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Articles by J. Vora
Total Records ( 2 ) for J. Vora
  K. Mohan , H. Miller , P. Dyce , R. Grainger , R. Hughes , J. Vora , M. Ledson and M. Walshaw
  AimsAlthough cystic fibrosis-related diabetes (CFRD), a poor prognostic factor in cystic fibrosis (CF), is characterized by insulinopenia, the role of insulin resistance is unclear. Using a prospective study design, we measured insulin resistance, pancreatic β-cell function and correlated glycaemic status with clinical parameters.

Methods Oral glucose tolerance test was performed in 60 stable adult CF patients. Insulin sensitivity and β-cell function were measured using the homeostatic model assessment (HOMA2), Stumvoll and oral glucose insulin sensitivity (OGIS) indices.

Results Forty-two (70%) had normal glucose tolerance (NGT), 10 (17%) impaired glucose tolerance (IGT) and eight (13%) CFRD. There was no difference in insulin sensitivity among the three groups (HOMA2: NGT 280, IGT 250, CFRD 339, P = 0.42; Stumvoll: NGT 0.128, IGT 0.126, CFRD 0.129, P = 0.76; and OGIS: NGT 515, IGT 472, CFRD 472, P = 0.12). Pancreatic β-cell function (CFRD 50% vs. NGT 67%; P < 0.05) and first-phase insulin secretion were reduced in CFRD (250 vs. NGT 509; P = 0.004). First-phase insulin secretion was inversely correlated with 1-h (r = −0.74; P < 0.0001) and 2-h glucose levels (r = −0.34; P < 0.05). There was no difference in body mass index or poor lung function (forced expiratory volume in 1 s: CFRD 54% vs. NGT 65%; P = 0.43). However, there were more hospital admissions in the CFRD group (three vs. NGT one per patient per year; P < 0.05).

Conclusions CFRD is characterized by qualitative and quantitative defects in insulin secretion, but not insulin resistance, and is associated with increased hospital admissions for pulmonary exacerbations.

  N. Goenka , B. Turner and J. Vora
  The increasing prevalence of diabetes, the drive to develop community services for diabetes and the Quality and Outcomes Framework for diabetes have led to improvements in the management of diabetes in primary care settings, with services traditionally provided only in specialist care now provided for many patients with diabetes by non-specialists. Consequently, there is a need to redefine roles, responsibilities and components of a specialist diabetes service to provide for the needs of patients in the National Health Service (NHS) today. The delivery of diabetes care is complex and touches on almost every aspect of the health service. It is the responsibility of those working within commissioning and specialist provider roles to work together with people with diabetes to develop, organize and deliver a full range of integrated diabetes care services. The local delivery model agreed within the local diabetes network, comprising specialist teams, primary care teams, commissioners and people with diabetes, should determine how the diabetes specialist services are organizsed. It should identify the roles and responsibilities of provider organizations to ensure that the right person provides the right care, at the right time, and in the right place. We summarize a report entitled ‘Commissioning Diabetes Specialist Services for Adults with Diabetes’, which has been produced, as a ‘Task and Finish’ group activity within Diabetes UK, to assist managers, commissioners and healthcare professionals to provide advice on the structure, roles and components of specialist diabetes services for adults.
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