Browsing Research Articles (Internal Medicine) by Author "Ueckermann, Veronica"

Browsing Research Articles (Internal Medicine) by Author "Ueckermann, Veronica"

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  • Ad26.COV2.S breakthrough infections induce high titers of neutralizing antibodies against Omicron and other SARS-CoV-2 variants of concern 
    Kitchin, Dale; Richardson, Simone I.; Van der Mescht, Mieke Adri; Motlou, Thopisang; Mzindle, Nonkululeko; Moyo-Gwete, Thandeka; Makhado, Zanele; Ayres, Frances; Manamela, Nelia P.; Spencer, Holly; Lambson, Bronwen; Oosthuysen, Brent; Kaldine, Haajira; Du Pisanie, Marizane; Mennen, Mathilda; Skelem, Sango; Williams, Noleen; Ntusi, Ntobeko A.B.; Burgers, Wendy A.; Gray, Glenda G.; Bekker, Linda-Gail; Boswell, Michael T.; Rossouw, Theresa M.; Ueckermann, Veronica; Moore, Penny L. (Cell Press, 2022-03-15)
    The Janssen (Johnson & Johnson) Ad26.COV2.S non-replicating viral vector vaccine has been widely deployed for COVID-19 vaccination programs in resource-limited settings. Here we confirm that neutralizing and binding ...
  • The association between elevated troponin levels and all cause 30 day mortality in critically ill patients seen at an Academic Hospital – a prospective cohort study 
    Joseph, Darren; Ker, James A.; Rheeder, Paul; Ueckermann, Veronica (University of Leicester, 2017-03-07)
    PURPOSES : Elevated cardiac troponins have been shown to be associated with mortality in critical care, but its utility is not well established, especially in the setting of renal failure. This study aimed to examine the ...
  • Case study : a novel use for faecal microbial transplantation 
    Ueckermann, Veronica; Francis, E.W. (NISC (Pty) Ltd, Medpharm Publications, and Informa UK Limited, 2019)
    Faecal microbiota transplantation (FMT) refers to the infusion of faeces from a healthy donor, into the gastrointestinal tract of a recipient patient. There is considerable evidence for the efficacy of FMT for the ...
  • A challenging case of hypercalcaemia 
    Ueckermann, Veronica (Health and Medical Publishing Group, 2013)
    Hypercalcaemia is not uncommon in clinical practice. The majority of cases are accounted for by hyperparathyroidism and malignancy. The patient discussed below presented with an unusual case of hypercalcaemia.
  • Comparison of targeted metagenomics and IS-Pro methods for analysing the lung microbiome 
    Goolam Mahomed, Tanweer; Peters, Remco P.H.; Pretorius, G.H.J.; Mahomed, A. Goolam; Ueckermann, Veronica; Kock, Marleen M.; Ehlers, Marthie Magdaleen (BioMed Central, 2021-08-18)
    BACKGROUND : Targeted metagenomics and IS-Pro method are two of the many methods that have been used to study the microbiome. The two methods target different regions of the 16 S rRNA gene. The aim of this study was to ...
  • COVID-19 severity and in-hospital mortality in an area with high HIV prevalence 
    Boswell, Michael; Maimela, T.C.R. (Tshegofatso); Hameiri-Bowen, Dan; Riley, George; Malan, Albertus; Steyn, Nickietta; Nolutshungu, Nomonde; De Villiers, Talita R.; De Beer, Zelda; Mathabathe, John; Tshabalala, Khanyisile; Abdullah, Fareed; Ramlall, Rajiev; Heystek, Marthinus J.; Basu, Debashis; Rheeder, Paul; Ueckermann, Veronica; Van Hougenhouck-Tulleken, W.G. (Wesley) (AOSIS, 2023-01-27)
    BACKGROUND : HIV infection causes immune dysregulation affecting T-cell and monocyte function, which may alter coronavirus disease 2019 (COVID-19) pathophysiology. OBJECTIVES : We investigated the associations among ...
  • Cross-reactive neutralizing antibody responses elicited by SARS-CoV-2 501Y.V2 (B.1.351) 
    Moyo‑Gwete, Thandeka; Madzivhandila, Mashudu; Makhado, Zanele; Ayres, Frances; Mhlanga, Donald; Oosthuysen, Brent; Lambson, Bronwen E.; Kgagudi, Prudence; Tegally, Houriiyah; Iranzadeh, Arash; Doolabh, Deelan; Tyers, Lynn; Chinhoyi, Lionel R.; Mennen, Mathilda; Skelem, Sango; Marais, Gert; Wibmer, Constantinos K.; Bhiman, Jinal N.; Ueckermann, Veronica; Rossouw, Theresa M.; Boswell, Michael T.; De Oliveira, Tulio (Massachusetts Medical Society, 2021-06)
    No abstract available.
