Diabetic Peripheral Neuropathy
Conditions
Keywords
vagus nerve stimulation, cognitive functions
Brief summary
Diabetic peripheral neuropathy (DPN) occurs due to long standing hyperglycemia and associated metabolic derangements. Cognitive impairment is a common complication in diabetes mellitus. It is associated with a faster rate of cognitive decline.
Detailed description
This research aims to * determine the effect of non-invasive Vagus nerve stimulation on cognitive functions in diabetic peripheral neuropathy. * investigate the correlation between cognitive function and severity of diabetic neuropathy. * investigate the correlation between cognitive function and quality of life in diabetic peripheral neuropathy.
Interventions
Rehacom cognitive rehabilitation software will be used to treat the cognitive dysfunction * Patients will receive training for four weeks, two sessions per week. * Each patient will assume a comfortable sitting position on a chair in front of the screen. * A report will be generated at the end of the session. It will be used for follow up. * Session duration will range from 45 to 60 min. including rest period.
stimulation will be applied on cymba conchae of left external ear. A stimulation of frequency of 20 Hz, pulse width of 200 - 300 Ms and intensity of 0.5 mA. The stimulation will be on for 30 s and off for 48 s.The stimulus duration will range from 20 to 40 min.
Sponsors
Study design
Intervention model description
The control group (GI) will receive a computer based cognitive rehabilitation program (Rehacom system); and the study group (GII) will receive the same program as (GI) in addition to Vagus nerve stimulation.
Eligibility
Inclusion criteria
* patients with diabetic polyneuropathy * Female patients. * age ranges from 40 to 55 years old. * Duration of diabetic illness started since at least three years. * Patients with mild to moderate neuropathy according to Toronto clinical neuropathy score * Patients with cognitive function ranges from 24 - 15 score according to Mini mental state examination * Patients with HbA1c ranges from seven to nine score. * Ambulant patients with or without walking aids. * Medically and psychologically stable patients without cardiac problems, confirmed by Electro Cardiogram (ECG). * able to understand instructions.
Exclusion criteria
* Type I diabetes mellitus. * Severe visual, verbal or acoustic impairments. * Sever cognitive dysfunctions or that caused by other cause rather than diabetes mellitus. * Polyneuropathy caused by other cause rather than diabetes mellitus. * Other neurological problem as stroke. * Cardiovascular problems. * Metallic implants * Illiterate patients. * Uncooperative patients.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Attention/ concentration score | at baseline | Rehacom will be used to assess score of attention/ concentration domain of cognitive function |
| working memory score | at baseline | Rehacom will be used to assess score of working memory domain of cognitive function |
| Executive function score | at baseline | Rehacom will be used to assess score of executive function domain of cognitive function |
| Executive function | post intervention (after one month) | Rehacom will be used to assess score of executive function domain of cognitive function |
Countries
Egypt