Walking Pattern Characteristics in Normal Pressure Hydrocephalus

  • STATUS
    Not Recruiting
  • End date
    Dec 31, 2022
  • participants needed
    60
  • sponsor
    University of Zurich
Updated on 2 June 2022

Summary

20 patients who are diagnosed with NPH receive a set of 5 wearable gyroscopes (IMUs, ZurichMove sensors) for a period of 3 days for measurement and characterization of their walking in an ambulatory setting. At a follow-up 2 weeks to 6 months after CSF diversion surgery, the examination is repeated and improvement is measured. The data will be compared with a healthy group of 20 age- and gender-matched individuals as well a a group of 20 young individuals.

Description

Temporary attachment of IMUs to wrists and ankles of the patients and probands for a period of three days and recording of movement during a 10 meter-walking test, 180 turnaround and during normal movement at home.

Group 1 (patients):

Patients with a completed diagnostic concerning iNPH, who are planned to receive a VP-shunt by their responsible neurosurgeon (independently from the study), will be included.

Before the shunt implantation, the patients will be examined at the USZ using wearable gyroscopes (like wristwatches) at both wrists and ankles as well as one around the body center.

The short examination will comprise a patient history (MoCa test, Kiefer-score, Stein- and Langfitt-Score), a short examination (4 minute walking test, 180 turnaround) in hospital. Afterwards, the patient goes home, where the gyroscopes examine walking patterns for a period of three days. After this period, the patient brings the devices back to the hospital. The surgery will take place afterwards, independently from the study, as well as adjustments of the shunt's flow-resistance for achievement of optimal response to the therapy. After this optimal result is achieved, but latest after 6 months, the examination will be repeated.

Groups 2 and 3 (controls):

As well 20 subjects matched for sex and age with the patient's group as 20 healthy young subjects will be examined just like the patients preoperatively. Walking patterns shall be compared to identify changes between pre- and postoperatively as well as differences between patients and controls.

Details
Condition Idiopathic Normal Pressure Hydrocephalus
Treatment Characterization of walking pattern characteristics in an ambulatory setting using wearable IMUs (ZurichMOVE sensors)
Clinical Study IdentifierNCT04702035
SponsorUniversity of Zurich
Last Modified on2 June 2022

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