Background: This multicenter study was conducted to evaluate the performance of five recently introduced blood glucose (BG) monitoring (BGM) Ò [Bayer Vital GmbH, Leverkusen, Germany]) in a daily routine setting. All devices and strips were purchased from local regular distribution sources (pharmacies, four strip lots per device). The patients performed the finger prick and the glucose measurement on their own. In parallel, a healthcare professional performed the glucose assessment with the reference method (YSI 2300 Stat Plus). The primary objective was the comparison of the mean absolute relative differences (MARD). Secondary objectives were compliance with the International Organization for Standardization (ISO) accuracy criteria under these routine conditions and Clarke and Parkes Error Grid analyses. Results: MARD ranged from 4.9% (FreeStyle Lite) to 9.7% (OneTouch UltraEasy). The ISO 15197:2003 requirements were fulfilled by the FreeStyle Lite (98.8%), FreeStyle Freedom Lite (97.5%), and Accu-Chek Aviva (97.0%), but not by the Contour (92.4%) and OneTouch UltraEasy (91.1%). The number of values in Zone A of the Clarke Error Grid analysis was highest for the FreeStyle Lite (98.8%) and lowest for the OneTouch Ultra Easy (90.4%). Conclusions: FreeStyle Lite, FreeStyle Freedom Lite, and Accu-Chek Aviva performed very well in this study with devices and strips purchased through regular distribution channels, with the FreeStyle Lite achieving the lowest MARD in this investigation.
Residents report that they received inadequate teaching in palliative care and low levels of comfort and skills when taking care of dying patients. This study describes the effects of a problem-based palliative care course on perceived competence and knowledge in a representative Dutch cohort of residents in internal medicine. Before and after the course, we carried out a questionnaire survey and knowledge test in 91 residents. The results show that many residents felt they had limited competence or were incompetent when taking care of patients in the palliative care phase. This was particularly true with respect to communication concerning euthanasia and physician-assisted suicide or hastened death (86% and 85% respectively reported limited competence or incompetence). Participants reported that they received inadequate training in palliative care and believed that specific education would make them feel more competent. The number of times that residents were engaged in palliative care situations and the years of clinical experience had a positive influence on perceived competence. Participating in the course improved perceived competence and knowledge in palliative care. No correlation was found between perceived competence and knowledge of palliative care.
Re-use of this article is permitted in accordance with the Creative Commons Deed, Attribution 2.5, which does not permit commercial exploitation. AbstractAims According to the 'haemodynamic hypothesis', chronic hyperglycaemia induces an increase in tissue perfusion that predisposes to microangiopathy. We hypothesized that patients with longstanding diabetes mellitus (DM), who have not developed microvascular complications, would have normal tissue perfusion.Methods In six Type 1 diabetic patients (age 43.4 ± 1.1 years; DM duration 25.3 ± 2.6 years.; HbA 1c 8.5 ± 0.7%), who had no evidence of microvascular complications, and six age-and gender-matched healthy volunteers (Control) we measured haemodynamic parameters including forearm blood flow (FBF; plethysmography) and sympathetic tone, an important regulator of blood flow, by the combination of plasma sampling (catecholamine levels), microneurography and power spectral analysis of blood pressure and heart rate.Results FBF was increased in the diabetic compared with control subjects (4.8 ± 1.2 vs. 2.2 ± 0.3 ml/dl per min, P < 0.05) and forearm vascular resistance (FVR) was decreased (25 ± 6 and 43 ± 3 arbitrary units, P < 0.05). Heart rate was higher in diabetic subjects (77 ± 10 vs. 57 ± 2 beats/min, P < 0.05). All parameters of sympathetic tone were similar in diabetic and control subjects. ConclusionsIn patients with Type 1 diabetes, without signs of microvascular complications and with diabetes duration of > 20 years, skeletal muscle blood flow was increased while sympathetic tone was normal. These results suggest that increased blood flow does not inevitably lead to microvascular complications and challenge the hypothesis that it has a causative role in the pathophysiology of complications.Diabet. Med. 24, 208-210 (2007)
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