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ObjectiveTight glycemic control and aggressive treatment of additional cardiovascular risk factors can substantially reduce risk of diabetes-related complications. In 2013, the Swiss Society of Endocrinology and Diabetology (SSED) established national criteria on good disease management in diabetes, but little is known about compliance in clinical care. Here we assessed to what extent patients from two tertiary care centers in the German-speaking part of Switzerland enrolled in the Swiss Diabetes (SwissDiab) Registry adhere to the SSED criteria.Research design and methodsSwissDiab is a prospective observational cohort study of patients regularly treated at Swiss tertiary diabetes centers. Data were collected through standardized annual health examinations. Baseline participant descriptive statistics, stratified by diabetes mellitus type 1 (DM1) and type 2 (DM2), were compared with SSED targets for glycemic control, blood pressure, blood lipids, weight maintenance, and ophthalmic examination.ResultsBy the end of 2016, 604 participants with DM1 (40%) and DM2 (60%) had data available for analyses, 36% and 29% women, respectively. At baseline, all the SSED targets were met with two exceptions: a glycated hemoglobin A1c value <7% was measured in 32% of participants with DM1 (SSED target: ≥40%) and 47% and 56% of overweight or obese participants with DM1 and DM2, respectively, received nutritional counseling in the previous year (SSED target: ≥80%).ConclusionsThe SSED targets for good disease management in diabetes were achieved in the majority of participants at the time of enrollment, but results also highlight areas where disease management can be improved, particularly the role of nutrition counseling.

Aims To assess whether, based on its relationship with complications of peptic ulcer disease (PUD), directed Helicobacter pylori serological screening is justified in diabetic patients prior to commencement of antiplatelet therapy. MethodsWe analysed data from the longitudinal, community-based Fremantle Diabetes Study (FDS). The present substudy included (i) 1301 patients (91.2% of the total FDS sample; mean age 62.0 ± 13.3 years, 49.5% male) with available sera from baseline assessment between 1993 and 1996, and (ii) a subset of 40 patients admitted to hospital for complicated PUD (bleeding and/or perforation) between baseline and end of June 2006. All hospital admissions for complicated PUD in the population of Western Australia were identified over the same period. Helicobacter pylori IgG antibodies were measured in all patients at baseline and in the subset at the FDS visit prior to hospital admission.Results Helicobacter pylori seropositivity was present in 60.6% of FDS patients at baseline and was independently associated with increasing age and non-Anglo-Celt/non-Asian ethnicity. There were 2.9 (95% confidence interval 2.1, 3.9) first admissions for complicated PUD per 1000 patient-years, an incidence more than seven times that in the local general population. Independent baseline predictors of hospital admission were increasing age, serum urea, non-aspirin anticoagulant therapy, sulphonylurea therapy, peripheral arterial disease and diabetic retinopathy, but not aspirin use, H. pylori seropositivity or their interaction.Conclusions There are diabetes-specific risk factors for complicated PUD, including sulphonylurea use and vascular complications. Knowledge of H. pylori serological status does not predict complicated PUD in diabetes regardless of use of antiplatelet therapy. Diabet. Med. 26, 70-75 (2009)

OBJECTIVE: The Swiss Diabetes Registry (SwissDiab) is a multicentre, longitudinal, observational study of outpatients with diabetes receiving treatment at tertiary care centres. The aim of this study was to evaluate the representativeness of the participants at the study centre in the Division of Endocrinology and Diabetes at the Cantonal Hospital of St Gallen by comparing diabetes-related characteristics of participating and nonparticipating patients. METHODS:The study included 493 SwissDiab participants enrolled between 1 January 2010 and 31 December 2016 and 640 nonparticipating patients treated at the centre during the same time period. For participants and nonparticipating patients, demographic characteristics, clinical findings, blood chemistry and medication were retrieved from the SwissDiab baseline visit and the medical record ±6 months from the first available outpatient visit to the clinic for diabetes-related care within the study period. Nonparticipating patients were further divided into three subgroups: (i) excluded from SwissDiab, or having received (ii) ≥6 months or (iii) <6 months of prior diabetes treatment at the centre. Differences in diabetes-related clinical characteristics were determined using simple bivariate (nonparametric) statistical analyses stratified by diabetes mellitus type 1 and type 2. RESULTS: Compared with nonparticipants, participants smoked less (diabetes mellitus type 1: 24% vs 45%; diabetes mellitus type 2: 21% vs 29%), had higher educational attainment (diabetes mellitus type 1: 39% vs 21%; and diabetes mellitus type 2: 25% vs 18%) and lower glycated haemoglobin levels (diabetes mellitus type 1: 7.2% vs 7.8%; diabetes mellitus type 2: 7.2% vs 8.1%). In diabetes mellitus type 2, the proportion of females (30% vs 38%) and a migration background (36% vs 49%) were lower among participants. (All p-values <0.05.) In a stratified analysis SwissDiab participants had slightly better controlled diabetes than nonparticipating patients with ≥6 months of prior treatment, whereas the diabetes of patients recently referred to the clinic (with <6 months of prior treatment) and patients excluded from participation in SwissDiab were less well controlled. CONCLUSION: The observed differences in clinical characteristics between study participants and nonparticipat-ing patients indicate that SwissDiab is likely to overestimate the state of diabetes care and management. The results highlight the need to improve recruitment of females and patients with a migration background in diabetes mellitus type 2.Clinical trial registration number: NCT01179815