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Browsing by UP Author "Viljoen, Margaretha"
Now showing items 1-20 of 56
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Viljoen, Margaretha; Bipath, Priyesh; Roos, J.L. (Johannes Louw) (AOSIS, 2018-09-11)Pellagra is characterised by dermatological, gastrointestinal and neuropsychiatric manifestations. Millions contracted the disease and hundreds of thousands died between the time it was first recorded until pellagra was ...
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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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Viljoen, Margaretha; Swanepoel, Annie; Bipath, Priyesh (Elsevier, 2015-03)The term niacin is the generic name for the two compounds nicotinic acid and nicotinamide, the major dietary precursors for two important coenzymes, nicotinamide adenine dinucleotide (NAD) and its phosphorylated form, ...
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Negrao, Bianca Lee; Bipath, Priyesh; Van der Westhuizen, Deborah; Viljoen, Margaretha (Karger, 2011-01)OBJECTIVE: The aim of this study was to assess autonomic nervous system functioning in children with attention-deficit/hyperactivity disorder (ADHD) and to examine the effects of methylphenidate and focussed attention. ...
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Grant, C.C. (Catharina Cornelia); Becker, Piet J.; Viljoen, Margaretha (Suid-Afrikaanse Akademie vir Wetenskap en Kuns, 2006-06)Tydens die normale funksionering van die hart fluktueer die intervalle tussen opeenvolgende hartslae (R-R-intervalle) rondom 'n gemiddelde waarde. Hierdie fluktuering staan bekend as harttempovariasie (HTV). Verskillende ...
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Govender, Catherine; Du Plessis, Anna M.E.; Bipath, Priyesh; Povey, D.; Viviers, G.; Viljoen, Margaretha (In House Publications, 2010-03)OBJECTIVE: It is posited that the effect of depression on BMD is dependent on the severity of depression. Conflicting evidence exists regarding this possible association. This study investigated the association between ...
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Viljoen, Margaretha; Du Plessis, Anna M.E.; Govender, Catherine; Bipath, Priyesh (2008-09-29)The study’s aim was to investigate the association between depression and low bone mineral density (BMD) in premenopausal females. Depression is often characterized by cortisol hypersecretion. Cortisol supports osteoclastogenesis ...
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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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Viljoen, Margaretha; Panzer, Annie (In House Publications, 2007-08)The central noradrenergic system belongs to a group of brainstem neuromodulatory systems previously referred to as the ascending reticular activating system. In this article a heuristic model is presented of the central ...
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Thomas, Bianca; Bipath, Priyesh; Viljoen, Margaretha (Makerere University Medical School, 2019-09)BACKGROUND : Neopterin, a product of cell-mediated immunity, is a non-specific biomarker of inflammation. Plasma/serum is generally the body fluid of choice for neopterin assessment, but urine is often used as it does ...
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Bipath, Priyesh; Govender, Catherine; Viljoen, Margaretha (NISC, 2009)Decreased quality of life of end-stage renal disease is further compromised by renal function replacement treatments such as haemodialysis (HD) and peritoneal dialysis (PD). Poor quality of life negatively affects ...
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Thomas, Bianca Lee; Viljoen, Margaretha (Routledge, 2020)An association between attachment and academic performance appears to be consistently found in children; however, reports on such an association in adolescents are contradictory. This study aimed to determine whether the ...
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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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Viljoen, Margaretha; Levay, Peter Ferenc (Academy of Science of South Africa, 2021-11)The importance of adequate physical activity for older people cannot be overestimated. Evidence exists that physical exercise can improve quality of life; benefit brain areas involved with executive control; delay the ...
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Panzer, Annie; Viljoen, Margaretha (In House Publications, 2004-08)Dissociation can be defined as the failure to integrate experience. Dissociation is a common symptom of a spectrum of severe psychopathologies, from reactive attachment disorder of infants to dissociative identity disorders, ...
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Grant, C.C. (Catharina Cornelia); Steenkamp, B.; Gauche, L.; Becker, Piet J.; Ker, James A.; Roos, J.L. (Johannes Louw); Viljoen, Margaretha (Clinics Cardiv, 2007)Co-morbidity between physical disease, especially cardiovascular, and psychological disturbances is well documented. In psychiatric patients, the potential for dysrhythmogenic incidences is increased by the fact that many ...
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Thomas, Bianca Lee; Viljoen, Margaretha (Karger, 2016)OBJECTIVE : The aim of this study was to assess baseline EEG brain wave activity in children with attention-deficit/hyperactivity disorder (ADHD) and to examine the effects of evoked attention and methylphenidate on this ...
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Negrao, Bianca Lee; Crafford, Dalene; Viljoen, Margaretha (Clinics Cardiv, 2009-09)OBJECTIVE : The aim of this study was to investigate the effects of sympathomimetic medication on the cardiovascular system of children with attention-deficit / hyperactivity disorder (ADHD). METHODS : Cardiovascular ...
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Viljoen, Margaretha; Panzer, Annie; Koorts, Alida Maria; Henn, P.; Van den Bogaerde, J.B. (Suid-Afrikaanse Akademie vir Wetenskap en Kuns, 2004)Die medisinale gebruik van natuurlike plantmateriaal en voedselaanvullings is vinnig besig om veld te wen. Probiotika word deur die Voedseldirektoraat van die Departement van Gesondheid as voedselaanvulling beskou en van ...
Now showing items 1-20 of 56