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https://www.readbyqxmd.com/read/29364032/feline-primary-erythrocytosis-a-multicentre-case-series-of-18-cats
#1
Hannah Darcy, Katherine Simpson, Isuru Gajanayake, Mayank Seth, Yvonne McGrotty, Balazs Szladovits, Barbara Glanemann
Case series summary A retrospective multicentre case series of feline primary erythrocytosis (PE) was evaluated. The aim was to gain better understanding of disease presentation and progression to guide management and prognostication. Case records were assessed for evidence of increased packed cell volume (PCV; >48%), sufficient investigation to rule out relative and secondary erythrocytosis, and follow-up data for at least 12 months or until death. Eighteen cats were included in the case series. No significant trends in signalment were noted...
January 1, 2018: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29237452/molecular-cloning-and-characterization-of-the-family-of-feline-leucine-rich-glioma-inactivated-lgi-genes-and-mutational-analysis-in-familial-spontaneous-epileptic-cats
#2
Yoshihiko Yu, Daisuke Hasegawa, Aki Fujiwara-Igarashi, Yuji Hamamoto, Shunta Mizoguchi, Takayuki Kuwabara, Michio Fujita
BACKGROUND: Leucine-rich glioma-inactivated (LGI) proteins play a critical role in synaptic transmission. Dysfunction of these genes and encoded proteins is associated with neurological disorders such as genetic epilepsy or autoimmune limbic encephalitis in animals and human. Familial spontaneous epileptic cats (FSECs) are the only feline strain and animal model of familial temporal lobe epilepsy. The seizure semiology of FSECs comprises recurrent limbic seizures with or without evolution into generalized epileptic seizures, while cats with antibodies against voltage-gated potassium channel complexed/LGI1 show limbic encephalitis and recurrent limbic seizures...
December 13, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29093718/selective-limbic-blood-brain-barrier-breakdown-in-a-feline-model-of-limbic-encephalitis-with-lgi1-antibodies
#3
Anna R Tröscher, Andrea Klang, Maria French, Lucía Quemada-Garrido, Sibylle Maria Kneissl, Christian G Bien, Ákos Pákozdy, Jan Bauer
Human leucine-rich glioma-inactivated protein 1 encephalitis (LGI1) is an autoimmune limbic encephalitis in which serum and cerebrospinal fluid contain antibodies targeting LGI1, a protein of the voltage gated potassium channel (VGKC) complex. Recently, we showed that a feline model of limbic encephalitis with LGI1 antibodies, called feline complex partial seizures with orofacial involvement (FEPSO), is highly comparable to human LGI1 encephalitis. In human LGI1 encephalitis, neuropathological investigations are difficult because very little material is available...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29037435/feline-epilepsy
#4
REVIEW
Heidi Barnes Heller
Seizures occur commonly in cats and can be classified as idiopathic epilepsy, structural epilepsy, or reactive seizures. Pursuit of a diagnosis may include a complete blood count, serum biochemistry, brain MRI, and cerebrospinal fluid analysis as indicated. Antiepileptic drugs should be considered if a cat is having frequent seizures, or any 1 seizure longer than 5 minutes. Phenobarbital is often the drug of choice; however, levetiracetam may be more useful for certain types of epilepsy in cats. Long-term prognosis depends on the underlying diagnosis and response to therapy...
January 2018: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/28966357/feline-meningoencephalomyelitis-of-unknown-origin-a-retrospective-analysis-of-16-cases
#5
Arianna Negrin, Sarah Spencer, Giunio Bruto Cherubini
This study aimed to describe the signalment, clinical signs, magnetic resonance imaging (MRI) findings, cerebrospinal fluid (CSF) analysis, treatment, and outcome of feline meningoencephalomyelitis of unknown origin (FMUO). Medical records from 16 cats meeting the inclusion criteria of CSF pleocytosis, negative CSF polymerase chain reaction (PCR)-infectious disease results, and characteristic MRI findings were retrospectively reviewed. Median age was 9.4 years. Clinical signs included ataxia, proprioceptive deficits, seizures, and spinal hyperesthesia...
