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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

Record number of students to graduate at UFS

2017-06-19

Description: Day 2 Mid-year Graduation Bloemfontein Campus Tags: Day 2 Mid-year Graduation Bloemfontein Campus

Eleven graduation ceremonies will form part of the
mid-year graduation ceremonies at the
University of the Free State.
Photo: Charl Devenish

Livestream of Graduation Ceremonies

Six days, eleven ceremonies, and more than 5 000 degrees. This all forms part of what is the biggest set of graduation ceremonies in the history of the University of the Free State (UFS).

The mid-year graduation ceremonies, taking place from 19 to 26 June 2017 in the Callie Human Centre on the Bloemfontein Campus, will see the most students graduate during a week. A total of 5 258 degrees, which includes 460 master’s and doctoral degrees, will be conferred – including 72 doctoral degrees.

First graduation ceremonies for Prof Petersen
It will also be the first ceremonies that Prof Francis Petersen, new Rector and Vice-Chancellor, attends on the Bloemfontein Campus. Students from all seven faculties, as well as the South Campus, will graduate.

Graduates per faculty are (without master’s and doctoral degrees): Faculty of Education (488), Faculty of Health Sciences (345), Faculty of Theology (29), Faculty of Law (686), Faculty of Natural and Agricultural Sciences (1 029), Faculty of Economic and Management Sciences (1 044), Faculty of the Humanities (826), and the South Campus (354).

Guest speakers include three judges
Guest speakers for the ceremonies include Dipiloane Phutsisi, Principal and Chief Executive Officer of the Motheo TVET College in the Free State, Dr Susan Vosloo, UFS Council member and founder member of the World Society for Paediatric and Congenital Heart Surgery, and Prof Petersen.

Three judges will also act as speakers. They are Justice Ian van der Merwe, Judge of Appeal at the Supreme Court of Appeal and former Chair of the UFS Council, Justice Mahube Molemela, Judge President of the Free State Division of the High Court and Acting Justice of the Supreme Court of South Africa, and Justice Connie Mocumie, Judge of Appeal at the Supreme Court of Appeal.

Graduations ceremonies:

19 June 2017:
09:00: Faculty of Education, except educational qualifications in Open Distance Learning – South Campus
14:30: Faculty of Health Sciences, Faculty of Theology and Faculty of Law (including the School of Financial Planning Law)

20 June 2017:
09:00: Faculty of Natural and Agricultural Sciences: All Bachelor’s degrees
14:30: Faculty of Natural and Agricultural Sciences: All Diplomas and Bachelor Honours degrees

21 June 2017:
09:00: Faculty of Economic and Management Sciences: All Certificates, Diplomas, Bachelor’s degrees and Bachelor Honours degrees, excluding BCom degrees
14:30: Faculty of the Humanities: Social Sciences and Communication Sciences only

22 June 2017:
09:00: Faculty of Economic and Management Sciences: BCom degrees only
14:30: Faculty of the Humanities: All qualifications except Social Sciences and Communication Sciences

23 June 2017:
14:30: Educational qualifications in Open Distance Learning – South Campus

26 June 2017:
09:00: All faculties except the Faculty of Natural and Agricultural Sciences: Master’s and Doctoral degrees
14:30: Faculty of Natural and Agricultural Sciences: Master’s and Doctoral degrees

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