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Infant body composition research revolutionised with new PEA POD® technology

25 January 2024 | Story Leonie Bolleurs | Photo Sonia Small

Prof Corinna Walsh says the PEA POD Infant Body Composition System works by directly measuring an infant’s body weight and volume, and then uses these measurements to calculate the body fat percentage, fat mass, and fat-free mass.

Nutritional and growth patterns during early life have been associated with health, development, and well-being throughout the life cycle. It is also associated with risks for developing obesity and non-communicable diseases, such as cardiometabolic diseases, later in life. These are the findings of Prof Corinna Walsh, Professor in the Department of Nutrition and Dietetics.

Maternal and child health

”In line with national priorities, a strong research focus area of the Faculty of Health Sciences and the School of Health and Rehabilitation Sciences is maternal and child health,” she says. She goes on to mention that the Department of Nutrition and Dietetics has established a reputable research programme. This programme focuses primarily on the nutritional status of pregnant women and how the early environment to which they are exposed during and after pregnancy affects short- and long-term health outcomes of the offspring.

“In our previous work, the assessment of birth outcomes of infants was, however, limited by the lack of equipment to analyse body composition. The research that we can conduct with the PEA POD® provides us with immense additional potential,” remarks Prof Walsh.

She explains, “The PEA POD Infant Body Composition System is an infant-sized air displacement plethysmography system. It works by directly measuring an infant’s body weight and volume, and then uses these measurements to calculate the body fat percentage, fat mass, and fat-free mass.

According to her, the assessment of body volume takes two minutes. “The PEA POD technique also does not require collection of any fluids and does not expose the infant to radiation. It can be performed as often as required without any risks and be used up to a maximum of 8-10 kg body weight, from birth to about eight months,” she says.

Advanced technology

In the context of research on infant body weight and composition, there is a need for accurate measurement techniques that can differentiate between fat mass and fat-free mass. Prof Walsh is of the opinion that traditional measures such as body mass index (BMI) and weight for length have limitations in this regard, as they do not provide a clear distinction between these components. Furthermore, BMI may not be reliable for assessing adiposity or obesity in paediatric populations, and it can vary significantly with age and gender.

Addressing these challenges, the PEA POD equipment offers advanced technology that allows for highly accurate quantification of infant body composition. This technological capability opens up opportunities to study the effects of early-life nutrition on growth and the developmental mechanisms that may lead to later comorbidities. So, when it comes to researching infant body weight and composition, the PEA POD equipment plays a crucial role in providing precise data and insights.

News Archive

Free State Receives R7 Million Grant from the Mellon Foundation for Arts Innovation

2015-11-30

Man in the Green Blanket, Lesiba Mabitsela.
Photo: Karla Benade

Bloemfontein will experience a flood of new, experimental art over the next four years as a result of R7 million that has been received to develop experimental art projects in central South Africa. The Andrew W. Mellon Foundation recently awarded the grant to the University of the Free State (UFS) for the Programme for Innovation in Artform Development (PIAD). Initiated jointly by the UFS and the Vrystaat Arts Festival in 2014, PIAD was established as a programme to promote the exploration of the arts to advance interdisciplinary research and to impact on human development.

The Andrew W. Mellon Foundation is a New York-based, non-profit organisation which endeavours to strengthen, promote, and, where necessary, defend the contributions of the humanities and the arts to human flourishing, and to the well-being of diverse and democratic societies.

“The Innovation in Artform Development initiative will provide an important contribution to the ways in which the university hopes to broaden and deepen research and dialogue about the humanities in South African society. Using the arts as a vehicle to engage communities around issues of social significance, makes for an exciting endeavour, and we are happy to have Mellon’s financial and partnership investment in this initiative,” said Prof Jonathan Jansen, Vice-Chancellor of the UFS.

“This substantial support from the Foundation will play a pivotal role in facilitating collaborations with national and international artists to explore new, innovative modes of artistic practice and creative production in South Africa,” said Angela de Jesus, UFS Art Curator and Co-Director of PIAD.

“A series of First Nations projects, arts/science research and artist residencies, arts laboratories for creative practitioners, the production of exciting new work for Bloemfontein, and critical debates/forums is expected over the next few years,” she added.

PIAD focuses on supporting cross-cultural, experimental art programmes that can assist South African society creatively. For this process, PIAD is engaging the skills and expertise of South Africa artists in collaboration with several international partners, who are recognised as global leaders in this field, to develop a mutually- beneficial programme of engagement.

Innovation, technology, and new forms of art will be explored and international collaborations that have the potential to attract benefits for the creative industries in Bloemfontein and beyond will be introduced.

“The artistic landscape of the Free State - in fact the whole South Africa - will be forever changed because of this extraordinarily generous grant. Rarely does a regional community get a chance to lead innovation on a national scale, and also impact on experimental art internationally. We are in for an incredible artistic journey,” said Dr Ricardo Peach, Director of the Vrystaat Arts Festival and Co-Director of PIAD.

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