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Tolera ST, Temesgen S, Mulat Endalew S, Alamirew TS, Temesgen LM. Global systematic review of occupational health and safety outcomes among sanitation and hygiene workers. Front Public Health 2023; 11:1304977. [PMID: 38174086 PMCID: PMC10763668 DOI: 10.3389/fpubh.2023.1304977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 11/30/2023] [Indexed: 01/05/2024] Open
Abstract
Introduction Sanitary workers are exposed to a variety of occupational hazards in a variety of working environments, which can result in occupational-related outcomes. As a result, the goal of this review was to identify occupational health and safety outcomes among sanitary workers worldwide. Methods PRISMA was used as flow diagram and PICOS was used review questions. The studies published in English were searched from databases and others methods ranging from 2000 to 2022. Boolean logic (AND, OR), MeSH, and keywords used: (Occupation *OR Job *OR Work) AND (Occupational related respiratory Symptoms *OR Disease) AND [Solid waste collectors (SWCs) *OR Street sweepers (SS) *OR Sewage workers and waste treatment (STWs)] AND (Countries). Results A total of 228 studies were identified from 23 countries across the world. Studies were found via PubMed (n = 40), Medline (n = 25), Embase (n = 11) and Global Health (n = 66) and Google scholar (n = 63) and from previous (n = 23). From 8,962 of eligible sanitary workers, about 4,742 (54%), 1714 (19%) and 1,441 (16%) were sewage, sweepers and solid waste workers, respectively. A total study (n = 51) were eligible for occupational health and safety outcomes. Of these, respiratory problems accounted 27 (52%) and Gastroenteritis 14 (27%). Conclusion Despite a large number of studies to date provides sanitary employees all over the world face occupational-related risks, hence more research is needed to enhance and quantify illness burden among sanitary workers.
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Affiliation(s)
- Sina Temesgen Tolera
- College of Health and Medical Sciences, Haramaya University, Dire Dawa, Ethiopia
| | - Shibiru Temesgen
- Department of Statistics, Addis Ababa University, Addis Ababa, Ethiopia
| | - Salie Mulat Endalew
- College of Health and Medical Sciences, Haramaya University, Dire Dawa, Ethiopia
| | | | - Liku Muche Temesgen
- College of Health and Medical Sciences, Haramaya University, Dire Dawa, Ethiopia
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Philip N, Ahmed K. Leptospirosis in Malaysia: current status, insights, and future prospects. J Physiol Anthropol 2023; 42:30. [PMID: 38087323 PMCID: PMC10714552 DOI: 10.1186/s40101-023-00347-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 11/16/2023] [Indexed: 12/18/2023] Open
Abstract
Among zoonotic infections, leptospirosis has a worldwide distribution and high prevalence in tropical regions. It has a broad clinical presentation from mild to severe, life-threatening infection. Leptospires, the etiological agent of leptospirosis, are found in varied ecological niches and animal species, providing a significant source of human infection. This review aims to provide the current status of leptospirosis in Malaysia and the direction for future studies. The literature search for this review was performed using PubMed, Web of Sciences, and Google Scholar databases. The incidence of leptospirosis in Malaysia from 2004 to 2020 varied; however, a large number of cases occurred during floods. Leptospira has been isolated from wild and domestic animals as well as from the environment; among them, several novel species have been identified. In Malaysia, leptospirosis infection and death were mostly associated with recreational and non-recreational water activities. Despite the endemicity of leptospirosis, the public's knowledge, attitude, and practice level are relatively low in this country. More studies are needed in Malaysia to explore the extent of leptospirosis in different settings and locations.
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Affiliation(s)
- Noraini Philip
- School of Biological Sciences, Universiti Sains Malaysia, Penang, Malaysia
| | - Kamruddin Ahmed
- Department of Pathology and Microbiology, Faculty of Medicine and Health Sciences, University Malaysia Sabah, Kota Kinabalu, Malaysia.
- Borneo Medical and Health Research Centre, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Kota Kinabalu, Malaysia.
- Research Center for Global and Local Infectious Diseases, Oita University, Oita, Japan.
