• English Language Learners Definition of altimeter: an instrument used for measuring the altitude of something (such as an airplane or a mountain) See the full definition for altimeter in the English Language Learners Dictionary.
• Sleep is more than just the absence of movement, as someone could lie still and the device would be unable to detect a difference. Devices that can incorporate additional measurements may eventually be able to detect the measures needed to truly identify sleep.

1. Infrared Actimeter
2. Wrist Altimeter
3. Plate Actometer

Periodic Limb Movements during Sleep (PLMs) are episodes of repetitive, stereotypical, hallux or foot movements. They could induce sleep disturbance, fatigue, daytime sleepiness and impaired quality of life but also increased cardiovascular risk by rising heart rate and blood pressure at night. Gold standard for PLMs diagnosis is based on electromyographic recording of tibialis anterior muscle during full night polysomnography (PSG).

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PLMs prevalence is higher in patients with spinal cord injury (SCI) possibly due to a loss of encephalic inhibition on a spinal motion generator. In these patients, PLMs can also be wrongly considered as spasms sometimes leading to the unjustified implantation of an intrathecal Lioresal pump.

In the general population, drug treatments for PLMs, particularly dopamine agonists, limit the impact of these abnormal movements on sleep fragmentation, daytime alertness and quality of life. Underdiagnosed PLMs in SCI patients can lead to exacerbate cognitive, mood and painful disorders due to the close interaction between sleep disorders and neurocognitive, psychological and painful manifestations.

PLMs appropriate diagnosis appeared mandatory in those patients but accessibility and delayed availability remain challenging. In addition, sleep laboratories are often unable to accommodate with SCI patients.

In this context, actigraphy, an easy-to-use, cheaper and easily renewable diagnostic tool would be interesting. In the general population, sensitivity to diagnose PLMs was between 0.79 and 1 and specificity between 0.6 and 0.83. Due to lower limbs impairment, increased specificity is expected SCI patients (decrease voluntary activity).

The new generation of actigraph (MotionWatchR) could have better characteristics thanks to the development of a specific software which integrate both lower limbs in the same analysis.

As primary objective, this prospective monocentric study aims to evaluate the performances of lower limbs actigraphy for PLMs diagnosis versus gold standard.

For price enquiries, please contact us for a quote on any of our technologies:
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Infrared Actimeter

Contact:

tel: 089 215 471 2995
info@neurocaregroup.com

The ActTrust Actigraph measures special parameters at the wrist to examine sleep and chronobiology. Designed specifically for medical and research applications, the device is a reliable and intuitive tool for scientists, physicians and therapists.

ActTrust measures precisely 24/7 over a period of up to 3 months:

• the activity and sleep phases
• the ambient and skin temperature
• the light intensity
• blue, red and green wavelenght light
• UVA/UVB light (ActTrust2 only)

You can use the device during inptient assessment or give it to your patient for use at home. The patient can wear the splash-proof device day and night - even when showering.

Actigraphy with ActTrust supports the therapy of psychological disorders, such as ADHD or depression.

• monitoring the efficacy of neuromodulation techniques (rTMS, tDCS, neurofeedback) and behavioural, pharmacological and light therapies,
• treating and monitoring sleep disorders, such as sleep onset insomnia, sleep maintenance problems, circadian rhythm disorders, chronic fatigue),
• the assessment of the factors contributing to the development of sleep disorders, such as the consumption of blue light before bedtime.

ActTrust2

Our newest actigraph. It combines all functions of the ActTrust, but also features a time display and additional sensors.

ActTrust

The ultra-compact, lightweight actigraphy wristband for use in clinics, sleep laboratories and practices.

• 2 temperature sensors, sensors for red, green, blue and IR light and a 3-axis MEMS accelerometer
• measurement intervals of 1- 86.400 seconds
• event marker
• records and stores data continously for up to three months
• robust, splash-proof casing
• data transfer via USB docking station
• software compatible with Windows and Mac OS

ActStudio is innovative alaysis software for ActTrust and ActTrust2. The software offers among other things:

• detailed analysis of important sleep parameters: time taken to fall asleep (sleep onset latency - SOL), wake after sleep onset (WASO), sleep efficiency and number of awakenings.
• graphical representations of various chronobiological functions and environment factors
• automatic reports for clinical and scientifice use

Wrist Altimeter

The software ActStudio is included with the ActTrust as well as the ActTrust2.
The connection to your computer is established via the docking station ActDock.
Further details on ActStudio and ActDock will soon be available here. If you have any questions, please contact us.

Plate Actometer

neuroCare regularly offers qualified training in sleep profile analysis with actigraphy and sleep disorders in varios locations in Germany, the Netherlands and Australia, but on request also at your desired location. In addition, we offer clinical and technical supervision (by telephone, Skype or on site).

You can find more information on the website of our neuroCademy.