Neuro Journals Flashcards
Chen VS 2023 - Detailed anatomic description of the lateral, transzygomatic approach to the middle fossa and rostral brainstem and its use in three dogs
Which muscles are dissected off the zygomatic arch? What nerve is in close proximity?
What are the two surgical landmarks defined in the paper on the lateral aspect of the brain?
What was the most common minor complication?
Temporalis, masseter muscles. Auriculopalpebral branch of facial nerve
Upside down T - intersection of the lateral rhinal sulcus and pseudosylvian fissure
U - sylvian and caudal composite gyri
Ipsilateral facial nerve paralysis (transient)
Koch JFMS 2023 - Outcome and quality of life after intracranial meningioma surgery in cats
For how many days did owners report improvement?
Preoperative clinical signs resolved in what % of cats?
240 days
95%
De Strobel JSAP 2019 - Cervical hyperaesthesia in dogs: an epidemiological retrospective study of 185 cases
What were the two most common causes of cervical hyperaesthesia?
IVDE and SRMA
Planchamp VS 2022 - Determination of cutoff values on computed tomography and magnetic resonance images for the diagnosis of atlantoaxial instability in small-breed dogs
What was the cut off values for the ventral compression index (in flexed >25 degrees and extended <25 degrees)?
How do you measure the VCI?
0.2 - flexed
0.16 - extended
White VS 2019 - Flexed radiographic angles for determination of atlantoaxial instability in dogs
What measurement was found to be diagnostic for AA in flexed radiographs?
What angle were the necks flexed to?
Atlas to axis angle (intersecting lines between roof of canal of C1 & C2) >10 degrees = 90% sensitivity and 90% specificity for AA instability.
51 degrees
Planchamp VCOT 2021 - Influence of the head neck position on imaging measurements used to assess the craniovertebral junction in small breed dogs: A cadaveric study
What was the main finding?
What was the recommended head-neck position?
All measurements varied with head and neck position
50%
Kim JSAP 2020 - Atlantoaxial bands in small breed dogs: influence of external pressure by the endotracheal tube tie
What was the main finding?
Higher compression ratios were found with the tie placement regardless of neck position.
Toni JSAP 2020 - Atlanto-axial ventral stabilisation using 3D-printed patient-specific drill guides for placement of bicortical screws in dogs
What % of bicortical screws were fully contained with the pedicle and vertebral body?
What % had reversible periop adverse events?
93%
42%
Lee JSAP 2020 - Decompressive surgery for treatment of a dorsal compressive atlantoaxial band causing nonambulatory tetraparesis in three toy-breed dogs
What approach was performed for the decompressive surgery?
What surgery was performed?
Dorsal
Excision of the dorsal compressive AA band and durotomy
Beishuizen VS 2021 - Biomechanical effects of a titanium intervertebral cage as a stand-alone device, and in combination with locking plates in the canine caudal cervical spine
What biomechanical effects did the placement of the cage result in?
What is the implant called?
What biomechanical effect did the application of plates have?
Increased disc height index and restored total ROM to the level of the native cervical spine
SynCage
Reduced the total ROM in flexion/extension and lateral bending
Mateo VS 2020 - Median manubriotomy for ventral access to the caudal cervical and cranial thoracic spine
What vertebral bodies were consistently visualised after this approach?
How was the median manubriotomy closure performed?
What major vessels will be visualised upon entrance to the thoracic inlet?
C6 - T2
Closure using circumferential ligatures/wire placed through both sides of the manubrium via pre-drilled transverse holes.
Common carotid a., right subclavian, internal thoracic, internal and external jugular, right and left brachiocephalic trunk
Reints Bok VS 2019 - Instrumented cervical fusion in nine dogs with caudal cervical spondylomyelopathy
What % of dogs pain and neuro scores improved?
What % of dogs had implant failure and which implant was affected?
What was the most common complication?
100%, 100%
44% (4/9)
Adjacent segment disease associated with implants engaging adjacent discs (78%)
Tuan VS 2019 - Ventral distraction-stabilisation in 5 continuous sites for the treatment of cervical spondylomyelopathy in a Great Dane
What implant was used?
Custom-designed Fitz intervertebral traction screws and polyaxial spinal system used.
Zindl VCOT 2021 - Kinematics of a Novel Canine Cervical Fusion System
Describe the features of this system.
Why major flaw was identified?
Locking pedicle screw-rod system and intervertebral spacer
High percentage of screws penetrated the spinal canal/intervertebral foramen - only 4/24 perfectly positioned.
Bonelli JAVMA 2019 - Neurologic and magnetic resonance imaging features of German Shepherd Dogs with cervical spondylomyelopathy
What ‘type’ or anatomical features of CSM did GSD exhibit?
Osseous proliferation of the articular processes and ligamentum flavum hypertrophy
Argent JSAP 2022 - Recurrence of signs consistent with cervical intervertebral disc extrusion in dogs
Recurrence was observed in what % of cases?
