alexa Antiplatelet Therapy, Diabetic Neuropathy and Periphera
ISSN: 2155-6156

Journal of Diabetes & Metabolism
Open Access

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Review Article

Antiplatelet Therapy, Diabetic Neuropathy and Peripheral Vascular Disease: A Unitary Approach

Takahisa Deguchi1, Raymond L. Rosales1,2*, Teruto Hashiguchi3 and Kimiyoshi Arimura1,4

1Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan

2Department of Neurology and Psychiatry, University of Santo Tomas, Manila, Philippines

3Department of Laboratory and Vascular Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan

4Ohkatsu Neurology and Rehabilitation Hospital, Kagoshima, Japan

*Corresponding Author:
Raymond L. Rosales, MD, PhD
Department of Neurology and Psychiatry
Faculty of Medicine and Surgery
University of Santo Tomas, Manila
Philippines, 1008
E-mail: [email protected]

Received date November 30, 2011; Accepted date January 17, 2012; Published date January 22, 2012

Citation: Deguchi T, Rosales RL, Hashiguchi T, Arimura K (2012) Antiplatelet Therapy, Diabetic Neuropathy and Peripheral Vascular Disease: A Unitary Approach. J Diabetes Metab S5:005. doi:10.4172/2155-6156.S5-005

Copyright: © 2012 Deguchi T, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Although pathologically not necessarily the same, germane to both diabetic neuropathy and peripheral vascular disease is the morbid vascular complication of diabetes mellitus. As it appears, strict glycemic control alone is unable to neither prevent nor promote recovery of diabetic microvascular complications, thus the need to seek other treatment strategies. In addressing the vascular complications, a unitary approach between diabetic neuropathy, peripheral vascular disease and antiplatelet therapy is in order. Notably, the fine balance between platelet/coagulation and fibrinolysis systems are dominantly shifted to acceleration of the platelet/coagulation system in diabetes mellitus. Not only platelet homophilic aggregation, but also platelet heterophilic aggregation with neutrophils or monocytes in inflammatory conditions is observed. Hyperglycemia also induces overproduction of reactive oxygen species by multiple pathomechanisms that injure endothelial cells and reduce nitric oxide which eventually reduce the blood flow in microvessels. Among other antiplatelet agents, cilostazol is a novel antiplatelet agent that has been found to have beneficial effects in macrovascular events like stroke and peripheral vascular diseases. In peripheral vascular disease clinical trials, there is robust data that cilostazol is efficacious in improving walking speed. Also, cilostazol increases nerve blood flow/nerve conduction, and inhibits reduction in pericyte area of endoneurial microvessels in animal models of diabetic neuropathy. Clinical trials on diabetic polyneuropathy alone or in combination with peripheral vascular disease indicate clinical improvement in blood flow, but not necessarily in neuropathy parameters. Since a neurodegenerative process is equally as important a pathomechanism, the effect of antiplatelet therapy in diabetic neuropathy should be examined in long-term clinical trials that may potentially unfold its benefits over time.

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