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Premarathne SS, Gamage C, Chandrajith R, Ratnatunge NV, Wijetunge S, Wazil A, Chou LF, Ko YC, Huang CT, Yang HY, Fonseka A, Sonnadara T, Herath D, Hewavitharane P, Yang CW, Nanayakkara N. Leptospirosis: A Potential Culprit for Chronic Kidney Disease of Uncertain Etiology. Nephron Clin Pract 2023; 147:510-520. [PMID: 36809758 PMCID: PMC10568603 DOI: 10.1159/000528703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 10/23/2022] [Indexed: 02/23/2023] Open
Abstract
PURPOSE Chronic kidney disease of uncertain etiology (CKDu) is an environmental nephropathy in which the etiological factors are yet uncertain. Leptospirosis, a spirochetal infection that is common among agricultural communities, has been identified as a potential etiology for CKDu beyond environmental nephropathy. Although CKDu is a chronic kidney disease, in endemic regions, an increasing number of cases are reported with features suggestive of acute interstitial nephritis without any known reason (AINu), with or without background CKD. The study hypothesizes that exposure to pathogenic leptospires is one of the causative factors for the occurrence of AINu. METHOD This study was carried out using 59 clinically diagnosed AINu patients, 72 healthy controls from CKDu endemic region (endemic controls [ECs]), and 71 healthy controls from CKDu non-endemic region (non-endemic controls [NECs]). RESULTS The seroprevalence of 18.6, 6.9, and 7.0% was observed in the AIN (or AINu), EC, and NEC groups, respectively, from the rapid IgM test. Among 19 serovars tested, the highest seroprevalence was observed at 72.9, 38.9, and 21.1% in the AIN (AINu), EC, and NEC groups, respectively, by microscopic agglutination test (MAT), particularly for serovar Leptospira santarosai serovar Shermani. This emphasizes the presence of infection in AINu patients, and this also suggests that Leptospira exposure might play an important role in AINu. CONCLUSION These data suggest that exposure to Leptospira infection could be one of the possible causative factors for the occurrence of AINu, which may lead to CKDu in Sri Lanka.
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Affiliation(s)
- Shakila Sudarshani Premarathne
- Centre for Research, National Hospital, Kandy, Sri Lanka
- Department of Microbiology, Faculty of Medicine, University of Peradeniya, Kandy, Sri Lanka
| | - Chandika Gamage
- Department of Microbiology, Faculty of Medicine, University of Peradeniya, Kandy, Sri Lanka
| | - Rohana Chandrajith
- Depatment of Geology, Faculty of Science, University of Peradeniya, Kandy, Sri Lanka
| | | | - Sulochana Wijetunge
- Department of Pathology, Faculty of Medicine, University of Peradeniya, Kandy, Sri Lanka
| | - Abdul Wazil
- Nephrology and Kidney Transplant Unit, National Hospital, Kandy, Sri Lanka
| | - Li-Fang Chou
- Kidney Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Yi-Ching Ko
- Kidney Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan
| | | | - Huang-Yu Yang
- Kidney Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan
- Department of Nephrology, Chang Gung Memorial Hospital, Linkou, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Amanda Fonseka
- Department of Microbiology, Faculty of Medicine, University of Peradeniya, Kandy, Sri Lanka
| | | | | | | | - Chih-Wei Yang
- Kidney Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan
- Department of Nephrology, Chang Gung Memorial Hospital, Linkou, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
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Tokarevich NK, Blinova OV. Leptospirosis in Vietnam. RUSSIAN JOURNAL OF INFECTION AND IMMUNITY 2022. [DOI: 10.15789/2220-7619-liv-1988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Leptospirosis poses a serious public health problem in many countries because about 1 million people suffer annually from this severe, often fatal, infection. At present, its importance has been increasing due to development of integration processes, globalization and intensification of economic activities, inevitable anthropogenic transformation of landscapes as well as rise in number of people with occupational risk of pathogen exposure. The burden of human leptospirosis is expected to rise with demographic shifts and climate change that result in heavy rainfall and flooding. Regarding leptospirosis, Southeast Asia, including Vietnam, is among the most vulnerable global regions. The objective of the review was to analyze available published data on the spread of leptospirosis in Vietnam. More than 100 research articles were analyzed allowing to state that in Vietnam synanthropic rodents (rats), agricultural (buffaloes, cattle, pigs) and domestic animals (cats, dogs) are the main sources of leptospirosis infection in humans. It is essential that rats (cats and dogs also) in Vietnam are used for food. Among all farm animals, pigs are of maximal importance as a source of infection in humans. In Vietnam, Leptospira prevalence in pigs varies widely, up to 73%. It depends significantly on the location, farm size, age and gender of animals, etc. A large variety of Leptospira serovars have been identified in pigs in Vietnam: Tarassovi, Bratislava, Australis, Javanica, Autumnalis, Grippotyphosa, and some others. Official Vietnam reporting of leptospirosis cases based on clinical data does not reflect the real-life incidence rate in humans. However, the available seroprevalence studies reveal that, on average, about 10% of the Vietnamese population are infected with Leptospira. Work in agriculture is the dominant risk factor for acquiring this infection. The highest Leptospira seroprevalence rates were detected in farmers, 63.2%. Serovar diversity is typical for pathogenic Leptospira circulating in Vietnam. In humans, the most frequent are antibodies to Hebdomadis, Wolffi and Icterohaemorrhagiae, but the frequency varied markedly across the country depending on the site, possibly with relation to the environment, as well as with economic activity of the local population. In Vietnam, geographic, climatic and social differences between northern, central and southern regions contribute to the specificity of local leptospirosis epidemiology. This emphasizes the advisability of developing special measures for leptospirosis prevention taking into account regional peculiarities.
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