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The IMPACT prognosi...
The IMPACT prognosis calculator used in patients with severe traumatic brain injury treated with an ICP-targeted therapy
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- Olivecrona, Magnus (author)
- Umeå universitet,Klinisk neurovetenskap
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- Koskinen, Lars-Owe D. (author)
- Umeå universitet,Klinisk neurovetenskap
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(creator_code:org_t)
- 2012-04-29
- 2012
- English.
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In: Acta Neurochirurgica. - : Springer Science and Business Media LLC. - 0001-6268 .- 0942-0940. ; 154:9, s. 1567-1573
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https://urn.kb.se/re...
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Abstract
Subject headings
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- The prognosis of severe traumatic brain injury (sTBI) is important. The International Mission on Prognosis in Traumatic Brain Injury (IMPACT) study group has developed a prediction calculator for the outcome of patients with sTBI, and this has been made available on the World Wide Web. We have studied the use of the IMPACT calculator on sTBI patients treated with an ICP-targeted therapy based on the Lund concept. The individual clinical data of patients in a prospective sTBI protocol-driven trial of the treatment of sTBI using the Lund concept were entered into the prognosis calculator, and the individual prognosis for each patient was calculated and compared with the actual outcome at 6 months. The use of the IMPACT calculator led to an overestimation of mortality and of an unfavourable outcome. Compared with the IMPACT database, the absolute risk reduction (ARR) for mortality was 13.6 %. There is a statistically significant probability for the prediction of mortality and unfavourable outcome. A ROC curve analysis shows an area under the curve (AUC) in the Core model for mortality of 0.744 and of unfavourable outcome of 0.731, in the Extended model of 0.751 and 0.721 respectively, and in the Lab model of 0.779 and 0.810 respectively. The IMPACT prognosis calculator should be used with caution for the prediction of outcome for an individual patient with sTBI treated with an ICP-targeted therapy based on the Lund concept. We conclude that we have to initiate treatment in all patients with blunt sTBI and an initial ICP > 10 mmHg. It seems that the outcome in sTBI patients treated in this fashion is better than would have been expected from the IMPACT prognosis.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Keyword
- Prognosis
- Severe traumatic brain injury
- ICP-targeted therapy
- IMPACT
Publication and Content Type
- ref (subject category)
- art (subject category)
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