Teleradiology usage and user satisfaction with the telemedicine system operated by médecins sans frontières.

Médecins Sans Frontières (MSF) began a pilot trial of store-and-forward telemedicine in 2010, initially operating separate networks in English, French, and Spanish; these were merged into a single, multilingual platform in 2013. We reviewed the pattern of teleradiology usage on the MSF telemedicine platform in the 4-year period from April 2010. In total, 564 teleradiology cases were submitted from 22 different countries. A total of 1114 files were uploaded with the 564 cases, the majority being of type JPEG (n = 1081, 97%). The median file size was 938 kb (interquartile range, IQR 163-1659). A panel of 14 radiologists was available to report cases, but most (90%) were reported by only 4 radiologists. The median radiologist response time was 6.1 h (IQR 3.0-20). A user satisfaction survey was sent to 29 users in the last 6 months of the study. There was a 28% response rate. Most respondents found the radiologist's advice helpful and all of them stated that the advice assisted in clarification of a diagnosis. Although some MSF sites made substantial use of the system for teleradiology, there is considerable potential for expansion. More promotion of telemedicine may be needed at different levels of the organization to increase engagement of staff.

Isolated pelvic fluid in males on outpatient magnetic resonance imaging examinations: differences in incidence based on age.

PURPOSE: Determine the incidence and amount of isolated pelvic fluid in males, stratified by age, on outpatient pelvic magnetic resonance imaging (MRI) examinations performed for lower back or extremity pain. METHODS: After institutional review board approval, 161 pelvic MRIs performed on males for musculoskeletal or neurologic indications over an 18-month period were retrospectively reviewed for isolated pelvic fluid by 2 radiologists. Patients with a potential etiology for the fluid were excluded. Volume and maximal 2-dimensional measurements of fluid were calculated. Statistical analysis included logistic regression, Wilcoxon rank-sum, and χ tests. RESULTS: Twenty (44.4%) of 45 patients 5 to 29 years old, 5 (10%) of 50 patients 30 to 49 years old, and 4 (6.1%) of 66 patients older than 50 years had isolated pelvic fluid (P < 0.001). Mean volume of fluid was 2.5 mL; 97% (28/29) had less than 10 mL. Mean maximal 2-dimensional measurement was 2.1 cm; 93% (27/29) had less than 6 cm(2). CONCLUSIONS: Isolated fluid is greater than 7 times more common on outpatient pelvic MRIs in males younger than 30 years compared with men older than 49 years. Fluid rarely exceeded 10 mL or 6 cm(2).

Intensified specimen collection to improve tuberculosis diagnosis in children from Rural South Africa, an observational study.

BACKGROUND: In drug-resistant TB settings, specimen collection is critical for drug-susceptibility testing (DST). This observational study included multiple specimen types collected from pediatric TB suspects with the aim to determine diagnostic yield and inform clinical practice in children with drug-resistant and drug-susceptible TB. METHODS: From 03/2009-07/2010, TB suspects aged ≥6 months and ≤12 years were recruited among outpatient and inpatient settings. Subjects were new TB suspects or had persistent symptoms despite ≥2 months of TB treatment. The protocol included collection of a single blood and urine specimen, a single sputum induction and, if inpatients and <5 years of age, collection of 3 gastric aspirates (GA). Samples were cultured on solid and/or liquid media. DST was by 1% proportion method. RESULTS: Among 118 children with possible, probable or confirmed TB, the mean age was 4.9 years [SD 3.2] and 64 (62%) of those tested were HIV-positive. Eight (7%) subjects were culture-positive from at least one specimen; yield did not differ by HIV status or TB treatment history. Among those with positive cultures, 7/8 (88%) were from induced sputum, 5/6 (83%) from GA, 3/8 (38%) from blood, and 3/7 (43%) from urine. In subjects with both induced sputum and GA collection, sputum provided one additional case compared to GA. Multidrug resistant (MDR)-TB was detected by urine culture alone in one child >5 years old. Pan-resistant extensively drug resistant (XDR)-TB was identified by cultures from all sites in one subject. CONCLUSIONS: TB was cultured from HIV-positive and -negative children, and allowed for identification of MDR and XDR-TB cases. Urine and induced sputum each provided an additional TB diagnosis and, when compared to GA, may be considered a less invasive, same-day method of specimen collection for childhood TB suspects. This study illustrates the continued challenges and limitations of available strategies for pediatric TB diagnostics.

Feasibility of using teleradiology to improve tuberculosis screening and case management in a district hospital in Malawi.

