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Kassam AB, Monroy-Sosa A, Fukui MB, Kura B, Jennings JE, Celix JM, Nash KC, Kassam M, Rovin RA, Chakravarthi SS. White Matter Governed Superior Frontal Sulcus Surgical Paradigm: A Radioanatomic Microsurgical Study-Part II. Oper Neurosurg (Hagerstown) 2021; 19:E357-E369. [PMID: 32392326 DOI: 10.1093/ons/opaa066] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 02/02/2020] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Kocher's point (KP) and its variations have provided standard access to the frontal horn (FH) for over a century. Anatomic understanding of white matter tracts (WMTs) has evolved, now positioning us to better inform the optimal FH trajectory. OBJECTIVE To (1) undertake a literature review analyzing entry points (EPs) to the FH; (2) introduce a purpose-built WMT-founded superior frontal sulcus parafascicular (SFSP)-EP also referred to as the Kassam-Monroy entry point (KM-EP); and (3) compare KM-EP with KP and variants with respect to WMTs. METHODS (1) Literature review (PubMed database, 1892-2018): (a) stratification based on the corridor: i. ventricular catheter; ii. through-channel endoscopic; or iii. portal; (b) substratification based on intent: i. preoperatively planned or ii. intraoperative (postdural opening) for urgent ventricular drainage. (2) Anatomic comparisons of KM-EP, KP, and variants via (a) cadaveric dissections and (b) magnetic resonance-diffusion tensor imaging computational 3D modeling. RESULTS A total of 31 studies met inclusion criteria: (a) 9 utilized KP coordinate (1 cm anterior to the coronal suture (y-axis) and 3 cm lateral of the midline (x-axis) approximated by the midpupillary line) and 22 EPs represented variations. All 31 traversed critical subcortical WMTs, specifically the frontal aslant tract, superior longitudinal fasciculus II, and inferior fronto-occipital fasciculus, whereas KM-EP (x = 2.3, y = 3.5) spares these WMTs. CONCLUSION KP (x = 3, y = 1) conceived over a century ago, prior to awareness of WMTs, as well as its variants, anatomically place critical WMTs at risk. The KM-EP (x = 2.3, y = 3.5) is purpose built and founded on WMTs, representing anatomically safe access to the FH. Correlative clinical safety, which will be directly proportional to the size of the corridor, is yet to be established in prospective studies.
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Affiliation(s)
- Amin B Kassam
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin.,Neeka Health, Milwaukee, Wisconsin
| | - Alejandro Monroy-Sosa
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Melanie B Fukui
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Bhavani Kura
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Jonathan E Jennings
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Juanita M Celix
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | | | - Mikaeel Kassam
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin.,Department of Psychiatry, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Richard A Rovin
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Srikant S Chakravarthi
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
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Monroy-Sosa A, Chakravarthi SS, Fukui MB, Kura B, Jennings JE, Celix JM, Nash KC, Kassam M, Rovin RA, Kassam AB. White Matter-Governed Superior Frontal Sulcus Surgical Paradigm: A Radioanatomic Microsurgical Study—Part I. Oper Neurosurg (Hagerstown) 2020; 19:E343-E356. [DOI: 10.1093/ons/opaa065] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 01/13/2020] [Indexed: 12/27/2022] Open
Abstract
Abstract
BACKGROUND
Frontal subcortical and intraventricular pathologies are traditionally accessed via transcortical or interhemispheric-transcallosal corridors.
OBJECTIVE
To describe the microsurgical subcortical anatomy of the superior frontal sulcus (SFS) corridor.
METHODS
Cadaveric dissections were undertaken and correlated with magnetic resonance imaging/diffusion-tensor imaging-Tractography. Surgical cases demonstrated clinical applicability.
