This study exposes front-line experiences with opportunities and shortcomings of EMR implementations in urban slum primary care clinics. Although the promise is great, there are a number of unique system, software and social challenges that EMR advocates should address before expecting sustainable EMR use in resource-constrained settings.
The geographic range and occurrence of tick species is dynamic. This has important public health implications due to important tick species that can transmit pathogens. This study presents a retrospective review of tick genera recovered from humans and submitted for identification in Alberta, Canada, over a 19-year period. The total number of ticks and proportion of genera were analyzed over time. Molecular testing for a number of pathogens associated with Ixodes scapularis and I. pacificus was conducted. A total of 2,358 ticks were submitted between 2000 and 2019, with 98.6% being acquired in Alberta. The number of ticks submitted increased significantly over time ( p < 0.0001). Dermacentor ticks were the most abundant genus, followed by Ixodes and Amblyomma . There was a significant decrease in the proportion of Dermacentor ticks between 2013 and 2019 ( p = 0.02), with a corresponding increase in the proportion of Ixodes ticks over the same time ( p = 0.04). No statistically significant change in seasonality was identified. Borrelia burgdorferi was detected in 8/76 (10.5%; 95% CI 5.4–19.4%) of all I. scapularis and I. pacificus ticks submitted. This translated to a B. burgdorferi positivity of 0.35% (95% CI 0.15–0.68%) among all ticks received. Dermacentor species (especially D. andersoni ) remains the most common tick feeding on humans in Alberta. Small numbers of vector species (including I. scapularis/pacificus ) are encountered annually over widely separated geographic areas in the province. The risk of exposure to tick-borne pathogens (e.g. Lyme disease) in Alberta remains low.
Introduction: Candidemia carries significant morbidity and mortality for hospitalized patients. Local epidemiology is needed to develop strategies to reduce infections. This article describes the epidemiology of candidemia at a tertiary-care hospital in Edmonton, Canada. Methods: Between 2004 and 2013, 250 episodes of candidemia were identified using an infection control database. Binary logistic regression analysis was used to identify risk factors for non-albicans isolates and for mortality. Results: The candidemia rate increased significantly, from 0.387/10,000 patient days (PD) in 2004 to 1.45/10,000 PD in 2013 (p=0.0061). The 30-day and overall in-hospital mortality rates were 38% and 47%, respectively. Candida albicans and C. glabrata represented 80% of isolates. Overall, 48% of episodes were attributable to central venous catheter (CVC) infections. The ratio of C. albicans to non-albicans isolates and the rate of CVC infections did not change significantly over the study period (p=0.98 and 0.14, respectively). Preceding azole therapy within 30 days of candidemia conferred an increased risk of a non-albicans isolate (odds ratio [OR] 2.59, 95% CI 1.24 to 5.43). Mortality was increased with immunosuppression (OR 3.30, 95% CI 1.74 to 6.24) and age, with an OR of 2.78 (95% CI 1.21 to 6.38) for the 61- to 68-year-old age group and an OR of 4.30 (95% CI 1.84 to 10.04) for the >69-year-old age group. Mortality was similar among C. albicans and non-albicans infections (OR 0.85, 95% CI 0.49 to 1.45). Conclusion: Candidemia at the authors' institution increased during the study period without a significant change in the ratio of C. albicans to other Candida spp. The risk of non-albicans candidemia was affected by previous azole therapy, and the risk of mortality was higher with increased age and immunosuppression. The etiology of the increased candidemia rate is likely complex, and strategies to address this, as well as the high mortality rate seen with candidemia, are needed.
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