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Publications

To explore Kaiser Permanente Northern California publications search keywords or find by specialty.

*KPNC authors listed in alphabetical order below. For details on author order, click on the link included to the PubMed Abstract

Neurosurgery

Decubitus Myelography for Spinal Extradural Arachnoid Cyst-Better Classified as a Lateral Dural CSF Leak?

Authors: Gutierrez, Adriana; Mamlouk, Mark D; Sedrak, Mark F | Ajnr. American Journal Of Neuroradiology | May 29, 2025 | PubMed abstract

Efficacy of Traditional Epidural Patching versus Patching within Spinal Longitudinal Extradural Collections for Ventral Dural Cerebrospinal Fluid Leaks

Authors: Gutierrez, Adriana; Mamlouk, Mark D; Sedrak, Mark F | Radiology | March 1, 2025 | PubMed abstract

Incidence Rates and Risks for Reoperations for Nonunion and Adjacent Level Disease: Stopping at L1 versus T10/T11/12

Authors: Babhadi, Amir Goodarzi; Fennessy, Jacob H; Kuo, Calvin | Spine | January 22, 2025 | PubMed abstract

Phantom-Enhanced High Mechanical Accuracy for Frame-Based Deep Brain Stimulation

Authors: Anderson, Ross W; Latoff, James; Pezeshkian, Patrick; Sedrak, Mark F; Srivastava, Siddharth | Cureus | August 1, 2024 | PubMed abstract

Primary BAP1-absent atypical meningioma arising from median nerve within infraclavicular brachial plexus: illustrative case

Authors: Nguyen, Tina; Pezeshkian, Patrick; Ring, Adam C; Wu, Adela; Ziskin, Jennifer L | Journal Of Neurosurgery. Case Lessons | July 29, 2024 | PubMed abstract

Are there differences in the reoperation rates for operative adjacent-segment disease between ALIF+PS, PLIF+PS, TLIF+PS, and LLIF+PS? An analysis of a cohort of 5291 patients

Authors: Fennessy, Jacob H; Guppy, Kern H; Kuo, Calvin; Tabaraee, Ehsan; Bains, Ravi S | Journal Of Neurosurgery. Spine | June 1, 2024 | PubMed abstract

Surgical treatment of a giant paraophthalmic aneurysm postfailed flow diversion through endoscopic endonasal approach: Technical nuances and review of the literature

Authors: Duong, Huy T | Surgical Neurology International | January 1, 2024 | PubMed abstract

In Memory of Gary Heit: Pioneer and Humanitarian

Authors: Sedrak, Mark F | Neuromodulation : Journal Of The International Neuromodulation Society | July 15, 2023 | PubMed abstract

Lateral Mass Screws Versus Pedicle Screws at C7 – Reoperation Rates for Adjacent Segment Disease (Operative ASD) and Nonunions (Operative Nonunions) in Posterior Cervical Fusions

Authors: Fennessy, Jacob H; Guppy, Kern H | Spine | July 1, 2023 | PubMed abstract

Bradykinesia and Its Progression Are Related to Interhemispheric Beta Coherence

Authors: Anderson, Ross W | Annals Of Neurology | May 1, 2023 | PubMed abstract

Sex differences in Parkinson disease-associated episodic memory and processing speed deficits

Authors: Wheelock, Vicki L | Journal Of The International Neuropsychological Society : Jins | March 27, 2023 | PubMed abstract

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

Authors: Duong, Huy T | Surgical Neurology International | January 1, 2023 | PubMed abstract

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

Authors: Tse, Victor C | JAMA Oncology | November 17, 2022 | PubMed abstract

Increased risks of vertebral fracture and reoperation in primary spinal fusion patients who test positive for osteoporosis by Biomechanical Computed Tomography analysis

Authors: Guppy, Kern H | The Spine Journal : Official Journal Of The North American Spine Society | November 10, 2022 | PubMed abstract

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

Authors: Guppy, Kern H; Kuo, Calvin | Spine | August 9, 2022 | PubMed abstract

Motion Detection and Correction for Frame-Based Stereotactic Localization

Authors: 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 | Cureus | August 1, 2022 | PubMed abstract

Spontaneous Spinal CSF Leaks Stratified by Age, Body Mass Index, and Spinal Level

Authors: Jun, Peter; Mamlouk, Mark D; Sedrak, Mark F; Shen, Peter Y | Ajnr. American Journal Of Neuroradiology | June 23, 2022 | PubMed abstract