RESULTS
SFS was divided into the following divisions: proximal, precentral sulcus to coronal suture; middle, 3-cm anterior to coronal suture; and distal, middle division to the orbital crest. Anatomy was organized as layered circumferential rings projecting radially towards the ventricles: (1) outer ring: at the level of the SFS, the following lengths were measured: (A) precentral sulcus to coronal suture = 2.29 cm, (B) frontal bone projection of superior sagittal sinus (SSS) to SFS = 2.37 cm, (C) superior temporal line to SFS = 3.0 cm, and (D) orbital crest to distal part of SFS = 2.32 cm; and (2) inner ring: (a) medial to SFS, U-fibers, frontal aslant tract (FAT), superior longitudinal fasciculus I (SLF-I), and cingulum bundle, (b) lateral to SFS, U-fibers, (SLF-II), claustrocortical fibers (CCF), and inferior fronto-occipital fasciculus, and (c) intervening fibers, FAT, corona radiata, and CCF. The preferred SFS parafascicular entry point (SFSP-EP) also referred to as the Kassam-Monroy entry point (KM-EP) bisects the distance between the midpupillary line and the SSS and has the following coordinates: x = 2.3 cm (lateral to SSS), y ≥ 3.5 cm (anterior to CS), and z = parallel corona radiata and anterior limb of the internal capsule.
CONCLUSION
SFS corridor can be divided into lateral, medial, and intervening white matter tract segments. Based on morphometric assessment, the optimal SFSP-EP is y ≥ 3.5 cm, x = 2.3 cm, and z = parallel to corona radiata and anterior limb of the internal capsule.
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Affiliation(s)
- Alejandro Monroy-Sosa
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Srikant S Chakravarthi
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Melanie B Fukui
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Bhavani Kura
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Jonathan E Jennings
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Juanita M Celix
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Kenneth C Nash
- Department of Psychiatry, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Mikaeel Kassam
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
- Neeka Health, Milwaukee, Wisconsin
| | - Richard A Rovin
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Amin B Kassam
- Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
- Neeka Health, Milwaukee, Wisconsin
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Chakravarthi SS, Kassam AB, Fukui MB, Monroy-Sosa A, Rothong N, Cunningham J, Jennings JE, Guenther N, Connelly J, Kaemmerer T, Nash KC, Lindsay M, Rissell J, Celix JM, Rovin RA. Awake Surgical Management of Third Ventricular Tumors: A Preliminary Safety, Feasibility, and Clinical Applications Study. Oper Neurosurg (Hagerstown) 2019; 17:208-226. [DOI: 10.1093/ons/opy405] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 02/07/2019] [Indexed: 11/12/2022] Open
Abstract
AbstractBACKGROUNDEndoscopic and microneurosurgical approaches to third ventricular lesions are commonly performed under general anesthesia.OBJECTIVETo report our initial experience with awake transsulcal parafascicular corridor surgery (TPCS) of the third ventricle and its safety, feasibility, and limitations.METHODSA total of 12 cases are reviewed: 6 colloid cysts, 2 central neurocytomas, 1 papillary craniopharyngioma, 1 basal ganglia glioblastoma, 1 thalamic glioblastoma, and 1 ependymal cyst. Lesions were approached using TPCS through the superior frontal sulcus. Pre-, intra-, and postoperative neurocognitive (NC) testing were performed on all patients.RESULTSNo cases required conversion to general anesthesia. Awake anesthesia changed intraoperative management in 4/12 cases with intraoperative cognitive changes that required port re-positioning; 3/4 recovered. Average length of stay (LOS) was 6.1 d ± 6.6. Excluding 3 outliers who had preoperative NC impairment, the average LOS was 2.5 d ± 1.2. Average operative time was 3.00 h ± 0.44. Average awake anesthesia time was 5.05 h ± 0.54. There were no mortalities.CONCLUSIONThis report demonstrated the feasibility and safety of awake third ventricular surgery, and was not limited by pathology, size, or vascularity. The most significant factor impacting LOS was preoperative NC deficit. The most significant risk factor predicting a permanent NC deficit was preoperative 2/3 domain impairment combined with radiologic evidence of invasion of limbic structures – defined as a “NC resilience/reserve” in our surgical algorithm. Larger efficacy studies will be required to demonstrate the validity of the algorithm and impact on long-term cognitive outcomes, as well as generalizability of awake TPCS for third ventricular surgery.
