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March 07, 2017; 88 (10) Article

Temporal trends in early case-fatality rates in patients with intracerebral hemorrhage

Yannick Béjot, Michael Grelat, Benoit Delpont, Jérôme Durier, Olivier Rouaud, Guy-Victor Osseby, Marie Hervieu-Bègue, Maurice Giroud, Charlotte Cordonnier
First published February 3, 2017, DOI: https://doi.org/10.1212/WNL.0000000000003681
Yannick Béjot
From the Dijon Stroke Registry, EA4184, Department of Neurology (Y.B., M.G., B.D., J.D., O.R., G.-V.O., M.H.-B., M.G.), and Department of Neurosurgery (M.G.), University Hospital and Medical School of Dijon, University of Burgundy; and Inserm U 1171, Degenerative & Vascular Cognitive Disorders (C.C.), CHU Lille, University of Lille, France.
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Michael Grelat
From the Dijon Stroke Registry, EA4184, Department of Neurology (Y.B., M.G., B.D., J.D., O.R., G.-V.O., M.H.-B., M.G.), and Department of Neurosurgery (M.G.), University Hospital and Medical School of Dijon, University of Burgundy; and Inserm U 1171, Degenerative & Vascular Cognitive Disorders (C.C.), CHU Lille, University of Lille, France.
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Benoit Delpont
From the Dijon Stroke Registry, EA4184, Department of Neurology (Y.B., M.G., B.D., J.D., O.R., G.-V.O., M.H.-B., M.G.), and Department of Neurosurgery (M.G.), University Hospital and Medical School of Dijon, University of Burgundy; and Inserm U 1171, Degenerative & Vascular Cognitive Disorders (C.C.), CHU Lille, University of Lille, France.
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Jérôme Durier
From the Dijon Stroke Registry, EA4184, Department of Neurology (Y.B., M.G., B.D., J.D., O.R., G.-V.O., M.H.-B., M.G.), and Department of Neurosurgery (M.G.), University Hospital and Medical School of Dijon, University of Burgundy; and Inserm U 1171, Degenerative & Vascular Cognitive Disorders (C.C.), CHU Lille, University of Lille, France.
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Olivier Rouaud
From the Dijon Stroke Registry, EA4184, Department of Neurology (Y.B., M.G., B.D., J.D., O.R., G.-V.O., M.H.-B., M.G.), and Department of Neurosurgery (M.G.), University Hospital and Medical School of Dijon, University of Burgundy; and Inserm U 1171, Degenerative & Vascular Cognitive Disorders (C.C.), CHU Lille, University of Lille, France.
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Guy-Victor Osseby
From the Dijon Stroke Registry, EA4184, Department of Neurology (Y.B., M.G., B.D., J.D., O.R., G.-V.O., M.H.-B., M.G.), and Department of Neurosurgery (M.G.), University Hospital and Medical School of Dijon, University of Burgundy; and Inserm U 1171, Degenerative & Vascular Cognitive Disorders (C.C.), CHU Lille, University of Lille, France.
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Marie Hervieu-Bègue
From the Dijon Stroke Registry, EA4184, Department of Neurology (Y.B., M.G., B.D., J.D., O.R., G.-V.O., M.H.-B., M.G.), and Department of Neurosurgery (M.G.), University Hospital and Medical School of Dijon, University of Burgundy; and Inserm U 1171, Degenerative & Vascular Cognitive Disorders (C.C.), CHU Lille, University of Lille, France.
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Maurice Giroud
From the Dijon Stroke Registry, EA4184, Department of Neurology (Y.B., M.G., B.D., J.D., O.R., G.-V.O., M.H.-B., M.G.), and Department of Neurosurgery (M.G.), University Hospital and Medical School of Dijon, University of Burgundy; and Inserm U 1171, Degenerative & Vascular Cognitive Disorders (C.C.), CHU Lille, University of Lille, France.
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Charlotte Cordonnier
From the Dijon Stroke Registry, EA4184, Department of Neurology (Y.B., M.G., B.D., J.D., O.R., G.-V.O., M.H.-B., M.G.), and Department of Neurosurgery (M.G.), University Hospital and Medical School of Dijon, University of Burgundy; and Inserm U 1171, Degenerative & Vascular Cognitive Disorders (C.C.), CHU Lille, University of Lille, France.
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Citation
Temporal trends in early case-fatality rates in patients with intracerebral hemorrhage
Yannick Béjot, Michael Grelat, Benoit Delpont, Jérôme Durier, Olivier Rouaud, Guy-Victor Osseby, Marie Hervieu-Bègue, Maurice Giroud, Charlotte Cordonnier
Neurology Mar 2017, 88 (10) 985-990; DOI: 10.1212/WNL.0000000000003681

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Abstract

Objective: To assess whether temporal trends in very early (within 48 hours) case-fatality rates may differ from those occurring between 48 hours and 30 days in patients with spontaneous intracerebral hemorrhage (ICH).

Methods: All cases of ICH that occurred in Dijon, France (151,000 inhabitants), were prospectively collected between 1985 and 2011, using a population-based registry. Time trends in 30-day case fatality were analyzed in 3 periods: 1985–1993, 1994–2002, and 2003–2011. Cox regression models were used to evaluate associations between time periods and case fatality within 48 hours and between 48 hours and 30 days, after adjustments for demographics, risk factors, severity, and ICH location.

Results: A total of 531 ICH cases were recorded (mean age 72.9 ± 15.8, 52.7% women). Thirty-day case fatality gradually decreased with time from 40.9% in 1985–1993 to 33.5% 1994–2002 and to 29.6% in 2003–2011 (adjusted hazard ratio [HR] 0.71, 95% confidence interval [CI] 0.47–1.07, p = 0.106, for 1994–2002, and adjusted HR 0.49, 95% CI 0.32–0.73, p < 0.001, for 2003–2011). Over the whole study period, 43.6% of 1-month deaths occurred within the first 48 hours following ICH onset. There was no temporal change in case fatality occurring within the first 48 hours but a decrease in deaths occurring between 48 hours and 30 days was observed with time (HR 0.53, 95% CI 0.31–0.90, p = 0.02, for 1994–2002, and HR 0.32, 95% CI 0.32–0.55, p < 0.01, for 2003–2011, compared with 1985–1993).

Conclusion: Although 30-day case fatality significantly decreased over the last 27 years, additional improvements in acute management of ICH are needed since very early case-fatality rates (within 48 hours) did not improve.

GLOSSARY

CI=
confidence interval;
HR=
hazard ratio;
ICH=
intracerebral hemorrhage;
NIHSS=
NIH Stroke Scale

Footnotes

  • Go to Neurology.org for full disclosures. Funding information and disclosures deemed relevant by the authors, if any, are provided at the end of the article.

  • Supplemental data at Neurology.org

  • Editorial, page 926

  • Received May 2, 2016.
  • Accepted in final form October 25, 2016.
  • © 2017 American Academy of Neurology
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