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Increased Mortality Risk in Type 1 Diabetic Patients With Severe Hypoglycemia After Cardiovascular Events

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This study examines the link between prior severe hypoglycemic events and all-cause mortality in type 1 diabetes patients following major cardiovascular incidents in Sweden. Data from the Swedish National Diabetes Register were analyzed, revealing that 403 of 1,839 patients experienced severe hypoglycemia before their cardiovascular events. The findings indicated that patients with prior hypoglycemic episodes had a significantly higher risk of mortality – a 5-year cumulative mortality rate of 52.4% for myocardial infarction and 39.8% for stroke, underscoring the need for careful monitoring.

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Increased Mortality Risk in Type 1 Diabetic Patients With Severe Hypoglycemia After Cardiovascular Events

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  1. Featured Article: Severe Hypoglycemia and Mortality After Cardiovascular Events for Type 1 Diabetic Patients in Sweden Tom W.C. Lung, Dennis Petrie, William H. Herman, Andrew J. Palmer, Ann-Marie Svensson, Bjorn Eliasson, and Philip M. Clarke Diabetes Care Volume 37: 2974-2981 November, 2014

  2. STUDY OBJECTIVE • To examine whether previous severe hypoglycemic events were associated with the risk of all-cause mortality after major cardiovascular events in type 1 patients Lung T. W.C. et al. Diabetes Care 2014;37:2974-2981

  3. STUDY DESIGN AND METHODS • Data were from the Swedish National Diabetes Register • Patients included those with type 1 diabetes who visited a clinic during 2002–2010 and experienced a major cardiovascular complication after the visit • Two-part model was estimated for all-cause mortality after a cardiovascular event: 1. Logistic regression for death within the first month 2. Cox proportional hazards model conditional on 1-month survival • 5-year cumulative mortality risk was estimated from the models for patients with and without prior diabetes complications Lung T. W.C. et al. Diabetes Care 2014;37:2974-2981

  4. RESULTS • 1,839 patients experienced major cardiovascular events • 403 had previously experienced severe hypoglycemic events • 703 died within our study period • A prior hypoglycemic event was associated with a significant increase in mortality after a cardiovascular event • Patients with prior hypoglycemia had an estimated 5-year cumulative mortality risk of 52.4 and 39.8% for myocardial infarction and stroke, respectively Lung T. W.C. et al. Diabetes Care 2014;37:2974-2981

  5. Lung T. W.C. et al. Diabetes Care 2014;37:2974-2981

  6. Lung T. W.C. et al. Diabetes Care 2014;37:2974-2981

  7. Lung T. W.C. et al. Diabetes Care 2014;37:2974-2981

  8. CONCLUSIONS • Patients with type 1 diabetes in Sweden with prior severe hypoglycemic events have increased risk of mortality after a cardiovascular event Lung T. W.C. et al. Diabetes Care 2014;37:2974-2981

  9. Lung T. W.C. et al. Diabetes Care 2014;37:2974-2981

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