Publications by authors named "Suneth Agampodi"

Article Synopsis
  • The study investigates the role of Toll-like receptor 2 (TLR2) in leptospirosis, a disease not well understood in relation to TLR2 involvement.
  • A systematic review was conducted on various studies with 35 articles selected, analyzing TLR2's expression and its association with immune responses during leptospirosis.
  • Results showed that while TLR2 was more consistently expressed in experiments, human data yielded mixed findings, indicating a need for more research on TLR2's role in human leptospirosis and its interaction with other receptors like TLR4 and TLR5.
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Objective: To assess community awareness of cutaneous leishmaniasis (CL) in a disease-endemic district in Sri Lanka.

Design: Population-based cross-sectional study.

Setting: This study was conducted in selected 158 Grama Niladhari divisions covering all the 22 Divisional Secretariat areas of the Anuradhapura district, Sri Lanka.

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Observational studies on COVID-19 vaccine effectiveness (VE) have provided critical real-world data, informing public health policy globally. These studies, primarily using pre-existing data sources, have been indispensable in assessing VE across diverse populations and developing sustainable vaccination strategies. Cohort design is frequently employed in VE research.

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Objectives: This study aimed to assess the productivity loss and cost due to maternal ill-health conditions and its associated factors throughout pregnancy in rural Sri Lanka.

Design: A follow-up study of women registered in the Rajarata Pregnancy Cohort (RaPCo).

Setting: Anuradhapura district, Sri Lanka.

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Article Synopsis
  • The study focuses on non-Hardjo isolates of leptospirosis bacteria from human patients in Sri Lanka, revealing their complete genomes, which are less decayed compared to previously analyzed strains.
  • The seven isolates, classified as a novel serovar, showed a lower number of pseudogenes and insertion sequences than earlier Hardjo genomes, indicating a potentially more functional genetic makeup.
  • Findings suggest these Sri Lankan isolates exhibit unique pathogenic traits, including an increased number of specific virulence factor proteins, indicating a need for further research to understand leptospirosis mechanisms.
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Introduction: The COVID-19 pandemic catalyzed unprecedented vaccine innovation, revealing critical shortcomings in achieving equitable vaccine access and underscoring the need for a focused review of the lessons learned to inform future pandemic preparedness, with emphasis on vaccine delivery, equity, and challenges in LMICs.

Areas Covered: We critically analyzed the pandemic vaccine development and distribution journey and the operational mechanisms that facilitated these achievements. For this purpose, we primarily searched pandemic vaccine stakeholder websites, reports, and publications.

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Introduction: Pesticide self-poisoning causes severe health and socioeconomic hardship in low- and middle-income countries, including Sri Lanka. A stepped-wedge cluster randomised controlled trial (cRCT) has been designed to test whether 'gatekeeper' training for pesticide vendors reduces pesticide self-poisoning in rural Sri Lanka (Vendor cRCT). Ensuring intervention fidelity in RCTs is essential for consistently replicating interventions, accurately assessing their impact and improving outcomes.

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Background: There is limited knowledge about the stigma associated with cutaneous leishmaniasis (CL) in Sri Lanka. To ensure that leishmaniasis researchers focus on CL-associated stigma, we provide an evidence-based framework that can be used in future research.

Methods: We conducted a systematic review on CL-associated stigma using international evidence and carried out a multimethod qualitative study in the Anuradhapura district in Sri Lanka.

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Leptospirosis has a wide spectrum of clinical manifestations ranging from mild to severe disease. The cytokine response is considered one of the key drivers for this varying manifestation. The different cytokine response observed in patients with leptospirosis could be due to the variation of infecting serovars.

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Leishmaniasis is a tropical infectious disease affecting some of the world's most economically disadvantaged and resource-poor regions. Cutaneous leishmaniasis (CL) is the most common out of the three clinical types of Leishmaniasis. Since 1904 this disease has been endemic in Sri Lanka.

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Background: Cutaneous (CL) and mucocutaneous leishmaniasis (MCL) are parasitic diseases caused by parasites of the genus leishmania leading to stigma caused by disfigurations. This study aimed to systematically review the dimensions, measurement methods, implications, and potential interventions done to reduce the CL- and MCL- associated stigma, synthesising the current evidence according to an accepted stigma framework.

