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Patient reported experience measures in navigated transcranial magnetic stimulation - preliminary results
EANS Academy. Lavrador J. Sep 26, 2019; 276007; EP03097
Mr. Jose Lavrador
Mr. Jose Lavrador

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Abstract
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Objectives: Navigated Transcranial Magnetic Stimulation (nTMS) for brain mapping is becoming increasingly frequent for pre-surgical planning. The use of nTMS in surgical planning remains relatively new and as such, little is known of how well it is tolerated by patients as a diagnostic tool and what additional information it gives to patients in their overall healthcare experience. To date, no information about patient experience with nTMS is currently available, which can be associated with anxiety or discomfort. We aim to document the first Patient Reported Experience Measure (PREMs) for nTMS in Neurosurgery, showing collaboration and understanding of nTMS is crucial for the success of the examination.
Design: Single-centre cohort study with an enrollment period between February and July 2018.
Subjects: All patients undergoing nTMS for Oncology and Neurovascular surgery.
Methods: An anonymised TMS Patient Reported Experience Measure Questionnaire (PREM-Q) was developed and distributed post nTMS by King's TMS Laboratory. It composed of 19 items, rated from 1 (very negative) to 5 (very positive) and covering a range of procedural and examiner related questions. An adjusted model to analyse the responses was developed with further subgroup analysis for lobar location, hemisphere and duration.
Results: 25 patients completed PREM-Q. The mean exam duration was 111.3±8.25 minutes. 88% rated an overall positive nTMS experience. When the RMTs are included in the adjusted model in the subgroup analysis, the overall assessment of the nTMS experience is negatively influenced by increasing RMT in both frontal and left side lesions groups (p=.007 and p=.003).
Conclusions: Patients reported an overall positive experience with nTMS. Finding suggest that increasing age, left sided lesion, increasing duration of the exam, and increasing RMT may negatively influence patient experience
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