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Evaluating the Pegasus Trinova: a data hierarchy approach.

¹Portsmouth Hospitals NHS Trust.

British Journal of Nursing (Mark Allen Publishing)

|February 12, 2000

Summary

A new dynamic support system, the Pegasus Trinova, effectively prevents pressure sores in vulnerable patients. This study combined lab data and clinical trials to demonstrate its benefits, offering a faster way to evaluate new support surfaces.

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Area of Science:

Biomedical Engineering
Clinical Medicine
Patient Care Technology

Background:

Effective pressure sore management relies on understanding patient support surface efficacy.
Existing laboratory and clinical studies face significant challenges, hindering timely evaluation.
A new dynamic integrated mattress and seat cushion system, the Pegasus Trinova, has been developed.

Purpose of the Study:

To evaluate the efficacy and effectiveness of the Pegasus Trinova system.
To address the limitations of traditional mattress clinical trials by offering a timely evidence-based approach.
To provide a hierarchy of data combining laboratory and clinical measures for informed decision-making.

Main Methods:

Conducted laboratory assessments of interface pressure.
Performed a randomized controlled trial to gather efficacy data.
Incorporated measures of effectiveness, including patient feedback on comfort and user-friendliness.
Utilized a vulnerable patient population for the clinical evaluation.

Main Results:

The Pegasus Trinova system demonstrated successful prevention of pressure sores in the studied patient population.
Laboratory measures of interface pressure supported the clinical findings.
Patients reported positive experiences regarding the system's comfort and ease of use ('user-friendliness').
The integrated approach provided a robust hierarchy of evidence.

Conclusions:

The Pegasus Trinova system shows significant promise in preventing pressure sores.
The combined laboratory and clinical trial approach offers a more timely and evidence-based method for evaluating support surfaces.
This methodology can help move decisions regarding new support surfaces from anecdote and marketing claims to concrete evidence.

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