Methods: This systematic review followed the PRISMA guidelines and was registered in PROSPERO (ID- CRD42021274925).

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Leptospirosis is a re-emerging zoonotic disease. This article reports the complete genome sequences of three novel strains of Genus : two from the species (FMAS_RT1, FMAS_PD2) and one from (FMAS_PN5). These isolates were recovered from the blood samples of acute febrile patients in different geographical and climatic zones of Sri Lanka.

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Introduction: Global evidence suggests that high out-of-pocket (OOP) expenditure negatively affects health service utilization and creates an economic burden on households during pregnancy. This study aimed to estimate the magnitude and associated factors of OOP expenditure for antenatal care (ANC) in a rural Sri Lankan setting by following up with a large pregnancy cohort (The Rajarata Pregnancy Cohort [RaPCo]) in Anuradhapura District, Sri Lanka.

Methods: Data were collected from July 2019 to May 2020.

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Article Synopsis
  • Climate change poses a serious threat to public health, potentially leading to an estimated 250,000 additional deaths annually by 2030, especially in resource-limited countries.
  • The relationship between climate change and the spread of infectious diseases is increasing, highlighting the urgency for effective public health interventions, including vaccines.
  • The review emphasizes the need for enhanced research and funding to develop vaccines that can help mitigate the health impacts of climate change, particularly on water-related, vector-borne, and airborne diseases.
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Background Traditional physicians in Sri Lanka and India use extracts from the plant ,or Kothala Himbutu (KH) to treat diabetes. The effect of a KH biscuit, taken as a snack, on glycemic control was investigated in patients with type 2 diabetes. Methodology This triple-blind, randomized, placebo-controlled, two-period, two-sequence, crossover study was conducted in the Internal Medical Clinic, Teaching Hospital Anuradhapura.

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Early identification of mental health problems in pregnancy in low-income and middle-income countries is scarcely reported. We present the experience of a programme assimilating screening and management of antenatal anxiety and depression in conjunction with the Rajarata Pregnancy Cohort, in Sri Lanka. We adopted a two-stage screening approach to identify the symptoms and the reasons for anxiety and depression.

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Background: Leptospirosis, a prevalent zoonotic disease with One Health priority and a disease of poverty, lacks global economic burden estimates. This study aims to determine the global, regional, and country-level cost of leptospirosis due to loss of productivity.

Methodology/principal Findings: The cost of leptospirosis due to loss of productivity (referred to as productivity cost hereafter) was estimated by converting the disability-adjusted life years (DALYs) lost due to leptospirosis to a monetary value using the per capita gross domestic product (GDP).

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Background: Heart disease (HD) is one of the leading indirect causes of maternal deaths worldwide, both in high- and low- and middle-income countries (LMICs). This study aims to describe maternal deaths due to cardiovascular disease complicating pregnancy in Sri Lanka.

Methods: The national Maternal Death Surveillance Response (MDSR) system in Sri Lanka investigates all female deaths during pregnancy and 12 months after delivery.

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Leptospirosis, a major zoonotic disease caused by pathogenic Leptospira spp. is recognized globally as an emerging zoonotic disease. Whole-genome sequencing reveals hidden messages about Leptospira's pathogenesis.

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Objectives: This study aims to describe how household economies and health service utilisation of pregnant and postpartum women were affected during the pandemic.

Design: A cross-sectional study.

Setting: This study was conducted in the Anuradhapura district, Sri Lanka.

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Background: Knowledge of early clinical manifestations, people's perceptions and behaviours is crucial in preventing and controlling neglected tropical diseases (NTDs). Cutaneous leishmaniasis is an NTD that causes skin lesions and affects millions worldwide. Delayed healthcare-seeking behaviour leading to prolonged treatment periods and complications is rife among people with cutaneous leishmaniasis.

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Leishmaniasis is a neglected tropical disease with three main clinical types; cutaneous leishmaniasis (CL), mucocutaneous leishmaniasis (MCL), and visceral leishmaniasis (VL). CL and MCL are considered to be highly stigmatizing due to potentially disfiguring skin pathology. CL and MCL-associated stigma are reported across the world in different contexts assimilating different definitions and interpretations.

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