Julien Guevar

Works (15)

Updated: July 25th, 2023 21:15

2023 journal article

Craniectomies for Dogs With Skull Multilobular Osteochondrosarcoma Using the Misonix Bone Scalpel: Cadaveric Evaluation and Retrospective Case Series

TOPICS IN COMPANION ANIMAL MEDICINE, 53.

By: A. Piazza *, J. McAnulty *, P. Early n & J. Guevar*

author keywords: piezoelectric; bone scalpel; osteochondrosarcoma; dog
MeSH headings : Dogs; Animals; Retrospective Studies; Osteosarcoma / diagnosis; Osteosarcoma / veterinary; Skull / surgery; Bone Neoplasms / surgery; Bone Neoplasms / veterinary; Craniotomy / veterinary; Sarcoma / surgery; Sarcoma / veterinary; Dog Diseases / drug therapy
TL;DR: Piezoelectric bone surgery with the Misonix bone scalpel is an alternative technology to perform craniectomies in dogs and was not associated with complications in 3 dogs diagnosed and surgically treated for MLO. (via Semantic Scholar)
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Source: Web Of Science
Added: June 12, 2023

2022 article

Clinical and magnetic resonance imaging features of lymphoma involving the nervous system in cats

Durand, A., Keenihan, E., Schweizer, D., Maiolini, A., Guevar, J., Oevermann, A., & Gutierrez-Quintana, R. (2022, January 20). JOURNAL OF VETERINARY INTERNAL MEDICINE.

By: A. Durand*, E. Keenihan n, D. Schweizer *, A. Maiolini*, J. Guevar*, A. Oevermann *, R. Gutierrez-Quintana *

author keywords: central nervous system; feline; lymphosarcoma; neurolymphomatosis; peripheral nervous system
MeSH headings : Animals; Cat Diseases / diagnostic imaging; Cat Diseases / pathology; Cats; Lymphoma / diagnostic imaging; Lymphoma / pathology; Lymphoma / veterinary; Magnetic Resonance Imaging / veterinary; Retrospective Studies; Spinal Cord / diagnostic imaging; Spinal Cord / pathology
TL;DR: Nervous system lymphoma in cats has a wide range of MRI features, of which none is pathognomonic, but together with clinical data and cerebrospinal fluid (CSF) analysis, MRI may provide a strong tentative antemortem diagnosis. (via Semantic Scholar)
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Source: Web Of Science
Added: February 7, 2022

2022 article

Clinical signs, MRI findings and long-term outcomes of foraminal and far lateral thoracolumbar intervertebral disc herniations in dogs

Silva, S., Guevar, J., Jose-Lopez, R., De Decker, S., Brocal, J., Fuente, C., … Gutierrez-Quintana, R. (2022, March 12). VETERINARY RECORD, Vol. 3.

By: S. Silva *, J. Guevar*, R. Jose-Lopez *, S. De Decker *, J. Brocal *, C. Fuente*, A. Durand*, F. Forterre *, N. Olby n , R. Gutierrez-Quintana *

MeSH headings : Animals; Dog Diseases / diagnostic imaging; Dog Diseases / etiology; Dog Diseases / surgery; Dogs; Intervertebral Disc / diagnostic imaging; Intervertebral Disc / pathology; Intervertebral Disc Displacement / complications; Intervertebral Disc Displacement / diagnostic imaging; Intervertebral Disc Displacement / surgery; Intervertebral Disc Displacement / veterinary; Lameness, Animal / etiology; Lumbar Vertebrae / diagnostic imaging; Magnetic Resonance Imaging / veterinary; Pain / etiology; Pain / veterinary; Retrospective Studies; Thoracic Vertebrae / diagnostic imaging
TL;DR: Although much less frequently recognised than herniation affecting the vertebral canal, foraminal and far lateral thoracolumbar intervertebral disc herniations should be considered in the differential diagnosis list of chondrodystrophic dogs presenting with pain and pelvic limb lameness. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 28, 2022

2021 journal article

Accuracy of three-dimensionally printed animal-specific drill guides for implant placement in canine thoracic vertebrae: A cadaveric study

VETERINARY SURGERY, 50(2), 294–302.