October 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/28720302/clinical-reasoning-in-feline-epilepsy-which-combination-of-clinical-information-is-useful
#6
Gabriela-Dumitrita Stanciu, Rowena Mary Anne Packer, Akos Pakozdy, Gheorghe Solcan, Holger Andreas Volk
We sought to identify the association between clinical risk factors and the diagnosis of idiopathic epilepsy (IE) or structural epilepsy (SE) in cats, using statistical models to identify combinations of discrete parameters from the patient signalment, history and neurological examination findings that could suggest the most likely diagnosis. Data for 138 cats with recurrent seizures were reviewed, of which 110 were valid for inclusion. Seizure aetiology was classified as IE in 57% and SE in 43% of cats. Binomial logistic regression analyses demonstrated that pedigree status, older age at seizure onset (particularly >7years old), abnormal neurological examinations, and ictal vocalisation were associated with a diagnosis of SE compared to IE, and that ictal salivation was more likely to be associated with a diagnosis of IE than SE...
July 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28613179/unsupervised-learning-of-spike-patterns-for-seizure-detection-and-wavefront-estimation-of-high-resolution-micro-electrocorticographic-mu-ecog-data
#7
Yilin Song, Yao Wang, Jonathan Viventi
For the past few years, we have developed flexible, active, and multiplexed recording devices for high resolution recording over large, clinically relevant areas in the brain. While this technology has enabled a much higher-resolution view of the electrical activity of the brain, the analytical methods to process, categorize, and respond to the huge volumes of seizure data produced by these devices have not yet been developed. In this paper, we proposed an unsupervised learning framework for spike analysis, which by itself reveals spike pattern...
September 2017: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28606140/imepitoin-is-well-tolerated-in-healthy-and-epileptic-cats
#8
RANDOMIZED CONTROLLED TRIAL
Odilo Engel, Thilo von Klopmann, Arianna Maiolini, Jessica Freundt-Revilla, Andrea Tipold
BACKGROUND: Epilepsy in the cat is a serious medical condition. To date there are no licensed treatments for feline epilepsy and no well-controlled clinical studies on the efficacy or safety of antiepileptic drugs in cats. The aim of this study was to collect tolerability data and first exploratory efficacy data of imepitoin in both healthy and epileptic cats. RESULTS: In two tolerability studies, 30 healthy cats received imepition twice daily in doses of 0, 30, 40 or 80 mg/kg bodyweight for 30 days...
June 12, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28605962/novel-approach-to-magnetic-resonance-imaging-of-epileptic-dogs-t2-relaxometry-of-the-brain-with-emphasised-hippocampus
#9
Borbála A Lorincz, Agustina Anson, Péter Csébi, Gábor Bajzik, Gergely Biró, Alexander Tichy, Balázs B Lorincz, Rita Garamvölgyi
Hippocampal sclerosis is the most common imaging finding of intractable human epilepsy, and it may play an important role in canine and feline epileptogenesis and seizure semiology, too. The magnetic resonance imaging (MRI) criteria of hippocampal sclerosis are T2 hyperintensity, shrinkage and loss of internal structure. The detection of these changes is often challenging by subjective visual assessment of qualitative magnetic resonance (MR) images. The recognition is more reliable with quantitative MR methods, such as T2 relaxometry...
June 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28382749/feline-temporal-lobe-epilepsy-review-of-the-experimental-literature
#10
REVIEW
S Kitz, J G Thalhammer, U Glantschnigg, M Wrzosek, A Klang, P Halasz, M N Shouse, A Pakozdy
Accumulating evidence suggests that epileptic seizures originating from the temporal lobe (TL) occur in cats. Typically, affected animals have clinically focal seizures with orofacial automatisms including salivation, facial twitching, lip smacking, chewing, licking, and swallowing. Motor arrest and autonomic and behavioral signs also may occur. Many affected cats have magnetic resonance imaging (MRI) changes within the hippocampus or histopathologically confirmed hippocampal sclerosis or necrosis. From the 1950s to the 1980s, cats frequently were used as animal models for neurophysiological experiments and electrophysiological studies, from which important basic knowledge about epilepsy originated, but which has been rarely cited in clinical veterinary studies...
May 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/27515840/magnetic-resonance-features-of-the-feline-hippocampus-in-epileptic-and-non-epileptic-cats-a-blinded-retrospective-multi-observer-study
#11
Anne Christine Claßen, Sibylle Kneissl, Johann Lang, Alexander Tichy, Akos Pakozdy
BACKGROUND: Hippocampal necrosis in cats has been reported to be associated with epileptic seizures. Magnetic resonance imaging (MRI) features of temporal lobe (TL) abnormalities in epileptic cats have been described but MR images from epileptic and non-epileptic individuals have not yet been systematically compared. TL abnormalities are highly variable in shape, size and signal, and therefore may lead to varying evaluations by different specialists. The aim of this study was to investigate whether there were differences in the appearance of the TL between epileptic and non-epileptic cats, and whether there were any relationships between TL abnormalities and seizure semiologies or other clinical findings...
