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VibroSense: Reduced tactile sensitivity on feet of children with diabetes can be found using Multi Frequency Vibrometry

A master's thesis from the Faculty of Medicine at Lund University
shows that examined children with type 1 diabetes have reduced
tactile sensitivity in the feet compared to children who do not have
diabetes. Preliminary data from the study shows that even children
and adolescence may have impaired sensation, which may indicate early
forms of so-called diabetic neuropathy

The discovery was made in an on-going study conducted in collaboration
between the Pediatric clinic and the Department of Hand Surgery at
Skåne University Hospital in Malmö -Sweden, together with VibroSense
Dynamics AB.

The study is made by medicine student Erik Ising under supervision of
Helena Elding Larsson, doctor of medicine at the Pediatric clinic and
Lars Dahlin, Professor of Hand Surgery, at Lund University in Sweden.

The purpose of the thesis was to examine if children with Type-1
Diabetes show signs of reduced tactile sensitivity of the sole of the
foot and of the hand.

The study shows that Multi-Frequency Vibrometry, a new method for
diagnosis of impaired sensitivity, may disclose reduced tactile
sensitivity in the feet in a very early stage. Moreover, current
technology e.g. monofilament, exhibits a less sensitivity to detect
sensory disturbances.

Fully developed nerve damage in the feet, i.e. peripheral neuropathy
affects many adult patients with diabetes. This condition can lead to
chronic wounds and therefore it is very important to detect early
signs of impaired tactile sensitivity.

-We have many indications that it is possible to detect early signs of
diabetic neuropathy based on assessment of Vibrotactile Perception
Thresholds using Multi-Frequency Vibrometry, says Lars Dahlin,
Professor of Hand Surgery at the faculty of medicine at Lund
University in Sweden.

Multi-Frequency Vibrometry can be described as a hearing test of the
skin where the patient's ability to perceive vibration stimuli on the
skin is recorded at a number of frequencies. This method is far
superior to current clinical methods such at Monofilament, Tuning
fork or Biothesiometer, which are considered as methods with poor
precision and accuracy.

The life time expectancy of neuropathy is 20 to 25% for all diabetes
patients. This group accounts for 80% of the cost for diabetic wound
care and amputations. The healthcare costs are extensive for diabetes
related foot complication. In Germany, for example, these costs
amount to EUR 4,3 billion, in the United States to EUR 27 billion.

Today, approximately 415 million people have diabetes; in the year
2040, the number of diabetes patients worldwide is expected to reach
some 640 million people.

Contact information

Multi Frequency Vibrometry: Toni Speidel, CEO, VibroSense Dynamics AB,
+46 40 650 14 12,,

Medical questions: Lars B. Dahlin, Professor of Hand Surgery, Lund
University, Sweden. + 46 40 33 17 24,

About VibroSense Dynamics AB (public)

VibroSense Dynamics AB (public) develops and markets efficient systems
for early detection and diagnosis of peripheral sensory neuropathy,
i.e. disease of large nerve fibers and nerve trunks in the legs and

The Company, founded in 2005, is listed on the Small Cap list
AktieTorget since May 2015. The product portfolio includes a
CE-marked medical device, the VibroSense Meter, for diagnostics of
impaired sensitivity in the hands.


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