After surgery, which discs were most likely to be affected?
34%
Adjacent disc
Ros JAVMA 2022 - Central cord syndrome: clinical features, etiological diagnosis, and outcome in 74 dogs
What is central cord syndrome?
Which segment of the spinal cord is most likely to be affected?
What % of cases had a favourable outcome?
What presenting sign was associated with a poor outcome?
Patients show more severe paresis in the thoracic limbs (TLs) than pelvic limbs (PLs) - TH look like they have LMN signs
C1 - 5
94%
Hypoventilation
Kang VS 2023 - Accuracy of a 3-dimensionally printed custom endoscopy port for minimally invasive ventral slot decompression in dogs: A cadaveric study
What size ventral slot did the 3d guide allow for?
<1/2 vertebral width and <1/3 vertebral length
Kikuchi JAVMA 2023 - Vertebral fixation does not affect recovery or recurrence of cervical intervertebral disc herniation in small dogs (< 15 kg)
What factors were associated with a poorer recovery?
What factor was associated with an increased likelihood of recurrence?
Non-chondrodystrophic dogs, higher preop cervical myelopathy grade
Increasing age
Tichenor JAVMA 2023 - Characteristics and outcomes for 61 cats that underwent either surgery or stereotactic radiotherapy as treatment for intracranial meningioma (2005–2017)
What was main finding?
What tx group were more prone to peritreatment complications?
Surgical cats had a significant longer MST (1345d) than SRT cats (339d)
No difference in tumour regrowth
Sx
Shinn VS 2021 - Feasibility and accuracy of 3D printed patient-specific skull contoured brain biopsy guides
What was the recorded accuracy for the biopsy guide for needle placement?
within 4.5mm
Bruckner VS 2020 - Laparoscopic repositioning of an obstructed ventriculoperitoneal shunt catheter with laparoscopy-assisted partial omentectomy and omentopexy
What laparoscopy cases CANNOT have insufflation if a VPS catheter has been placed?
Laparoscopy can only be performed with insufflation if the VPS system contains a valve, otherwise can only perform without insufflation and avoiding Trendelenburg position.
Kent JFMS 2020 - A lateral approach to the feline cerebellar fossa: case report and identification of an external landmark for the tentorium ossium
What is the external landmark?
The external landmark is defined by a line where the caudal aspect of the convexity of the cranium transitions to a flat surface in the caudal aspect of the temporal fossa.
Kouno JFMS 2020 - Surgical treatment of rostrotentorial meningioma complicated by foraminal herniation in the cat
What was the overall tumour excision rate?
What was the mean survival time?
90%
612 days
Martin JFMS 2019 - Comparison of medical and/or surgical management of 23 cats with intracranial empyema or abscessation
What was the difference in MST between medical and surgical cases?
No stat. difference - MST surgical 730d, medical 183d
Duncan JAVMA 2021 - Transorbital craniectomy for treatment of frontal lobe and olfactory bulb neoplasms in two dogs
Describe the approach
Left supraorbital skin incision, reflection of the frontalis and temporalis muscles laterally, orbital ligament transection and retraction of the globe w. a malleable retractor
GENERAL ANATOMY
What are the 3 longitudinal muscular systems?
Which ones extend from the cranium to the lumbar region and which one doesn’t?!
Transversospinalis, longissimus and iliocostalis
T and L
Iliocostalis arises at level of thoracic vertebrae
Tsai JFMS 2022 - Assessment of the cutaneous trunci muscle reflex in healthy cats: comparison of results acquired by clinicians and cat owners
What was the main finding of this paper and what are the clinical applications/repercussions?
Cutaneous trunci reflex was elicited more reliably by owners at home, indicating stress may impact the reflex.
Foss JFMS 2021 - Assessment of the cutaneous trunci reflex in neurologically healthy cats
What method of c.trunci assessment was more reliable?
Haemostatic forceps
Paushter JFMS 2020 - Assessment of the cutaneous trunci muscle reflex in neurologically abnormal cats
What % of normal cats did not exhibit a c.trunci?
35%
Paper argues that c.trunci is not useful
Pappacella-Beugger VCOT 2024 - Spinal Neuronavigation for Lumbar Plate Fixation in Miniature Breed Dogs
What % of screws were placed appropriately?
What was the median entry deviation and exit deviation?
85%
1.8mm, 1.6mm
Bresciani VS 2021 - Lumbosacral intervertebral disk extrusions in 13 dogs
What were the most common clinical signs associated with LS IVDE?
What % of dogs had an excellent outcome?
Acute/subacute onset of LS pain and nerve root signature
Neuro deficits in 54% (only!)
85%
Lichtenhahn VS 2020 - Evaluation of L7-S1 nerve root pathology with low-field MRI in dogs with lumbosacral foraminal stenosis
What MRI finding was most reliable when looking for nerve root pathology?
Loss of foraminal fat signal (if present, 88% had nerve root pathology)