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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

UFS congratulates Free State on matric results

2017-01-05

With projects like the Internet Broadcast Project and the
Schools Partnership Projects the UFS helps to improve
education at schools in the Free State.
Photo: iStock

The University of the Free State (UFS) congratulates the Free State and its learners on their outstanding performance in the 2016 matric results. The university, who also plays a role in promoting excellence at school level, is proud of the Free State’s achievement as the best-performing province in the country with a 93,2% pass rate, excluding progressed learners.

“On behalf of the university community I would like to congratulate the Free State MEC of Education, Tate Makgoe, who is also a member of the UFS Council, and the Department of Education in the province on this fine achievement. The UFS is proud to be involved in projects that contribute to the success of the province’s learners. These include the Internet Broadcast Project (IBP) and the Schools Partnership Projects (SPP). The projects help to improve the quality of teaching and help learners to overcome severe domestic conditions in rural areas,” says Prof Nicky Morgan, Acting Vice-Chancellor and Rector of the UFS.

Internet Broadcast Project

The UFS IDEAS Lab in the Department of Open and Distance Learning on the UFS South Campus supports learners in 83 schools through the IBP with the help of academic videos. The project is a collaboration between the university and the Department of Education in the province. It includes support for subjects such as Mathematics, Physical Science, Life Science, Economics, Accounting, and Geography.

A purpose-built school appliance, comprising a projector, speakers, and a PC, is set up at each school, where learners receive video lectures from highly-qualified teachers.

During a function held in Bloemfontein on 5 January 2017 to congratulate performing schools in the province, Mr Makgoe made special mention of the IBP and said that part of the success of the province can be attributed to the project. Many of the top performing schools had learners who participated in the project. One of the districts that forms part of the project, the Xhariep District, was announced as the top performing district in the province, and is second in the country.

Schools Partnership Projects

The SPP focuses on teachers in order to have a more sustainable impact, with 69 schools in the Free State and Eastern Cape being part of it.

It makes use of mentors (30) who assist teachers and headmasters with school management, Mathematics, Physical Science, Accounting, and English as language of learning. The project has an annual budget of more than R15 million – all the funds come from sponsors outside the UFS.

Mentors visit schools and share knowledge, extra material, and technology to improve the standard of teaching. The change has been significant. Matric results and Bachelors pass rates have improved dramatically in these schools.

Another aspect is the identification of learners with potential (so-called first-generation students) to go to university. They are assisted through extra classes and in applying for tertiary education and bursaries.

Many of them currently study at the UFS, and also receive mentorship at university.

Dr Peet Venter, SPP Project Manager, said his team is proud to be part of the process of helping the Free State to become the number one province in the country again.

Both the IBP and SPP was started in 2011 and are managed from the university’s South Campus in Bloemfontein.

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