Western Africa
- ItemUnderstanding usage patterns of handheld computers in clinical practice.(2002-12-04) Tschopp, Mathias; Lovis, Christian; Geissbuhler, AntoineHandheld computers are commonly used in clinical practice and often considered invaluable by physicians Though full of promise the technology is still costly and literature assessing its real use in clinical practice remains scarce In an effort to better understand how Personal Digital Assistants PDA can be utilized as clinical tools we designed a study that closely monitored the use of a selection of handheld applications by a cohort of interns in a service of Internal Medicine Information gathered about actual use of the mobile applications offer valuable insights on usage patterns of tools that promise to be become an important part of our clinical practice in the years to come and will hopefully help guide future developments
- ItemUser acquaintance with mobile interfaces.(2013-06-06) Ehrler, Frederic; Walesa, Magali; Sarrey, Evelyne; Wipfli, Rolf; Lovis, ChristianHandheld technology finds slowly its place in the healthcare world Some clinicians already use intensively dedicated mobile applications to consult clinical references However handheld technology hasn t still broadly embraced to the core of the healthcare business the hospitals The weak penetration of handheld technology in the hospitals can be partly explained by the caution of stakeholders that must be convinced about the efficiency of these tools before going forward In a domain where temporal constraints are increasingly strong caregivers cannot loose time on playing with gadgets All users are not comfortable with tactile manipulations and the lack of dedicated peripheral complicates entering data for novices Stakeholders must be convinced that caregivers will be able to master handheld devices In this paper we make the assumption that the proper design of an interface may influence users performances to record information We are also interested to find out whether users increase their efficiency when using handheld tools repeatedly To answer these questions we have set up a field study to compare users performances on three different user interfaces while recording vital signs Some user interfaces were familiar to users and others were totally innovative Results showed that users familiarity with smartphone influences their performances and that users improve their performances by repeating a task