Latest News Archive

Please select Category, Year, and then Month to display items
Previous Archive
28 December 2020 | Story André Damons | Photo Supplied
Dr Michael Pienaar is a lecturer in the University of the Free State’s (UFS) department of Paediatrics and Child Health.

A lecturer from the University of the Free State’s (UFS) department of Paediatrics and Child Health is investigating the use of artificial neural networks to develop models for the prediction of patient outcomes in children with severe illness.

Dr Michael Pienaar, senior lecturer and specialist, is conducting this research as part of his doctoral research and the study deals primarily with the development of models that are designed and calibrated for use in South Africa. These artificial neural networks are computer programs designed to mimic some of the learning characteristics of biological neurons.

The potential applications of models

According to Dr Pienaar these models have traditionally been developed in high-income nations using conventional statistical methods.

“The potential applications of such models in the clinical setting include triage, medical research, guidance of resource allocation and quality control. Having initially begun this research investigating the prediction of mortality outcomes in the paediatric intensive care unit (PICU) I have broadened my scope to patients outside of PICU, seeking to identify children early during their illnesses who are at risk of serious illness requiring PICU,” says Dr Pienaar.

The research up until now has been directed towards the identification of characteristics that are both unique to children with serious illness in South Africa, but also accessible to clinicians in settings where expertise and technical resources are limited.

Research still in the early changes

The research is still in its early stages but next year a series of expert review panels will be held to investigate the selection of variables for the model, after which the collection of clinical data will begin. Once the data has been collected and prepared, a number of candidate models will be developed and evaluated. This should be concluded by the end of 2022.

Says Dr Pienaar: “The need to engage with the rapid proliferation of technology, particularly in the realms of machine learning, mobile technology, automation and the Internet of Things is as great in medical research now as it is in any academic discipline.

“It is critical that research, particularly in South Africa, engage with this in order to take advantage of the opportunities offered and avoid the dangers that go paired with them. Together with the technology as such, it has been essential to pursue this project as an interdisciplinary undertaking involving clinicians, biostatisticians and computer engineers.”

Hope for the research  

Dr Pienaar says he was very fortunate and grateful to be the recipient of a generous interdisciplinary grant from the UFS which has allowed him to procure software and equipment that is critical to this project.

“The hope for this research is that the best performing of these models can be integrated with a mobile application that assists practitioners in a wide range of settings in the identification, treatment and early referral of children at high risk of severe illness. I would like to expand this research project to include other countries in Africa and South America and to use it as a bridge to collaboration with other clinical researchers in the Global South,” says Dr Pienaar.

As an early career researcher, Dr Pienaar hopes that this research can serve as a platform to build a body of research that uses the rapid technological advances of these times together with a wide range of collaborations with other disciplines in the pursuit of better child health.

He concludes by saying that he has had excellent support thus far from his supervisors, Prof Stephen Brown (Faculty of Health Sciences, UFS), Dr Nicolaas Luwes (Faculty of Computer Science and Engineering, Central University of Technology) and Dr Elizabeth George (Medical Research Council Clinical Trials Unit, University College London). I have also been supported by the Robert Frater Institute in the Faculty of Health Sciences.

News Archive

PSP allows Dr Thom Wium to develop as an academic
2016-12-26

Description: Matildie PSP Tags: Matildie PSP 

For Dr Matildie Thom Wium, the
rewarding part of teaching is “the
moments of synergy with a group of
students” and when she senses that she
could, for instance, help them to better
understand a music selection.
Photo: Sonia Small

Being part of the Vice-Chancellor’s Prestige Scholars Programme (PSP) has opened doors for Dr Matildie Thom Wium. She is able to better plan her research, and the overseas trips she has to undertake for this helps to develop her skills.

The senior lecturer in the Odeion School of Music (OSM) at the University of the Free State (UFS) says these are some of the advantages the PSP holds for her.

She attended two international conferences this year – in London in January, and in New York in August. Furthermore, she is working on musical analysis with Prof Timothy Jackson at the University of North Texas, US from 12 September 2016 to 31 December 2016. Prof Jackson is a research professor and was one of her PhD promoters.

Conferences contribute to her vision
“I think the PSP is a fantastic initiative,” says Dr Thom Wium, whose husband Daniël Wium is a lecturer in Astrophysics at the UFS. She says the reseach support from the PSP is amazing. “In addition, the writing retreats offered by the PSP help to set time aside during the busy semester to work on articles.”

“I think the PSP is a fantastic initiative.”

The conference in London was on operatic practice in the 19th century. In the US, Dr Thom Wium, who has been working at the UFS since 2007, also participated in a panel discussion on this topic. “It means a lot for my vision as an academic to participate in conferences where I have the opportunity to meet and exchange thoughts with the people whose work I read and cite.”

Involvement in SA equally important

However, she believes that it is equally important to stay involved locally. At the conference of the South African Society for Research in Music, which was hosted by the OSM from 25 to 27 August 2016, she presented a paper on composer Arnold van Wyk and performed a song cycle by him. She did research on Van Wyk for her PhD.

We use cookies to make interactions with our websites and services easy and meaningful. To better understand how they are used, read more about the UFS cookie policy. By continuing to use this site you are giving us your consent to do this.

Accept