Evidence

The Science is Clear

Extensive research demonstrates the validity and utility of non-invasive SEM scanning technology for early pressure injury prevention.

Trust the Science. Treat the Delta.

The science is clear: SEM = persistent focal edema = stage 1 pressure injury.1 Discover how this fact can translate into actionable prevention strategies across your care settings.

Key Results

220+
Publications Support SEM Technology
90
Peer-Reviewed Publications
7
Independent Systematic Reviews 
120+
Scientific Congress Presentations
12
Care Guidelines & Consensus Statements

SEM Scanning is Referenced in Clinical Practice Guidelines

SEM scanning is now referenced by leading clinical organizations worldwide.

All Evidence Resources

Topic

Care Setting

Evidence

Sub-Epidermal Moisture Assessment as an Adjunct to Visual Assessment in the Reduction of Pressure Ulcer Incidence.

February 24, 2022

Evidence

Integrating technologies to enhance risk assessment for the early detection and prevention of pressure ulcers

September 1, 2021

Aim: Various technological advancements, including artificial intelligence, subepidermal moisture measurement, cytokine measurement, thermography and ultrasound are emerging as promising tools for PU detection, and subsequent prevention of more serious PU damage. Given the rise in availability of these technologies, this advances the question of whether our current approaches to PU prevention can be enhanced with…

Evidence

Clinical Profile of the SEM Scanner – Modernizing Pressure Injury Care Pathways Using Sub-Epidermal Moisture (SEM) Scanning.

August 2, 2021

Aim: This is a comprehensive review of SEM technology from a device, safety and efficacy perspective; while it does not add new data for the first time this review brings together all the relevant data into one publication.

Evidence

Sub-Epidermal Moisture Versus Traditional and Visual Skin Assessments to Assess Pressure Ulcer Risk in Surgery Patients.

January 1, 2021

Aim: To compare the predictive ability of sub-epidermal moisture (SEM) measurement versus traditional risk assessment and visual skin assessment (VSA) as means of detecting early pressure injury damage development among adults undergoing surgery.

Evidence

A Machine Learning Algorithm for Early Detection of Heel Deep Tissue Injuries Based on a Daily History of Sub-Epidermal Moisture Measurements.

September 1, 2020

Evidence

Evaluating the Sensitivity, Specificity and Clinical Utility of Algorithms of Spatial Variation in Sub-Epidermal Moisture (SEM) for the Diagnosis of Deep and Early-Stage Pressure-Induced Tissue Damage.

June 1, 2020

Aim: To evaluate the ability of an objective test, the SEM, to discriminate between subjects with confirmed pressure injury with intact skin versus those with no pressure damage.

Evidence

A Pressure Injury Prevention (PIP) Quality Improvement Pilot Of Sub-Epidermal Moisture Scanning In Acute Care

May 1, 2020

Evidence

Implementing a New Approach to Pressure Ulcer Prevention.

May 1, 2020

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