author_facet ReFaey, Karim
Chaichana, Kaisorn L.
Feyissa, Anteneh M.
Vivas-Buitrago, Tito
Brinkmann, Benjamin H.
Middlebrooks, Erik H.
McKay, Jake H.
Lankford, David J.
Tripathi, Shashwat
Bojaxhi, Elird
Roth, Grayson E.
Tatum, William O.
Quiñones-Hinojosa, Alfredo
ReFaey, Karim
Chaichana, Kaisorn L.
Feyissa, Anteneh M.
Vivas-Buitrago, Tito
Brinkmann, Benjamin H.
Middlebrooks, Erik H.
McKay, Jake H.
Lankford, David J.
Tripathi, Shashwat
Bojaxhi, Elird
Roth, Grayson E.
Tatum, William O.
Quiñones-Hinojosa, Alfredo
author ReFaey, Karim
Chaichana, Kaisorn L.
Feyissa, Anteneh M.
Vivas-Buitrago, Tito
Brinkmann, Benjamin H.
Middlebrooks, Erik H.
McKay, Jake H.
Lankford, David J.
Tripathi, Shashwat
Bojaxhi, Elird
Roth, Grayson E.
Tatum, William O.
Quiñones-Hinojosa, Alfredo
spellingShingle ReFaey, Karim
Chaichana, Kaisorn L.
Feyissa, Anteneh M.
Vivas-Buitrago, Tito
Brinkmann, Benjamin H.
Middlebrooks, Erik H.
McKay, Jake H.
Lankford, David J.
Tripathi, Shashwat
Bojaxhi, Elird
Roth, Grayson E.
Tatum, William O.
Quiñones-Hinojosa, Alfredo
Journal of Neurosurgery
A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
General Medicine
author_sort refaey, karim
spelling ReFaey, Karim Chaichana, Kaisorn L. Feyissa, Anteneh M. Vivas-Buitrago, Tito Brinkmann, Benjamin H. Middlebrooks, Erik H. McKay, Jake H. Lankford, David J. Tripathi, Shashwat Bojaxhi, Elird Roth, Grayson E. Tatum, William O. Quiñones-Hinojosa, Alfredo 0022-3085 1933-0693 Journal of Neurosurgery Publishing Group (JNSPG) General Medicine http://dx.doi.org/10.3171/2019.4.jns19261 <jats:sec><jats:title>OBJECTIVE</jats:title><jats:p>Epilepsy is common among patients with supratentorial brain tumors; approximately 40%–70% of patients with glioma develop brain tumor–related epilepsy (BTRE). Intraoperative localization of the epileptogenic zone during surgical tumor resection (real-time data) may improve intervention techniques in patients with lesional epilepsy, including BTRE. Accurate localization of the epileptogenic signals requires electrodes with high-density spatial organization that must be placed on the cortical surface during surgery. The authors investigated a 360° high-density ring-shaped cortical electrode assembly device, called the “circular grid,” that allows for simultaneous tumor resection and real-time electrophysiology data recording from the brain surface.</jats:p></jats:sec><jats:sec><jats:title>METHODS</jats:title><jats:p>The authors collected data from 99 patients who underwent awake craniotomy from January 2008 to December 2018 (29 patients with the circular grid and 70 patients with strip electrodes), of whom 50 patients were matched-pair analyzed (25 patients with the circular grid and 25 patients with strip electrodes). Multiple variables were then retrospectively assessed to determine if utilization of this device provides more accurate real-time data and improves patient outcomes.</jats:p></jats:sec><jats:sec><jats:title>RESULTS</jats:title><jats:p>Matched-pair analysis showed higher extent of resection (p = 0.03) and a shorter transient motor recovery period during the hospitalization course (by approximately 6.6 days, p ≤ 0.05) in the circular grid patients. Postoperative versus preoperative Karnofsky Performance Scale (KPS) score difference/drop was greater for the strip electrode patients (p = 0.007). No significant difference in postoperative seizures between the 2 groups was present (p = 0.80).</jats:p></jats:sec><jats:sec><jats:title>CONCLUSIONS</jats:title><jats:p>The circular grid is a safe, feasible tool that grants direct access to the cortical surgical surface for tissue resection while simultaneously monitoring electrical activity. Application of the circular grid to different brain pathologies may improve intraoperative epileptogenic detection accuracy and functional outcomes, while decreasing postoperative complications.</jats:p></jats:sec> A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy Journal of Neurosurgery
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recordtype ai
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series Journal of Neurosurgery
source_id 49
title A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
title_unstemmed A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
title_full A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
title_fullStr A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
title_full_unstemmed A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
title_short A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
title_sort a 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
topic General Medicine
url http://dx.doi.org/10.3171/2019.4.jns19261
publishDate 2020
physical 443-450
