11 research outputs found

    New onset diabetes complicated by haemolysis and rhabdomyolysis: a case report and review of the literature

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    <p>Abstract</p> <p>Introduction</p> <p>Previously undiagnosed glucose-6-phosphate dehydrogenase (G6PD) deficiency can be unmasked by a diabetic crisis and both can be associated with rhabdomyolysis. The relationship between diabetes and G6PD deficiency is discussed and the possible triggers for haemolysis as outlined in this case report. The incidence of G6PD deficiency is 10% in African-American males and up to 35% in parts of Africa so an increased awareness of G6PD deficiency is important when treating diabetes in these populations.</p> <p>Case presentation</p> <p>A 54-year-old Kenyan man presented with a 3-day history of reduced appetite, weakness and reduced level of consciousness as a result of a hyperglycaemic diabetic crisis with both hyperosmolarity and ketoacidosis. The patient then developed haemolysis and a raised creatine kinase level. A diagnosis of G6PD deficiency and rhabdomyolysis was made.</p> <p>Conclusion</p> <p>This case highlights the importance of simple laboratory investigations in the early identification of the rarer complications of diabetic crisis such as haemolysis secondary to G6PD deficiency and rhabdomyolysis.</p

    Prevention of infections and fever to improve outcome in older patients with acute stroke (PRECIOUS): a randomised, open, phase III, multifactorial, clinical trial with blinded outcome assessment

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    BackgroundInfections and fever after stroke are associated with poor functional outcome or death. We assessed whether prophylactic treatment with anti-emetic, antibiotic, or antipyretic medication would improve functional outcome in older patients with acute stroke. MethodsWe conducted an international, 2∗2∗2-factorial, randomised, controlled, open-label trial with blinded outcome assessment in patients aged 66 years or older with acute ischaemic stroke or intracerebral haemorrhage and a score on the National Institutes of Health Stroke Scale ≥ 6. Patients were randomly allocated (1:1) to metoclopramide (oral, rectal, or intravenous; 10 mg thrice daily) vs. no metoclopramide, ceftriaxone (intravenous; 2000 mg once daily) vs. no ceftriaxone, and paracetamol (oral, rectal, or intravenous; 1000 mg four times daily) vs. no paracetamol, started within 24 h after symptom onset and continued for four days. All participants received standard of care. The target sample size was 3800 patients. The primary outcome was the score on the modified Rankin Scale (mRS) at 90 days analysed with ordinal logistic regression and reported as an adjusted common odds ratio (an acOR 1 harm). This trial is registered (ISRCTN82217627). FindingsFrom April 2016 through June 2022, 1493 patients from 67 European sites were randomised to metoclopramide (n = 704) or no metoclopramide (n = 709), ceftriaxone (n = 594) or no ceftriaxone (n = 482), and paracetamol (n = 706) or no paracetamol (n = 739), of whom 1471 were included in the intention-to-treat analysis. Prophylactic use of study medication did not significantly alter the primary outcome at 90 days: metoclopramide vs. no metoclopramide (adjusted common odds ratio [acOR], 1.01; 95% CI 0.81–1.25), ceftriaxone vs. no ceftriaxone (acOR 0.99; 95% CI 0.77–1.27), paracetamol vs. no paracetamol (acOR 1.19; 95% CI 0.96–1.47). The study drugs were safe and not associated with an increased incidence of serious adverse events. InterpretationWe observed no sign of benefit of prophylactic use of metoclopramide, ceftriaxone, or paracetamol during four days in older patients with a moderately severe to severe acute stroke. FundingThis project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No: 634809

    The role of megakaryocytes and platelets in vascular risk factors and vascular disease and the effects of treatment

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    Thrombin Generation in Acute Ischaemic Stroke

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    Introduction. Stroke remains a global leading cause of death and disability. Traditional description of plasma biology in the aftermath of acute ischaemic stroke favours development of hypercoagulability, resulting from complex interplay between plasma and endothelial factors. However, no single assay measures the overall global coagulation process. We postulate that thrombin generation would assist in identifying coagulation abnormalities after acute stroke. Aim. To investigate the coagulation abnormalities after acute ischaemic stroke using thrombin generation. Methods. We evaluated thrombin generation, measured with calibrated automated thrombography in stroke of different aetiological types (n=170) within 48 hours of symptoms onset (baseline) and in the second week (time 2) and in normal healthy volunteers (n=71). Results. Two-point thrombin generation assays showed prolonged lag time and time to peak at baseline (3.3 (2.9, 4.0) versus 3.6 (3.2, 4.7); p=0.005) and (3.3 (2.9, 4.0) versus 3.6 (3.2, 4.7); p=0.002), respectively, and at time 2 (3.5 (2.9, 4.2) versus 4.0 (3.1, 4.9); p=0.004) and (5.9 (5.3, 6.6) versus 6.8 (5.8, 7.7) p=0.05), respectively, in cardioembolic stroke (n=39), when compared to noncardioembolic stroke (n=117). The result was reproduced in multiple comparisons between acute ischaemic stroke subgroups and normal healthy volunteers. Endogenous thrombin potential and peak thrombin did not indicate hypercoagulability after acute ischaemic stroke, and thrombolytic therapy did not affect thrombin generation assays. Conclusion. Our findings suggest that thrombin generation in platelet poor plasma is not useful in defining hypercoagulability in acute ischaemic stroke. This is similar to observed trend in coronary artery disease and contrary to other hypercoagulable states

    Effects of folic acid supplementation on psychomotor performance and hemorheology in healthy elderly subjects

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    Cognitive impairment is associated with increased blood concentrations of homocysteine and high blood viscosity. Previous studies have shown that vitamin B supplementation reduces homocysteine and enhances cognitive function in patients with mild dementia and low serum folic acid. However, whether folic acid enhances cognitive function in elderly subjects without dementia and normal serum folic acid is unknown. Twenty-four healthy elderly subjects (age 73.0+/-5.6 years, mean+/-S.D.) with normal serum folic acid (6.3+/-2.4 microg/l) and Mini Mental State Examination (MMSE) >27/30 were randomized to 4-week treatment with folic acid 5mg/day or placebo in a randomized, placebo-controlled, parallel-group study. Continuous Attention Test (CAT), Four-Choice Reaction Time (FCRT), Digit-Symbol Substitution (DSS), Scanning Memory Sets (SMS), and blood viscosity for different shear rates were measured before and after treatment. Folic acid supplementation induced a significant increase in serum folic acid levels (+13.8 versus +1.6 microg/l, p<0.001) and fall in homocysteine levels (-1.91 versus -0.41 micromol/l, p=0.05) compared to placebo. However, there was no significant change in CAT, FCRT, DSS, SMS, and blood viscosity between the two groups. Short-term folic acid supplementation does not enhance psychomotor performance or reduce blood viscosity in healthy elderly subjects with normal serum folic acid levels and preserved cognitive function
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