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Abstract
Background and purpose With an ageing population and an increasing incidence of diabetes, reduction of the number of diabetes-related amputations becomes increasingly difficult to achieve and maintain. There is controversy in this respect regarding the degree of success. We started a multidisciplinary treatment program for diabetic foot ulcers in 1982, and have now assessed incidence rates of amputations from 1982 through 2001.
Methods In a defined population, gradually increasing from 199,000 to 234,000, all diabetes-related amputations of the lower extremity from toe to hip were recorded from January 1, 1982 to December 31, 2001, using several sources of information.
Results The incidence of major amputations decreased by 0.57 from 16 (11–22) to 6.8 (6.1–7.5) per 100,000 inhabitants between the first and last 4-year period. The most substantial decrease was seen in patients aged 80 years and older. The fraction of amputations with a final level at or below the ankle (n = 240) increased from 0.23 in the first 4-year period to 0.31, 0.49, 0.47, and 0.49 in the following 4-year periods. The overall fraction of re-amputation was 0.34 in the first 4- year period and 0.27, 0.21, 0.32, and 0.21 in the following 4-year periods. The fraction of amputations in diabetic patients that were channeled through the footcare team prior to amputation increased from 0.51 in the first 4- year period to 0.83, 0.86, 0.90, and 0.90 in the following 4-year periods.
Interpretation Our findings indicate that a substantial decrease in the incidence of major lower extremity amputations in diabetic patients has been achieved and maintained.
Contributions of authors
JL initiated the study and did the main part of the data collection together with ME. JA supervised the study mainly from the internal medicine aspect and AS supervised the study from the surgical aspect. The authors took part to equal extents in all other respects.
