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LeishCare®: A Software Designed for the Management of Individuals with Leishmaniases
The American Journal of Tropical Medicine and Hygiene, 2020
The aims of this study were to describe a smartphone app aimed at healthcare professionals who work in areas endemic for visceral and tegumentary leishmaniases, and to report the user's perception of the app in these areas. The software, called LeishCare ® , has the following features: data registration, image filter to record the evolution of skin lesions using photos, calculation of a score set to identify the risk of death from visceral leishmaniasis, and guides to the diseases. LeishCare ® was made available to healthcare professionals in endemic municipalities in Brazil, and the perception of potential users was evaluated at baseline and after 6 and 12 months. In the first meeting, 96 (94.1%) of the 102 professionals who knew the app reported positive expectations for its use. The installation of LeishCare ® on the individual device and the evaluation of user perception were completed at 6 months with 16 users and at 12 months with 20 users. More than 90% of the professionals evaluated in both assessments found the information of the app useful. The features related to the calculation of visceral leishmaniasis severity score, and the guides to leishmaniases were the most frequently accessed. Users reported competence gain attributed to the app for all items evaluated. In conclusion, Leish-Care ® was found to be a promising tool to help healthcare professionals in endemic areas with leishmaniasis management.
Gaining a “Foothold” on the Diagnosis of Leishmaniasis
Journal of Refugee & Global Health, 2020
Pediatric refugees and immigrants may present with unusual diagnoses due to their extensive migration and potential harsh conditions in travel. Trauma and family separation add to the difficulty of obtaining a history of exposures. We report a case of one of the more commonly neglected tropical diseases, Leishmaniasis. A 15-year-old male refugee patient presented to the hospital with ulcerative lesions to his legs. His migration history was extensive, starting in Central Africa with travel to South America, followed by migration through Central America to Texas. The patient developed ulcerative lesions on his legs, and he was brought to the children's hospital by his refugee organization, where the diagnosis was ultimately confirmed as Leishmaniasis. Providers should become familiar with tropical diseases that refugees, as well as local populations, may acquire from travel. Specifically, pediatricians should become familiar with the more prevalent "neglected" tropical diseases as recommended by the World Health Organization.
Adaptation and performance of a mobile application for early detection of cutaneous leishmaniasis
PLOS Neglected Tropical Diseases, 2021
Background Detection and management of neglected tropical diseases such as cutaneous leishmaniasis present unmet challenges stemming from their prevalence in remote, rural, resource constrained areas having limited access to health services. These challenges are frequently compounded by armed conflict or illicit extractive industries. The use of mobile health technologies has shown promise in such settings, yet data on outcomes in the field remain scarce. Methods We adapted a validated prediction rule for the presumptive diagnosis of CL to create a mobile application for use by community health volunteers. We used human-centered design practices and agile development for app iteration. We tested the application in three rural areas where cutaneous leishmaniasis is endemic and an urban setting where patients seek medical attention in the municipality of Tumaco, Colombia. The application was assessed for usability, sensitivity and inter-rater reliability (kappa) when used by community...
Cutaneous leishmaniasis: an increasing threat for travellers
Clinical Microbiology and Infection, 2005
Analysis of the literature on cutaneous leishmaniasis in low-prevalence countries suggests an increase in imported cases that is attributable to the growing phenomenon of international tourism, migration and military operations in highly endemic regions. Cases of imported cutaneous leishmaniasis are often missed initially, but diagnosis can be made non-invasively by PCR using skin scrapings of lesions as starting material. Cutaneous leishmaniasis is an emerging threat for travellers and should be considered in all patients presenting with slow-to-heal ulcers.
