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Article ; Online: Safety and Efficacy of Riluzole in Traumatic Spinal Cord Injury: A Systematic Review With Meta-Analyses.

Weisbrod, Luke J / Nilles-Melchert, Thomas T / Bergjord, Judith R / Surdell, Daniel L

Neurotrauma reports

2024 Volume 5, Issue 1, Page(s) 117–127

Abstract: Traumatic spinal cord injury (SCI) is a cause of significant morbidity, often resulting in long-term disability. We aimed to compare outcomes after riluzole versus patients who received placebo or standard of care with no specific intervention. MEDLINE, ... ...

Abstract	Traumatic spinal cord injury (SCI) is a cause of significant morbidity, often resulting in long-term disability. We aimed to compare outcomes after riluzole versus patients who received placebo or standard of care with no specific intervention. MEDLINE, Embase, Scopus, and Cochrane Library database searches yielded 92 records, and five met the study inclusion criteria. Fixed-effect and random-effects models were used to establish odds ratios (ORs) and mean difference (MD) with 95% confidence intervals (CIs) for each outcome. The results of the pooled analysis showed that in patients with acute traumatic SCI, riluzole resulted in increased American Spinal Injury Association (ASIA) motor scores at 3 months (MD 0.26, 95% CI [-0.10,0.61],
Language	English
Publishing date	2024-02-19
Publishing country	United States
Document type	Journal Article
ISSN	2689-288X
ISSN (online)	2689-288X
DOI	10.1089/neur.2023.0114
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Erroneous Central Venous Catheter Placement: Multidisciplinary Primary Surgical Repair of the Vertebral Artery.

Opperman, Patrick J / Thompson, Jonathan R / Surdell, Daniel L

Cureus

2022 Volume 14, Issue 3, Page(s) e22933

Abstract: Central venous catheters are a common practice in critical care medicine. These lines are of particular importance when a patient needs large volume resuscitation or medications that cannot be infused through a peripheral line. Even though central venous ...

Abstract	Central venous catheters are a common practice in critical care medicine. These lines are of particular importance when a patient needs large volume resuscitation or medications that cannot be infused through a peripheral line. Even though central venous catheters are frequently utilized, they are associated with potentially significant risks that one must be aware of when attempting placement. The anatomy and pertinent complications are key for any healthcare professional to be aware of during this procedure. As such, vascular injury has been described in the literature, but vertebral artery injury and common repair techniques are less common. Primary repair of the second vertebral artery segment is infrequently detailed in the literature and this report describes pertinent case details and plan of action for identification and repair of iatrogenic vertebral artery injury following catheter placement.
Language	English
Publishing date	2022-03-07
Publishing country	United States
Document type	Case Reports
ZDB-ID	2747273-5
ISSN	2168-8184
ISSN	2168-8184
DOI	10.7759/cureus.22933
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: The complete anterior petrosectomy: an expanded extended-middle fossa approach with removal of the infratrigeminal petrous apex and drilling of the lateral clivus.

Liu, Collin / Evins, Alexander I / Atchley, Travis J / Surdell, Daniel L / Thorell, William E / Nonaka, Motonobu / Stieg, Philip E / Bernardo, Antonio

Journal of neurosurgery

2024 , Page(s) 1–9

Abstract: Intradural exposure in the extended middle fossa anterior transpetrosal approach is traditionally limited to the inferior petrosal sinus inferomedially. Expanding bone removal of the petrous apex around the petrous internal carotid artery (ICA), ... ...

