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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

Exciting open day and Albert Einstein program at Boyden Observatory

2005-05-06

National Science Week, which will be held from 7-14 May 2005, is an annual country-wide celebration of science, led by the Department of Science and Technology. The department selected a proposal by the Boyden Science Centre to coordinate a week of activities in the Bloemfontein area as one of the many projects in the country.

The project for Bloemfontein and surrounding areas will be delivered though a collaboration between the National Museum in Bloemfontein and the University of the Free State (UFS), including the Research Institute for Education Planning, the Department of Physics and other departments in the Faculty of Natural and Agricultural Sciences.

The purpose of National Science Week is:

to create awareness of the important role that science play in people’s daily lives;
to encourage our youth to consider studying and improving their performance in mathematics and science; and
to attract more of our youth into science, engineering and technology (SET) careers.

World Year of Physics and Albert Einstein Program at Boyden Observatory

The International Union of Pure and Applied Physics (IUPAP) declared the year 2005 as the World Year of Physics (WYP). In recognition of this declaration, the great contribution of Physics to the development of technology, and its importance in our everyday lives will be featured strongly during the National Science Week 2005.

On Saturday 7 May 2005 there will be a public programme at Boyden Observatory from 15:30 as a contribution to the World Year of Physics. The programme will be presented in collaboration with the Bloemfontein branch of the Astronomical Society of Southern Africa and will include short presentations on astronomy, space exploration and the sun.

The main presentation will be at 19:00 the evening on the life and work of Albert Einstein. The programme will also include observing sessions through telescopes of objects like the sun, Jupiter and Saturn. There will also be an exhibit on Albert Einstein. Attendance is free but booking is required. For bookings, phone 051-4012561.

Public lecture programme:

Next week the following exciting public lectures will be presented as part of the Science Week activities:

Monday 9 May 2005

National Museum:

A discussion on Apocalypse Then: the greatest mass extinction of all time. The lecture will be presented by Dr Jennifer Botha, Paleontologist at the National Museum.
Bookings: 051-4479609 (entrance is free).

UFS campus:

All lectures at Kine 2, Medical Faculty, UFS campus. Follow directions from the DF Malherbe Road entrance.
Bookings: 051-4012561 (entrance is free).

Tuesday 10 May 2005:

A discussion on the Tsunami disaster of 26 December 2004 at 19:30 (UFS campus, Kine 2 Medical Faculty).

Wednesday 11 May 2005:

A discussion on Is there life out there? at 19:30 (UFS campus, Kine 2 Medical Faculty).

Friday 13 May 2005:

A discussion on Hunting Black Holes at 19:30 (UFS campus, Kine 2 Medical Faculty). The lecture will be presented by Dr Phil Charles, Director: South African Astronomical Observatory.

Science awareness day at the National museum

The science week will be concluded on Saturday 14 May 2005 with a special Science Awareness Day at the National Museum, Aliwal Street, Bloemfontein.

The excellent exhibits at the museum will be supplemented with activities, career information and video shows. The duration of the programme will be from 10:00-16:00. For enquiries, please call 051-4479609.

Issued by:  Lacea Loader
   Media Representative
   Tel: (051) 401-2584
   Cell: 083 645 2454
   E-mail: loaderl.stg@mail.uovs.ac.za

6 May 2005

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