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PubMed2004

Prospective evaluation of an internet-linked handheld computer critical care knowledge access system.

INTRODUCTION: Critical care physicians may benefit from immediate access to medical reference material. We evaluated the feasibility and potential benefits of a handheld computer based knowledge access system linking a central academic intensive care unit (ICU) to multiple community-based ICUs. METHODS: Four community hospital ICUs with 17 physicians participated in this prospective interventional study. Following training in the use of an internet-linked, updateable handheld computer knowledge access system, the physicians used the handheld devices in their clinical environment for a 12-month intervention period. Feasibility of the system was evaluated by tracking use of the handheld computer and by conducting surveys and focus group discussions. Before and after the intervention period, participants underwent simulated patient care scenarios designed to evaluate the information sources they accessed, as well as the speed and quality of their decision making. Participants generated admission orders during each scenario, which were scored by blinded evaluators. RESULTS: Ten physicians (59%) used the system regularly, predominantly for nonmedical applications (median 32.8/month, interquartile range [IQR] 28.3-126.8), with medical software accessed less often (median 9/month, IQR 3.7-13.7). Eight out of 13 physicians (62%) who completed the final scenarios chose to use the handheld computer for information access. The median time to access information on the handheld handheld computer was 19 s (IQR 15-40 s). This group exhibited a significant improvement in admission order score as compared with those who used other resources (P = 0.018). Benefits and barriers to use of this technology were identified. CONCLUSION: An updateable handheld computer system is feasible as a means of point-of-care access to medical reference material and may improve clinical decision making. However, during the study, acceptance of the system was variable. Improved training and new technology may overcome some of the barriers we identified.

Academic Medical Centers↗
PubMed2001

Introducing handheld computing into a residency program: preliminary results from qualitative and quantitative inquiry.

Although published reports describe specific handheld computer applications in medical training, we know very little yet about how, and how well, handheld computing fits into the spectrum of information resources available for patient care and physician training. This paper reports preliminary quantitative and qualitative results from an evaluation study designed to track changes in computer usage patterns and computer-related attitudes before and after introduction of handheld computing. Pre-implementation differences between residents and faculty s usage patterns are interpreted in terms of a "work role" construct. We hypothesize that over time residents and faculty will adopt, adapt, or abandon handheld computing according to how, and how well, this technology supports their successful completion of work role-related tasks. This hypothesis will be tested in the second phase of this pre- and post-implementation study.

Attitude of Health Personnel↗
PubMed2004

Live broadcast of laparoscopic surgery to handheld computers.

BACKGROUND: Thanks to advances in computer power and miniaturization technology, portable electronic devices are now being used to assist physicians with various applications that extend far beyond Web browsing or sending e-mail. Handheld computers are used for electronic medical records, billing, coding, and to enable convenient access to electronic journals for reference purposes. The results of diagnostic investigations, such as laboratory results, study reports, and still radiographic pictures, can also be downloaded into portable devices for later view. Handheld computer technology, combined with wireless protocols and streaming video technology, has the added potential to become a powerful educational tool for medical students and residents. The purpose of this study was to assess the feasibility of transferring multimedia data in real time to a handheld computer via a wireless network and displaying them on the computer screens of clients at remote locations. METHODS: A live laparoscopic splenectomy was transmitted live to eight handheld computers simultaneously through our institution's wireless network. RESULTS: All eight viewers were able to view the procedure and to hear the surgeon's comments throughout the entire duration of the operation. CONCLUSION: Handheld computer technology can play a key role in surgical education by delivering information to surgical residents or students when they are geographically distant from the actual event. Validation of this new technology by conducting clinical research is still needed to determine whether resident physicians or medical students can benefit from the use of handheld computers.

Audiovisual Aids↗
PubMed2004

Critical care procedure logging using handheld computers.

