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Matthew A. Howard - One of the best experts on this subject based on the ideXlab platform.
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Volume of Brain Herniation After Decompressive Craniectomy in Patients with Traumatic Brain Injury.
World Neurosurgery, 2018Co-Authors: Kingsley O. Abode-iyamah, Kirsten Stoner, Nicole M. Grosland, Liesl N Close, Oliver E Flouty, Nicole A. Devries Watson, Matthew A. HowardAbstract:Background The decompressive hemicraniectomy operation is highly effective in relieving refractory intracranial hypertension. However, one limitation of this treatment strategy is the requirement to perform a subsequent cranioplasty operation to reconstruct the skull defect—an expensive procedure with high complication rates. An implant that is capable of accommodated post-hemicraniectomy Brain swelling, but also provides acceptable skull defect coverage after Brain swelling abates, would theoretically eliminate the need for the cranioplasty operation. In an earlier report, the concept of using a thin, moveable plate implant for this purpose was introduced. Methods Measurements were obtained in a series of stroke patients to determine whether a plate offset from the skull by 5 mm would accommodate the observed post-hemicraniectomy Brain swelling. The volume of Brain swelling measured in all patients in the stroke series would be accommodated by a 5-mm offset plate. In the current report, we expanded our analysis to study Brain swelling patterns in a different population of patients requiring a hemicraniectomy operation: those with traumatic Brain injuries (TBI). Results We identified 56 patients with TBI and measured their postoperative Brain Herniation volumes. A moveable plate offset by 5 mm would create sufficient additional volume to accommodate the Brain swelling measured in all but one patient. That patient had malignant intraoperative Brain swelling and died the following day. Conclusions These data suggest that a 5 mm offset plate will provide sufficient volume for Brain expansion for almost all hemicraniectomy operations.
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Volume of Brain Herniation After Decompressive Craniectomy in Patients with Traumatic Brain Injury.
World neurosurgery, 2018Co-Authors: Kingsley O. Abode-iyamah, Nicole M. Grosland, Kirsten E Stoner, Liesl N Close, Nicole A Devries Watson, Oliver E Flouty, Matthew A. HowardAbstract:The decompressive hemicraniectomy operation is highly effective in relieving refractory intracranial hypertension. However, one limitation of this treatment strategy is the requirement to perform a subsequent cranioplasty operation to reconstruct the skull defect-an expensive procedure with high complication rates. An implant that is capable of accommodated post-hemicraniectomy Brain swelling, but also provides acceptable skull defect coverage after Brain swelling abates, would theoretically eliminate the need for the cranioplasty operation. In an earlier report, the concept of using a thin, moveable plate implant for this purpose was introduced. Measurements were obtained in a series of stroke patients to determine whether a plate offset from the skull by 5 mm would accommodate the observed post-hemicraniectomy Brain swelling. The volume of Brain swelling measured in all patients in the stroke series would be accommodated by a 5-mm offset plate. In the current report, we expanded our analysis to study Brain swelling patterns in a different population of patients requiring a hemicraniectomy operation: those with traumatic Brain injuries (TBI). We identified 56 patients with TBI and measured their postoperative Brain Herniation volumes. A moveable plate offset by 5 mm would create sufficient additional volume to accommodate the Brain swelling measured in all but one patient. That patient had malignant intraoperative Brain swelling and died the following day. These data suggest that a 5 mm offset plate will provide sufficient volume for Brain expansion for almost all hemicraniectomy operations. Copyright © 2018. Published by Elsevier Inc.
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Volume of Brain Herniation in Patients with Ischemic Stroke After Decompressive Craniectomy.