Abstract	Intradural exposure in the extended middle fossa anterior transpetrosal approach is traditionally limited to the inferior petrosal sinus inferomedially. Expanding bone removal of the petrous apex around the petrous internal carotid artery (ICA), underneath the trigeminal ganglion/mandibular nerve, and into the lateral component of the clivus can significantly expand the limits of this approach beyond the inferior petrosal sinus and allows for exposure of the midline structures, aspects of the contralateral inferior clival region, and, when high riding, the vertebrobasilar junction. To date, no descriptive techniques for drilling into the lateral clivus in this approach have been published. The authors provide a detailed stepwise description of their complete anterior petrosectomy, in use at their institution, that involves skeletonization of the posteromedial petrous ICA, gentle elevation of the trigeminal ganglion/mandibular nerve, removal of the infratrigeminal petrous apex, and two techniques for drilling into the lateral clivus along the petroclival fissure. These techniques provide a direct and unobstructed corridor to the midpetroclival region and ventral brainstem with greater maneuverability and enhanced control of the midline structures, which is especially useful for resection of petroclival meningiomas, chondrosarcomas, and giant vascular lesions of the mid- and upper basilar artery and its proximal branches.
Language	English
Publishing date	2024-01-19
Publishing country	United States
Document type	Journal Article
ZDB-ID	3089-2
ISSN	1933-0693 ; 0022-3085
ISSN (online)	1933-0693
ISSN	0022-3085
DOI	10.3171/2023.11.JNS231303
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Article ; Online: Intravascular ultrasound to aid in the diagnosis and revision of an intra-aortic pedicle screw: illustrative case.

Ehlers, Landon D / Opperman, Patrick J / Mordeson, Jack E / Thompson, Jonathan R / Surdell, Daniel L

Journal of neurosurgery. Case lessons

2023 Volume 6, Issue 7

Abstract: Background: Pedicle screw impingement on vessel walls has the potential for complications due to pulsatile effects and wall erosion. Artifacts from spinal instrumentation create difficulty in accurately evaluating this interface. The authors present the ...

Abstract	Background: Pedicle screw impingement on vessel walls has the potential for complications due to pulsatile effects and wall erosion. Artifacts from spinal instrumentation create difficulty in accurately evaluating this interface. The authors present the first case of intravascular ultrasound (IVUS) used to characterize a pedicle screw breach into the aortic lumen. Observations: A 21-year-old female with surgically corrected scoliosis underwent computed tomography angiography (CTA) 3 years postoperatively, which revealed a pedicle screw within the thoracic aorta lumen. Metal artifact distorted the CTA images, which prompted the decision to use intraoperative IVUS. The IVUS confirmed the noninvasive imaging findings and guided final decisions regarding aortic endograft size and location during spine hardware revision. Lessons: For asymptomatic patients presenting with pedicle screws malpositioned in or near the aorta, treatment decisions revolve around the extent of vessel wall penetration. Intraluminal depth can be obscured by artifact on computed tomography or magnetic resonance imaging or inadequately evaluated by a transesophageal echocardiogram. In our intraoperative experience, IVUS confirmed the depth of vessel lumen violation by a single pedicle screw and no wall penetration by two additional screws of concern. This was useful in deciding on thoracic endovascular aortic repair graft size and landing zone and facilitated safe spinal instrumentation removal and revision.
Language	English
Publishing date	2023-08-14
Publishing country	United States
Document type	Journal Article
ISSN	2694-1902
ISSN (online)	2694-1902
DOI	10.3171/CASE23272
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Article: Low-Pressure Hydrocephalus in Spontaneous Angiogram-Negative Subarachnoid Hemorrhage Following COVID-19 Infection.

Weisbrod, Luke / Davidson, Caroline / Gard, Andrew / Surdell, Daniel

Cureus

2021 Volume 13, Issue 7, Page(s) e16674

Abstract: A preliminary report warned that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) could have neuro-invasive potential as it was observed that some patients showed neurologic symptoms such as headache, nausea, and vomiting. Following early ... ...

