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P62 Ulcère du pied chez le sujet diabétique
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To validate a wound classification instrument that includes assessment of depth, infection, and ischemia based on the eventual outcome of the wound.
We evaluated the medical records of 360 diabetic patients presenting for care of foot wounds at a multidisciplinary tertiary care foot clinic. As per protocol, all patients had a standardized evaluation to assess wound depth, sensory neuropathy, vascular insufficiency, and infection. Patients were assessed at 6 months after their initial evaluation to see whether an amputation had been performed.
There was a significant overall trend toward increased prevalence of amputations as wounds increased in both depth (chi 2trend = 143.1, P < 0.001) and stage (chi 2trend = 91.0, P < 0.001). This was true for every subcategory as well with the exception of noninfected, nonischemic ulcers. There were no amputations performed within this stage during the follow-up period. Patients were more than 11 times more likely to receive a midfoot or higher level amputation if their wound probed to bone (18.3 vs. 2.0%, P < 0.001, chi 2 = 31.5, odds ratio (OR) = 11.1, CI = 4.0-30.3). Patients with infection and ischemia were nearly 90 times more likely to receive a midfoot or higher amputation compared with patients in less advanced wound stages (76.5 vs. 3.5%, P < 0.001, chi 2 = 133.5, OR = 89.6, CI = 25-316).
Outcomes deteriorated with increasing grade and stage of wounds when measured using the University of Texas Wound Classification System.
Adults with diabetes have an annual mortality of about 5.4% (double the rate for non-diabetic adults), and their life expectancy is decreased on average by 5.10 years. Although the increased death rate is mainly due to cardiovascular disease, deaths from non-cardiovascular causes are also increased. A diagnosis of diabetes immediately increases the risk of developing various clinical complications that are largely irreversible and due to microvascular or macrovascular disease. Duration of diabetes is an important factor in the pathogenesis of complications, but other risk factors - for example, hypertension, cigarette smoking, and hypercholesterolaemia - interact with diabetes to affect the clicinal course of microangiopathy and macroangiopathy.
The aim was to compare three ulcer classification systems as predictors of the outcome of diabetic foot ulcers: the Wagner, the University of Texas (UT) and the size (area, depth), sepsis, arteriopathy, denervation system (S(AD)SAD) systems in a specialist clinic in Brazil.
Ulcer area, depth, appearance, infection and associated ischaemia and neuropathy were recorded in a consecutive series of 94 subjects. A novel score, the S(AD)SAD score, was derived from the sum of individual items of the S(AD)SAD system, and was evaluated. Follow-up was for at least 6 months. The primary outcome measure was the incidence of healing.
Mean age was 57.6 years; 57 (60.6%) were male. Forty-eight ulcers (51.1%) healed without surgery; 11 (12.2%) subjects underwent minor amputation. Significant differences in terms of healing were observed for depth (P=0.002), infection (P=0.006) and denervation (P=0.002) using the S(AD)SAD system, for UT grade (P=0.002) and stage (P=0.032) and for Wagner grades (P=0.002). Ulcers with an S(AD)SAD score of <or=9 (total possible 15) were 7.6 times more likely to heal than scores >or=10 (P<0.001).
All three systems predicted ulcer outcome. The S(AD)SAD score of ulcer severity could represent a useful addition to routine clinical practice. The association between outcome and ulcer depth confirms earlier reports. The association with infection was stronger than that reported from the centres in Europe or North America. The very strong association with neuropathy has only previously been observed in Tanzania. Studies designed to compare the outcome in different countries should adopt systems of classification, which are valid for the populations studied.
This study was carried out in the Metabolic Disease Department of the University Hospital of Brazzaville, between January 1995 and December 1999. Our purpose was to define epidemiological and clinical aspects of trophic disorders of the lower limbs, as observed among 247 diabetic patients. Diabetic foot was observed in 86.2% of adult patients with diabetes type 2, and in 13.8% of patients with diabetes type 1. The average duration of diabetes was 8 years. In 2.8% of cases, diabetes was discovered as a result of trophic disorders. Among observed lesions, infectious foot prevailed (63.9%) and mal perforant was exceptional (1.2%). The mortality rate before surgical intervention was high (22.6%).
to have a smaller wound (OR=0.67; 95% CI, 0.55-0.81), a wound that existed for a shorter period (OR=0.73; 95% CI, 0.61-0.87), and be nonwhite (OR =0 .64; 95% CI, 0.43-0.96) compared with patients whose wounds did not heal within 20 weeks. The patient's age (OR=0.99; 95% CI, 0.89-1.01), serum level of glycosylated hemoglobin at the start of the study (OR=1.03; 95% CI, 0.97-1.10), and sex (OR=1.02; 95% CI, 0.69-1.50) were unassociated with the probability of wound healing. Substantial heteroge- neity was not found among the studies. Conclusions: A standard care regimen for diabetic neu- ropathic foot ulcers is most likely to be effective for pa- tients who have wounds that are small and of brief du- ration. This information should help dermatologists decide initially whether to use standard care, to try a new treat- ment, or to refer the patient to a specialty center. Arch Dermatol. 2000;136:1531-1535
This study was an analysis of how diabetic patients with infected foot wounds are managed in hospital by departments specializing in diabetic foot pathology, including an evaluation of the outcome 1 year after discharge.
