Usage and pitfalls of multimodal neuromonitoring during MR imaging of neurocritical care patients

General Information

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* 1. Which subspecialty do you belong to?

Neurosurgeon

Neuroradiologist

Anesthesiologist / Intensive Care Medicine

Neurologist

Other, specify

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* 2. What is your level of training

Resident

Board certified

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* 3. What is your age

below 30 years

between 30-40 years

between 41-50 years

above 50 years

I don't want to disclose

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* 4. What is your country of practice?

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* 5. What is your working environment?

Academic hospital

General hospital

Private hospital

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* 6. Does your department have its own ICU?

Department runs own ICU

Common/shared ICU

Magnetic Resonance Imaging & Neurocritical care:

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* 7. In which cases do you routinely place multimodal monitoring in your department? Multiple answers possible.

Traumatic brain injury

Subarachnoidal hemorrhage

Ruptured arteriovenous malformation

Ischemic cerebral infarction

Intracerebral Hematoma/Hemorrhage

Spinal cord injury

Others, specify

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* 8. Do you perform MRI in those patients on a regular base?

Yes, in all of them

Sometimes

No, in none of them

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* 9. When do you perform MRI in those patients in general?

Within 72 hours.

Within the first 7 days.

Within day 7 to day 14.

On Demand

Other, specify

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* 10. Which MRI field-strength is used in those patients?

0.5 Tesla

1.5 Tesla

3.0 Tesla

Unknown

Other, specify

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* 11. Do you perform MRI with intracranial probes in place or do they have to be removed prior?

Probes remain in place.

All probes are removed prior to MRI.

Some probes are removed prior to MRI (please specify which ones are removed).

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* 12. Why do you remove the intracranial probes before MRI?

Probes are not tested for MRI safety.

Afraid of thermal damage.

Afraid of potential artefacts.

Afraid of damaging the probes.

Other, specify

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* 13. When you leave the probes in place … (several answers possible)

the diagnostic findings are reduced and therefore impair treatment.

we see a lot of artefacts

they are very often damaged and malfunctioning

no complications can be reported

Other, specify

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* 14. Are you aware of possible brain tissue damage due to intraracranial probes?

Yes

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* 15. Do you believe the current lack of MRI safe and certified intracranial probes has negative influence on patient management?

Yes

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* 16. Indication for removing of probes (multiple choices possible)?

Unreliable values/ Malfunctioning

Weaning of the patient

Planned MRI examination

Infection

Duration of probe placement exceeds manufacturer specifications