Publisher DOI: 10.1136/neurintsurg-2019-015073
Title: Evaluation of a modular in vitro neurovascular procedure simulation for intracranial aneurysm embolization
Language: English
Authors: Nawka, Marie Teresa 
Spallek, Johanna 
Kuhl, Juliane 
Krause, Dieter 
Buhk, Jan-Hendrik 
Fiehler, Jens 
Frölich, Andreas M. J. 
Keywords: aneurysm;angiography;catheter;intervention;technique
Issue Date: 1-Feb-2020
Source: Journal of NeuroInterventional Surgery 2 (12): 214-219 (2020-02-01)
Journal or Series Name: Journal of neuroInterventional surgery 
Abstract (english): Background Rapid development in endovascular aneurysm therapy continuously drives demand for suitable neurointerventional training opportunities. Objective To investigate the value of an integrated modular neurovascular training environment for aneurysm embolization using additively manufactured vascular models. Methods A large portfolio of 30 patient-specific aneurysm models derived from different treatment settings (eg, coiling, flow diversion, flow disruption) was fabricated using additive manufacturing. Models were integrated into a customizable neurointerventional simulator with interchangeable intracranial and cervical vessel segments and physiological circuit conditions ( € HANNES'; Hamburg ANatomic Neurointerventional Endovascular Simulator). Multiple training courses were performed and participant feedback was obtained using a questionnaire. Results Training for aneurysm embolization could be reliably performed using HANNES. Case-specific clinical difficulties, such as difficult aneurysm access or coil dislocation, could be reproduced. During a training session, models could be easily exchanged owing to standardized connectors in order to switch to a different treatment situation or to change from € treated' back to € untreated' condition. Among 23 participants evaluating hands-on courses using a five-point scale from 1 (strongly agree) to 5 (strongly disagree), HANNES was mostly rated as € highly suitable for practicing aneurysm coil embolization' (1.78±0.79). Conclusion HANNES offers a wide variability and flexibility for case-specific hands-on training of intracranial aneurysm treatment, providing equal training conditions for each situation. The high degree of standardization offered may be valuable for analysis of device behavior or assessment of physician skills. Moreover, it has the ability to reduce the need for animal experiments.
URI: http://hdl.handle.net/11420/4761
ISSN: 1759-8478
Institute: Produktentwicklung und Konstruktionstechnik M-17 
Type: (wissenschaftlicher) Artikel
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