Using a combination of sites 3 and 4 for monofilament testing gives a reasonable compromise for time, sensitivity, and specificity. Minor changes in sensitivity and specificity can lead to major changes in the prevalence of neuropathy, with implications for workload.
A randomized controlled trial was conducted to compare three forms of diabetes follow-up: (1) general practitioner care, (2) a system of care shared between the general practitioner (GP) and clinic and (3) conventional clinic care. Two hundred and six diabetic patients without significant diabetes-related or other medical complications were randomized to one of these follow-up systems. Metabolic control and blood pressure improved significantly and equally in all three groups (p < 0.05). The shared care group performed as well as or better than either of the other two groups in all other outcome measures. In particular, final attendance rates were 72% for shared care compared with only 35% for GP care and 53% for clinic care. Data collection rates for shared care were comparable with the clinic group for random blood glucose (88.9% vs 95.1%), weight (93.5% vs 98.3%), and blood pressure (94.8% vs 92.7%). Only in the case of glycosylated haemoglobin did shared care have poorer data collection (66.0% vs 98.4%). In all these parameters, except blood pressure, shared care out-performed the GP group. We conclude that with adequate support from and communication with hospital-based diabetes services, GPs are capable of providing care appropriate to the needs of uncomplicated diabetic patients.
Eighty-five diabetic patients who were proficient in English were studied to assess the impact of educational material of varying literacy levels on patient comprehension. Two samples of available diabetes foot care material of Grade 11 and 9 readability (measured by SMOG formula) and purposely written in-house material of Grade 6 readability were used. Patients were randomized to read information of either Grade 6 and Grade 11 or Grade 6 and Grade 9 readability. Socio-demographic data and reading habits were collected to allow for identification of literacy markers. The mean CLOZE score (a measure of comprehension) was better in patients who read the Grade 6 information than for both the Grade 11 and Grade 9 information (59.5 +/- 11.8, 46.8 +/- 22.0, 45.8 +/- 22.2 respectively, p < 0.001). When evaluated in terms of percent of patients that could independently understand the material, Grade 6 information outperformed the Grade 11 and Grade 9 information (60%, 19%, 21%, respectively, p < 0.001). For the Grade 11 and Grade 9 information, poorer comprehension was associated with a non-English speaking background, early school leaving age, infrequent reading habits, and preference for tabloids (p < 0.02). Comprehension when patients read the Grade 6 information was no longer dependent on two of the four identified literacy markers. We conclude that reducing literacy demands of health literature improves patients' comprehension. Attention to socio-demographic data and reading habits can assist educators in assessing patients' literacy status and ensuring patients are given literature of compatible readability.
This study examined the effects of an aldose reductase inhibitor (CP 45634, Sorbinil, Pfizer, New York, New York) on the neuropathy of streptozotocin-induced diabetic rats. Sorbinil treatment for 4 wk reduced sciatic nerve sorbitol concentration and improved motor nerve conduction velocity in diabetes of 2-9 mo duration. It remains to be determined whether Sorbinil can prevent chronic diabetic neuropathy.
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