  • Decline in antibody responses to SARS-CoV-2 post-vaccination poses a risk to health care workers 
    Worsley, Catherine M.; Van der Mescht, Mieke Adri; Hoffmann, Daniel; Meyer, Pieter Willem Adriaan; Ueckermann, Veronica; Rossouw, Theresa M. (Elsevier, 2022-09)
    No abstract available.
  • Decreased severity of disease during the first global Omicron variant COVID-19 outbreak in a large hospital in Tshwane, South Africa 
    Abdullah, Fareed; Myers, J.; Basu, Debashis; Tintinger, Gregory; Ueckermann, Veronica; Mathebula, M.; Ramlall, R.; Spoor, S.; De Villiers, T.; Van der Walt, Z.; Cloete, Jeane; Soma-Pillay, Priya; Rheeder, Paul; Paruk, Fathima; Engelbrecht, Adel; Lalloo, Vidya; Myburg, M.; Kistan, J.; Van Hougenhouck-Tulleken, W.G. (Wesley); Boswell, Michael T.; Gray, G.; Welch, R.; Blumberg, Lucille Hellen; Jassat, W. (Elsevier, 2022-03)
    INTRODUCTION : The coronavirus disease 2019 (COVID-19) first reported in Wuhan, China in December 2019 is a global pandemic that is threatening the health and wellbeing of people worldwide. To date there have been more ...
  • The prevalence of subclinical hypothyroidism among patients with diabetes mellitus at the Kalafong Hospital Diabetes Clinic : a cross-sectional study 
    Ueckermann, Veronica; Van Zyl, Danie G. (MedPharm Publications, 2013)
    OBJECTIVE: The purpose of this study was to determine the prevalence of subclinical hypothyroidism among patients with diabetes mellitus at the Kalafong Diabetes Clinic in Pretoria. DESIGN: Cross-sectional study. SETTING ...
  • SARS-CoV-2 501Y.V2 escapes neutralization by South African COVID-19 donor plasma 
    Wibmer, Constantinos Kurt; Ayres, Frances; Hermanus, Tandile; Madzivhandila, Mashudu; Kgagudi, Prudence; Oosthuysen, Brent; Lambson, Bronwen E.; De Oliveira, Tulio; Vermeulen, Marion; Van der Berg, Karin; Rossouw, Theresa M.; Boswell, Michael T.; Ueckermann, Veronica; Meiring, Susan; Von Gottberg, Anne; Cohen, Cheryl; Morris, Lynn; Bhiman, Jinal N.; Moore, Penny L. (Springer, 2021-04)
    SARS-CoV-2 501Y.V2 (B.1.351), a novel lineage of coronavirus causing COVID-19, contains substitutions in two immunodominant domains of the spike protein. Here, we show that pseudovirus expressing 501Y.V2 spike protein ...
  • SARS-CoV-2 Beta and Delta variants trigger Fc effector function with increased cross-reactivity 
    Richardson, Simone I.; Manamela, Nelia P.; Motsoeneng, Boitumelo M.; Kaldine, Haajira; Ayres, Frances; Makhado, Zanele; Mennen, Mathilda; Skelem, Sango; Williams, Noleen; Sullivan, Nancy J.; Misasi, John; Gray, Glenda G.; Bekker, Linda‑Gail; Ueckermann, Veronica; Rossouw, Theresa M.; Boswell, M.T.; Ntusi, Ntobeko A.B.; Burgers, Wendy A.; Moore, Penny L. (Cell Press, 2022-02-15)
    Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) variants of concern (VOCs) exhibit escape from neutralizing antibodies, causing concern about vaccine effectiveness. However, while non-neutralizing cytotoxic ...
  • An unexpected acute coronary syndrome 
    Van Hougenhouck-Tulleken, W.G. (Wesley); Ueckermann, Veronica (Health and Medical Publishing Group, 2019-07)
    Acute coronary syndromes due to coronary artery vasospasm occur rarely and are difficult to diagnose in the acute setting. We present a patient with hypocalcaemia-induced coronary artery vasospasm, which resulted in an ...