[Retrospective computation of the ISS in multiple trauma patients: Potential pitfalls and limitations of findings in full body CT scans].

Bogner, V; Brumann, M; Kusmenkov, T; Kanz, K G; Wierer, M; Berger, F; Mutschler, W

doi:10.1007/s00113-014-2620-5

2016

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Document type:: English Abstract; Journal Article; Article
Author(s):: Bogner, V; Brumann, M; Kusmenkov, T; Kanz, K G; Wierer, M; Berger, F; Mutschler, W
Title:: [Retrospective computation of the ISS in multiple trauma patients: Potential pitfalls and limitations of findings in full body CT scans].
Abstract:: The Injury Severity Score (ISS) is a well-established anatomical scoring system for polytraumatized patients. However, any inaccuracy in the Abbreviated Injury Score (AIS) directly increases the ISS impreciseness. Using the full body computed tomography (CT) scan report, ISS computation can be associated with certain pitfalls. This study evaluates interpretation variations depending on radiological reports and indicates requirements to reliably determine the ISS.The ISS of 81 polytraumatized patients was calculated based on the full body CT scan report. If an injury could not be attributed to a precise AIS cipher, the minimal and maximal ISS was computed. Real ISS included all conducted investigations, intraoperative findings, and final medical reports. The differences in ISS min, ISS max, and ISS real were evaluated using the Kruskal-Wallis test (p<0.05) and plotted in a linear regression analysis.Mean ISS min was 24.0 (± 0.7 SEM) points, mean ISS real 38.6 (±1.3 SEM) and mean ISS max was 48.3 (±1.4 SEM) points. All means were significantly different compared to one another (p<0.001). The difference between possible and real ISS showed a distinctive variation. Mean deviation was 9.7 (±0.9 SEM) points downward and 14.5 (±1.1 SEM) points upward. The difference between deviation to ISS min and ISS max was highly significant (p<0.001).Objectification of injury severity in polytraumatized patients using the ISS is an internationally well-established method in clinical and scientific settings. The full body CT scan report must meet distinct criteria and has to be written in acquaintance to the AIS scale if intended to be used for correct ISS computation.
Journal title abbreviation:: Unfallchirurg
Year:: 2016
Journal volume:: 119
Journal issue:: 3
Pages contribution:: 202-8
Fulltext / DOI:: doi:10.1007/s00113-014-2620-5
Pubmed ID:: http://view.ncbi.nlm.nih.gov/pubmed/25604676
Print-ISSN:: 0177-5537
TUM Institution:: Klinik und Poliklinik für Unfallchirurgie
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mediaTUM Gesamtbestand Einrichtungen Schools TUM School of Medicine and Health Departments Clinical Medicine Klinik und Poliklinik für Unfallchirurgie (Prof. Biberthaler)2016