Abstract	A preliminary report warned that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) could have neuro-invasive potential as it was observed that some patients showed neurologic symptoms such as headache, nausea, and vomiting. Following early speculation there have been reports of neurologic manifestations involving both the central nervous system and peripheral nervous system including reports that coronavirus disease 2019 (COVID-19) may increase the risk of acute ischemic stroke. Here we present a patient with recent COVID-19 infection who experienced low-pressure hydrocephalus requiring high-output cerebrospinal fluid (CSF) diversion following spontaneous angiogram-negative subarachnoid hemorrhage. We hypothesize that patients who are either currently or who have recently been infected with SARS-CoV-2 may have altered ventricular compliance and/or altered CSF hydrodynamics from mechanisms that are not yet understood but potentially related to previously described pathophysiologic mechanisms of the virus and associated inflammatory reaction.
Language	English
Publishing date	2021-07-27
Publishing country	United States
Document type	Case Reports
ZDB-ID	2747273-5
ISSN	2168-8184
ISSN	2168-8184
DOI	10.7759/cureus.16674
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Article ; Conference proceedings: A Newly Described Artery Supplying the Fallopian Segment of the Facial Nerve and Its Role in Functional Preservation in the Transcochlear Approach

Liu, Collin / Evins, Alexander I. / Surdell, Daniel L. / Stieg, Philip E. / Bernardo, Antonio

Journal of Neurological Surgery Part B: Skull Base

2023 Volume 84, Issue S 01

Event/congress	32nd Annual Meeting North American Skull Base Society, JW Marriott Tampa Water Street, Tampa, Florida, United States, 2023-02-17
Language	English
Publishing date	2023-02-01
Publisher	Georg Thieme Verlag KG
Publishing place	Stuttgart ; New York
Document type	Article ; Conference proceedings
ZDB-ID	2654269-9
ISSN	2193-634X ; 2193-6331
ISSN (online)	2193-634X
ISSN	2193-6331
DOI	10.1055/s-0043-1762227
Database	Thieme publisher's database

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Zs.A 3425: Show issues

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Article ; Online: Expansion of the Foramen Ovale in Patients With Cerebrospinal Fluid Leak or Encephalocele.

Curry, Steven D / Granger, Kleve W / Richman, Evan H / Liu, Collin / Moore, Gary F / Barnes, Christie A / Surdell, Daniel L / Hatch, Jonathan L

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology

2022 Volume 43, Issue 7, Page(s) 845–851

Abstract: Objective: Spontaneous cerebrospinal fluid (CSF) leaks are associated with elevated intracranial pressure and idiopathic intracranial hypertension (IIH). Skull base erosion and widening of the foramen ovale have been reported in patients with IIH. This ... ...

Abstract	Objective: Spontaneous cerebrospinal fluid (CSF) leaks are associated with elevated intracranial pressure and idiopathic intracranial hypertension (IIH). Skull base erosion and widening of the foramen ovale have been reported in patients with IIH. This study sought to investigate changes in the size of the foramen ovale and foramen spinosum in patients with IIH, spontaneous CSF leak, and encephalocele. Study design: Retrospective cohort study. Setting: Tertiary care academic medical center. Patients: Adult patients treated from 2014 to 2018 with computed tomographic imaging of the head and who were diagnosed with IIH, encephalocele, or CSF leak. Intervention: Two blinded observers measured the long and short axes of the foramen ovale and foramen spinosum on axial computed tomographic images. Measurements were used to calculate the approximate elliptical cross-sectional area of the foramina. Main outcome measures: Length, width, and area of the foramen ovale and foramen spinosum. Results: A total of 264 patients were identified meeting the inclusion criteria and were placed into three groups. There were 170 patients with IIH, 48 with spontaneous CSF leak or encephalocele (CSF/E group), and 46 with traumatic or iatrogenic CSF leak (control group). Mean foramen ovale short axis (4.85 ± 1.00 mm) and cross-sectional area (30.17 ± 9.25 mm2) in the CSF/E group were significantly increased compared with measurements in patients with IIH or the control groups. Foramen ovale size was positively correlated with age in the CSF/E group. No significant difference in foramen spinosum size was found. Conclusion: Skull base defect resulting in spontaneous CSF leak or encephalocele is associated with enlargement of the foramen ovale on axial computed tomography.
MeSH term(s)	Adult ; Cerebrospinal Fluid Leak/complications ; Cerebrospinal Fluid Leak/etiology ; Encephalocele/complications ; Encephalocele/diagnostic imaging ; Foramen Ovale ; Humans ; Intracranial Hypertension/complications ; Retrospective Studies
Language	English
Publishing date	2022-07-25
Publishing country	United States
Document type	Journal Article
ZDB-ID	2036790-9
ISSN	1537-4505 ; 1531-7129
ISSN (online)	1537-4505
ISSN	1531-7129
DOI	10.1097/MAO.0000000000003583
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Zs.A 1554: Show issues

