Database and Search Strategy

PubMed Key concepts Concept 1: Motor evoked potentials Keywords: “motor evoked potential*”[tw], MEP[tw] MeSH terms: “Evoked Potentials, Motor”[Mesh] Query 1: ((“motor evoked potential*”[tw]) OR (MEP[tw])) OR (“Evoked Potentials, Motor”[Mesh]) Concept 2: warning criteria Keywords: “warning criteri*”[tw], warning [tw], alarm [tw], alert [tw], “alarm criteri*”[tw], mapping[tw], monitoring[tw] MeSH terms: “Intraoperative Neurophysiological Monitoring”[Mesh], “Brain Mapping”[Mesh] Query 2: ((((((((“warning criteri*”[tw]) OR (warning [tw])) OR (alarm [tw])) OR (alert [tw])) OR (“alarm criteri*”[tw])) OR (mapping[tw])) OR (monitoring[tw])) OR (“Intraoperative Neurophysiological Monitoring”[Mesh])) OR (“Brain Mapping”[Mesh]) Concept 3: motor deficit Keywords: “motor deficit”[tw], paresis[tw], hemiparesis[tw], paralysis[tw] MeSH terms: “Predictive Value of Tests”[MeSH], “Paresis/prevention and control”[Mesh], “Paralysis/prevention and control”[Mesh], “Neurologic Manifestations/injuries”[Mesh], “Neurologic Manifestations/prevention and control”[Mesh], “Neurologic Manifestations/surgery”[Mesh] Query 3: ((((“Predictive Value of Tests”[Mesh]) AND “Paresis/prevention and control”[Mesh]) AND “Paralysis/prevention and control”[Mesh]) AND (“Neurologic Manifestations/injuries”[Mesh] OR “Neurologic Manifestations/prevention and control”[Mesh] OR “Neurologic Manifestations/surgery”[Mesh])) OR (“motor deficit”[tw])) OR (paresis[tw])) OR (hemiparesis[tw])) OR (paralysis[tw]) Concept 4: supratentorial brain surgery Keywords: supratentorial [tw], brain surgery[tw], “supratentorial surgery”[tw], tumor*[tw], aneurysm*[tw], epilepsy[tw] MeSH terms: “Neurosurgical Procedures”[Mesh], “Brain Injuries/diagnosis”[Mesh], “Intracranial Aneurysm/surgery”[Mesh], “Brain Neoplasms/surgery”[Mesh], “Epilepsy/surgery”[Mesh], “Central Nervous System Vascular Malformations/surgery”[Mesh] Query 3: ((((((((((((supratentorial[tw]) OR (brain surgery[tw])) OR (“supratentorial surgery”[tw])) OR (tumor*[tw])) OR (aneurysm*[tw])) OR (epilepsy[tw])) OR (“Neurosurgical Procedures”[Mesh])) OR (“Brain Injuries/diagnosis”[Mesh])) OR (“Intracranial Aneurysm/surgery”[Mesh])) OR (“Brain Neoplasms/surgery”[Mesh]))) OR (“Epilepsy/surgery”[Mesh])) OR (“Central Nervous System Vascular Malformations/surgery”[Mesh]) Combined query (((((((((((“warning criteri*”[tw]) OR (warning [tw])) OR (alarm [tw])) OR (alert [tw])) OR (“alarm criteri*”[tw])) OR (mapping[tw])) OR (monitoring[tw])) OR (“Intraoperative Neurophysiological Monitoring”[Mesh])) OR (“Brain Mapping”[Mesh])) AND (((((“Predictive Value of Tests”[Mesh]) AND “Paresis/prevention and control”[Mesh]) AND “Paralysis/prevention and control”[Mesh]) AND (“Neurologic Manifestations/injuries”[Mesh] OR “Neurologic Manifestations/prevention and control”[Mesh] OR “Neurologic Manifestations/surgery”[Mesh])) OR (“motor deficit”[tw])) OR (paresis[tw])) OR (hemiparesis[tw])) OR (paralysis[tw])) AND (((((((((((((supratentorial[tw]) OR (brain surgery[tw])) OR (“supratentorial surgery”[tw])) OR (tumor*[tw])) OR (aneurysm*[tw])) OR (epilepsy[tw])) OR (“Neurosurgical Procedures”[Mesh])) OR (“Brain Injuries/diagnosis”[Mesh])) OR (“Intracranial Aneurysm/surgery”[Mesh])) OR (“Brain Neoplasms/surgery”[Mesh]))) OR (“Epilepsy/surgery”[Mesh])) OR (“Central Nervous System Vascular Malformations/surgery”[Mesh]))) AND (((“motor evoked potential*”[tw]) OR (MEP[tw])) OR (“Evoked Potentials, Motor”[Mesh]))

Embase, Scopus, CINAHL, Cochrane Library (“warning criteri*” OR warning OR alarm OR alert OR “alarm criteri*” OR mapping OR monitoring OR “Intraoperative Neurophysiological Monitoring” OR “Brain Mapping”) AND (“motor deficit” OR paresis OR hemiparesis OR paralysis) AND (supratentorial OR brain surgery OR “supratentorial surgery” OR tumor* OR aneurysm* OR epilepsy OR arteriovenous malformation) AND (“motor evoked potential*” OR MEP)

Grey literature databases (OpenGrey, NTIS, British Library Direct Plus, York’s CRD, Mednar) (“warning criteri*” OR warning OR alarm OR alert OR “alarm criteri*” OR mapping OR monitoring OR “Intraoperative Neurophysiological Monitoring” OR “Brain Mapping”) AND (“motor deficit” OR paresis OR hemiparesis OR paralysis) AND (supratentorial OR brain surgery OR “supratentorial surgery” OR tumor* OR aneurysm* OR epilepsy OR arteriovenous malformation) AND (“motor evoked potential*” OR MEP)