PLOS Neglected Tropical Diseases
Background Cutaneous Leishmaniasis (CL) is endemic in French Guiana but cases are usually sporadic. An outbreak signal was issued on May 15th 2020 with 15 suspected cases after a military training course in the rainforest. An outbreak investigation was carried out. Methodology/Principal findings Thirty cases were confirmed. Leishmania guyanensis was the most frequent species (90%). The most frequent presentation was ulcerative (90%). Lesions on the face and hands were frequent (40% each). Eight cases (26%) presented a poor outcome after treatment with pentamidine and required a second line with amphotericin B. Three of them required further treatments with meglumine antimoniate or miltefosine. Two spots within the training area were deemed as likely sites of contamination, due to illegal logging. The isolated Leishmania strains did not form a separate cluster. Participation in Week 13 of year 2020 was associated with infection (OR = 4.59 [1.10–19.83]; p = 0.016) while undergoing onl...
Military personnel deployed to the Amazon Basin are at high risk for cutaneous leishmaniasis (CL). We responded to an outbreak among Peruvian Army personnel returning from short-term training in the Amazon, conducting active case detection, lesion sample collection, and risk factor assessment. The attack rate was 25% (76/303); the incubation period was 2–36 weeks (median = 8). Most cases had one lesion (66%), primarily ulcerative (49%), and in the legs (57%). Real-time polymerase chain reaction (PCR) identified Leishmania (Viannia) braziliensis (59/61 = 97%) and L. (V.) guyanensis (2/61 = 3%). Being male (risk ratio [RR] = 4.01; P = 0.034), not wearing long-sleeve clothes (RR = 1.71; P = 0.005), and sleeping in open rooms (RR = 1.80; P = 0.009) were associated with CL. Sodium stibogluconate therapy had a 41% cure rate, less than previously reported in Peru (70%; P < 0.001). After emphasizing pre-deployment education and other basic prevention measures, trainees in the following year had lower incidence (1/278 = 0.4%; P < 0.001). Basic prevention can reduce CL risk in deployed militaries.
MOJ Public Health
Leishmaniasis is à disease caused by a protozoan of the genus Leishmania, with biological cycles in which humans can be a reservoir. It can manifest as visceral or localized cutaneous, which is what occur in Costa Rica. The diagnosis has many techniques, but the most used for speed, price and availability is the direct smear with Giemsa stain in Costa Rica and the HTCC (CCSS), where the amastigote is sought. Objective: to determine rates and prevalence percentages of cutaneous leishmaniasis in the Hospital Dr. Tomás Casas Casajús de Osa (CCSS) from 2015 to 2019, classified by year, age and sex. Materials and methods: Data were collected by analyzing the Labcore computer system, downloading files in TXT text format and converting them to Excel. The analysis is performed by simple calculations of rates and percentages, and reporting in tables and graphs. Results: Of the 250 records from 2015 to 2019, 39 are positive for 15.6% and 169 are negative for 67.6%. Of the positives, the preva...
2011
BACKGROUND: American cutaneous leishmaniasis is a disease with a wide variety of clinical manifestations that is expanding throughout Brazil, the state of Mato Grosso do Sul constituting a significant endemic area. OBJECTIVES: To evaluate the clinical, epidemiological and laboratory characteristics of patients with American cutaneous leishmaniasis. Patients were recruited among those attending the Maria Aparecida Pedrossian Teaching Hospital of the Federal University of Mato Grosso do Sul, Brazil. METHODS: This was a cross-sectional, observational study conducted using a descriptive and analytical approach. Data from patients suspected of having American cutaneous leishmaniasis who were receiving care at this institute between 1998 and 2008 and were referred to the institute's parasitology laboratory for confirmation of diagnosis were evaluated retrospectively. Clinical and laboratory criteria were taken into consideration for the inclusion of patients to the study. RESULTS: Forty-seven patients were included in the study, the majority of whom were male and between 45 and 59 years of age. Most had the cutaneous form of the disease with a single, ulcerated lesion on exposed areas of the body, which had generally been present for periods of less than six months. Mucosal involvement increased with age and was highest in patients who had sought medical care at a later stage. The Montenegro skin test showed the highest sensitivity. Finding the parasite was more difficult in older lesions. CONCLUSION: Suspicion of the disease at an early stage is of extreme importance for a precise diagnosis. A combination of parasitological and immunological tests renders laboratory diagnosis more reliable.