​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​KPNC Authored Publications​, 2020 to December​ 2023


In Memory of Gary Heit: Pioneer and Humanitarian [PubMed Abstract] Sedrak, Mark F | 7/15/2023 | Neuromodulation : Journal Of The International Neuromodulation Society

Lateral Mass Screws Versus Pedicle Screws at C7 - Reoperation Rates for Adjacent Segment Disease (Operative ASD) and Nonunions (Operative Nonunions) in Posterior Cervical Fusions [PubMed Abstract] Fennessy, Jacob H; Guppy, Kern H | 7/1/2023 | Spine

Bradykinesia and Its Progression Are Related to Interhemispheric Beta Coherence [PubMed Abstract] Anderson, Ross W | 5/1/2023 | Annals Of Neurology

Sex differences in Parkinson disease-associated episodic memory and processing speed deficits [PubMed Abstract] Wheelock, Vicki L | 3/27/2023 | Journal Of The International Neuropsychological Society : Jins

External carotid artery-radial artery-vertebral artery bypass for surgical treatment of radiculopathy caused by an extracranial vertebral artery aneurysm: A case report and review of the literature [PubMed Abstract] Duong, Huy T | 1/1/2023 | Surgical Neurology International

Association of Autologous Tumor Lysate-Loaded Dendritic Cell Vaccination With Extension of Survival Among Patients With Newly Diagnosed and Recurrent Glioblastoma: A Phase 3 Prospective Externally Controlled Cohort Trial [PubMed Abstract] Tse, Victor C | 11/17/2022 | JAMA Oncology

Increased risks of vertebral fracture and reoperation in primary spinal fusion patients who test positive for osteoporosis by Biomechanical Computed Tomography analysis [PubMed Abstract] Guppy, Kern H | 11/10/2022 | The Spine Journal : Official Journal Of The North American Spine Society

Are Octogenarians at Higher Risk of Complications After Elective Lumbar Spinal Fusion Surgery? Analysis of a Cohort of 7,880 patients from the Kaiser Permanente Spine Registry [PubMed Abstract] Guppy, Kern H; Kuo, Calvin | 8/9/2022 | Spine

Motion Detection and Correction for Frame-Based Stereotactic Localization [PubMed Abstract] Anderson, Ross W; Balster, Keegan; Bernstein, Ivan P; Bruce, Diana; Call, Elena S; Khandhar, Suketu M; Pezeshkian, Patrick; Sedrak, Mark F; Srivastava, Siddharth; Yecies, Derek W | 8/1/2022 | Cureus

Spontaneous Spinal CSF Leaks Stratified by Age, Body Mass Index, and Spinal Level [PubMed Abstract] Jun, Peter; Mamlouk, Mark D; Sedrak, Mark F; Shen, Peter Y | 6/23/2022 | Ajnr. American Journal Of Neuroradiology

Endoscopic Endonasal Transodontoid Treatment of a Ruptured Anterior Spinal Artery Aneurysm [PubMed Abstract] Cua, David J; Duong, Huy T | 4/1/2022 | Journal Of Neurological Surgery Reports

Stereotactic Localization: From Single-Slice to Multi-Slice Registration Including a Novel Solution for Parallel Bipanels [PubMed Abstract] Sedrak, Mark F | 3/1/2022 | Cureus

Risk of Distal Embolization From tPA (Tissue-Type Plasminogen Activator) Administration Prior to Endovascular Stroke Treatment [PubMed Abstract] Avins AL; Chan S; Cullen SP; Eaton A; Edwards NJ; Flint AC; Hsu DP; Klingman JG; Nguyen-Huynh MN; Rao VA; Reddy AV; Uong S | |

New surgical paradigm for open neural tube defects [PubMed Abstract] Moes GS; Zovickian J | |

Developing a Spinal CSF Leak Program in a Multihospital Network [PubMed Abstract] Jun P; Kanter JR; Mamlouk MD; Ochi RP; Sedrak MF; Shen PY | |

Lumbar Spine Fusion Patients See Similar Improvements in Physical Activity Level to Non-Spine Fusion Patients Following Total Hip Arthroplasty [PubMed Abstract] Guppy KH; Hinman AD; Kuo C | |