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Article ; Online: Atrioesophageal Fistula: Considerations for the neurological clinician.

Zima, Laura A / Fornoff, Linden E / Surdell, Daniel L

Clinical neurology and neurosurgery

2018 Volume 170, Page(s) 58–60

Abstract: Atrioesophageal fistula (AEF) is a rare complication of cardiac ablation for atrial fibrillation. It can present in many ways, but neurological signs and symptoms are common initial signs sometimes resulting in neurosurgeons and neurologists first ... ...

Abstract	Atrioesophageal fistula (AEF) is a rare complication of cardiac ablation for atrial fibrillation. It can present in many ways, but neurological signs and symptoms are common initial signs sometimes resulting in neurosurgeons and neurologists first evaluating patients with the condition. We present a case report of at 68-year-old female who presented with acute stroke symptoms and multifocal hemorrhages on MRI who was worked up through our neurosurgery department and diagnosed with AEF. This case highlights three clues to alert neurological clinicians to AEF as a possible diagnosis; clinical worsening of neurological symptoms in correlation to episodes of emesis, septic emboli on CT/MRI, and bacteremia caused by a gram positive oral or GI flora. If neurological clinicians encounter these red flags, an immediate CT of the chest and abdomen and consultation with cardiothoracic surgery may be life-saving.
MeSH term(s)	Aged ; Catheter Ablation/adverse effects ; Esophageal Fistula/diagnostic imaging ; Esophageal Fistula/etiology ; Esophageal Fistula/surgery ; Female ; Heart Atria/diagnostic imaging ; Heart Atria/surgery ; Humans
Language	English
Publishing date	2018-04-27
Publishing country	Netherlands
Document type	Case Reports ; Journal Article
ZDB-ID	193107-6
ISSN	1872-6968 ; 0303-8467
ISSN (online)	1872-6968
ISSN	0303-8467
DOI	10.1016/j.clineuro.2018.04.029
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Article ; Online: Presacral mature cystic teratoma associated with Currarino syndrome in an adolescent with androgen insensitivity: illustrative case.

Koskay, Grant / Opperman, Patrick / Mezzacappa, Frank M / Menousek, Joseph / Fuller, Megan K / Fornoff, Linden / Surdell, Daniel

Journal of neurosurgery. Case lessons

2022 Volume 4, Issue 18

Abstract: Background: Currarino syndrome is a rare disorder that classically presents with the triad of presacral mass, anorectal malformation, and spinal dysraphism. The presacral mass is typically benign, although malignant transformation is possible. Surgical ... ...