By: C. Mariani n , J. Zlotnick n, O. Harrysson n , D. Marcellin-Little n, K. Malinak n, A. Gavitt n, J. Guevar n

MeSH headings : Animals; Bone Screws / veterinary; Cadaver; Dogs / surgery; Printing, Three-Dimensional; Thoracic Vertebrae / surgery; Tomography, X-Ray Computed / veterinary
TL;DR: 3-D printed drill tracts yielded drill tracts with small linear and angular errors from intended paths and 100% accuracy for placement within vertebral pedicles and bodies may allow safe and accurate implant placement for surgeons with varying experience levels. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: January 19, 2021

2020 journal article

A mutation in MTM1 causes X-Linked myotubular myopathy in Boykin spaniels

Neuromuscular Disorders, 30(5), 353–359.

By: N. Olby n , S. Friedenberg*, K. Meurs n , D. DeProspero n, J. Guevar n, J. Lau  n, O. Yost n, L. Guo *, G. Shelton *

author keywords: Canine; Centronuclear myopathy; Myotubularin myopathy
MeSH headings : Animals; Dogs; Male; Myopathies, Structural, Congenital / genetics; Myopathies, Structural, Congenital / pathology; Myopathies, Structural, Congenital / physiopathology; Pedigree; Phenotype; Protein Tyrosine Phosphatases, Non-Receptor / genetics
TL;DR: The purpose of this study was to report the findings of clinical and genetic evaluation of a 3-month old male Boykin spaniel that presented with progressive weakness that causes a severe form of X-linked myotubular myopathy, comparable to the human counterpart. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, Crossref, ORCID
Added: June 29, 2020

2020 article

Accuracy and safety of three-dimensionally printed animal-specific drill guides for thoracolumbar vertebral column instrumentation in dogs: Bilateral and unilateral designs

VETERINARY SURGERY.

By: J. Guevar*, J. Bleedorn *, T. Cullum*, S. Hetzel*, J. Zlotnick n & C. Mariani n 

MeSH headings : Animals; Bone Screws / veterinary; Cadaver; Dogs / surgery; Lumbar Vertebrae / surgery; Printing, Three-Dimensional / instrumentation; Safety; Thoracic Vertebrae / surgery; Tomography, X-Ray Computed / veterinary
TL;DR: A unilateral drill guide design may be a safe alternative to bilateral guides for unilateral stabilization of the thoracolumbar vertebral column in dogs. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: January 4, 2021

2020 journal article

Minimally invasive microsurgical decompression of an intervertebral disc protrusion in a dog

VETERINARY SURGERY, 49, O86–O92.

By: J. Guevar* & N. Olby n 

MeSH headings : Animals; Decompression, Surgical / methods; Decompression, Surgical / veterinary; Dogs; Intervertebral Disc / pathology; Intervertebral Disc / surgery; Intervertebral Disc Degeneration / surgery; Intervertebral Disc Degeneration / veterinary; Intervertebral Disc Displacement / surgery; Intervertebral Disc Displacement / veterinary; Male; Microsurgery / veterinary; Neurosurgical Procedures / methods; Neurosurgical Procedures / veterinary; Retrospective Studies; Spinal Cord Compression / surgery; Spinal Cord Compression / veterinary; Treatment Outcome
TL;DR: This case provides evidence that minimally invasive microsurgery is an effective treatment for intervertebral disc protrusion in large breed dogs and may offer benefits regarding postoperative pain and functional recovery. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: June 22, 2020

2020 journal article

Minimally invasive spine surgery in dogs: Evaluation of the safety and feasibility of a thoracolumbar approach to the spinal cord

Veterinary Surgery, 49, O76–O85.

