Clinical, electrophysiological and ultrastructural morphometric observations were made in 5 diabetic non-neuropathic patients, 5 diabetic patients with mild neuropathy and 11 diabetic patients with severe neuropathy. Capillary abnormalities were assessed in simultaneous nerve, muscle and skin biopsies and compared with results from 6 age-matched, non-diabetic control subjects. Nerve capillaries demonstrated markedly greater pathology than skin and muscle capillaries. Endoneurial capillary density was significantly reduced in severely neuropathic diabetic patients (p less than 0.01) when compared with control subjects. Capillary basement membrane (p less than 0.002), endothelial cell (p less than 0.003) and total diffusion barrier (endothelial cell, pericyte, basement membrane) (p less than 0.001) thickness were significantly increased, and oxygen diffusing capacity was significantly reduced (p less than 0.001) in the nerves of patients with severe diabetic neuropathy when compared to control subjects. Endothelial cell profile number and luminal perimeter were significantly increased in asymptomatic (p less than 0.01), (p less than 0.05) and severely neuropathic (p less than 0.001), (p less than 0.05) diabetic patients respectively. However, endothelial cell outer perimeter, a measure of capillary size, showed no significant increase in diabetic patients when compared with control subjects. An association was observed between neurophysiological and neuropathological measures of neuropathic severity. There was no significant correlation between the duration of diabetes and HbA1 levels with capillary pathology or with neuropathic severity. Very few abnormalities of muscle and skin correlated with neuropathic severity. However, all measures of nerve capillary pathology correlated significantly with neurophysiological and neuropathological measures of neuropathic severity.
This is a repository copy of Effectiveness of a national quality improvement programme to improve survival after emergency abdominal surgery (EPOCH) : a stepped-wedge cluster-randomised trial. Effectiveness of a national quality improvement programme to improve survival after emergency abdominal surgery (EPOCH) : a stepped-wedge cluster-randomised trial. The Lancet. ISSN 0140-6736 https://doi.org/10.1016/S0140-6736(18)32521-2 eprints@whiterose.ac.uk https://eprints.whiterose.ac.uk/
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Implications of all the available evidenceDespite the success of some smaller projects, there was no survival benefit from a national quality improvement programme to implement a care pathway for patients undergoing emergency abdominal surgery. To succeed, large national quality improvement programmes need to allow for differences between hospitals and ensure teams have both the time and resources needed to improve patient care.
Limited finger joint mobility, Dupuytren's contracture, and the complications of diabetes were assessed in 233 Type 2 diabetic patients. Limited joint mobility was present in 34% and Dupytren's contracture in 26%. The prevalence of limited joint mobility and Dupuytren's contracture increased with duration of diabetes and with age. Logistic regression analysis showed that, after allowing for age and duration of diabetes, limited joint mobility was independently associated with Dupuytren's contracture (odds ratio 5.7, 95% CI 2.0-16.4) and retinopathy (odds ratio 3.1, CI 1.5-6.4). Dupuytren's contracture was independently associated with vision-threatening retinopathy (odds ratio 2.6, CI 1.1-6.4), limited joint mobility (odds ratio 2.5, CI 1.3-4.8), and foot ulceration (odds ratio 4.9, CI 1.4-16.4). Both Dupuytren's contracture and limited joint mobility were associated with peripheral neuropathy but neither hand abnormality was associated with neuropathy independently of other complications of diabetes. The association of connective tissue abnormalities in the hand with the complications of diabetes suggests that similar factors may be contributing to their pathogenesis.
Glycemic control improved with both methods of insulin treated patients achieved satisfactory glycemic control (HbA1 less than 50 mmol hydroxymethylfurfural/mol Hb), whereas only 3 of 10 CIT-treated patients achieved this CSII. Patients' satisfaction with treatment improved during insulin therapy.
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