Obliterating Diabetic Microangiopathy of the Diabetic Foot

IRCCS Multimedica60 enrolled

Overview

The purpose of this study will be the assessment of microangiopathy determined by the increase of capillary basement membrane thickness and decrease of capillary lumen area in the foot ulcer of 30 neuropathic and 30 neuroischemic type 2 diabetic patients

Primary endpoint of the study is to quantitatively evaluate the presence of microangiopathy as increase of capillary basement membrane thickness and decrease of capillary lumen area determined by transmission electron microscopy analysis in type 2 diabetic patients with only motor-sensory neuropathy or chronic critical ischemia affected by foot ulcer. The following parameters will be evaluated: * presence of capillary (n/mm2) and thrombosis (%) and correlation of this quantitative histological data with ischemic parameters (TcPO2, ankle-brachial index) and risk of diastasis * correlation between presence of inflammatory infiltrate (leukocytes/mm2) with blood inflammatory parameters (erythrocyte sedimentation rate (ESR), C-reactive protein, alpha-2 globulin) * rate of diastasis and/or time required for recovery associated with histopathological data * presence of acanthosis related to clinical and demographic variables

Study Type

OBSERVATIONAL

Enrollment

Conditions

Diabetic Foot

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria:- * adult type 2 diabetic patients of either gender * diabetes for more than 10 years * motor-sensory diabetic neuropathy with or without chronic critical ischemia * local residents * ulcer with surgical therapy indication of removal the 1st ray because of gangrene or osteomyelitis Exclusion Criteria: * type 1 diabetic patients * diabetes for less than 10 years * renal replacement therapy * urgent surgical procedure for sepsis * immunosuppressive therapy * not local residents * Cancer with adverse prognosis in months, or chemotheraputic treatment * Ongoing or planned pregnancy * Lack of consent to participate to the study

Locations (1)

Diabetic Foot Center - IRCCS Multimedica,

Sesto San Giovanni, (Milan), Italy, Italy

Outcomes

Primary Outcomes

presence of microangiopathy

presence of microangiopathy as increase of capillary basement membrane thickness and decrease of capillary lumen area by transmission electron microscopy in the skin of type 2 diabetic patients with foot ulcer

Time frame: 24 hours after surgical amputation at the first ray level for treatment of foot ulcer

Data from ClinicalTrials.gov

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