This case series describes the clinical course and reconstructive methods utilized for patients with diabetes and significant gangrene and necrosis following coronavirus disease 2019 (COVID-19) infection. COVID-19 produces mainly respiratory symptoms but has a variety of atypical presentations and sequelae. Serious complications are increased in patients with underlying medical conditions such as diabetes mellitus. By generating a prothrombotic milieu, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) increases the risk for arterial and venous thromboses. Inflammatory damage and micro-thromboses are thought to contribute to acro-ischemia, colloquially known as 'COVID toes,' which presents cutaneously as chilblain-like lesions. Necrosis can be severe and devastating, often resulting in major amputation. Two exemplary case reports are presented herein: first, a 57-year-old female presented for vascular evaluation with pedal gangrene to the midfoot one month after developing painful discoloration in her right toe. After angioplasty restored pedal blood flow, she received a transmetatarsal amputation (TMA) with a local tissue flap. Second, a 41-year-old female presented for vascular evaluation with extensive pedal gangrene three months after hospitalization for COVID-19. After arteriotomy improved pedal blood flow, she underwent a Lisfranc amputation followed by superficial circumflex iliac artery perforator (SCIP) flap reconstruction. Sufficient evidence suggests that COVID-19 impairs microcirculatory function and can be especially detrimental in diabetic patients. Reconstructive techniques in patients with severe gangrene with COVID toes help patients regain functionality.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11187994PMC
http://dx.doi.org/10.7759/cureus.60758DOI Listing

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