Cognitive representations of peripheral neuropathy and self-reported foot-care behaviour

NewsBot · Jul 23, 2013

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Cognitive representations of peripheral neuropathy and self-reported foot-care behaviour of people at high risk of diabetes-related foot complications.
Perrin BM, Swerissen H, Payne CB, Skinner T.
Diabet Med. 2013 Jul 22.

AIM:
The aim of this study was to explore the cognitive representations of peripheral neuropathy and self-reported foot-care behaviour in an Australian sample of people with diabetes and peripheral neuropathy.
METHODS:
This cross-sectional study was undertaken with 121 participants with diabetes and peripheral neuropathy. Cognitive representations of peripheral neuropathy were measured by the Patients' Interpretation of Neuropathy questionnaire and two aspects of self-foot-care behaviour were measured using a self-report questionnaire. Hierarchical cluster analysis using the average linkage method was used to identify distinct illness schemata related to peripheral neuropathy.
RESULTS:
Three clusters of participants were identified who exhibited distinct illness schemata related to peripheral neuropathy. One cluster had more misperceptions about the nature of peripheral neuropathy, one cluster was generally realistic about the nature of their condition and the final cluster was uncertain about their condition. The cluster with high misperceptions of their condition undertook more potentially damaging foot-care behaviours than the other clusters (F = 4.98; P < 0.01).
CONCLUSIONS:
People with diabetes and peripheral neuropathy have different illness schemata that may influence health-related behaviour. Education aimed at improving foot-care behaviour and foot-health outcomes should be tailored to specific illness schemata related to peripheral neuropathy.
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NewsBot · Jan 7, 2017

Arterial stiffness, endothelial and cognitive function in subjects with type 2 diabetes in accordance with absence or presence of diabetic foot syndrome.
Tuttolomondo A et al
Cardiovasc Diabetol. 2017 Jan 6;16(1):2. doi: 10.1186/s12933-016-0483-5.

BACKGROUND:
Endothelial dysfunction is an early marker of cardiovascular disease so endothelial and arterial stiffness indexes are good indicators of vascular health. We aimed to assess whether the presence of diabetic foot is associated with arterial stiffness and endothelial function impairment.
METHODS:
We studied 50 subjects with type 2 diabetes mellitus and diabetic foot syndrome (DFS) compared to 50 diabetic subjects without diabetic foot, and 53 patients without diabetes mellitus, by means of the mini mental state examination (MMSE) administered to evaluate cognitive performance. Carotid-femoral pulse wave velocity (PWV) and augmentation index (Aix) were also evaluated by Applanation tonometry (SphygmoCor version 7.1), and the RH-PAT data were digitally analyzed online by Endo-PAT2000 using reactive hyperemia index (RHI) values.
RESULTS:
In comparison to diabetic subjects without diabetic foot the subjects with diabetic foot had higher mean values of PWV, lower mean values of RHI, and lower mean MMSE. At multinomial logistic regression PWV and RHI were significantly associated with diabetic foot presence, whereas ROC curve analysis had good sensitivity and specificity in arterial PWV and RHI for diabetic foot presence.
CONCLUSIONS:
Pulse wave velocity and augmentation index, mean RHI values, and mean MMSE were effective indicators of diabetic foot. Future research could address these issues by means of longitudinal studies to evaluate cardiovascular event incidence in relation to arterial stiffness, endothelial and cognitive markers.
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