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Affiliation(s)
- Srikant S Chakravarthi
- Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Amin B Kassam
- Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Melanie B Fukui
- Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Alejandro Monroy-Sosa
- Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Nichelle Rothong
- Department of Neuropsychology, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Joseph Cunningham
- Department of Neuropsychology, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Jonathan E Jennings
- Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Neil Guenther
- Department of Anesthesiology, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Jeremy Connelly
- Department of Neuropsychology, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Tobias Kaemmerer
- Department of Neuropsychology, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Kenneth C Nash
- Department of Psychiatry, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | | | - Janie Rissell
- Department of Neuropsychology, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Juanita M Celix
- Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
| | - Richard A Rovin
- Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin
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Fertig AM, Tew JD, Douaihy AB, Nash KC, Solai LK, Travis MJ, Zippay LB, Matthews KA, Lewis DA. Developing a Clinician Educator Faculty Development Program: Lessons Learned. Acad Psychiatry 2017; 41:417-422. [PMID: 27538911 DOI: 10.1007/s40596-016-0596-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Accepted: 07/13/2016] [Indexed: 06/06/2023]
Affiliation(s)
| | - James D Tew
- University of Pittsburgh, Pittsburgh, PA, USA
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Sandy EA, Beigi RH, Cohel C, Nash KC. AN INTERVIEW TOOL TO PREDICT DISRUPTIVE PHYSICIAN BEHAVIOR. Physician Leadersh J 2014; 1:36-39. [PMID: 26237865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
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Nash KC, Kelemen SM, Gopalan P, Azzam PN. The early career consultation psychiatrist: manager, director, boss--leadership and psychiatric practice. Psychosomatics 2014; 55:205-206. [PMID: 24075123 DOI: 10.1016/j.psym.2013.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2013] [Revised: 07/21/2013] [Accepted: 07/22/2013] [Indexed: 06/02/2023]
Affiliation(s)
- Kenneth C Nash
- Department of Psychiatry, Western Psychiatric Institute and Clinic, University of PittsburghPittsburgh, PA
| | - Sheena M Kelemen
- Department of Psychiatry, Western Psychiatric Institute and Clinic, University of PittsburghPittsburgh, PA
| | - Priya Gopalan
- Department of Psychiatry, Western Psychiatric Institute and Clinic, University of PittsburghPittsburgh, PA
| | - Pierre N Azzam
- Department of Psychiatry, VA Boston Healthcare System, Harvard Medical School, Boston, MA
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Stowell KR, Ghinassi FA, Fabian TJ, Nash KC, Haskett RF. Best practices: an intervention to promote evidence-based prescribing at a large psychiatric hospital. Psychiatr Serv 2009; 60:294-6. [PMID: 19252040 DOI: 10.1176/ps.2009.60.3.294] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An intervention to affect prescribing behavior was implemented at a large psychiatric hospital. Articles providing support for appropriate dosing of quetiapine were distributed to physicians, and peer discussions about prescribing practices were held. From April 2005 through December 2006, low-dose quetiapine prescriptions (<or=200 mg per day) were flagged. For four months, physicians writing low-dose prescriptions received personal feedback from the unit medical director, who encouraged appropriate alternatives. New low-dose prescriptions fell from 107 in July 2005 to 23 in December 2006. Monthly costs for quetiapine prescriptions declined by approximately $8,000. The intervention appeared to bring physicians' behavior more in line with evidence-based practices.
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Affiliation(s)
- Keith R Stowell
- Department of Psychiatry, Western Psychiatric Institute and Clinic and theUniversity of Pittsburgh School of Medicine, Pittsburgh, PA 15213-2593, USA
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Steinbach P, Nash KC, Spilotro SL. Home care and hospice residencies: enhancing care and exchanging knowledge. Caring 1996; 15:20-4. [PMID: 10158219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- P Steinbach
- Community Nursing Service West, Oak Park, IL, USA
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Frommelt AA, Nash KC, Imm RF, Heath JW. Survey of Iowa dentists--report. Iowa Dent J 1984; 70:19, 21. [PMID: 6595244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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