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Significant Improvement in Cognition in Mild to Moderately Severe Dementia Cases Treated with Transcranial Plus Intranasal Photobiomodulation: Case Series Report

Saltmarche AE, Naeser MA, Ho KF, Hamblin MR, Lim L

Photomedicine and laser surgery · 196 citas

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Cómo se estudió

Diseño
Reporte de caso (clasificado por nuestro filtro de IA)
Estudiado en
Personas
Resultado principal
Marcadores de salud y funcionamiento

Quién lo pagó

Financiación
Financiación independiente
Autores
Al menos un autor declara un vínculo económico con la industria

Según la declaración de financiación del texto completo.

Publicación

Publicado
2017-02-10 · Photomed Laser Surg · vol. 35 · número 8 · págs. 432–441
Editorial
Mary Ann Liebert, Inc.
Citado
301 citas · más que el 100% de estudios similares · 16.7× el promedio de su campo
Impacto
Entre el 10 % más citado de su campo
Referencias
36 trabajos
Acceso
Lectura gratuita
Áreas de investigación
Laser Applications in Dentistry and Medicine · Dermatologic Treatments and Research · Photoreceptor and optogenetics research
Palabras clave
Medicine, Dementia, Precuneus, Internal medicine, Alzheimer's disease, Cognition, Audiology, Psychiatry, Disease
MeSH
humans, alzheimer disease, prognosis, treatment outcome, severity of illness index, risk assessment, sampling studies, neuropsychological tests, aged, aged, 80 and over, female, male, low-level light therapy

5 autores

  • Anita E. Saltmarche · autor de correspondencia
  • Margaret A. Naeser🇺🇸Boston University; VA Boston Healthcare System
  • Kai Fai Ho
  • Michael R. Hamblin🇺🇸Harvard University; Massachusetts General Hospital
  • Lew Lim

Resumen

El texto original del estudio, en el idioma en que se publicó.

Objective

This study investigated whether patients with mild to moderately severe dementia or possible Alzheimer's disease (AD) with Mini-Mental State Exam (MMSE) Baseline scores of 10-24 would improve when treated with near-infrared photobiomodulation (PBM) therapy.

Background

Animal studies have presented the potential of PBM for AD. Dysregulation of the brain's default mode network (DMN) has been associated with AD, presenting the DMN as an identifiable target for PBM.

Materials and methods

The study used 810 nm, 10 Hz pulsed, light-emitting diode devices combining transcranial plus intranasal PBM to treat the cortical nodes of the DMN (bilateral mesial prefrontal cortex, precuneus/posterior cingulate cortex, angular gyrus, and hippocampus). Five patients with mild to moderately severe cognitive impairment were entered into 12 weeks of active treatment as well as a follow-up no-treatment, 4-week period. Patients were assessed with the MMSE and Alzheimer's Disease Assessment Scale (ADAS-cog) tests. The protocol involved weekly, in-clinic use of a transcranial-intranasal PBM device; and daily at-home use of an intranasal-only device.

Results

There was significant improvement after 12 weeks of PBM (MMSE, p < 0.003; ADAS-cog, p < 0.023). Increased function, better sleep, fewer angry outbursts, less anxiety, and wandering were reported post-PBM. There were no negative side effects. Precipitous declines were observed during the follow-up no-treatment, 4-week period. This is the first completed PBM case series to report significant, cognitive improvement in mild to moderately severe dementia and possible AD cases.

Conclusions

Results suggest that larger, controlled studies are warranted. PBM shows potential for home treatment of patients with dementia and AD.

Resumen vía Europe PMC. Los derechos de autor siguen siendo de los autores o la editorial (CC BY).

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