World neurosurgery, 2016Co-Authors: Kirsten Stoner, Kingsley O. Abode-iyamah, Nicole M. Grosland, Matthew A. HowardAbstract:Background Decompressive craniectomy procedures are performed in patients with malignant intracranial hypertension. A bone flap is removed to relieve pressure. Later, a second operation is performed to reconstruct the skull after Brain swelling has resolved. This surgical treatment would be improved if it were possible to perform a single operation that decompressed the Brain acutely and eliminated the need for a second operation. To design a device and procedure that achieve this objective, it is essential to understand how the Brain swells after a craniectomy procedure. Methods We identified 20 patients with ischemic stroke who underwent a decompressive hemicraniectomy operation. Skull defect morphology and postoperative Brain swelling were measured using computed tomography scan data. Additional intracranial volume created by placing a hypothetical cranial plate implant offset from the skull surface by 5 mm was measured for each patient. Results The average craniectomy area and Brain Herniation volume was 9999 ± 1283 mm 2 and 30.48 ± 23.56 mL, respectively. In all patients, the additional volume created by this hypothetical implant exceeded the volume of Brain Herniation observed. Conclusions These findings show that a cranial plate with a 5-mm offset accommodates the Brain swelling that occurs in this patient population.
Kingsley O. Abode-iyamah - One of the best experts on this subject based on the ideXlab platform.
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Volume of Brain Herniation After Decompressive Craniectomy in Patients with Traumatic Brain Injury.
World Neurosurgery, 2018Co-Authors: Kingsley O. Abode-iyamah, Kirsten Stoner, Nicole M. Grosland, Liesl N Close, Oliver E Flouty, Nicole A. Devries Watson, Matthew A. HowardAbstract:Background The decompressive hemicraniectomy operation is highly effective in relieving refractory intracranial hypertension. However, one limitation of this treatment strategy is the requirement to perform a subsequent cranioplasty operation to reconstruct the skull defect—an expensive procedure with high complication rates. An implant that is capable of accommodated post-hemicraniectomy Brain swelling, but also provides acceptable skull defect coverage after Brain swelling abates, would theoretically eliminate the need for the cranioplasty operation. In an earlier report, the concept of using a thin, moveable plate implant for this purpose was introduced. Methods Measurements were obtained in a series of stroke patients to determine whether a plate offset from the skull by 5 mm would accommodate the observed post-hemicraniectomy Brain swelling. The volume of Brain swelling measured in all patients in the stroke series would be accommodated by a 5-mm offset plate. In the current report, we expanded our analysis to study Brain swelling patterns in a different population of patients requiring a hemicraniectomy operation: those with traumatic Brain injuries (TBI). Results We identified 56 patients with TBI and measured their postoperative Brain Herniation volumes. A moveable plate offset by 5 mm would create sufficient additional volume to accommodate the Brain swelling measured in all but one patient. That patient had malignant intraoperative Brain swelling and died the following day. Conclusions These data suggest that a 5 mm offset plate will provide sufficient volume for Brain expansion for almost all hemicraniectomy operations.
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Volume of Brain Herniation After Decompressive Craniectomy in Patients with Traumatic Brain Injury.
World neurosurgery, 2018Co-Authors: Kingsley O. Abode-iyamah, Nicole M. Grosland, Kirsten E Stoner, Liesl N Close, Nicole A Devries Watson, Oliver E Flouty, Matthew A. HowardAbstract:The decompressive hemicraniectomy operation is highly effective in relieving refractory intracranial hypertension. However, one limitation of this treatment strategy is the requirement to perform a subsequent cranioplasty operation to reconstruct the skull defect-an expensive procedure with high complication rates. An implant that is capable of accommodated post-hemicraniectomy Brain swelling, but also provides acceptable skull defect coverage after Brain swelling abates, would theoretically eliminate the need for the cranioplasty operation. In an earlier report, the concept of using a thin, moveable plate implant for this purpose was introduced. Measurements were obtained in a series of stroke patients to determine whether a plate offset from the skull by 5 mm would accommodate the observed post-hemicraniectomy Brain swelling. The volume of Brain swelling measured in all patients in the stroke series would be accommodated by a 5-mm offset plate. In the current report, we expanded our analysis to study Brain swelling patterns in a different population of patients requiring a hemicraniectomy operation: those with traumatic Brain injuries (TBI). We identified 56 patients with TBI and measured their postoperative Brain Herniation volumes. A moveable plate offset by 5 mm would create sufficient additional volume to accommodate the Brain swelling measured in all but one patient. That patient had malignant intraoperative Brain swelling and died the following day. These data suggest that a 5 mm offset plate will provide sufficient volume for Brain expansion for almost all hemicraniectomy operations. Copyright © 2018. Published by Elsevier Inc.