Abstract	Background: Currarino syndrome is a rare disorder that classically presents with the triad of presacral mass, anorectal malformation, and spinal dysraphism. The presacral mass is typically benign, although malignant transformation is possible. Surgical treatment of the mass and exploration and repair of associated dysraphism are indicated for diagnosis and symptom relief. There are no previous reports of Currarino syndrome in an androgen-insensitive patient. Observations: A 17-year-old female patient presented with lack of menarche. Physical examination and laboratory investigation identified complete androgen insensitivity. Imaging analysis revealed a presacral mass lesion, and the patient was taken to surgery for resection of the mass and spinal cord untethering. Intraoperative ultrasound revealed a fibrous stalk connecting the thecal sac to the presacral mass, which was disconnected without the need for intrathecal exploration. The presacral mass was then resected, and pathological analysis revealed a mature cystic teratoma. Postoperatively, the patient recovered without neurological or gastrointestinal sequelae. Lessons: Diagnosis of incomplete Currarino syndrome may be difficult but can be identified via work-up of other disorders, such as androgen insensitivity. Intraoperative ultrasound is useful for surgical decision making and may obviate the need for intrathecal exploration during repair of dysraphism in the setting of Currarino syndrome.
Language	English
Publishing date	2022-10-31
Publishing country	United States
Document type	Journal Article
ISSN	2694-1902
ISSN (online)	2694-1902
DOI	10.3171/CASE22351
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Article ; Online: Hemorrhage Rate After External Ventricular Drain Placement in Subarachnoid Hemorrhage: Time to Heparin Administration.

Gard, Andrew P / Sayles, Brian D / Robbins, J Will / Thorell, William E / Surdell, Daniel L

Neurocritical care

2017 Volume 27, Issue 3, Page(s) 350–355

Abstract: Objective: The use of antiplatelet or anticoagulants has previously been shown to increase hemorrhagic complications of ventricular catheterization. Although heparin use 24 h after ventriculostomy appears safe, the safety of heparin immediately (within ... ...

Abstract	Objective: The use of antiplatelet or anticoagulants has previously been shown to increase hemorrhagic complications of ventricular catheterization. Although heparin use 24 h after ventriculostomy appears safe, the safety of heparin immediately (within 4 h) after ventriculostomy is unknown. The objective of this study was to assess the safety of heparin immediately (within 4 h) after ventriculostomy in subarachnoid hemorrhage (SAH) patients undergoing endovascular treatment. Patients and methods: This is a retrospective cohort study of 46 patients with aneurysmal SAH secondary to aneurysm rupture who required ventriculostomy. Post-ventriculostomy imaging was carefully reviewed for tract hemorrhaging. Timing of heparinization was noted. Early heparinization was within 4 h after ventriculostomy, and intermediate heparinization was between 4 and 24 h after ventriculostomy. Results: Overall, the tract hemorrhage rate was 26.1% for the study cohort-mostly grade I tract hemorrhages-consistent with the existing literature. The tract hemorrhage rate in the early (<4 h) heparin group was a remarkable 58.8%. The hemorrhages were also notably larger in the early (<4 h) heparin group. Conclusion: Although heparin appears to be safe after 4 h, immediate heparinization (within 4 h) after ventriculostomy significantly increases the odds of tract hemorrhage. Additional time should be afforded between ventriculostomy and heparinization to avoid potentially devastating external ventricular drain tract hemorrhage. It is advisable to wait a sufficient time (at least 4 h) after ventriculostomy before embarking on endovascular treatment of ruptured aneurysms.
MeSH term(s)	Adult ; Aged ; Aneurysm, Ruptured/complications ; Anticoagulants/administration & dosage ; Anticoagulants/adverse effects ; Anticoagulants/pharmacology ; Combined Modality Therapy/adverse effects ; Female ; Heparin/administration & dosage ; Heparin/adverse effects ; Heparin/pharmacology ; Humans ; Intracranial Aneurysm/complications ; Male ; Middle Aged ; Outcome Assessment (Health Care) ; Retrospective Studies ; Subarachnoid Hemorrhage/drug therapy ; Subarachnoid Hemorrhage/etiology ; Subarachnoid Hemorrhage/surgery ; Ventriculostomy/adverse effects ; Ventriculostomy/methods
Chemical Substances	Anticoagulants ; Heparin (9005-49-6)
Language	English
Publishing date	2017-06-13
Publishing country	United States
Document type	Journal Article
ZDB-ID	2381896-7
ISSN	1556-0961 ; 1541-6933
ISSN (online)	1556-0961
ISSN	1541-6933
DOI	10.1007/s12028-017-0417-4
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