description <jats:sec><jats:title>OBJECTIVE</jats:title><jats:p>Epilepsy is common among patients with supratentorial brain tumors; approximately 40%–70% of patients with glioma develop brain tumor–related epilepsy (BTRE). Intraoperative localization of the epileptogenic zone during surgical tumor resection (real-time data) may improve intervention techniques in patients with lesional epilepsy, including BTRE. Accurate localization of the epileptogenic signals requires electrodes with high-density spatial organization that must be placed on the cortical surface during surgery. The authors investigated a 360° high-density ring-shaped cortical electrode assembly device, called the “circular grid,” that allows for simultaneous tumor resection and real-time electrophysiology data recording from the brain surface.</jats:p></jats:sec><jats:sec><jats:title>METHODS</jats:title><jats:p>The authors collected data from 99 patients who underwent awake craniotomy from January 2008 to December 2018 (29 patients with the circular grid and 70 patients with strip electrodes), of whom 50 patients were matched-pair analyzed (25 patients with the circular grid and 25 patients with strip electrodes). Multiple variables were then retrospectively assessed to determine if utilization of this device provides more accurate real-time data and improves patient outcomes.</jats:p></jats:sec><jats:sec><jats:title>RESULTS</jats:title><jats:p>Matched-pair analysis showed higher extent of resection (p = 0.03) and a shorter transient motor recovery period during the hospitalization course (by approximately 6.6 days, p ≤ 0.05) in the circular grid patients. Postoperative versus preoperative Karnofsky Performance Scale (KPS) score difference/drop was greater for the strip electrode patients (p = 0.007). No significant difference in postoperative seizures between the 2 groups was present (p = 0.80).</jats:p></jats:sec><jats:sec><jats:title>CONCLUSIONS</jats:title><jats:p>The circular grid is a safe, feasible tool that grants direct access to the cortical surgical surface for tissue resection while simultaneously monitoring electrical activity. Application of the circular grid to different brain pathologies may improve intraoperative epileptogenic detection accuracy and functional outcomes, while decreasing postoperative complications.</jats:p></jats:sec>
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author ReFaey, Karim, Chaichana, Kaisorn L., Feyissa, Anteneh M., Vivas-Buitrago, Tito, Brinkmann, Benjamin H., Middlebrooks, Erik H., McKay, Jake H., Lankford, David J., Tripathi, Shashwat, Bojaxhi, Elird, Roth, Grayson E., Tatum, William O., Quiñones-Hinojosa, Alfredo
author_facet ReFaey, Karim, Chaichana, Kaisorn L., Feyissa, Anteneh M., Vivas-Buitrago, Tito, Brinkmann, Benjamin H., Middlebrooks, Erik H., McKay, Jake H., Lankford, David J., Tripathi, Shashwat, Bojaxhi, Elird, Roth, Grayson E., Tatum, William O., Quiñones-Hinojosa, Alfredo, ReFaey, Karim, Chaichana, Kaisorn L., Feyissa, Anteneh M., Vivas-Buitrago, Tito, Brinkmann, Benjamin H., Middlebrooks, Erik H., McKay, Jake H., Lankford, David J., Tripathi, Shashwat, Bojaxhi, Elird, Roth, Grayson E., Tatum, William O., Quiñones-Hinojosa, Alfredo
author_sort refaey, karim
container_issue 2
container_start_page 443
container_title Journal of Neurosurgery
container_volume 133
description <jats:sec><jats:title>OBJECTIVE</jats:title><jats:p>Epilepsy is common among patients with supratentorial brain tumors; approximately 40%–70% of patients with glioma develop brain tumor–related epilepsy (BTRE). Intraoperative localization of the epileptogenic zone during surgical tumor resection (real-time data) may improve intervention techniques in patients with lesional epilepsy, including BTRE. Accurate localization of the epileptogenic signals requires electrodes with high-density spatial organization that must be placed on the cortical surface during surgery. The authors investigated a 360° high-density ring-shaped cortical electrode assembly device, called the “circular grid,” that allows for simultaneous tumor resection and real-time electrophysiology data recording from the brain surface.</jats:p></jats:sec><jats:sec><jats:title>METHODS</jats:title><jats:p>The authors collected data from 99 patients who underwent awake craniotomy from January 2008 to December 2018 (29 patients with the circular grid and 70 patients with strip electrodes), of whom 50 patients were matched-pair analyzed (25 patients with the circular grid and 25 patients with strip electrodes). Multiple variables were then retrospectively assessed to determine if utilization of this device provides more accurate real-time data and improves patient outcomes.