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14 December 2022 | Story André Damons | Photo André Damons
Dr Michael Pienaar, Senior Lecturer and specialist in the UFS Department of Paediatrics and Child Health being presented to the acting Chancellor by his supervisor Prof Stephen Brown.

A lecturer from the University of the Free State (UFS) says the need to improve the care of seriously ill children is a vital part of reducing preventable deaths and diseases, and this led him to investigate the use of artificial neural networks to develop models for the prediction of patient outcomes in children with severe illness. The study was done for his PhD thesis. 

This forms the basis for the PhD thesis of Dr Michael Pienaar, Senior Lecturer and specialist in the UFS Department of Paediatrics and Child Health, called, The Development and Validation of Predictive Models for Paediatric Critical Illness in Children in Central South Africa using Artificial Neural Networks. His thesis reports the development and testing of several machine learning models designed to help healthcare workers identify seriously ill children early in a range of resource-limited settings. Combining a systematic literature search and Delphi technique with clinical data from 1 032 participants, this research led to significant progress towards implementable models for community health workers in clinical practice.

Care for critically ill children is a mission and calling 

Dr Pienaar graduated with a PhD specialising in Paediatrics on Monday (12 December) during the Faculty of Health Sciences’ December graduation ceremony. It took him three years to complete this degree. His supervisor was Prof Stephen Brown, Principal Specialist and Head of the Division of Paediatric Cardiology in the Department of Paediatrics and Child Health in the Faculty of Health Sciences at the UFS. Prof Nicolaas Luwes and Dr EC George were his co-supervisors. 

“I have been working in paediatric critical care since 2019 and see the care of critically ill children as my mission and calling in life. At the outset of the project, I was interested in approaches to complex phenomena and wanted to investigate new methods for tackling these in healthcare. 

“I have been interested in technology since childhood and in collaborating with other disciplines since I joined the university in 2019. Machine learning seemed like a great fit that could incorporate these interests and yield meaningful clinical results,” explains Dr Pienaar the reason why he chose this topic for his thesis.

He hopes that, in time, this work will lead to the implementation of integrated machine learning models to improve care and clinical outcomes for children in South Africa. From a scholarship perspective, he continues, his hope is that this work draws interest to this field in clinical research and encourages a move towards incorporating these new methods, as well as skills in areas such as coding and design in the armamentarium of a new generation of clinicians.

Medicine chooses you

According to Dr Pienaar, he always had broad interests, of which medicine is one. “I am very grateful to have found my way in medicine and am humbled and privileged to be allowed to walk with children and their families on a difficult and important journey. I believe this profession will choose you and put you where you are needed if you give it time and are prepared to listen.”

He describes graduating as a complicated ending to this period of his life and the beginning of a next chapter. He was humbled by the graduation ceremony. 

“It was wonderful to graduate with undergraduates and postgraduates in my profession – I felt great pride and solidarity joining these new colleagues and specialists in taking the oath. I am certainly relieved, proud, excited, and happy. I am also very grateful to the university, my promotors, colleagues, friends, and family for supporting me through this process. I must confess, it is also slightly bittersweet, I loved working on this and do miss it, but look forward to the next exciting project. 

“I would like to thank my Head of Department, Dr (Nomakhuwa) Tabane, my supervisors, my family and friends once again. I would also like to acknowledge and thank the National Research Foundation (NRF) as well as the University of the Free State for their assistance with funding this research.”

News Archive

Former UFS Dean awarded SAAWK medal for contribution to Bible translation work
2016-05-09

Description: Prof Hermie van Zyl Tags: Prof Hermie van Zyl

Prof Hermie van Zyl
Photo: Eugene Seegers

Prof Hermie van Zyl, former Dean of the Faculty of Theology at the University of the Free State (UFS), was recently awarded the Ds Pieter van Drimmelen medal by the South African Academy of Science and Arts (SAAWK) for his contribution to Afrikaans Bible translation and other translation work.

Prof Van Zyl was part of the team that published the Interlinear translation of the Bible (New Testament) in Greek and Afrikaans. This translation takes the reader from the original text (Greek), to an almost verbatim version, to a rough translation, and, ultimately, to a more polished, finished translation in the target language of Afrikaans.

Other translations Prof Van Zyl has been involved in include the Afrikaans Bible for the Deaf (published in 2008), the direct translation of the Bible (of which the New Testament and the Psalms have already been published), the New Living Translation, the Parallel New Testament, and the Reference Bible. He is the first lecturer from the Faculty of Theology at the UFS to receive an award from the SAAWK.

“It is a wonderful privilege and an honour and really came out of nowhere,” said Prof Van Zyl. He added that he is grateful that, amongst all the wonderfully talented people at the UFS, he could make a modest contribution. He mentioned that the collegial conversations, seminars, and other discussions in the faculty over the years, were very stimulating. He singled out Prof Jan du Rand and Prof Francois Tolmie (another former Dean of the Faculty and long-time colleague in the department of New Testament Studies) as inspiration.

The official presentation of the medal will take place in the Atterbury Theatre in Pretoria on 29 June 2016.

Prof Van Zyl was employed in the Faculty of Theology at the UFS for 29 years until his retirement in 2013. He is currently a Research Fellow in the Department of New Testament, and still lectures on occasion.

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