Endoscopic Endonasal Transodontoid Treatment of a Ruptured Anterior Spinal Artery Aneurysm

Authors: Cua, David J; Duong, Huy T | Journal Of Neurological Surgery Reports | April 1, 2022 | PubMed abstract

Stereotactic Localization: From Single-Slice to Multi-Slice Registration Including a Novel Solution for Parallel Bipanels

Authors: Sedrak, Mark F | Cureus | March 1, 2022 | PubMed abstract

Successful frameless radiosurgery for glossopharyngeal neuralgia – Case report

Authors: Chen AY; Pappas C | PubMed abstract

Risk of Distal Embolization From tPA (Tissue-Type Plasminogen Activator) Administration Prior to Endovascular Stroke Treatment

Authors: 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 | PubMed abstract

New surgical paradigm for open neural tube defects

Authors: Moes GS; Zovickian J | PubMed abstract

Developing a Spinal CSF Leak Program in a Multihospital Network

Authors: Jun P; Kanter JR; Mamlouk MD; Ochi RP; Sedrak MF; Shen PY | PubMed abstract

Operative Nonunion Rates in Posterolateral Lumbar Fusions: Analysis of a Cohort of 2591 Patients from a National Spine Registry

Authors: Guppy KH; Moller DJ; Suen PW | PubMed abstract

No difference in reoperation rates for nonunions (operative nonunions) in posterior cervical fusions stopping at C7 versus T1/2: a cohort of 875 patients

Authors: Fennessy JH; Guppy KH | PubMed abstract

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

Authors: Guppy KH; Moller DJ; Suen PW | PubMed abstract

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

Authors: Fennessy JH; Guppy KH | PubMed abstract

Does Impaired Glymphatic Drainage Cause Glymphedema? A Review Tailored to Neurocritical Care and Neurosurgery

Authors: Akins PT; Guppy KH | PubMed abstract

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

Authors: Guppy KH | PubMed abstract

Does the use of preoperative bisphosphonates in patients with osteopenia and osteoporosis affect lumbar fusion rates? Analysis from a national spine registry

Authors: Guppy KH | PubMed abstract

Impact of Chronic DMARD therapy in Patients with Rheumatoid Arthritis undergoing Surgery of the Craniovertebral Junction: A Multi-center Retrospective Study

Authors: Guppy KH | PubMed abstract

Lumbar Spine Fusion Patients See Similar Improvements in Physical Activity Level to Non-Spine Fusion Patients Following Total Hip Arthroplasty

Authors: Guppy KH; Hinman AD; Kuo C | PubMed abstract

CT-guided Fibrin Glue Occlusion of Cerebrospinal Fluid-Venous Fistulas

Authors: Mamlouk MD; Sedrak MF; Shen PY | PubMed abstract

Spontaneous Intracranial Hypotension in the Critical Patient

Authors: Mamlouk MD; Sedrak MF; Shen PY | PubMed abstract

Lack of progression of beta dynamics after long-term subthalamic neurostimulation

Authors: Anderson RW | PubMed abstract

Novel Geometries for Stereotactic Localizers

Authors: Sedrak MF | PubMed abstract

The V-Localizer for Stereotactic Guidance

Authors: Sedrak MF | PubMed abstract

Double blind randomized controlled trial of deep brain stimulation for obsessive-compulsive disorder: Clinical trial design

Authors: Bernstein IP; Sedrak MF | PubMed abstract

Monte Carlo Simulation of Errors for N-localizer Systems in Stereotactic Neurosurgery: Novel Proposals for Improvements

Authors: Sedrak MF | PubMed abstract

CSF Otorrhea: A Rare Presentation of Spinal Myxopapillary Ependymoma

Authors: Efron AD | PubMed abstract

Resection of Olfactory Groove Meningiomas Through Unilateral vs. Bilateral Approaches: A Systematic Review and Meta-Analysis

Authors: Efron AD; Reddy AV | PubMed abstract

Coordinate Systems for Navigating Stereotactic Space: How Not to Get Lost

Authors: Sedrak MF; Srivastava S | PubMed abstract

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

Authors: Sedrak MF | PubMed abstract

Applied Mathematics of Ray Tracing and Perspective Projection in Fiducial-Based Registration of X-Ray Images

Authors: Sedrak MF | PubMed abstract

Outcomes of a Multicenter, Prospective, Crossover, Randomized Controlled Trial Evaluating Subperception Spinal Cord Stimulation at ≤1.2 kHz in Previously Implanted Subjects

Authors: Sedrak MF | PubMed abstract

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