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Articles by J. N. Harvey
Total Records ( 2 ) for J. N. Harvey
  J. N. Harvey and V. L. Lawson
  Patients' self-care behaviours have a major role in diabetes management. Diabetes education provides the required knowledge, but despite this, self-care is often suboptimal. The degree to which patients follow advice as regards the various self-care behaviours is determined by their health beliefs (Illness Representations or Personal Models) of diabetes. Psychometric studies have tried to categorize and measure the beliefs about illness that influence patients to adhere to treatment recommendations in diabetes. Various models have been proposed to explain the relationship between beliefs and behaviour. Leventhal's Self-Regulatory Model, which takes account of the emotional as well as the objective rational response to illness, currently seems to offer the best system for identifying the determinants of patient self-care behaviour. A review of interventions indicates those based on psychological theory offer professionals the best chance of maximizing their patients' contribution to diabetes self-management and achieving improved outcomes, both glycaemic and psychosocial. Studies designed specifically to modify illness representations are now being undertaken. This brief review aims to summarize developments in this area of psychological theory over the last 20 years and the implications for promoting better self-care behaviour in diabetes.
  A. J. Lansdown , J. Barton , J. Warner , D. Williams , J. W. Gregory , J. N. Harvey and L. Lowes
  Aims  To determine the proportion of cases of childhood Type 1 diabetes that present with ketoacidosis and any temporal trend. To assess the impact of a publicity campaign promoting earlier diagnosis.

Methods  We used an all-Wales register of incident cases with data on 2046 children from 1991 to 2009. The proportion with ketoacidosis at diagnosis was compared with the Yorkshire Childhood Diabetes Register. On World Diabetes Day posters were sent to every pharmacy, school and general practitioner surgery across Wales and radio interviews given. A questionnaire survey was conducted in Gwent to assess penetrance of the campaign.

Results  Annually, in 1991-2009 the proportion presenting with ketoacidosis varied between 20% and 33% (mean 25%) with no change over time. Similar proportions occurred in Yorkshire. Ketoacidosis was more common before age 5 years (37% of cases) than at age 5-9 years (20%) or 10-14 years (23%) (P < 0.001). From November 2006-2007 30% of cases presented with ketoacidosis and from November 2007-2008 25% cases presented with ketoacidosis. After the campaign (November 2008-2009) 26% presented with ketoacidosis (P = 0.72). The information had reached a low proportion of families. General practitioners referred immediately cases that presented to them.

Conclusions  Over 20 years in Wales there has been no change in the proportion of children with Type 1 diabetes initially presenting with ketoacidosis. This presentation occurs in a higher proportion of new cases aged under 5 years. Publicity to increase awareness did not reduce the proportion with ketoacidosis at diagnosis in Wales. We need to get the educational message through to parents to reduce ketoacidosis at presentation.

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