INTRODUCTION: We conducted this study to evaluate the feasibility of implementing an internet-linked handheld computer procedure logging system in a critical care training program. METHODS: Subspecialty trainees in the Interdepartmental Division of Critical Care at the University of Toronto received and were trained in the use of Palm handheld computers loaded with a customized program for logging critical care procedures. The procedures were entered into the handheld device using checkboxes and drop-down lists, and data were uploaded to a central database via the internet. To evaluate the feasibility of this system, we tracked the utilization of this data collection system. Benefits and disadvantages were assessed through surveys. RESULTS: All 11 trainees successfully uploaded data to the central database, but only six (55%) continued to upload data on a regular basis. The most common reason cited for not using the system pertained to initial technical problems with data uploading. From 1 July 2002 to 30 June 2003, a total of 914 procedures were logged. Significant variability was noted in the number of procedures logged by individual trainees (range 13-242). The database generated by regular users provided potentially useful information to the training program director regarding the scope and location of procedural training among the different rotations and hospitals. CONCLUSION: A handheld computer procedure logging system can be effectively used in a critical care training program. However, user acceptance was not uniform, and continued training and support are required to increase user acceptance. Such a procedure database may provide valuable information that may be used to optimize trainees' educational experience and to document clinical training experience for licensing and accreditation.

Adult↗
PubMed2005

Handheld computer software for school nurses.

School nurses used computers in the 1980s, the Internet in the 1990s, and are embracing handheld computers in the first decade of the 21st century to improve their practice. The purpose of this article is to provide information about handheld computers and software applications that school nurses can use in day-to-day, emergency, and disaster situations. Handheld computers help school nurses to make decisions based on accurate and up-to-date information, and to practice evidence-based nursing. Evidence-based nursing is the process by which nurses make clinical decisions using the best available research evidence, their clinical expertise, and patient preferences.

Computers, Handheld↗
PubMed2006

Utilising handheld computers to monitor and support patients receiving chemotherapy: results of a UK-based feasibility study.

GOALS OF WORK: Recent changes in cancer service provision mean that many patients spend a limited time in hospital and therefore experience and must cope with and manage treatment-related side effects at home. Information technology can provide innovative solutions in promoting patient care through information provision, enhancing communication, monitoring treatment-related side effects and promoting self-care. PATIENTS AND METHODS: The aim of this feasibility study was to evaluate the acceptability of using handheld computers as a symptom assessment and management tool for patients receiving chemotherapy for cancer. A convenience sample of patients (n = 18) and health professionals (n = 9) at one Scottish cancer centre was recruited. Patients used the handheld computer to record and send daily symptom reports to the cancer centre and receive instant, tailored symptom management advice during two treatment cycles. Both patients' and health professionals' perceptions of the handheld computer system were evaluated at baseline and at the end of the project. MAIN RESULTS: Patients believed the handheld computer had improved their symptom management and felt comfortable in using it. The health professionals also found the handheld computer to be helpful in assessing and managing patients' symptoms. CONCLUSIONS: This project suggests that a handheld-computer-based symptom management tool is feasible and acceptable to both patients and health professionals in complementing the care of patients receiving chemotherapy.

Adult↗
PubMed2005

Handheld computers in veterinary medical education: a view from human medical education.

Handheld computers are widely used in clinical practice, and their use in both human medical education and veterinary medical education is increasing, especially, for the former, in activities involving point-of-care access. This article references the insights that can be obtained from the usage and activities that are gaining a strong foothold in human medical education. Handheld computer technology gives students access to a large and changing knowledge base for clinical practice, especially when they are geographically dispersed. Differences in use between education and practice largely relate to the importance clinicians place on patient information. Student use focuses on progress mapping and ready access to clinical reference material. Suggestions are made for future use in medical education.

Computer-Assisted Instruction↗
PubMed2003

Handheld computers. A feasible alternative to paper forms for field data collection.

Recent advances in handheld computer hardware and software may provide alternatives to paper-based data collection methods. The authors compared data collected with paper forms to data collected with handheld computer-based forms in a field observation study of alcohol purchase attempts at 47 community festivals in a large metropolitan area. Agreement between data collected with paper forms and data collected with handheld computers was greater than 95%. Computer-based forms handled branching patterns better and yielded data that were immediately available for analyses. Paper forms handled written comments better. Handheld computers are a feasible alternative to paper forms for field data collection.

