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Browsing by UP Author "Claassen, Nico"
Now showing items 1-18 of 18
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Claassen, Nico; Kok, R. (South African Society of Occupational Medicine, 2007)The WBGT index is the heat stress index of preference in the Occupational Health and Safety Act,No. 85 of 1993. The purpose of this investigation was to determine if equivalent WBGT values with low and high relative humidity ...
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Viljoen, Margaretha; Claassen, Nico (Makerere University Medical School, 2017-06)BACKGROUND : Uncertainty often exists about the comparability of results obtained by different health risk indicator systems. OBJECTIVES : To compare two health risk indicator systems, i.e, allostatic load and heart rate ...
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Harmse, Suzanne; Buys, Tania; Claassen, Nico (IOS Press, 2023-11)BACKGROUND : The importance to be able to work is recognised as one of the United Nation's Sustainable Development Goals. Occupational therapists working in vocational rehabilitation require cost effective, valid, and ...
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Van der Westhuizen, Deborah; Claassen, Nico; Viljoen, Margaretha (NISC (Pty) Ltd and Informa UK Limited [trading as Taylor & Francis Group], 2018)OBJECTIVE : A case study describing the association between vagal tone and social-emotional adaptation in two distressed adolescent–parent (A–P) pairs during a Positive Cognitive Behaviour Therapy Programme (P-CBTP). METHODS ...
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Claassen, Nico; Snyman, Jacques Rene; Koorts, Alida Maria; Nolte, Heinrich Wilhelm; Wagenaar, B.; Kruger, Mariana; Becker, Piet J.; Viljoen, Margaretha (Health and Medical Publishing Group, 2006-03)OBJECTIVE: This study investigated the effects of single dosages of the non-steroidal anti-inflammatory drug (NSAID) naproxen, and of the coxib, rofecoxib, on the exercise-induced stress response. Conclusion. The results ...
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Viljoen, Margaretha; Claassen, Nico (IOS Press, 2017)BACKGROUND: Cynicism, as a personality trait, has adverse effects on health. The question was asked whether cynical attitudes that develop due to work-related stress correlate with stress levels and whether it has a negative ...
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Claassens, C.F.; Claassen, Nico (Medpharm Publications, 2006-06)Background: Sudden cardiac death related to exercise is an uncommon problem, but is perhaps the single biggest challenge to sports medicine practitioners. Although the overall risk of death due to cardiac causes is ...
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Olutola, Bukola Ganiyat; Claassen, Nico; Wichmann, Janine; Voyi, K.V.V. (Kuku) (Springer, 2018-11)We examined the factors associated with mother-reported wheeze and dry cough in children living in Tembisa, a residential and industrial community in South Africa. A cross-sectional sample of parents reported wheezing and ...
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Moodley, Saiendhra Vasudevan; Zungu, Muzimkhulu; Malotle, Molebogeng; Voyi, K.V.V. (Kuku); Claassen, Nico; Ramodike, Jonathan; Thunzi, Nkululeko; Mlangeni, Nosimil (BioMed Central, 2021-02)BACKGROUND: Health workers are crucial to the successful implementation of infection prevention and control strategies to limit the transmission of SARS-CoV-2 at healthcare facilities. The aim of our study was to ...
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Kresfelder, T.L.; Claassen, Nico; Cronje, M.J. (Elsevier, 2006-07)The possibility of using Hsp70 and hsp70 gene polymorphisms as markers of acclimatization was investigated. Volunteers (22) were subjected to an acclimatization regimen and blood analysed for Hsp70 (Hsp72) and hsp70 ...
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Nkosi, Vusumuzi; Claassen, Nico; Voyi, K.V.V. (Kuku) (South African Society of Occupational Medicine (SASOM), 2015)BACKGROUND : A high prevalence of noise-induced hearing loss (NIHL) is observed amongst employees in the steel manufacturing industry. OBJECTIVE : To determine the prevalence of NIHL and current noise abatement techniques ...
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Zungu, Muzimkhulu; Voyi, K.V.V. (Kuku); Mlangeni, Nosimilo; Moodley, Saiendhra Vasudevan; Ramodike, Jonathan; Claassen, Nico; Wilcox, Elizabeth; Thunzi, Nkululeko; Yassi, Annalee; Spiegel, Jerry; Malotle, Molebogeng (BioMed Central, 2021-10-11)BACKGROUND : Health workers, in short supply in many low-and-middle-income countries, are at increased risk of SARS-CoV-2 infection. This study aimed to assess how South Africa, prepared to protect its health workers ...
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Viljoen, Margaretha; Claassen, Nico (Mattioli1885, 2022-12)By the mid-20th century, pellagra had virtually been eradicated from the USA and Europe. In contrast, outbreaks of pellagra, as diagnosed by skin lesions, today still occur in sub-Saharan Africa. We argue that outbreaks ...
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Moto, Tshepo Paulsen; Claassen, Nico (South African Society of Occupational Medicine (SASOM), 2016-11)BACKGROUND : Coal tar-derived substances consist of numerous polycyclic aromatic hydrocarbons (PAHs), several of which are known carcinogens. Different processes used during steel making influence PAH release into the ...
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Claassen, Nico (2014-05-12)
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Coetzee, Magdalena; Haag, Marianne; Claassen, Nico; Kruger, Marlena C. (Elsevier, 2005-12)Polyunsaturated fatty acids (PUFAs) as well as oestrogen (E2) and parathyroid hormone (PTH) affect bone cells. The aim of the study was to determine whether arachidonic acid (AA), E2, and PTH increase prostaglandin E2 ...
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Grant, C.C. (Catharina Cornelia); Claassen, Nico; Viljoen, Margaretha (Suid-Afrikaanse Akademie vir Wetenskap en Kuns, 2006-03)In hierdie studie is die effek van valskermspring en vryval, sowel as van visualisering, op die balans van die outonome senuweestelsel ondersoek. Die resultate toon 'n verskuiwing na simpatiese oorheersing in die balans ...
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Thomas, Bianca Lee; Claassen, Nico; Becker, Piet J.; Viljoen, Margaretha (Karger, 2019-05)BACKGROUND : Despite strong reservations regarding the validity of a number of heart rate variability (HRV) measures, these are still being used in recent studies. AIMS : We aimed to compare the reactivity of ostensible ...
Now showing items 1-18 of 18