[HOSPITALIZATIONS DUE TO ACUTE DIABETIC FOOT: ANNUAL TRENDS AND PREDICTORS OF MORBIDITY AND MORTALITY - 5-YEARS EXPERIENCE OF A MULTIDISCIPLINARY UNIT].

2021 
INTRODUCTION Since 2012, patients presenting to our hospital with an acute diabetic foot are hospitalized in a dedicated unit. This study describes patients' characteristics and trends in amputations, procedures and mortality during the years 2014-2018. METHODS We retrospectively reviewed the electronic medical records of 694 patients admitted to the unit during the study period. We collected demographic, clinical and laboratory data, procedures and outcomes. Annual trends were studied as well as predictors to any or major amputation and to mortality within 1 year following discharge. RESULTS The mean age was 63.8±12.7 years and 75.4% of the patients were male. There was a high prevalence of neuropathy, peripheral artery disease and ischemic heart disease (55.3%, 66.1% and 44.2% respectively). Previous hospitalization was noted for 62.0% of the patients and 38.3% had undergone a previous amputation. The majority of the patients had chronic kidney disease and 19.0% were dialysis patients. During hospitalization, 54.3% of the patients underwent any amputation, 25.2% had a major amputation and 6.2% died. The mortality rate within 1 year of discharge was 24.5%. There were no changes in patient demographics, characteristics or outcomes during the study years, although an increase in the proportion of patients who had undergone previous amputation, and of current smokers in recent years was noted. Moreover, in recent years more vascular procedures and surgical procedures in the operating room were performed. Older age, recent hospitalization, previous amputation, neuropathy, ischemic heart disease, peripheral vascular disease, chronic renal insufficiency, elevated inflammatory markers, a progressive ulcer, and a midfoot or hindfoot (vs. forefoot) ulcer were all associated with major amputations. CONCLUSIONS During the study period, patients' characteristics remained generally stable as did amputation and mortality rates. The high 1-year mortality rate of this population is indicative of these patients' significant morbidity.
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