Outcomes of a Multicenter, Prospective, Crossover, Randomized Controlled Trial Evaluating Subperception Spinal Cord Stimulation at ≤1.2 kHz in Previously Implanted Subjects [PubMed Abstract] Sedrak MF | |

Applied Mathematics of Ray Tracing and Perspective Projection in Fiducial-Based Registration of X-Ray Images [PubMed Abstract] Sedrak MF | |

Subthalamic nucleus deep brain stimulation with a multiple independent constant current-controlled device in Parkinson's disease (INTREPID): a multicentre, double-blind, randomised, sham-controlled study [PubMed Abstract] Sedrak MF | |

Coordinate Systems for Navigating Stereotactic Space: How Not to Get Lost [PubMed Abstract] Sedrak MF; Srivastava S | |

Resection of Olfactory Groove Meningiomas Through Unilateral vs. Bilateral Approaches: A Systematic Review and Meta-Analysis [PubMed Abstract] Efron AD; Reddy AV | |

CSF Otorrhea: A Rare Presentation of Spinal Myxopapillary Ependymoma [PubMed Abstract] Efron AD | |

Monte Carlo Simulation of Errors for N-localizer Systems in Stereotactic Neurosurgery: Novel Proposals for Improvements [PubMed Abstract] Sedrak MF | |

Double blind randomized controlled trial of deep brain stimulation for obsessive-compulsive disorder: Clinical trial design [PubMed Abstract] Bernstein IP; Sedrak MF | |

The V-Localizer for Stereotactic Guidance [PubMed Abstract] Sedrak MF | |

Novel Geometries for Stereotactic Localizers [PubMed Abstract] Sedrak MF | |

Lack of progression of beta dynamics after long-term subthalamic neurostimulation [PubMed Abstract] Anderson RW | |

Spontaneous Intracranial Hypotension in the Critical Patient [PubMed Abstract] Mamlouk MD; Sedrak MF; Shen PY | |

CT-guided Fibrin Glue Occlusion of Cerebrospinal Fluid-Venous Fistulas [PubMed Abstract] Mamlouk MD; Sedrak MF; Shen PY | |

Successful frameless radiosurgery for glossopharyngeal neuralgia - Case report [PubMed Abstract] Chen AY; Pappas C | |

Impact of Chronic DMARD therapy in Patients with Rheumatoid Arthritis undergoing Surgery of the Craniovertebral Junction: A Multi-center Retrospective Study [PubMed Abstract] Guppy KH | |

Does the use of preoperative bisphosphonates in patients with osteopenia and osteoporosis affect lumbar fusion rates? Analysis from a national spine registry [PubMed Abstract] Guppy KH | |

PLF vs PLIF and the fate of L5-S1: Analysis of Operative Nonunion Rates among 3065 Patients with Lumbar Fusions from a Regional Spine Registry [PubMed Abstract] Guppy KH | |

Does Impaired Glymphatic Drainage Cause Glymphedema? A Review Tailored to Neurocritical Care and Neurosurgery [PubMed Abstract] Akins PT; Guppy KH | |

No Difference in Reoperation Rates for Adjacent Segment Disease (Operative ASD) in Posterior Cervical Fusions Stopping at C7 versus T1/T2: A cohort of 875 Patients - Part 1 [PubMed Abstract] Fennessy JH; Guppy KH | |

PLF+PS or ALIF+PS: Which has a Lower Operative Nonunion Rate? Analysis of a Cohort of 2,061 patients from a National Spine Registry [PubMed Abstract] Guppy KH; Moller DJ; Suen PW | |

No difference in reoperation rates for nonunions (operative nonunions) in posterior cervical fusions stopping at C7 versus T1/2: a cohort of 875 patients [PubMed Abstract] Fennessy JH; Guppy KH | |

Operative Nonunion Rates in Posterolateral Lumbar Fusions: Analysis of a Cohort of 2591 Patients from a National Spine Registry [PubMed Abstract] Guppy KH; Moller DJ; Suen PW | |

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