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Volume of Brain Herniation in Patients with Ischemic Stroke After Decompressive Craniectomy.
World neurosurgery, 2016Co-Authors: Kirsten Stoner, Kingsley O. Abode-iyamah, Nicole M. Grosland, Matthew A. HowardAbstract:Background Decompressive craniectomy procedures are performed in patients with malignant intracranial hypertension. A bone flap is removed to relieve pressure. Later, a second operation is performed to reconstruct the skull after Brain swelling has resolved. This surgical treatment would be improved if it were possible to perform a single operation that decompressed the Brain acutely and eliminated the need for a second operation. To design a device and procedure that achieve this objective, it is essential to understand how the Brain swells after a craniectomy procedure. Methods We identified 20 patients with ischemic stroke who underwent a decompressive hemicraniectomy operation. Skull defect morphology and postoperative Brain swelling were measured using computed tomography scan data. Additional intracranial volume created by placing a hypothetical cranial plate implant offset from the skull surface by 5 mm was measured for each patient. Results The average craniectomy area and Brain Herniation volume was 9999 ± 1283 mm 2 and 30.48 ± 23.56 mL, respectively. In all patients, the additional volume created by this hypothetical implant exceeded the volume of Brain Herniation observed. Conclusions These findings show that a cranial plate with a 5-mm offset accommodates the Brain swelling that occurs in this patient population.
Taek Hyun Kwon - One of the best experts on this subject based on the ideXlab platform.
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Brain Herniation induced by drainage of subdural hematoma in spontaneous intracranial hypotension
Asian journal of neurosurgery, 2013Co-Authors: Silky Chotai, Jong-hyun Kim, Joo Han Kim, Taek Hyun KwonAbstract:Spontaneous intracranial hypotension (SIH), typically presents with orthostatic headache, low pressure on lumbar tapping, and diffuse pachymeningeal enhancement on magnetic resonance imaging. SIH is often accompanied by subdural fluid collections, which in most cases responds to conservative treatment or spinal epidural blood patch. Several authors advocate that large subdural hematoma with acute deterioration merits surgical drainage; however, few have reported complications following craniotomy. We describe a complicated case of SIH, which was initially diagnosed as acute subarachnoid hemorrhage with bilateral chronic subdural hematoma (SDH), due to unusual presentation. Burr hole drainage of subdural hematoma was performed due to progressive decrease of consciousness, which then resulted in a huge postoperative epidural hematoma collection. Prompt hematoma evacuation did not restore the patient's consciousness but aggravated downward Brain Herniation. Trendelenburg position and spinal epidural blood patch achieved a rapid improvement in patient's consciousness. This case indicates that the surgical drainage for chronic SDH in SIH can lead to serious complications and it should be cautiously considered.
Nicole M. Grosland - One of the best experts on this subject based on the ideXlab platform.
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Volume of Brain Herniation After Decompressive Craniectomy in Patients with Traumatic Brain Injury.
World Neurosurgery, 2018Co-Authors: Kingsley O. Abode-iyamah, Kirsten Stoner, Nicole M. Grosland, Liesl N Close, Oliver E Flouty, Nicole A. Devries Watson, Matthew A. HowardAbstract:Background The decompressive hemicraniectomy operation is highly effective in relieving refractory intracranial hypertension. However, one limitation of this treatment strategy is the requirement to perform a subsequent cranioplasty operation to reconstruct the skull defect—an expensive procedure with high complication rates. An implant that is capable of accommodated post-hemicraniectomy Brain swelling, but also provides acceptable skull defect coverage after Brain swelling abates, would theoretically eliminate the need for the cranioplasty operation. In an earlier report, the concept of using a thin, moveable plate implant for this purpose was introduced. Methods Measurements were obtained in a series of stroke patients to determine whether a plate offset from the skull by 5 mm would accommodate the observed post-hemicraniectomy Brain swelling. The volume of Brain swelling measured in all patients in the stroke series would be accommodated by a 5-mm offset plate. In the current report, we expanded our analysis to study Brain swelling patterns in a different population of patients requiring a hemicraniectomy operation: those with traumatic Brain injuries (TBI). Results We identified 56 patients with TBI and measured their postoperative Brain Herniation volumes. A moveable plate offset by 5 mm would create sufficient additional volume to accommodate the Brain swelling measured in all but one patient. That patient had malignant intraoperative Brain swelling and died the following day. Conclusions These data suggest that a 5 mm offset plate will provide sufficient volume for Brain expansion for almost all hemicraniectomy operations.
