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67. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC)
Joint Meeting mit der Koreanischen Gesellschaft für Neurochirurgie (KNS)

Deutsche Gesellschaft für Neurochirurgie (DGNC) e. V.

12. - 15. Juni 2016, Frankfurt am Main

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Update: Trends in the treatment of intracranial aneurysms in Austria 1999–2013 – A population-based study using administrative data

Meeting Abstract

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  • Martin Ortler - Universitätsklinik für Neurochirurgie, Medizinische Universität Innsbruck, Innsbruck, Austria
  • Raffaella Matteucci-Gothe - Abteilung für Public Health und Health Technology Assessment, UMIT, Hall in T, Austria
  • Gerhard Fülöp - ÖBIG, Wien, Austria
  • Claudius Thomé - Universitätsklinik für Neurochirurgie, Medizinische Universität Innsbruck, Innsbruck, Austria

Deutsche Gesellschaft für Neurochirurgie. 67. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC), 1. Joint Meeting mit der Koreanischen Gesellschaft für Neurochirurgie (KNS). Frankfurt am Main, 12.-15.06.2016. Düsseldorf: German Medical Science GMS Publishing House; 2016. DocMO.02.01

doi: 10.3205/16dgnc001, urn:nbn:de:0183-16dgnc0015

Veröffentlicht: 8. Juni 2016

© 2016 Ortler et al.
Dieser Artikel ist ein Open-Access-Artikel und steht unter den Lizenzbedingungen der Creative Commons Attribution 4.0 License (Namensnennung). Lizenz-Angaben siehe http://creativecommons.org/licenses/by/4.0/.

Gliederung

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Objective: The structure of the public health system in Austria allows for an analysis of trends in population-based data regarding incidence, treatment modality and outcome for intracranial aneurysms (IAs) with minimal inclusion bias.

Method: All IAs treated between 1999 and 2013 were identified using the public health services database by cross-searching for ICD-10 Codes I60.- I61.- and I67.1 and relevant diagnosis-related groups among all patients admitted to Austrian public hospitals. Standardized incidence, annual percent change (with 95% CI) and temporal trend analysis (Joinpoint Regression Program, Version 4.2.0.0) in treatment modality (clip vs. coil) were calculated.

Results: 700 IAs are treated per year in Austria. An increase 1999-2009 was due to a statistically significant increase of unruptured IAs (UIAs) (+11.3% p.a., 95%CI +8.5 to +14.1%), a decrease 2009-2013 due to a significant decrease of ruptured aneurysms (RAs) 2009-2013 (-6.0 % p.a., 95%CI -11.3 to -0.4%).The absolute number of RAs p.a. was 338 (minimum, 2012/2013) to 447 (maximum, 2009). For RAs, we observed a statistically significant decrease of the average annual percent change 1999 - 2013 (- 1.5% p a) and a statistically significant decreasing trend 2009 -2013. The age-adjusted incidence rate for RAs was 4.3/100000/a (mean). Endovascular treatment significantly increased 1999-2008 (+11.9% p.a.) and decreased (n.s.) 2008 - 2013. Microsurgical treatment increased statistically significant 1999 -2001 (+30.9%) and 2001 - 2013 (+ 7.7% p.a.).

Conclusions: Population-based data indicate that the number of ruptured intracranial aneurysms decreases after 2009. Microsurgical treatment of intracranial aneurysms remains a widely used treatment modality.