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- Presenter Dr. C. Dealey
- Event EWMA 2010 conference, Geneva - Switzerland
- Podcast nr 048
- Length 11:32
Healthcare professionals are generally well aware of the terms pressure, shear and friction in relation to pressure ulcers. They may be less familiar with use of microclimate when discussing pressure ulcer aetiology. Whilst most will have a basic understanding of some or all of these terms, there is a tendency for eyes to glaze over when terms like perpendicular force or tangential force are used. A major strength of the consensus document is that it explains the science behind pressure, shear, friction and microclimate and then applies it to practical issues.
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- Presenter Dr. M. Lubbers and Dr. M. Clark
- Event EWMA 2010 conference, Geneva - Switzerland
- Podcast nr 047
- Length 44:21
Until recently our understanding of pressure ulcer aetiology had made little significant progress since the classic studies of the early 1960’s. These landmark experiments attempted to define the relationship between tissue damage, the magnitude of external pressures and the duration of their application.
Since the 1960’s tissue loading other than direct pressure was accepted as a cause of pressure ulcers but shear forces remained technically challenging to quantify so both their significance in pressure ulcer development and their management in clinical settings remained largely theoretical. Other extrinsic factors have been considered to increase skin and soft tissue vulnerability to prolonged or high external loads, of these the local microclimate (for example temperature and humidity) at the skin-support surface interface has long been viewed as contributing to pressure ulcer development. Like shear forces, the microclimate was challenging to quantify. In consequence little systematic progress has been made towards reducing any deleterious effects caused by changes in skin temperature or humidity.
Recent advances in measurement technologies have opened avenues of research that provide enhanced understanding of the physical effects of pressure and shear. Concurrent interest in the loaded skin’s microclimate may lead to strategies to reduce the effects of loads on the skin and soft tissues. This presentation will focus upon some of the new advances in our understanding of the effects of loading on skin highlighting where these could lead to new or improved ways of preventing pressure ulcers.
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- Presenter Prof. K. Harding
- Event EWMA 2010conference, Geneva - Switzerland
- Podcast nr 046
- Length 9:24
The concepts involved in understanding pressure, shear, friction and microclimate, and their roles in the development of pressure ulcers are widely acknowledged to be challenging. However, comprehension of these concepts should assist clinicians in consistent and effective implementation of pressure ulcer prevention protocols.
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- Presenter Isabel Bales
- Event EPUAP congress 2009, Amsterdam
- Podcast nr 023
- Length 20:09
The Institution for Healthcare Improvement (IHI) recently estimated that 2.5 million patients in US health-care institutions develop pressure ulcers (PUs) each year, resulting in 60,000 predicted deaths (ref 1). These ulcers prevent functional recovery and cause substantial pain and serious infection (ref 2). The annual estimate of treatment costs in the US hospitals is 11 billion dollars, with a mean length of stay of 13 days (ref 1).
1 Institute for Healthcare Improvement, 2008
2 Ayello & Lyder, 2007
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- Presenter Lorraine Thursby
- Event EWMA congress 2009, Helsinki
- Podcast nr 015
- Length 27:52
Globally, the World Health Organisation (WHO) estimates that over 1 billion people are currently overweight, including 800 million women, and that over 300 million people are obese. Yet it is apparent that this is a global issue much like pressure ulcers and the same attention must be given towards the necessity for education and effective protocols for the prevention.