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Volume of Brain Herniation After Decompressive Craniectomy in Patients with Traumatic Brain Injury.
World neurosurgery, 2018Co-Authors: Kingsley O. Abode-iyamah, Nicole M. Grosland, Kirsten E Stoner, Liesl N Close, Nicole A Devries Watson, Oliver E Flouty, Matthew A. HowardAbstract:The decompressive hemicraniectomy operation is highly effective in relieving refractory intracranial hypertension. However, one limitation of this treatment strategy is the requirement to perform a subsequent cranioplasty operation to reconstruct the skull defect-an expensive procedure with high complication rates. An implant that is capable of accommodated post-hemicraniectomy Brain swelling, but also provides acceptable skull defect coverage after Brain swelling abates, would theoretically eliminate the need for the cranioplasty operation. In an earlier report, the concept of using a thin, moveable plate implant for this purpose was introduced. Measurements were obtained in a series of stroke patients to determine whether a plate offset from the skull by 5 mm would accommodate the observed post-hemicraniectomy Brain swelling. The volume of Brain swelling measured in all patients in the stroke series would be accommodated by a 5-mm offset plate. In the current report, we expanded our analysis to study Brain swelling patterns in a different population of patients requiring a hemicraniectomy operation: those with traumatic Brain injuries (TBI). We identified 56 patients with TBI and measured their postoperative Brain Herniation volumes. A moveable plate offset by 5 mm would create sufficient additional volume to accommodate the Brain swelling measured in all but one patient. That patient had malignant intraoperative Brain swelling and died the following day. These data suggest that a 5 mm offset plate will provide sufficient volume for Brain expansion for almost all hemicraniectomy operations. Copyright © 2018. Published by Elsevier Inc.
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Volume of Brain Herniation in Patients with Ischemic Stroke After Decompressive Craniectomy.
World neurosurgery, 2016Co-Authors: Kirsten Stoner, Kingsley O. Abode-iyamah, Nicole M. Grosland, Matthew A. HowardAbstract:Background Decompressive craniectomy procedures are performed in patients with malignant intracranial hypertension. A bone flap is removed to relieve pressure. Later, a second operation is performed to reconstruct the skull after Brain swelling has resolved. This surgical treatment would be improved if it were possible to perform a single operation that decompressed the Brain acutely and eliminated the need for a second operation. To design a device and procedure that achieve this objective, it is essential to understand how the Brain swells after a craniectomy procedure. Methods We identified 20 patients with ischemic stroke who underwent a decompressive hemicraniectomy operation. Skull defect morphology and postoperative Brain swelling were measured using computed tomography scan data. Additional intracranial volume created by placing a hypothetical cranial plate implant offset from the skull surface by 5 mm was measured for each patient. Results The average craniectomy area and Brain Herniation volume was 9999 ± 1283 mm 2 and 30.48 ± 23.56 mL, respectively. In all patients, the additional volume created by this hypothetical implant exceeded the volume of Brain Herniation observed. Conclusions These findings show that a cranial plate with a 5-mm offset accommodates the Brain swelling that occurs in this patient population.
Ali Fatih Ramazanoglu - One of the best experts on this subject based on the ideXlab platform.
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Tension pneumocephalus causing Brain Herniation after endoscopic sinus surgery.
Asian journal of neurosurgery, 2016Co-Authors: Erhan Celikoglu, Jülide Hazneci, Ali Fatih RamazanogluAbstract:Endoscopic sinus surgery (ESS) may rarely be complicated by intracranial complications; the most common of them is a cerebrospinal fluid fistula. Pneumocephalus as a complication of ESS is quite rare. Here, we presented a unique case of tension pneumocephalus causing Brain Herniation as a complication of ESS, to whom emergent craniotomy was performed.