Mechanical Thrombectomy Practices:
A European Survey

The aim of this survey is to obtain an overview of mechanical thrombectomy practices in Europe. It is supported by the ESMINT society and EYMINT research collaborative group.
 
This survey is a personal questionnaire for every practitioner performing thrombectomy in autonomy, to collect individual responses about patient selection and endovascular procedures. Every interventional neuroradiologist (INR) is invited to respond.

All questions are mandatory. The questionnaire will take approx. 15 minutes.
 
Data will be treated anonymously for the research project, however we need some personal information to avoid duplication and to inform you of future ESMINT and EYMINT research projects.

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* 1. Personal Information

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* 2. How old are you?

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* 4. What is the name of the hospital where you work? (only one response accepted)

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* 5. What clinical and/or imaging data lead to rejection of MT among the following proposals?

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* 6. Regarding anterior occlusion, in which time window do you perform MT? (only one response accepted)

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* 7. Regarding posterior occlusion, in which time window do you perform MT? (only one response accepted)

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* 8. In the case of significant clinical improvement or low NIHSS (NIHSS < 3), do you perform MT?

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* 9. Do you perform MT for distal occlusions (M3, M4) as part of your routine practice?

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* 10. What is your routine puncture technique? (only one response accepted)

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* 11. When faced with a difficult femoral/humeral/radial approach, and/or difficult carotid catheterization, in what percentage of cases do you perform direct carotid puncture? (only one response accepted)

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* 12. After a direct carotid puncture, do you use a closure device? (only one response accepted)

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* 13. What is your first-line arterial access? (only one response accepted)

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* 14. In what percentage of cases do you perform systematic radial puncture as first-line arterial access? (only one response accepted)

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* 15. Which of the following aspiration catheters do you routinely use?

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* 16. Which of the following stent retrievers do you routinely use?

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* 17. Do you use a balloon guide catheter during MT? (only one response accepted)

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* 18. Do you use an aspiration system during clot retrieval? (only one response accepted)

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* 19. Anterior stroke:  Which technique do you generally use in the first instance during MT? (Only one response accepted per line)

  Stent-retriever Distal catheter aspiration Combined thrombectomy procedure
(stent-retriever with aspiration catheter)
ICA
M1
M2

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* 20. Posterior stroke:  Which technique do you generally use in the first instance during MT? (Only one response accepted per line)

  Stent-retriever Distal catheter aspiration Combined thrombectomy procedure
(stent-retriever with aspiration catheter)
BA
V3/V4

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* 21. When do you decide to change the technique? (only one response accepted)

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* 22. Do you use a second stent-retriever when MT with a first one failed? (only one response accepted)

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* 23. How many maximum numbers of passages do you make with a device to restore the flow? (only one response accepted)

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* 24. What type of exploration do you carry out at the start of the MT? (only one response accepted)

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* 25. What is your strategy for dealing with a tandem occlusion?

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* 26. Do you perform intra-arterial fibrinolysis following MT for some patients? (only one response accepted)

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