Virtual patients as a form of educational intervention can take many forms and can provide highly effective ways of addressing reduced student access to real patients, the need for standardised and well-structured educational patient encounters, and opportunities for students to practice in safe and responsive environments. However, virtual patients can also be complicated and costly to develop. As a result collaborative and distributed development is best suited to their widespread take up. This paper considers the development and use of virtual patients and the steps that have been taken to support authors in making this approach more sustainable and adaptable. In particular, this has involved the development of a common data interoperability standard, which in turn has engaged a number of communities that have developed, or are developing, virtual patient commons, consisting of shared resources, tools and knowledge for mutual benefit. The paper illustrates how innovative and otherwise difficult to sustain models for supporting and extending healthcare education, such as virtual patients, can be supported using a commons approach with commonly agreed data standards and specifications at their core.
Objective. To assess the effectiveness of virtual patient cases to promote self-directed learning (SDL) in a required advanced therapeutics course. Design. Virtual patient software based on a branched-narrative decision-making model was used to create complex patient case simulations to replace lecture-based instruction. Within each simulation, students used SDL principles to learn course objectives, apply their knowledge through clinical recommendations, and assess their progress through patient outcomes and faculty feedback linked to their individual decisions. Group discussions followed each virtual patient case to provide further interpretation, clarification, and clinical perspective. Assessments. Students found the simulated patient cases to be organized (90%), enjoyable (82%), intellectually challenging (97%), and valuable to their understanding of course content (91%). Students further indicated that completion of the virtual patient cases prior to class permitted better use of class time (78%) and promoted SDL (84%). When assessment questions regarding material on postoperative nausea and vomiting were compared, no difference in scores were found between the students who attended the lecture on the material in 2011 (control group) and those who completed the virtual patient case on the material in 2012 (intervention group). Conclusion. Completion of virtual patient cases, designed to replace lectures and promote SDL, was overwhelmingly supported by students and proved to be as effective as traditional teaching methods.
"Web 2.0" describes a collection of web-based technologies which share a user-focused approach to design and functionality, where users actively participate in content creation and editing through open collaboration between members of communities of practice. The current generation of students in medical school made Web 2.0 websites such as Facebook and MySpace some of the most popular on the Internet. Medical educators and designers of educational software applications can benefit from understanding and applying Web 2.0 concepts to the curriculum and related websites. Health science schools have begun experimenting with wikis, blogs and other Web 2.0 applications and have identified both advantages and potential problems with these relatively open, student-focused communication tools. This paper reviews the unique features of Web 2.0 technologies, addresses questions regarding potential pitfalls and suggests valuable applications in health science education.
An increasing number of medical schools have implemented or are considering implementing scholarly activity programs as part of their undergraduate medical curricula. The goal of these programs is to foster students' analytical skills, enhance their self-directed learning and their oral and written communication skills, and ultimately to train better physicians. In this article, the authors describe the approach to implementing scholarly activities at a school that requires this activity and at a school where it is elective. Both programs have dealt with significant challenges including orienting students to a complex activity that is fundamentally different than traditional medical school courses and clerkships, helping both students and their mentors understand how to "stay on track" and complete work, especially during the third and fourth years, and educating students and mentors about the responsible conduct of research, especially involving human participants. Both schools have found the implementation process to be evolutionary, requiring experience before faculty could significantly improve processes. A required scholarly activity has highlighted the need for information technology (IT) support, including Web-based document storage and student updates, as well as automatic e-mails alerting supervisory individuals to student activity. Directors of the elective program have found difficulty with both ensuring uniform outcomes across different areas of study and leadership changes in a process that has been largely student-driven. Both programs have found that teamwork, regular meetings, and close communication have helped with implementation. Schools considering the establishment of a scholarly activity should consider these factors when designing programs.
We evaluated the clinical usefulness of endoluminal CT colonography after an incomplete colonoscopy. SUBJECTS AND METHODS. We prospectively studied 40 patients in whom the cecum could not be reached endoscopically despite adequate bowel preparation. Endoluminal CT colonography (120 kVp, 120 mA, 3-mm collimation, pitch of 2, 1.5-mm interval reconstruction) was performed within 2 hr of incomplete colonoscopy. Two-dimensional multiplanar reformatted images and three-dimensional endoluminal images were analyzed. Twenty-six patients (65%) underwent barium enema immediately after endoluminal CT colonography. We analyzed colonic distention; duration of endoluminal CT colonography; patient tolerance: number of colonic segments seen at colonoscopy, endoluminal CT colonography, and barium enema; and reasons for incomplete colonoscopy as well as colonic and extracolonic findings. RESULTS. Duration of endoluminal CT colonography was 14.2 ± 4.6 mm (mean ± SD). Endoluminal CT colonography was better tolerated than colonoscopy or barium enema (p < .001). Probable causes for incomplete colonoscopy were identified at endoluminal CT colonography in 74% of 40 patients. Baseline colonic distention in the region of the transverse and right colon was considered adequate before additional air insufflation; however, the addition of air significantly enhanced colonic distention throughout the entire colon (p < .001). Endoluminal CT colonography adequately revealed 96% of all colonic segments; in comparison, barium enema adequately revealed 91 % of all segments (p < .05). CONCLUSION. In patients with incomplete colonoscopy, endoluminal CT colonography successfully showed the previously unrevealed colon in more than 90% of patients. Endoluminal CT colonography is a rapid, well-tolerated technique that provides clinically useful colonic and extraco-Ionic information and should be considered for all patients who undergo incomplete colonoscopy.
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