What will go wrong has gone wrong: asbestos exposure risk among construction workers in Nigeria

Moda, Haruna Musa; Sawyerr, Henry Olawale; Clayson, Anne

doi:10.1080/14773996.2018.1492239

Cited by 4 publications

(4 citation statements)

References 27 publications

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“…In spite of the World Health Organization and International Labour Organization's call for the adoption of a program to eliminate asbestos-related disease among nations through a ban on asbestos-containing materials, much is left to be seen in this area in the West African sub-region 8 . This case suggests that in addition to recognized risks among construction workers exposed to asbestos, cement sellers/traders may also constitute an epidemiologic risk group for developing pleural mesotheliomas.…”

Section: Discussionmentioning

confidence: 99%

Rare Presentation of Pleural Mesothelioma with Associated Dysphagia in an Elderly Female Cement Trader and the Resultant Diagnostic Challenges: A Case Report

Nwanji,

Adegoke,

Awosusi

2023

MCCRJ

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Mesotheliomas are rare mesenchymal tumours that arise from the neoplastic proliferation of mesothelial cells lining various body cavities. Dysphagia is a rare complication of advanced mesothelioma usually occurring as a result of tumour compression or direct invasion of the oesophagus. Here we describe the case of an elderly female cement trader who presented on account of complaints of difficulty in swallowing of three months duration initially to solid foods and later to liquids. Chest X-Ray done showed a homogenous opacity in the left lower lung zone with obliteration of the left costophrenic angle. Computed tomography scan revealed thickened left pleura with reduced left lung volume. Upper gastrointestinal endoscopy revealed a vague lower oesophageal stricture suggestive of metastatic cancer from a lung primary. Patient had a gastrostomy on account of severe dysphagia. Her clinical condition deteriorated during the third week of hospital admission. Despite interventions and intensive care admission, she eventually succumbed to her illness and was certified dead after 25 days of hospital admission. At autopsy, there was a predominantly left-sided pleural-based mass with irregular thickening of the pleura maximal at the costodiaphragmatic region with nodular involvement of the pericardium. Even though the oesophageal lumen was free of tumour along its length, the closely related aorta was fixed to the vertebral bones by tumour causing a mass effect. A conclusive diagnosis of epithelioid mesothelioma of the left pleura was made based on the gross and microscopic features of this tumour. This case suggests that in addition to recognized risks among construction workers exposed to asbestos, cement sellers/traders may also constitute an epidemiologic risk group for developing pleural mesotheliomas. Large-scale population based prospective studies may be needed to further explore this risk.

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Section: Discussionmentioning

confidence: 99%

Rare Presentation of Pleural Mesothelioma with Associated Dysphagia in an Elderly Female Cement Trader and the Resultant Diagnostic Challenges: A Case Report

Nwanji,

Adegoke,

Awosusi

2023

MCCRJ

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“…Since the early 80s, there has been a continuous discussion on using vegetable fibers to create low-cost, sustainable fiber cement composite sheets in many parts of the world [1][2][3][4]. This has been due to the never-ending health concerns [5,6] associated with asbestos-fiberreinforced ceilings and roofing that were used in building constructions before this time. Through the adaptation of a highly expensive production process, many developed nations of the world have been able to successfully produce asbestos-free cement composite boards utilizing cellulose fibers obtained from hardwoods or softwoods for building applications [7].…”

Section: Introductionmentioning

confidence: 99%

“…Thives et al [8], in their attempt to answer the notorious question 'Is asbestos still a problem in the world', reported that asbestos cement still makes up around 74% of the 190 million m 2 of fiber cement composites made each year in Central, Southern, and Western Africa, primarily as corrugated roofing components. Chrysotile asbestos is being banned in a few African nations (South Africa, for example) due to the continuous growing health concerns [6,8]. However, according to some recent research [9][10][11] and review reports [5,6,8], asbestos mining, production and use continue in many developing countries, particularly those on the African continent.…”

Section: Introductionmentioning

confidence: 99%

“…Chrysotile asbestos is being banned in a few African nations (South Africa, for example) due to the continuous growing health concerns [6,8]. However, according to some recent research [9][10][11] and review reports [5,6,8], asbestos mining, production and use continue in many developing countries, particularly those on the African continent. Therefore, new products that meet consumer demands in each application area must be developed using existing and/or new raw materials and production techniques.…”