By: J. Guevar n, N. Zidan n, A. Durand* & N. Olby n 

MeSH headings : Animals; Dogs / surgery; Feasibility Studies; Female; Male; Minimally Invasive Surgical Procedures / methods; Minimally Invasive Surgical Procedures / veterinary; Orthopedic Procedures / veterinary; Pain, Postoperative / veterinary; Prospective Studies; Plastic Surgery Procedures; Spinal Cord / surgery; Thoracic Vertebrae / surgery; Treatment Outcome
TL;DR: Minimally invasive spine surgery was a safe and feasible technique to access the thoracolumbar vertebral canal and the ventral aspect of the spinal cord in dogs and supported postoperative pain benefits. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, Crossref
Added: February 17, 2020

2020 journal article

Traumatic skull fractures in dogs and cats: A comparative analysis of neurological and computed tomographic features

JOURNAL OF VETERINARY INTERNAL MEDICINE, 34(5), 1975–1985.

By: P. Amengual-Batle*, R. Jose-Lopez *, A. Durand n, M. Czopowicz *, E. Beltran *, J. Guevar n, K. Lazzerini *, S. De Decker * ...

author keywords: canine; computed tomography; feline; skull fractures
MeSH headings : Animals; Cat Diseases / diagnostic imaging; Cats; Dog Diseases / diagnostic imaging; Dogs; Retrospective Studies; Skull / diagnostic imaging; Skull Fractures / diagnostic imaging; Skull Fractures / veterinary; Tomography, X-Ray Computed / veterinary
TL;DR: The cranial vault fractures were associated with neurological deficits and worse survival, and the presence of TSF alone should not be considered a negative prognostic factor because most affected animals survived the first week. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 3, 2020

2018 journal article

A randomized, blinded, prospective clinical trial of postoperative rehabilitation in dogs after surgical decompression of acute thoracolumbar intervertebral disc herniation

Journal of Veterinary Internal Medicine, 32(3), 1133–1144.

By: N. Zidan n, C. Sims n, J. Fenn *, K. Williams  n, E. Griffith n , P. Early n, C. Mariani n , K. Munana n  ...

author keywords: ataxia; gait training; locomotion; plasticity; spinal cord injury
MeSH headings : Animals; Decompression, Surgical / methods; Decompression, Surgical / veterinary; Dog Diseases / surgery; Dogs; Female; Intervertebral Disc Displacement / rehabilitation; Intervertebral Disc Displacement / surgery; Intervertebral Disc Displacement / veterinary; Lumbar Vertebrae / surgery; Male; Postoperative Care / veterinary; Recovery of Function; Thoracic Vertebrae / surgery
TL;DR: Early postoperative rehabilitation after surgery for TL‐IVDH is safe but doesn't improve rate or level of recovery in dogs with incomplete SCI. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018

2018 journal article

Deafness and vestibular dysfunction in a Doberman Pinscher puppy associated with a mutation in the PTPRQ gene

Journal of Veterinary Internal Medicine, 32(2), 665–669.

By: J. Guevar n, N. Olby n , K. Meurs n , O. Yost n & S. Friedenberg *

author keywords: deafness; Doberman Pinscher; genetics; PTPRQ; vestibular disease
MeSH headings : Animals; Dog Diseases / genetics; Dogs; Female; Frameshift Mutation; Hearing Loss / genetics; Hearing Loss / veterinary; Receptor-Like Protein Tyrosine Phosphatases, Class 3 / genetics; Vestibular Diseases / genetics; Vestibular Diseases / veterinary; Whole Genome Sequencing
TL;DR: The identification of a genetic alteration on the PTPRQ gene that is associated with congenital hearing and vestibular disorder in a young Doberman Pinscher dog is reported. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, Crossref, ORCID
Added: August 6, 2018

2018 journal article

Proof of concept of a workflow methodology for the creation of basic canine head anatomy veterinary education tool using augmented reality

PLOS ONE, 13(4).

