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- Author or Editor: Edward Jude x
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The structure, classification, function, and regulation of matrix metalloproteinases in normal and abnormal wound healing is discussed. Results from key studies suggest that neutrophil-derived matrix metalloproteinase 8 (MMP-8) is the predominant collagenase present in normal healing wounds, and that overexpression and activation of this collagenase may be involved in the pathogenesis of nonhealing chronic leg ulcers. Excessive collagenolytic activity in these chronic wounds is possible because of the reduced levels of tissue inhibitor metalloproteinase 1 (TIMP-1). However, until recently, there have been no studies evaluating levels of matrix metalloproteinase or tissue inhibitors of metalloproteinase activity in chronic diabetic foot wounds. Improving basic knowledge and pharmaceutical intervention in this area ultimately may help clinicians identify and proactively intervene in an effort to prevent normal wounds from becoming chronic. This may prevent the high prevalence of morbidity associated with this significant health problem. (J Am Podiatr Med Assoc 92(1): 12-18, 2002)
Charcot Foot is often misdiagnosed because of its varied presentation that mimics other common disorders including tubercular rheumatism, complex regional pain syndrome or gout. We present a case of ankle swelling and discuss the differential diagnosis, radiological findings, and management. We also discuss the approach to diagnosis and provide differences in clinical presentations, magnetic resonance imaging,and bone scan findings for various differentials considered for Charcot foot.
Charcot’s arthropathy is a devastating condition affecting diabetic patients with peripheral neuropathy, resulting in a foot at risk for ulceration and amputation. Early diagnosis is important for the institution of appropriate treatment, which may help prevent disease progression and foot deformity. This article discusses the pathogenesis and treatment options available for the disorder. (J Am Podiatr Med Assoc 92(7): 381-383, 2002)
The diabetic Charcot foot syndrome is a serious and potentially limb-threatening lower-extremity complication of diabetes. First described in 1883, this enigmatic condition continues to challenge even the most experienced practitioners. Now considered an inflammatory syndrome, the diabetic Charcot foot is characterized by varying degrees of bone and joint disorganization secondary to underlying neuropathy, trauma, and perturbations of bone metabolism. An international task force of experts was convened by the American Diabetes Association and the American Podiatric Medical Association in January 2011 to summarize available evidence on the pathophysiology, natural history, presentations, and treatment recommendations for this entity. (J Am Podiatr Med Assoc 101(5): 437–446, 2011)