Adult↗
PubMed2002

Wireless live streaming video of laparoscopic surgery: a bandwidth analysis for handheld computers.

Over the last six years, streaming media has emerged as a powerful tool for delivering multimedia content over networks. Concurrently, wireless technology has evolved, freeing users from desktop boundaries and wired infrastructures. At the University of Kentucky Medical Center, we have integrated these technologies to develop a system that can wirelessly transmit live surgery from the operating room to a handheld computer. This study establishes the feasibility of using our system to view surgeries and describes the effect of bandwidth on image quality. A live laparoscopic ventral hernia repair was transmitted to a single handheld computer using five encoding speeds at a constant frame rate, and the quality of the resulting streaming images was evaluated. No video images were rendered when video data were encoded at 28.8 kilobytes per second (Kbps), the slowest encoding bitrate studied. The highest quality images were rendered at encoding speeds greater than or equal to 150 Kbps. Of note, a 15 second transmission delay was experienced using all four encoding schemes that rendered video images. We believe that the wireless transmission of streaming video to handheld computers has tremendous potential to enhance surgical education. For medical students and residents, the ability to view live surgeries, lectures, courses and seminars on handheld computers means a larger number of learning opportunities. In addition, we envision that wireless enabled devices may be used to telemonitor surgical procedures. However, bandwidth availability and streaming delay are major issues that must be addressed before wireless telementoring becomes a reality.

Computers, Handheld↗
PubMed2003

The use of handheld computers in scenario-based procedural assessments.

This paper describes the authors' experiences of using handheld computers within scenario-based formative assessments aimed at developing clinical procedural skills. Previous experiences of using paper forms in these assessments were problematic. Multiple paper forms were generated and data sets were sometimes incomplete. Forms adapted for use on handheld computers offer significant potential advantages over paper-based versions. These include streamlining the process of data collection, entry and retrieval, thereby reducing data loss and providing learners with immediate and cumulative feedback on their performance. All participants in this study found the Personal Digital Assistant (PDA) forms easy to use. Further adaptation, together with increased familiarity with PDA technology, will address users' feedback by providing more space for free text and a larger visual field. Technical expertise is required for the development and delivery of PDA-based forms, but their potential for use in formative and summative assessments is considerable.

Attitude of Health Personnel↗
PubMed2006

Use of handheld computers in medical education. A systematic review.

BACKGROUND: Over the past decade, handheld computers (or personal digital assistants [PDAs]) have become a popular tool among medical trainees and physicians. Few comprehensive reviews of PDA use in medicine have been published. OBJECTIVE: We systematically reviewed the literature to (1) describe medical trainees' use of PDAs for education or patient care, (2) catalog popular software applications, and (3) evaluate the impact of PDA use on patient care. DATA SOURCES: MEDLINE (1993 to 2004), medical education-related conference proceedings, and hand search of article bibliographies. REVIEW METHODS: We identified articles and abstracts that described the use of PDAs in medical education by trainees or educators. Reports presenting a qualitative or quantitative evaluation were included. RESULTS: Sixty-seven studies met inclusion criteria. Approximately 60% to 70% of medical students and residents use PDAs for educational purposes or patient care. Satisfaction was generally high and correlated with the level of handheld computer experience. Most of the studies included described PDA use for patient tracking and documentation. By contrast, trainees rated medical textbooks, medication references, and medical calculators as the most useful applications. Only 1 randomized trial with educational outcomes was found, demonstrating improved learning and application of evidence-based medicine with use of PDA-based decision support software. No articles reported the impact of PDA use on patient outcomes. CONCLUSION: Most medical trainees find handhelds useful in their medical education and patient care. Further studies are needed to evaluate how PDAs impact learning and clinical outcomes.

Attitude of Health Personnel↗
PubMed2005

Handheld computers and paper diaries for documenting the use of factor concentrates used in haemophilia home therapy: a qualitative study.