This was a prospective study of a cohort of patients hospitalized for diabetic foot infection at 38 hospital centres in France and followed-up for 1 year after discharge.
Altogether, 291 patients were included (73% male; 85% type 2 diabetes; mean age: 64.3±11.7 years). Most of the wounds were located on the toes and forefoot, and infection was most often graded as moderate; nevertheless, in about 50% of patients, osteomyelitis was suspected. Also, 87% of patients had peripheral neuropathy and 50-62% had peripheral artery disease. Gram-positive cocci, and Staphylococcus aureus in particular, were by far the most frequently isolated microorganisms. During hospitalization, lower-limb amputation was performed in 35% of patients; in 52%, the wound healed or had a favourable outcome. A year after discharge, 150 non-amputated patients were examined: at this time, 19% had to undergo amputation, whereas 79% had healed their wounds with no relapse. Risk factors for amputation were location (toes), severity of the wound and presence of osteomyelitis. Peripheral artery disease was associated with a poor prognosis, yet was very often neglected.
In spite of being managed at specialized centres that were, in general, following the agreed-upon published guidelines, the prognosis for diabetic foot infection remains poor, with a high rate (48%) of lower-limb amputation.
To estimate the effect of various risk factors on the probability that neuropathic diabetic foot ulcers will heal within 20 weeks of care.
A pooled or meta-analysis of individual patient data from the standard care arms of 5 randomized clinical trials was conducted. We analyzed 586 subjects with diabetes mellitus who had a neuropathic diabetic foot ulcer. All patients received good wound care, debridement, and "off-loading" of the wound.
Multivariable logistic regression was used to calculate the magnitude of the association of each risk factor with patients having healed wounds.
Logistic regression odds ratios (ORs; 95% confidence intervals [95% CIs]) revealed that those patients with a diabetic neuropathic foot ulcer that healed within 20 weeks using standard care were more likely to have a smaller wound (OR = 0.67; 95% CI, 0.55-0.81), a wound that existed for a shorter period (OR = 0.73; 95% CI, 0.61-0.87), and be nonwhite (OR = 0.64; 95% CI, 0.43-0.96) compared with patients whose wounds did not heal within 20 weeks. The patient's age (OR = 0.99; 95% CI, 0.89-1.01), serum level of glycosylated hemoglobin at the start of the study (OR = 1.03; 95% CI, 0.97-1.10), and sex (OR = 1. 02; 95% CI, 0.69-1.50) were unassociated with the probability of wound healing. Substantial heterogeneity was not found among the studies.
A standard care regimen for diabetic neuropathic foot ulcers is most likely to be effective for patients who have wounds that are small and of brief duration. This information should help dermatologists decide initially whether to use standard care, to try a new treatment, or to refer the patient to a specialty center.
The aim of this study was to describe health-related quality-of-life (HRQL) in patients with diabetic foot ulcers by comparing their HRQL with that of a sample from the general population without diabetes (general population) and a subgroup with diabetes (diabetes population), and to examine the differences between groups by sociodemographic characteristics and lifestyle factors.
A cross-sectional study was made of 127 adults with current diabetic foot ulcer, recruited from six hospital outpatient clinics, a control sample categorized as a diabetes population (n = 221) from the Norwegian Survey of Level of Living, and a sample from the general population (n = 5903). Data on sociodemographic characteristics (sex, age, cohabitation, education and employment) and lifestyle (body mass index [BMI] and smoking status) and HRQL (SF-36) were obtained.
In all the SF-36 subscales and in the two SF-36 summary scales, the patients with diabetic foot ulcer reported significantly poorer HRQL than the diabetes population. The most striking differences were for role limitation-physical (32.1 vs. 62.2, p < 0.001), physical functioning (57.5 vs. 77.3, p < 0.001) and role limitation-emotional (57.4 vs. 72.0, p < 0.001). The patients with foot ulcer had significantly lower HRQL than the general population on all scales, and in particular on role limitation-physical (32.1 vs. 74.3, p < 0.001), physical functioning (57.5 vs. 85.2, p < 0.001) and general health (50.1 vs. 74.3, p < 0.001). The most important sociodemographic characteristic that differed between the diabetic foot ulcer patients and the diabetes population was that significantly more of the foot ulcer patients were men living alone. The largest differences between the foot ulcer patients and the general population were that more of the foot ulcer patients were men, older, living alone, less well educated, and not working. The diabetic foot ulcer patients, the diabetes population and the general population differed in BMI: 28 kg/m(2) in the foot ulcer patients, 27 kg/m(2) in the diabetes population and 25 kg/m(2) in the general population.
Diabetic foot ulcer patients had much worse HRQL compared with the diabetes population and the general population, especially in physical health. Foot ulcer patients were more often men living alone, and obesity was a problem in both the foot ulcer patients and the diabetes population.
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