Browsing Research Articles (Paediatrics and Child Health) by UP Author "Van Rooyen, Cathy"

Browsing Research Articles (Paediatrics and Child Health) by UP Author "Van Rooyen, Cathy"

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  • Advances in the laboratory diagnosis of food allergy 
    Van Rooyen, Cathy; Van den Berg, Sharon (Allergy Society of South Africa, 2016-06)
    A great number of advances have been made in the diagnostic tools and testing methods available for foodallergy diagnosis. Improved and new methodologies have become available not only to identify the presence of a food ...
  • Allergic sensitisation in South Africa : allergen-specific ige-component testing (ISAC) 
    Murray, Louise; Van Rooyen, Cathy; Van den Berg, Sylvia; Green, Robin J. (Allergy Society of South Africa, 2022-03)
    BACKGROUND : Allergic sensitisation patterns differ globally; therefore it is important to understand local South African sensitisation patterns to inhalant and food allergen components to enable clinicians to diagnose ...
  • Allergic sensitisation in South Africa : exploring regional variation in sensitisation 
    Van Rooyen, Cathy; Van den Berg, Sharon; Becker, Piet J.; Green, Robin J. (Health and Medical Publishing Group, 2020-07)
    BACKGROUND : Allergy is a common health problem in South Africa (SA), and a rational approach to allergy testing is essential to ensure cost-effective as well as optimal patient diagnosis and management. OBJECTIVES : To ...
  • Challenging beliefs : only a genetic diagnosis of primary immunodeficiency disorders will suffice for some patients, even in a resource-poor setting 
    Van den Berg, Sylvia; Van Rooyen, Cathy; De Villiers, Nico; Walters, Sarah; Van Bruwaene, L.; Van Niekerk, Andre; Green, Robin J. (Allergy Society of South Africa, 2019-09)
    Genetic testing has become important in the repertoire for the diagnosis of primary immunodeficiencies. More than 350 genetic disorders have been molecularly characterised since the first description of primary ...
  • COVID-19 vaccines : adverse events following immunisation 
    Van den Berg, Sylvia; Van Rooyen, Cathy; Wessels, Pieter Frederik; Brauer, Marieke; Green, Robin J. (Allergy Society of South Africa, 2022-03)
    Patients rely on healthcare providers as their most credible and frequent source of vaccine information. It is therefore crucial that healthcare providers are informed and have evidence-based, objective and clear guidance ...
  • Dr Spur's mystery case : a mystery case as old as time 
    Murray, Louise; Van den Berg, Sylvia; Van Rooyen, Cathy; Van Niekerk, Andre (Allergy Society of South Africa, 2022-03)
    Dear Dr Spur I would appreciate your advice on a complicated patient. This is a 21-year-old female who has suffered from eczema since childhood. The eczema used to be very severe during childhood, but is presently more ...
  • Dr Spur's mystery case : primary immunodeficiency disorders 
    Van den Berg, Sylvia; Van Rooyen, Cathy; Green, Robin J. (Allergy Society of South Africa, 2020-10)
    No abstract available.
  • Dr Spur's mystery case : the case of 'what now?' 
    Van den Berg, Sylvia; Van Rooyen, Cathy; Van Niekerk, Andre (Allergy Society of South Africa, 2022-09)
    Dear Dr Rodriques It is important to recognise a patient with an immunodeficiency in order to manage the patient appropriately and initiate treatment timeously. It cannot be emphasised enough that a high index of suspicion ...
  • Dr Spur's mystery case : the case of the child who is always sick 
    Van den Berg, Sylvia; Van Rooyen, Cathy; Van Niekerk, Andre (Allergy Society of South Africa, 2022-06)
    Welcome to Dr Spur’s Immunology Clinic Referral letter...
  • Dr Spur's mystery case : the mystery case of an allergic patient not responding to therapy 
    Van den Berg, Sylvia; Van Rooyen, Cathy; Green, Robin J. (Allergy Society of South Africa (ALLSA), 2021-12)
    No abstract available.
  • Dr Spur's mystery case : the mystery case of transience 
    Van den Berg, Sylvia; Van Rooyen, Cathy; Van Niekerk, Andre; Green, Robin J. (Lippincott, Williams & Wilkins, 2021-03)
    Thank you for the referral of this delightful little boy. He seems well and is at the 90th percentile for height and weight. The mom gives a clear history of this boy being healthy in between the episodes of infection. ...
  • Dr Spur’s mystery case : a case of an early bird catching the worm 
    Van den Berg, Sylvia; Van Rooyen, Cathy; Van Niekerk, Andre; Green, Robin J. (Allergy Society of South Africa (ALLSA), 2021-09)
    No abstract available.
  • Dr Spur’s mystery case : living with an antibody deficiency during the COVID-19 pandemic 
    Van den Berg, Sylvia; Van Rooyen, Cathy; Van Niekerk, Andre; Green, Robin J. (Allergy Society of South Africa, 2021-06)
    Thank you for your relevant questions at a time in which we are still battling the SARS-CoV-2 virus in the ever-evolving SARSCoV- 2 pandemic. As time passes, we continue to gain additional insights into how patients ...
  • Dr Spur’s mystery case of an isolated IgA deficiency 
    Van den Berg, Sylvia; Van Rooyen, Cathy (Allergy Society of South Africa, 2020-06)
    No abstract available.
  • An overview of neutrophil disorders and their diagnosis 
    Van Rooyen, Cathy; Van den Berg, Sylvia; Gouws, Wilmare; Green, Robin J. (Allergy Society of South Africa, 2017-09)
    Neutrophil disorders are commonly encountered in clinical practice. However, these encompass a variety of different conditions with variable presentation, making neutrophil disorders a diagnostic challenge to most clinicians. ...
  • Primary immunodeficiency in Africa - a review 
    Erjaee, A.; Bagherpour, Morteza; Van Rooyen, Cathy; Van den Berg, Sylvia; Kinnear, C.J.; Green, Robin J.; Pepper, Michael Sean (Health and Medical Publishing Group, 2019-08)
    BACKGROUND: Efforts have been made worldwide to improve awareness and treatment of primary immunodeficiency (PID). This has also gained momentum on the African continent albeit at a slower pace. OBJECTIVE: This review ...
  • We can do more to identify patients with primary immunodeficiences 
    Van den Berg, Sylvia; Van Rooyen, Cathy; Green, Robin J. (Allergy Society of South Africa, 2017-03)
    Primary immunodeficiencies (PIDs) remain largely undiagnosed and underreported in South Africa.1 PIDs are inherited, non-communicable disorders that involve a defect in one or more components of the immune system. ...