PROBLEM: Malawi has one of the world's highest rates of human immunodeficiency virus (HIV) infection (10.6%), and southern Malawi, where Thyolo district is located, bears the highest burden in the country (14.5%). Tuberculosis, common among HIV-infected people, requires radiologic diagnosis, yet Malawi has no radiologists in public service. This hinders rapid and accurate diagnosis and increases morbidity and mortality. APPROACH: Médecins Sans Frontières, in collaboration with Malawi's Ministry of Health, implemented teleradiology in Thyolo district to assist clinical staff in radiologic image interpretation and diagnosis. LOCAL SETTING: Thyolo district's 600 000 inhabitants are mostly subsistence-level or migrant farmers living in extreme poverty. Health facilities include one public hospital and 38 primary health centres. Understaffing and the absence of a radiologist make the diagnosis of tuberculosis difficult in a population where this disease affects 66% of patients with HIV infection. RELEVANT CHANGES: From September 2010-2011, 159 images (from 158 patients) were reviewed by teleradiology. Teleradiology changed patient management in 36 cases (23.5%). Two (1.3%) of them were cases of pulmonary tuberculosis not previously suspected by clinical staff. In addition, the radiologist's review corrected the misdiagnosis of tuberculosis and averted inappropriate treatment in 16 patients (10.5%). LESSONS LEARNT: Teleradiology can improve tuberculosis diagnosis and case management, especially if criteria to identify the patients most suitable for referral are developed and the radiologist is conversant with local resources and health problems. Designating a clinical focal point for teleradiology ensures sustainability. Staff need time to adapt to a new teleradiology programme.

Paediatric radiology seen from Africa. Part I: providing diagnostic imaging to a young population.

Paediatric radiology requires dedicated equipment, specific precautions related to ionising radiation, and specialist knowledge. Developing countries face difficulties in providing adequate imaging services for children. In many African countries, children represent an increasing proportion of the population, and additional challenges follow from extreme living conditions, poverty, lack of parental care, and exposure to tuberculosis, HIV, pneumonia, diarrhoea and violent trauma. Imaging plays a critical role in the treatment of these children, but is expensive and difficult to provide. The World Health Organisation initiatives, of which the World Health Imaging System for Radiography (WHIS-RAD) unit is one result, needs to expand into other areas such as the provision of maintenance servicing. New initiatives by groups such as Rotary and the World Health Imaging Alliance to install WHIS-RAD units in developing countries and provide digital solutions, need support. Paediatric radiologists are needed to offer their services for reporting, consultation and quality assurance for free by way of teleradiology. Societies for paediatric radiology are needed to focus on providing a volunteer teleradiology reporting group, information on child safety for basic imaging, guidelines for investigations specific to the disease spectrum, and solutions for optimising imaging in children.

Participating in a Community of Learners enhances resident perceptions of learning in an e-mentoring program: proof of concept.

BACKGROUND: Community learning and e-mentoring, learning methods used in higher education, are not used to any extent in residency education. Yet both have the potential to enhance resident learning and, in the case of community learning, introduce residents to basic lifelong learning skills. We set out to determine whether residents participating in an Internet based e-mentoring program would, with appropriate facilitation, form a community of learners (CoL) and hold regular community meetings. We also determined resident and faculty perceptions of CoL and Internet sessions as effective learning experiences. METHODS: A six-month e-mentoring pilot was offered to 10 Radiology residents in the Aga Khan University Postgraduate Medical Education Program in Nairobi, Kenya (AKUHN) with a Professor of Radiology, located at University of Virginia, USA, acting as the e-mentor. Monthly Internet case-based teaching sessions were facilitated by the e-mentor. In addition, residents were coached by a community facilitator to form CoL and collectively work through clinical cases at weekly face-to-face CoL sessions.Event logs described observed resident activity at CoL sessions; exit survey and interviews were used to elicit perceptions of CoL and Internet sessions as effective learning experiences. RESULTS: Resident adoption of CoL behaviors was observed, including self-regulation, peer mentoring and collaborative problem solving. Analysis revealed high resident enthusiasm and value for CoL. Surveys and interviews indicated high levels of acceptance of Internet learning experiences, although there was room for improvement in audio-visual transmission technologies. Faculty indicated there was a need for a larger multi-specialty study. CONCLUSIONS: The pilot demonstrated resident acceptance of community building and collaborative learning as valued learning experiences, addressing one barrier to its formal adoption in residency education curricula. It also highlighted the potential of e-mentoring as a means of expanding faculty and teaching materials in residency programs in developing countries.

Effect of an audience response system on resident learning and retention of lecture material.

