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  • Title: An assessment of the disease burden of foot ulcers in patients with diabetes mellitus attending a teaching hospital in Lagos, Nigeria.
    Author: Ogbera AO, Fasanmade O, Ohwovoriole AE, Adediran O.
    Journal: Int J Low Extrem Wounds; 2006 Dec; 5(4):244-9. PubMed ID: 17088600.
    Abstract:
    The major part of the burden of people with diabetes mellitus (DM) is their impaired quantity and quality of life. This is due to acute and chronic complications of which diabetic foot ulceration (DFU) takes the greatest toll. Most studies on the disease burden of DFU were carried out in developed countries, and to date, no indigenous study has addressed the burden of foot ulceration in Nigerians with DM. This study attempted to determine the disease burden of this important DM complication. The study was carried out at the Lagos University Teaching Hospital (LUTH), Lagos, Nigeria. The working definition of disease burden encompassed prevalence, morbidity, mortality, and the direct economic costs of diabetes mellitus foot syndrome (DMFS). For determination of the estimates of prevalence, the "capture-recapture" and intensive case-counting methods were used, mortality and morbidity were determined from records of admissions, and associated deaths over a 3-year period (1998-2000). The direct economic costs of foot ulceration were derived from the costs incurred from in-patient days, tests, drugs/medications, surgery, and other miscellaneous units of services. The total number of people with DM seen in LUTH from 1998 to 2000 was 1500, the hospital prevalence of DFU using the capture-recapture method being 9.5%. A total of 7253 medical admissions were made in this 3-year period, and of this number 827 (11.4%) were DM related. DFU-related admissions were 97 in number, and this made up 1.3% and 11.7% of the total medical and diabetes admissions, respectively. During this period, a total of 61 lower limb amputations were carried out and 26 (42.6%) of these were DM related. The proportion of medical deaths due to DMFS deaths was greater than the proportion of medical admissions due to DFU (P = .007). The case fatality of individuals with DFU was approximately 53%. A total number of 20 patients with DM foot ulcers were hospitalized during a 1-year period of the study (2003-2004). The majority had type 2 DM. A large majority (65%) of these patients had some form of surgery in addition to medical management of their condition. Mean costs for successfully treating a patient with DMFS was Nigerian Naira (NGN) 180,581.60. The total costs incurred ranged from NGN 20,400.00 to NGN 278,029.00. Drugs or medications accounted for the majority of the total costs incurred by the patients (46.9%).
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