By: R. Christ*, J. Guevar n, M. Poyade * & P. Rea *

MeSH headings : Animals; Curriculum; Dogs; Education, Veterinary; Image Processing, Computer-Assisted; Imaging, Three-Dimensional; Magnetic Resonance Imaging; Models, Anatomic; Skull / anatomy & histology; Skull / diagnostic imaging; Software; Tomography, X-Ray Computed
TL;DR: This work aimed to create a simple workflow methodology to highlight the simplicity there is in creating a mobile augmented reality application of basic canine head anatomy, and provides an excellent framework for the creation of augmented reality training products for veterinary education. (via Semantic Scholar)
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4. Quality Education (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2018 journal article

The Effect of Electromagnetic Fields on Post-Operative Pain and Locomotor Recovery in Dogs with Acute, Severe Thoracolumbar Intervertebral Disc Extrusion: A Randomized Placebo-Controlled, Prospective Clinical Trial

Journal of Neurotrauma, 35(15), 1726–1736.

By: N. Zidan n, J. Fenn *, E. Griffith n , P. Early n, C. Mariani n , K. Muñana n , J. Guevar n, N. Olby n 

Contributors: N. Zidan n, J. Fenn *, E. Griffith n , P. Early n, C. Mariani n , K. Muñana n , J. Guevar n, N. Olby n 

author keywords: biomarker; GFAP; hemilaminectomy; pain; spinal cord injury
MeSH headings : Animals; Decompression, Surgical; Dog Diseases / therapy; Dogs; Female; Intervertebral Disc Displacement / complications; Intervertebral Disc Displacement / surgery; Lumbar Vertebrae; Magnetic Field Therapy / methods; Male; Pain, Postoperative / etiology; Pain, Postoperative / therapy; Random Allocation; Recovery of Function / radiation effects; Spinal Cord Injuries / etiology; Spinal Cord Injuries / therapy; Thoracic Vertebrae
TL;DR: It is concluded that PEMF reduced incision-associated pain in dogs post-surgery for IVDE and may reduce extent of SCI and enhance proprioceptive placing. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018

2017 article

Incomplete ossification of the atlas in a dog: surgical stabilisation using a SOP plate

Rodino-Tilve, V., Guevar, J., Hammond, G., & Penderis, J. (2017, May). JOURNAL OF SMALL ANIMAL PRACTICE, Vol. 58, pp. 301–301.

By: V. Rodino-Tilve*, J. Guevar n, G. Hammond * & J. Penderis

MeSH headings : Animals; Bone Plates / veterinary; Bone Transplantation / veterinary; Cervical Atlas / pathology; Cervical Atlas / surgery; Dogs / injuries; Dogs / surgery; Humerus / transplantation; Male; Osteogenesis / physiology; Tomography, X-Ray Computed / veterinary
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Ruminant neurological disease: a retrospective cohort study

VETERINARY RECORD, 181(14).

By: L. Giles*, J. Orr *, L. Viora *, R. Gutierrez-Quintana *, D. Logue* & J. Guevar n

MeSH headings : Animals; Cattle; Cattle Diseases / diagnosis; Cattle Diseases / epidemiology; Cattle Diseases / etiology; Cattle Diseases / microbiology; Euthanasia, Animal; Female; Male; Medical Records; Nervous System Diseases / diagnosis; Nervous System Diseases / epidemiology; Nervous System Diseases / microbiology; Nervous System Diseases / veterinary; Retrospective Studies; Ruminants; Scotland / epidemiology; Sheep; Sheep Diseases / diagnosis; Sheep Diseases / epidemiology; Sheep Diseases / etiology; Sheep Diseases / microbiology; Universities
TL;DR: The most frequently diagnosed conditions in ruminants over the 10 years were spastic paresis, vertebral osteomyelitis and listeriosis, which were significantly more likely to present with neurological disorders than adult cattle. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

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