OBJECTIVE: In an era of increasing clinical volume and longer workdays, the time devoted to education may be diminished in many medical centers. The goal of our study was to develop techniques for optimizing educational time. SUBJECTS AND METHODS: Radiology residents in our program were randomized into two groups stratified by level of training. The control group received a standard didactic midday lecture, and the experimental group received the identical lecture material with an audience response system integrated into the lecture delivery. RESULTS: The group who used the interactive audience response software had significantly higher learning (p = 0.02) and long-term retention (p = 0.001) scores on postlecture quizzes administered to both groups of residents on the day of the lecture and 3 months later. CONCLUSION: Use of appropriate interactive teaching techniques facilitates residents' learning and retention of material. In our study, long-term retention was especially improved with use of an interactive lecture style.

A clinical decision rule for identifying children with thoracic injuries after blunt torso trauma.

STUDY OBJECTIVE: We sought to determine the prevalence of thoracic injuries in children sustaining blunt torso trauma and to develop a clinical prediction rule to identify children with these injuries. METHODS: We prospectively enrolled pediatric patients (<16 years) who presented to the emergency department of a Level I trauma center with blunt torso trauma and underwent chest radiography. Clinical findings were recorded in a standardized fashion by the ED faculty physician. Thoracic injuries included the following: pulmonary contusion, hemothorax, pneumothorax, pneumomediastinum, tracheal-bronchial disruption, aortic injury, hemopericardium, pneumopericardium, cardiac contusion, rib fracture, sternal fracture, or any injury to the diaphragm. Multiple logistic regression and recursive partitioning analyses were performed to generate a clinical prediction rule for identifying children with these injuries. RESULTS: Nine hundred eighty-six patients with a mean age of 8.3+/-4.8 years were enrolled. Eighty (8.1%; 95% confidence interval [CI] 6.5% to 10.0%) patients sustained thoracic injuries. Multiple logistic regression and recursive partitioning analyses identified the following predictors of thoracic injuries: low systolic blood pressure (14% with injury versus 2% without injury; adjusted odds ratio [OR] 4.6), elevated age-adjusted respiratory rate (51% versus 16%; adjusted OR 2.9), abnormal results on examination of the thorax (68% versus 36%; adjusted OR 3.6), abnormal chest auscultation findings (14% versus 1%; adjusted OR 8.6), femur fracture (13% versus 5%; adjusted OR 2.2), and a Glasgow Coma Scale (GCS) score of less than 15 (61% versus 26%; adjusted OR 3.3). Seventy-eight (98%; 95% CI 91% to 100%) of the 80 patients with thoracic injuries had at least 1 of these predictive factors. Three hundred thirty-six (37%) children had none of these predictive factors, including 2 (0.6%; 95% CI 0.1% to 2.1%) with thoracic injuries. These 2 injuries, however, did not require any intervention. CONCLUSION: Predictors of thoracic injury in children sustaining blunt torso trauma include low systolic blood pressure, elevated respiratory rate, abnormal results on thoracic examination, abnormal chest auscultation findings, femur fracture, and a GCS score of less than 15. These predictors can be used to create a sensible clinical decision rule for the identification of children with thoracic injuries.

Identification of children with intra-abdominal injuries after blunt trauma.

STUDY OBJECTIVE: We sought to determine the utility of laboratory testing after adjusting for physical examination findings in the identification of children with intra-abdominal injuries after blunt trauma. METHODS: The study was a prospective observational series of children younger than 16 years old who sustained blunt trauma and were at risk for intra-abdominal injuries during a 2(1/2)-year period at an urban Level I trauma center. Patients were examined by faculty emergency physicians and underwent standardized laboratory testing. Clinical and laboratory findings were recorded on a standardized data sheet. Intra-abdominal injury was considered present if an injury was documented to the spleen, liver, pancreas, kidney, adrenal glands, or gastrointestinal tract. We performed multiple logistic regression and binary recursive partitioning analyses to identify which physical examination findings and laboratory variables were independently associated with intra-abdominal injury. RESULTS: Of 1,095 enrolled patients, 107 (10%, 95% confidence interval [CI] 8% to 12%) had intra-abdominal injuries. The mean age was 8.4+/-4.8 years. From both analyses, we identified 6 findings associated with intra-abdominal injury: low systolic blood pressure (adjusted odds ratio [OR] 4.1; 95% CI 1.1 to 15.2), abdominal tenderness (adjusted OR 5.8; 95% CI 3.2 to 10.4), femur fracture (adjusted OR 1.3; 95% CI 0.5 to 3.7), serum aspartate aminotransferase concentration more than 200 U/L or serum alanine aminotransferase concentration more than 125 U/L (adjusted OR 17.4; 95% CI 9.4 to 32.1), urinalysis with more than 5 RBCs per high-powered field (adjusted OR 4.8; 95% CI 2.7 to 8.4), and an initial hematocrit of less than 30% (adjusted OR 2.6; 95% CI 0.9 to 7.5). CONCLUSION: After adjusting for physical examination findings, laboratory testing contributes significantly to the identification of children with intra-abdominal injuries after blunt trauma.