Section: Introductionmentioning

confidence: 99%

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Optimizing the Mechanical Properties of Cement Composite Boards Reinforced with Cellulose Pulp and Bamboo Fibers for Building Applications in Low-Cost Housing Estates

Taiwo,

Ayre,

Khorami

et al. 2024

Materials

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Africa is the third-richest continent in the world in terms of bamboo species. Despite these laudable natural resources, most African countries still use asbestos cement board as one of their major building materials. This is chiefly due to the high cost of equipment and technologies associated with non-asbestos-fiber cement board production. The current research seeks to underscore the possibility of utilizing these massive continent resources for non-asbestos-fiber cement board production by employing the existing production process in the asbestos cement industries via an innovatively developed laboratory-simulated Hatschek process. Non-asbestos-fiber cement boards incorporating kraft and bamboo fibers were successfully produced in the laboratory using this innovative method based on Hatschek technology, with natural fibre addition in the range of 2–6 wt.%. Experimental results revealed that the Flexural strength and deflection of the board improved significantly, producing optimum values of 10.41 MPa and 2.0 mm, respectively for composite board reinforced with 10 wt.% and 6 wt.% of kraft pulp and bamboo fibers, respectively. The SEM morphology of the fractured surfaces revealed the mode of composite fracture as well as good interaction at the fiber–matrix interface. Overall, the mechanical properties of the developed composite boards satisfy the minimum requirements of relevant standards based on fiber cement flat sheets and can be employed for internal building applications in low-cost housing estates in developing countries. The outcome of this research indicates that the current industrial production process based on Hatschek technology can be employed for non-asbestos-fiber cement board production using the studied natural fiber.

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Efectos adversos por el uso de sustancias químicas en la salud de los trabajadores de la industria de la construcción. Artículo de revisión

Zapata-Alvarez

Bautista-Avila²,

Laguna-Acosta

et al. 2021

Revista Investig. Salud Univ. Boyacá

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Introducción: En el sector de la construcción es inevitable el uso de materiales que contienen sustancias químicas y la posibilidad de sufrir una enfermedad laboral si se desconocen los efectos adversos que estas sustancias causan en la salud, así como no asumir medidas de protección para prevenirlas. Objetivo: Determinar los efectos adversos por el uso de sustancias químicas en la salud de los trabajadores en la industria de la construcción. Metodología: Revisión descriptiva de información obtenida en bases de datos como Ovid, Proquest, SciELO, ScienceDirect, Taylor & Francis, Google Scholar Metrics, Scopus, Redalyc, Legal Legis y Pubmed. La información se eligió siguiendo criterios de elección. Desarrollo y discusión: Existen evidencias de que las diferentes sustancias químicas (asbesto, tolueno, silicio, polvo de cemento, soldadura, entre otros) presentes en los materiales utilizados en obras de construcción civil causan perjuicios en la salud del recurso humano (neuronales, pulmonares, respiratorios, inmunológicos, dermatoideos o reumatoideos), y por ello se consideran enfermedades ocupacionales. Conclusión: Se puede establecer claramente que los usos de sustancias químicas en materiales de construcción de obras civiles causan efectos adversos en los trabajadores. Este hallazgo amerita serias consideraciones en materia de seguridad y salud en el trabajo.

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What will go wrong has gone wrong: asbestos exposure risk among construction workers in Nigeria

Cited by 4 publications

References 27 publications

Rare Presentation of Pleural Mesothelioma with Associated Dysphagia in an Elderly Female Cement Trader and the Resultant Diagnostic Challenges: A Case Report

Rare Presentation of Pleural Mesothelioma with Associated Dysphagia in an Elderly Female Cement Trader and the Resultant Diagnostic Challenges: A Case Report

Optimizing the Mechanical Properties of Cement Composite Boards Reinforced with Cellulose Pulp and Bamboo Fibers for Building Applications in Low-Cost Housing Estates

Efectos adversos por el uso de sustancias químicas en la salud de los trabajadores de la industria de la construcción. Artículo de revisión

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