Diabetic foot infections

Melinda Sharkey, Serena S. Hu

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

INTRODUCTION: A diabetic foot infection is defined as any inframalleolar infection in a person with diabetes mellitus, and most arise from diabetic foot ulcers. Diabetic foot ulcers are portals of entry for infection in hosts with impaired immunity as well as physiologic limitations to wound healing. Therefore, all diabetic foot ulcers should be treated as chronic wounds that will not heal on their own – intervention is mandatory. Moreover, it is critical that infected diabetic foot ulcers be recognized and treated promptly because they represent the biggest risk factor for nontraumatic amputations in the diabetic population. EPIDEMIOLOGY: Diabetic foot infections account for the largest number of diabetes–related hospital bed days. In the United States alone, about 82,000 limb amputations are performed annually in those with diabetes, and an amputation in a diabetic patient is associated with a 5-year mortality rate between 39% and 68%. CLINICAL FEATURES: Purulent secretions, necrotic tissue, and signs of inflammation including pain, redness, warmth, tenderness and induration indicate infection of a diabetic foot ulcer (Figure 27.1, Table 27.1). All patients seen in the acute care setting with diabetic foot ulcers should undergo a basic peripheral vascular exam including palpation of the peripheral pulses and measurement of the ankle brachial index in each leg. An ankle brachial index is calculated by dividing the blood pressure in the calf of the affected foot by the blood pressure in the upper extremity.

Original languageEnglish (US)
Title of host publicationEmergency Management of Infectious Diseases
PublisherCambridge University Press
Pages143-146
Number of pages4
ISBN (Electronic)9780511547454
ISBN (Print)9780521871761
DOIs
StatePublished - Jan 1 2008
Externally publishedYes

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Diabetic Foot
Infection
Amputation
Ankle Brachial Index
Blood Pressure
Palpation
Upper Extremity
Wound Healing
Blood Vessels
Foot
Immunity
Leg
Diabetes Mellitus
Extremities
Inflammation
Pain
Mortality
Wounds and Injuries

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Sharkey, M., & Hu, S. S. (2008). Diabetic foot infections. In Emergency Management of Infectious Diseases (pp. 143-146). Cambridge University Press. https://doi.org/10.1017/CBO9780511547454.028

Diabetic foot infections. / Sharkey, Melinda; Hu, Serena S.

Emergency Management of Infectious Diseases. Cambridge University Press, 2008. p. 143-146.

Research output: Chapter in Book/Report/Conference proceedingChapter

Sharkey, M & Hu, SS 2008, Diabetic foot infections. in Emergency Management of Infectious Diseases. Cambridge University Press, pp. 143-146. https://doi.org/10.1017/CBO9780511547454.028
Sharkey M, Hu SS. Diabetic foot infections. In Emergency Management of Infectious Diseases. Cambridge University Press. 2008. p. 143-146 https://doi.org/10.1017/CBO9780511547454.028
Sharkey, Melinda ; Hu, Serena S. / Diabetic foot infections. Emergency Management of Infectious Diseases. Cambridge University Press, 2008. pp. 143-146
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