Microcurrent stimulation in the treatment of dry and wet macular degeneration

Laurie Chaikin,1 Kellen Kashiwa,2 Michael Bennet,2 George Papastergiou,3 Walter Gregory4 1Private practice, Alameda, CA, USA; 2Retina Institute of Hawaii, Honolulu, HI, USA; 3California Retinal Associates, San Diego, CA, USA; 4Clinical Trials Research Unit, Faculty of Medicine and Health, Universit...

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Autores principales:	Chaikin L, Kashiwa K, Bennet M, Papastergiou G, Gregory W
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2015
Materias:	microcurrent macular degeneration transpalpebral transcutaneous retinal disease Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/2f50ade7473e41159e8ba57ff49b4792
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spelling	oai:doaj.org-article:2f50ade7473e41159e8ba57ff49b47922021-12-02T06:09:09ZMicrocurrent stimulation in the treatment of dry and wet macular degeneration1177-5483https://doaj.org/article/2f50ade7473e41159e8ba57ff49b47922015-12-01T00:00:00Zhttps://www.dovepress.com/microcurrent-stimulation-in-the-treatment-of-dry-and-wet-macular-degen-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Laurie Chaikin,1 Kellen Kashiwa,2 Michael Bennet,2 George Papastergiou,3 Walter Gregory4 1Private practice, Alameda, CA, USA; 2Retina Institute of Hawaii, Honolulu, HI, USA; 3California Retinal Associates, San Diego, CA, USA; 4Clinical Trials Research Unit, Faculty of Medicine and Health, University of Leeds, Leeds, UK Purpose: To determine the safety and efficacy of the application of transcutaneous (transpalpebral) microcurrent stimulation to slow progression of dry and wet macular degeneration or improve vision in dry and wet macular degeneration. Methods: Seventeen patients aged between 67 and 95 years with an average age of 83 years were selected to participate in the study over a period of 3 months in two eye care centers. There were 25 eyes with dry age-related macular degeneration (DAMD) and six eyes with wet age-related macular degeneration (WAMD). Frequency-specific microcurrent stimulation was applied in a transpalpebral manner, using two programmable dual channel microcurrent units delivering pulsed microcurrent at 150 µA for 35 minutes once a week. The frequency pairs selected were based on targeting tissues, which are typically affected by the disease combined with frequencies that target disease processes. Early Treatment Diabetic Retinopathy Study or Snellen visual acuity (VA) was measured before and after each treatment session. All treatment was administered in a clinical setting. Results: Significant increases were seen in VA in DAMD (P=0.012, Wilcoxon one-sample test), but in WAMD, improvements did not reach statistical significance (P=0.059). In DAMD eyes, twice as many patients showed increase in VA (52%) compared to those showing deterioration (26%), with improvements being often sizeable, whereas deteriorations were usually very slight. In WAMD eyes, five of six (83%) patients showed an increase and none showed deterioration. Conclusion: The substantial changes observed over this period, combined with continued improvement for patients who continued treatment once a month, are encouraging for future studies. The changes observed indicate the potential efficacy of microcurrent to delay degeneration and possibly improve age-related macular degeneration, both wet and dry. However, this study has no control arm, so results should be treated with caution. Randomized double-blind controlled studies are needed to determine long-term effects. Keywords: microcurrent, macular degeneration, transpalpebral, transcutaneous, retinal diseaseChaikin LKashiwa KBennet MPapastergiou GGregory WDove Medical Pressarticlemicrocurrentmacular degenerationtranspalpebraltranscutaneousretinal diseaseOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2015, Iss Issue 1, Pp 2345-2353 (2015)
institution	DOAJ
collection	DOAJ
language	EN
topic	microcurrent macular degeneration transpalpebral transcutaneous retinal disease Ophthalmology RE1-994
spellingShingle	microcurrent macular degeneration transpalpebral transcutaneous retinal disease Ophthalmology RE1-994 Chaikin L Kashiwa K Bennet M Papastergiou G Gregory W Microcurrent stimulation in the treatment of dry and wet macular degeneration
description	Laurie Chaikin,1 Kellen Kashiwa,2 Michael Bennet,2 George Papastergiou,3 Walter Gregory4 1Private practice, Alameda, CA, USA; 2Retina Institute of Hawaii, Honolulu, HI, USA; 3California Retinal Associates, San Diego, CA, USA; 4Clinical Trials Research Unit, Faculty of Medicine and Health, University of Leeds, Leeds, UK Purpose: To determine the safety and efficacy of the application of transcutaneous (transpalpebral) microcurrent stimulation to slow progression of dry and wet macular degeneration or improve vision in dry and wet macular degeneration. Methods: Seventeen patients aged between 67 and 95 years with an average age of 83 years were selected to participate in the study over a period of 3 months in two eye care centers. There were 25 eyes with dry age-related macular degeneration (DAMD) and six eyes with wet age-related macular degeneration (WAMD). Frequency-specific microcurrent stimulation was applied in a transpalpebral manner, using two programmable dual channel microcurrent units delivering pulsed microcurrent at 150 µA for 35 minutes once a week. The frequency pairs selected were based on targeting tissues, which are typically affected by the disease combined with frequencies that target disease processes. Early Treatment Diabetic Retinopathy Study or Snellen visual acuity (VA) was measured before and after each treatment session. All treatment was administered in a clinical setting. Results: Significant increases were seen in VA in DAMD (P=0.012, Wilcoxon one-sample test), but in WAMD, improvements did not reach statistical significance (P=0.059). In DAMD eyes, twice as many patients showed increase in VA (52%) compared to those showing deterioration (26%), with improvements being often sizeable, whereas deteriorations were usually very slight. In WAMD eyes, five of six (83%) patients showed an increase and none showed deterioration. Conclusion: The substantial changes observed over this period, combined with continued improvement for patients who continued treatment once a month, are encouraging for future studies. The changes observed indicate the potential efficacy of microcurrent to delay degeneration and possibly improve age-related macular degeneration, both wet and dry. However, this study has no control arm, so results should be treated with caution. Randomized double-blind controlled studies are needed to determine long-term effects. Keywords: microcurrent, macular degeneration, transpalpebral, transcutaneous, retinal disease
format	article
author	Chaikin L Kashiwa K Bennet M Papastergiou G Gregory W
author_facet	Chaikin L Kashiwa K Bennet M Papastergiou G Gregory W
author_sort	Chaikin L
title	Microcurrent stimulation in the treatment of dry and wet macular degeneration
title_short	Microcurrent stimulation in the treatment of dry and wet macular degeneration
title_full	Microcurrent stimulation in the treatment of dry and wet macular degeneration
title_fullStr	Microcurrent stimulation in the treatment of dry and wet macular degeneration
title_full_unstemmed	Microcurrent stimulation in the treatment of dry and wet macular degeneration
title_sort	microcurrent stimulation in the treatment of dry and wet macular degeneration
publisher	Dove Medical Press
publishDate	2015
url	https://doaj.org/article/2f50ade7473e41159e8ba57ff49b4792
work_keys_str_mv	AT chaikinl microcurrentstimulationinthetreatmentofdryandwetmaculardegeneration AT kashiwak microcurrentstimulationinthetreatmentofdryandwetmaculardegeneration AT bennetm microcurrentstimulationinthetreatmentofdryandwetmaculardegeneration AT papastergioug microcurrentstimulationinthetreatmentofdryandwetmaculardegeneration AT gregoryw microcurrentstimulationinthetreatmentofdryandwetmaculardegeneration
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Microcurrent stimulation in the treatment of dry and wet macular degeneration

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