Outpatient regenerative therapy of a chronic diabetic foot ulcer with exposed bone surface

Abstract

BACKGROUND: Treatment of deep chronic wounds with the bone tissue involvement against the background of lower limb atherosclerosis and diabetic foot syndrome does not fit any reasonable hospital stay duration and at the same time has no effective outpatient methods. Therapy with conditioned medium derived from human mesenchymal stem cells (CM-MSC) may be a solution for this problem.

CLINICAL CASE DESCRIPTION: Patient F., 77-year-old, arrived for an outpatient treatment of local necrosis in the area of the 1st toe of the left foot in April, 2022. The main diagnosis: Peripheral arterial disease of the lower extremities. Multifocal atherosclerosis. Occlusion of the superficial femoral and popliteal arteries, diffuse lesions of the lower leg arteries on the left. Chronic arterial insufficiency of the 4th degree. Attempts of revascularisation of the left lower limb. Limited gangrene (Wagner IV) of the 1st toe of the left foot. Associated diseases: insulin-dependent type 2 diabetes mellitus (for more than 30 years). Diabetic polyneuropathy. Diabetic foot syndrome, neurotrophic form. Local treatment was performed by the microsurgical debridement of the affected surface in combination with the method of multilayered dressings, according to the previously patented technology. The microsurgical treatment of the bone surface in the wound area was carried out with the use of CM-MSC. Positive dynamics in the form of a partial closure of the bone fragment with soft tissue was observed on the sixth month of therapy. The complete closure of the open bone fragment was observed in 12 months from the beginning of the outpatient treatment.

CONCLUSION: The developed method of treatment using CM-MSC can be effective for chronic wounds with open bone surfaces.

Keywords

lower limb amputation / critical ischemia of the lower limb / cell conditioned medium / chronic wound / diabetes mellitus

References

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Funding

Правительство РФGovernment of the Russian Federation

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