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Gasem MH, Hadi U, Alisjahbana B, Tjitra E, Hapsari MMDEAH, Lestari ES, Aman AT, Lokida D, Salim G, Kosasih H, Merati KTP, Laras K, Arif M, Lukman N, Sudarmono P, Lisdawati V, Lau CY, Neal A, Karyana M. Leptospirosis in Indonesia: diagnostic challenges associated with atypical clinical manifestations and limited laboratory capacity. BMC Infect Dis 2020; 20:179. [PMID: 32103771 PMCID: PMC7045408 DOI: 10.1186/s12879-020-4903-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 02/18/2020] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND The burden of leptospirosis in Indonesia is poorly understood. Data from an observational study conducted from 2013 to 2016 in seven cities across Indonesia was used to estimate the incidence of leptospirosis and document its clinical manifestations in patients requiring hospitalization. METHODS Specimens from patients hospitalized with acute fever were collected at enrollment, 14-28 days, and 3 months. Demographic and clinical information were collected during study visits and/or retrieved from medical records and double-entered into clinical report forms. After initially screening for dengue virus and other pathogens, specimens were tested at a central Reference Laboratory for anti-Leptospira IgM using commercial ELISA kits and for Leptospira DNA using an in-house quantitative real-time PCR assay. RESULTS Of 1464 patients enrolled, 45 (3.1%) confirmed cases (by PCR and/or sero-coversion or four-fold increase of IgM) and 6 (0.4%) probable cases (by high titer IgM) of leptospirosis were identified by the Reference Laboratory. Disease incidence at sites ranged from 0 (0%) cases in Denpasar to 17 (8.9%) cases in Semarang. The median age of patients was 41.2 years (range of 5.3 to 85.0 years), and 67% of patients were male. Twenty-two patients (43.1%) were accurately diagnosed at sites, and 29 patients (56.9%) were clinically misdiagnosed as having another infection, most commonly dengue fever (11, 37.9%). Clinically, 20 patients (39.2%) did not present with hyperbilirubinemia or increased creatinine levels. Two patients (3.9%) died, both from respiratory failure. Fifteen patients (29.4%) clinically diagnosed with leptospirosis at sites were negative based on IgM ELISA and/or PCR at the Reference Laboratory. CONCLUSIONS Leptospirosis remains an important cause of hospitalization in Indonesia. It can have diverse clinical presentations, making it difficult to differentiate from other common tropical infections. PCR combined with ELISA is a powerful alternative to the cumbersome gold-standard microscopic agglutination test, particularly in resource-limited settings.
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Affiliation(s)
| | - Usman Hadi
- Dr. Soetomo Academic General Hospital, Faculty of Medicine Airlangga University, Surabaya, Indonesia
| | - Bachti Alisjahbana
- Hasan Sadikin Hospital - Faculty of Medicine, Padjadjaran University, Bandung, Indonesia
| | - Emiliana Tjitra
- National Institute of Health Research and Development (NIHRD), Ministry of Health Republic of Indonesia, Jakarta, Indonesia
| | - M M D E A H Hapsari
- Dr. Kariadi Hospital - Faculty of Medicine, Diponegoro University, Semarang, Indonesia
| | - Endang Sri Lestari
- Dr. Kariadi Hospital - Faculty of Medicine, Diponegoro University, Semarang, Indonesia
| | - Abu Tholib Aman
- Dr. Sardjito Hospital - Faculty of Medicine, Public Health and Nursing, Gadjah Mada University, Yogyakarta, Indonesia
| | - Dewi Lokida
- Tangerang District Hospital, Tangerang, Indonesia
| | - Gustiani Salim
- Indonesia Research Partnership on Infectious Disease (INA-RESPOND), Badan Litbangkes, Building 4, 5th floor, Jl Percetakan Negara no 29, Jakarta, 10560, Indonesia
| | - Herman Kosasih
- Indonesia Research Partnership on Infectious Disease (INA-RESPOND), Badan Litbangkes, Building 4, 5th floor, Jl Percetakan Negara no 29, Jakarta, 10560, Indonesia.
| | | | - Kanti Laras
- Indonesia Research Partnership on Infectious Disease (INA-RESPOND), Badan Litbangkes, Building 4, 5th floor, Jl Percetakan Negara no 29, Jakarta, 10560, Indonesia
| | - Mansyur Arif
- Dr. Wahidin Sudirohusodo Hospital, Makassar, Indonesia
| | - Nurhayati Lukman
- Indonesia Research Partnership on Infectious Disease (INA-RESPOND), Badan Litbangkes, Building 4, 5th floor, Jl Percetakan Negara no 29, Jakarta, 10560, Indonesia
| | | | | | - Chuen-Yen Lau
- National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Bethesda, MD, USA
| | - Aaron Neal
- National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Bethesda, MD, USA
| | - Muhammad Karyana
- National Institute of Health Research and Development (NIHRD), Ministry of Health Republic of Indonesia, Jakarta, Indonesia
- Indonesia Research Partnership on Infectious Disease (INA-RESPOND), Badan Litbangkes, Building 4, 5th floor, Jl Percetakan Negara no 29, Jakarta, 10560, Indonesia
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Priya SP, Sakinah S, Sharmilah K, Hamat RA, Sekawi Z, Higuchi A, Ling MP, Nordin SA, Benelli G, Kumar SS. Leptospirosis: Molecular trial path and immunopathogenesis correlated with dengue, malaria and mimetic hemorrhagic infections. Acta Trop 2017; 176:206-223. [PMID: 28823908 DOI: 10.1016/j.actatropica.2017.08.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 08/03/2017] [Accepted: 08/04/2017] [Indexed: 12/12/2022]
Abstract
Immuno-pathogenesis of leptospirosis can be recounted well by following its trail path from entry to exit, while inducing disastrous damages in various tissues of the host. Dysregulated, inappropriate and excessive immune responses are unanimously blamed in fatal leptospirosis. The inherent abilities of the pathogen and inabilities of the host were debated targeting the severity of the disease. Hemorrhagic manifestation through various mechanisms leading to a fatal end is observed when this disease is unattended. The similar vascular destructions and hemorrhage manifestations are noted in infections with different microbes in endemic areas. The simultaneous infection in a host with more than one pathogen or parasite is referred as the coinfection. Notably, common endemic infections such as leptospirosis, dengue, chikungunya, and malaria, harbor favorable environments to flourish in similar climates, which is aggregated with stagnated water and aggravated with the poor personal and environmental hygiene of the inhabitants. These factors aid the spread of pathogens and parasites to humans and potential vectors, eventually leading to outbreaks of public health relevance. Malaria, dengue and chikungunya need mosquitoes as vectors, in contrast with leptospirosis, which directly invades human, although the environmental bacterial load is maintained through other mammals, such as rodents. The more complicating issue is that infections by different pathogens exhibiting similar symptoms but require different treatment management. The current review explores different pathogens expressing specific surface proteins and their ability to bind with array of host proteins with or without immune response to enter into the host tissues and their ability to evade the host immune responses to invade and their affinity to certain tissues leading to the common squeal of hemorrhage. Furthermore, at the host level, the increased susceptibility and inability of the host to arrest the pathogens' and parasites' spread in different tissues, various cytokines accumulated to eradicate the microorganisms and their cellular interactions, the antibody dependent defense and the susceptibility of individual organs bringing the manifestation of the diseases were explored. Lastly, we provided a discussion on the immune trail path of pathogenesis from entry to exit to narrate the similarities and dissimilarities among various hemorrhagic fevers mentioned above, in order to outline future possibilities of prevention, diagnosis, and treatment of coinfections, with special reference to endemic areas.
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