</jats:p></jats:sec><jats:sec><jats:title>RESULTS</jats:title><jats:p>Matched-pair analysis showed higher extent of resection (p = 0.03) and a shorter transient motor recovery period during the hospitalization course (by approximately 6.6 days, p ≤ 0.05) in the circular grid patients. Postoperative versus preoperative Karnofsky Performance Scale (KPS) score difference/drop was greater for the strip electrode patients (p = 0.007). No significant difference in postoperative seizures between the 2 groups was present (p = 0.80).</jats:p></jats:sec><jats:sec><jats:title>CONCLUSIONS</jats:title><jats:p>The circular grid is a safe, feasible tool that grants direct access to the cortical surgical surface for tissue resection while simultaneously monitoring electrical activity. Application of the circular grid to different brain pathologies may improve intraoperative epileptogenic detection accuracy and functional outcomes, while decreasing postoperative complications.</jats:p></jats:sec>
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imprint_str_mv Journal of Neurosurgery Publishing Group (JNSPG), 2020
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spelling ReFaey, Karim Chaichana, Kaisorn L. Feyissa, Anteneh M. Vivas-Buitrago, Tito Brinkmann, Benjamin H. Middlebrooks, Erik H. McKay, Jake H. Lankford, David J. Tripathi, Shashwat Bojaxhi, Elird Roth, Grayson E. Tatum, William O. Quiñones-Hinojosa, Alfredo 0022-3085 1933-0693 Journal of Neurosurgery Publishing Group (JNSPG) General Medicine http://dx.doi.org/10.3171/2019.4.jns19261 <jats:sec><jats:title>OBJECTIVE</jats:title><jats:p>Epilepsy is common among patients with supratentorial brain tumors; approximately 40%–70% of patients with glioma develop brain tumor–related epilepsy (BTRE). Intraoperative localization of the epileptogenic zone during surgical tumor resection (real-time data) may improve intervention techniques in patients with lesional epilepsy, including BTRE. Accurate localization of the epileptogenic signals requires electrodes with high-density spatial organization that must be placed on the cortical surface during surgery. The authors investigated a 360° high-density ring-shaped cortical electrode assembly device, called the “circular grid,” that allows for simultaneous tumor resection and real-time electrophysiology data recording from the brain surface.</jats:p></jats:sec><jats:sec><jats:title>METHODS</jats:title><jats:p>The authors collected data from 99 patients who underwent awake craniotomy from January 2008 to December 2018 (29 patients with the circular grid and 70 patients with strip electrodes), of whom 50 patients were matched-pair analyzed (25 patients with the circular grid and 25 patients with strip electrodes). Multiple variables were then retrospectively assessed to determine if utilization of this device provides more accurate real-time data and improves patient outcomes.</jats:p></jats:sec><jats:sec><jats:title>RESULTS</jats:title><jats:p>Matched-pair analysis showed higher extent of resection (p = 0.03) and a shorter transient motor recovery period during the hospitalization course (by approximately 6.6 days, p ≤ 0.05) in the circular grid patients. Postoperative versus preoperative Karnofsky Performance Scale (KPS) score difference/drop was greater for the strip electrode patients (p = 0.007). No significant difference in postoperative seizures between the 2 groups was present (p = 0.80).</jats:p></jats:sec><jats:sec><jats:title>CONCLUSIONS</jats:title><jats:p>The circular grid is a safe, feasible tool that grants direct access to the cortical surgical surface for tissue resection while simultaneously monitoring electrical activity. Application of the circular grid to different brain pathologies may improve intraoperative epileptogenic detection accuracy and functional outcomes, while decreasing postoperative complications.</jats:p></jats:sec> A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy Journal of Neurosurgery
spellingShingle ReFaey, Karim, Chaichana, Kaisorn L., Feyissa, Anteneh M., Vivas-Buitrago, Tito, Brinkmann, Benjamin H., Middlebrooks, Erik H., McKay, Jake H., Lankford, David J., Tripathi, Shashwat, Bojaxhi, Elird, Roth, Grayson E., Tatum, William O., Quiñones-Hinojosa, Alfredo, Journal of Neurosurgery, A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy, General Medicine
title A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
title_full A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
title_fullStr A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
title_full_unstemmed A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
title_short A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
title_sort a 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
title_unstemmed A 360° electronic device for recording high-resolution intraoperative electrocorticography of the brain during awake craniotomy
topic General Medicine
url http://dx.doi.org/10.3171/2019.4.jns19261