A recently published randomized controlled trial (RCT) showed that adherence to infusion diary record keeping was improved by the use of handheld computers. In this study, attitudes to record keeping were explored and patient preferences regarding the method of recording determined for the patients who participated in the trial. Qualitative study consisting of individual semi-structured interviews with 20 severely affected patients with haemophilia who participated in an RCT. Individuals were purposefully sampled based on their recent method of record keeping and whether child or adult. Analysis employed a constant comparative method to identify key themes from the data. Most individuals (19 of 20, 95%) considered record keeping to be important. They readily identified reasons to keep records: to benefit themselves, their families, clinical staff, product distributors and manufacturers. Keeping records helps them: feel a part of the health care team; have confidence they would be notified of product recalls; review their past history; improve their ability to advocate for themselves and improve communication among all parties. Record keeping, particularly when using paper diaries, can be burdensome and a challenge to maintain consistently. All 10 individuals (100%) who had used both paper diaries and handheld computers preferred the latter. Most patients understand that record keeping can be of benefit to them. Clinics can use this knowledge to inspire other patients by developing educational programmes that de-emphasize authority. In addition, given the evidence of both patients' preference for handheld computers, and the effectiveness of this approach documented in an RCT, switching to handheld computers is likely to improve record keeping.

Adolescent↗
PubMed2001

Handheld computers in critical care.

BACKGROUND: Computing technology has the potential to improve health care management but is often underutilized. Handheld computers are versatile and relatively inexpensive, bringing the benefits of computers to the bedside. We evaluated the role of this technology for managing patient data and accessing medical reference information, in an academic intensive-care unit (ICU). METHODS: Palm III series handheld devices were given to the ICU team, each installed with medical reference information, schedules, and contact numbers. Users underwent a 1-hour training session introducing the hardware and software. Various patient data management applications were assessed during the study period. Qualitative assessment of the benefits, drawbacks, and suggestions was performed by an independent company, using focus groups. An objective comparison between a paper and electronic handheld textbook was achieved using clinical scenario tests. RESULTS: During the 6-month study period, the 20 physicians and 6 paramedical staff who used the handheld devices found them convenient and functional but suggested more comprehensive training and improved search facilities. Comparison of the handheld computer with the conventional paper text revealed equivalence. Access to computerized patient information improved communication, particularly with regard to long-stay patients, but changes to the software and the process were suggested. CONCLUSIONS: The introduction of this technology was well received despite differences in users' familiarity with the devices. Handheld computers have potential in the ICU, but systems need to be developed specifically for the critical-care environment.

Artificial Intelligence↗
PubMed2004

Handheld computer use in a family medicine clerkship.

PURPOSE: The objectives of this study were to track students' use of medical and nonmedical personal digital assistant (PDA) software and to obtain students' ratings of the usefulness of PDAs in a family medicine clerkship. METHOD: During the academic year 2001-02, third-year clerkship students at the Northeastern Ohio Universities College of Medicine were loaned PDAs equipped with company-installed software, such as a date book and address book. Additional software was installed (Griffith's 5 Minute Clinical Consult, ePocrates qRx, ePocrates qID, iSilo, HanDBase, MedCalc, and Application Usage). Pre- and post-orientation questionnaires and a post-rotation evaluation measured students' comfort level, the perceived usefulness, and ratings of programs on their PDA. Application Usage tracked the number of minutes and times students used each software program. RESULTS: Eighty-five students completed the study. They rated ePocrates qRx and Griffith's 5 Minute Clinical Consult the most useful medical software programs. PDAs were rated as "almost always" enhancing the clerkship experience. Students reported the PDA altered the way they accessed clinical information and that every few days it helped them understand a clinical discussion. Experience with computer technology was correlated with PDA use. CONCLUSIONS: This study objectively demonstrates clerkship students' use of PDA resources. Students' use mirrors their assessment of the value of the software. Although PDAs and software programs can be an expense, it is a worthwhile educational resource as evaluated by the medical student.

Adult↗
PubMed2004

Handheld computers.

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Attitude to Computers↗