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Background: Diabetes-related lower-extremity amputations are largely preventable. Eighty-five percent of amputations are preceded by a foot ulcer. Effective management of ulcers, which leads to healing, can prevent limb loss.
Methods: In a county hospital, we implemented a six-step approach to the diabetic limb at risk. We calculated the frequency and level of lower-extremity amputations for 12 months before and 12 months after implementation of the amputation prevention program. We also calculated the high-low amputation ratio for the years reviewed. The high-low amputation ratio is a quality measure for the success of amputation prevention measures and is calculated as the ratio of the number of high amputations (limb losses) over the number of low (partial foot) amputations.
Results: The frequency of total amputations increased from 24 in year 1 to 46 in year 2. However, the number of limb losses decreased from 7 to 2 (72%). The high-low amputation ratio decreased eightfold in 1 year, which serves as a marker for limb salvage success.
Conclusions: Improvement in care organization and multidisciplinary-centered protocols can substantially reduce limb losses. (J Am Podiatr Med Assoc 100(2): 101–104, 2010)
Background: Because value-based care is critical to the Affordable Care Act success, we forecasted inpatient costs and the potential impact of podiatric medical care on savings in the diabetic population through improved care quality and decreased resource use during implementation of the health reform initiatives in California.
Methods: We forecasted enrollment of diabetic adults into Medicaid and subsidized health benefit exchange programs using the California Simulation of Insurance Markets (CalSIM) base model. Amputations and admissions per 1,000 diabetic patients and inpatient costs were based on the California Office of Statewide Health Planning and Development 2009-2011 inpatient discharge files. We evaluated cost in three categories: uncomplicated admissions, amputations during admissions, and discharges to a skilled nursing facility. Total costs and projected savings were calculated by applying the metrics and cost to the projected enrollment.
Results: Diabetic patients accounted for 6.6% of those newly eligible for Medicaid or health benefit exchange subsidies, with a 60.8% take-up rate. We project costs to be $24.2 million in the diabetic take-up population from 2014 to 2019. Inpatient costs were 94.3% higher when amputations occurred during the admission and 46.7% higher when discharged to a skilled nursing facility. Meanwhile, 61.0% of costs were attributed to uncomplicated admissions. Podiatric medical services saved 4.1% with a 10% reduction in admissions and amputations and an additional 1% for every 10% improvement in access to podiatric medical care.
Conclusions: When implementing the Affordable Care Act, inclusion of podiatric medical services on multidisciplinary teams and in chronic-care models featuring prevention helps shift care to ambulatory settings to realize the greatest cost savings.
A Diabetic Foot Ulcer Pilot Study
Does Silicone Gel Sheeting Reduce the Incidence of Reulceration?
Background: Silicone gel sheeting is an effective therapeutic intervention in the management of scar tissue. This pilot study was designed to examine the effect of silicone gel sheeting in preventing reulceration at former wound sites in diabetic patients.
Methods: Thirty patients with diabetes and a healed plantar neuropathic foot ulcer were enrolled and investigated in this randomized controlled trial. Participants with a newly healed ulcer were assigned to use either silicone gel sheeting or emollient cream daily for 3 months.
Results: Compared with emollient cream use, the use of silicone gel sheeting did not diminish and may have potentially increased the risk of reulceration.
Conclusions: Silicone gel sheeting does not seem to reduce the risk of reulceration in diabetic patients. The results of this trial should be viewed with caution given the small sample size. (J Am Podiatr Med Assoc 101(2): 116–123, 2011)
Background
The Amputation Prevention Initiative is a project conducted jointly by the Massachusetts Public Health Association and the Massachusetts Podiatric Medical Society that seeks to study methods to reduce nontraumatic lower-extremity amputations from diabetes.
Methods
To determine the rate of diabetes-related lower-extremity amputations in Massachusetts and identify the groups most at risk, hospital billing and discharge data were analyzed. To examine the components of the diabetic foot examination routinely performed by general practitioners, surveys were conducted in conjunction with physician meetings in Massachusetts (n = 149) and in six other states (n = 490).
Results
The average age-adjusted number of diabetes-related lower-extremity amputations in 2004 was 30.8 per 100,000 and 5.3 per 1,000 diabetic patients in MA, with high-risk groups being identified as men and black individuals. Among the general practitioners surveyed in Massachusetts, only 2.01% reported routinely conducting all four key components of the diabetic foot examination, with 28.86% reporting not performing any components.
Conclusions
These findings suggest that many general practitioners may be failing to perform the major components of the diabetic foot examination believed to prevent foot ulcers and lower-extremity amputations.
