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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

Campus-wide poll to determine preferences among current staff and students for language models

2015-10-20

Language poll postponed until Thursday 22 October 2015

Due to the closing down of all UFS campuses on Wednesday 21 October 2015, the language poll has been postponed until Thursday 22 October 2015.

Invitation to take part in a campus-wide poll to determine preferences among current staff and students for language models.

As mandated by the Council on 5 June 2015, the senior leadership of the University of the Free State (UFS) has committed itself to a formal review process of the current language policy through a comprehensive process of consultation with all university stakeholders.

Since 19 August 2015, the following public sessions have taken place across all three campuses:

Public dialogue for staff and students, Qwaqwa Campus, 19 August 2015
Staff submissions, Bloemfontein Campus, 20 August 2015
External stakeholder submissions, Bloemfontein Campus, 24 August 2015
Public dialogue for staff and students, South Campus, 26 August 2015
Alumni submissions, Bloemfontein Campus, 27 August 2015
Expert panel discussion for staff and students with Q&A, Bloemfontein Campus, 31 August 2015
Staff, students, and external stakeholder submissions, Qwaqwa Campus, 9 September 2015
Panel discussion and public dialogue for students, Bloemfontein Campus, 10 September 2015
Expert panel discussion for staff and students with Q&A, Bloemfontein Campus, 11 September 2015
Student submissions, Bloemfontein Campus, 15 September 2015
Staff and student submissions, South Campus, 16 September 2015
Convocation submissions, Bloemfontein Campus, 30 September 2015

Further, written and online submissions from the entire university community were put forward until 18 September 2015, while the Convocation had until 30 September 2015 to submit. During the process, the Language Committee has met weekly and discussed the viability, benefits and challenges of various language model options, taking into account institutional, regional, national and global concerns, documents and information.

Following the university’s commitment to open, democratic practice, the UFS calls upon all its current staff and students to participate in a campus-wide poll in order to assist the Language Committee in determining possible preferences among current staff and students for language models. The possible models have emerged from the broad consultation process.

Please note that the campus-wide poll is NOT a formal voting process or referendum and will form only one part of many deciding factors that will be referred to the UFS Council on 20 November 2015 for their deliberations regarding the future of the language policy at the UFS. The poll, conducted by the Independent Electoral Commission (IEC), will be indicative of the preferences of staff and students for possible language model options, with specific focus on language of instruction.

The poll will take place at the following venues from 21-28 October 2015, 08:00-16:30, including the weekend:

Bloemfontein Campus: Kestell Residence Gazellie

Qwaqwa Campus: VIP Lounge

South Campus: Conference Hall

To take part in the polling, a valid staff or student card must be produced. Polling will take place on the basis of one poll per current staff member/student.

We look forward to your participation in the poll and hereby thank the entire university community for their ongoing interest and responsible engagement with the review process.

For inquiries send an email to language@ufs.ac.za or call 051 401 3422051 401 3422.

The UFS Language Committee

Click here for the question and answer page.

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