August 11, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27145746/imaging-diagnosis-magnetic-resonance-imaging-findings-in-a-cat-with-systemic-reactive-angioendotheliomatosis
#12
Amy E Schkeeper, Jill Narak, Richard Weiss
A 10-year-old, castrated male domestic short-haired cat was presented with an acute history of seizures, lethargy, anorexia, vomiting, and dyspnea. Magnetic resonance imaging of the brain showed multifocal areas of gray matter T2-weighted hyperintensity. The lesions did not enhance with intravenous contrast. The cat was diagnosed at necropsy with feline systemic reactive angioendotheliomatosis, a rare vascular proliferative disorder for which a treatment has not yet been identified. This report is the first to describe associated magnetic resonance imaging changes for this disease...
March 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27052436/diagnostic-techniques-to-detect-the-epileptogenic-zone-pathophysiological-and-presurgical-analysis-of-epilepsy-in-dogs-and-cats
#13
REVIEW
Daisuke Hasegawa
The use and availability of magnetic resonance imaging (MRI) and other neurosurgical devices is rapidly increasing in the field of veterinarian medicine. Coincident with these technological advances, there is an increased expectation to treat drug resistant epilepsy in dogs and cats by epilepsy surgery. However, the presurgical evaluation of epileptic animals, by using methodologies to detect the epileptogenic zone for example, have yet to become established in common practice. The epileptogenic zone, defined as the minimum amount of cortex to produce seizure freedom, consists of five conceptual cortical abnormal 'zones': symptomatogenic, irritative, seizure-onset, structurally abnormal (epileptogenic lesion) and functional deficit...
September 2016: Veterinary Journal
https://www.readbyqxmd.com/read/26783020/outbreak-of-thiamine-deficiency-in-cats-associated-with-the-feeding-of-defective-dry-food
#14
Ya-Pei Chang, Po-Yu Chiu, Chung-Tien Lin, I-Hsuan Liu, Chen-Hsuan Liu
Objectives The objective of this study was to determine disease progression, association between neurological signs and magnetic resonance imaging (MRI) findings, and long-term outcome in feline thiamine deficiency associated with defective dry food. Methods The clinical records of 17 cats diagnosed with thiamine deficiency related to a defective dry food were examined and data collected. The thiamine level in the food was analysed by liquid chromatography-tandem mass spectrometry. Results The thiamine level in the food was below the recommendation of the National Research Council...
April 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/26690830/levetiracetam-in-the-management-of-feline-audiogenic-reflex-seizures-a-randomised-controlled-open-label-study
#15
Mark Lowrie, Sarah Thomson, Claire Bessant, Andrew Sparkes, Robert J Harvey, Laurent Garosi
Objectives Currently, there are no published randomised, controlled veterinary trials evaluating the efficacy of antiepileptic medication in the treatment of myoclonic seizures. Myoclonic seizures are a hallmark of feline audiogenic seizures (FARS). Methods This prospective, randomised, open-label trial compared the efficacy and tolerability of levetiracetam (20-25 mg/kg q8h) with phenobarbital (3-5 mg/kg q12h) in cats with suspected FARS that experienced myoclonic seizures. Cats were included that had ⩾12 myoclonic seizure days during a prospective 12 week baseline period...
February 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/26623376/intravenous-lipid-emulsion-and-dexmedetomidine-for-treatment-of-feline-permethrin-intoxication-a-report-from-4-cases
#16
G Ceccherini, F Perondi, I Lippi, G Grazia, V Marchetti
Four cases of feline permethrin intoxication are described. The cause of intoxication is the application of canine permethrin spot-on product (Advantix®, Bayer) by the owners. Principal clinical guidelines recommends the use of anticonvulsant drugs to treat seizures or neurological symptoms after initial stabilization and dermal decontamination. The use of lipid emulsion had an increasing interest in the last decade for treatment of toxicosis caused by lipophylic drugs as reported in human and in veterinary medical practices...
2015: Open Veterinary Journal
https://www.readbyqxmd.com/read/26343530/in-vivo-models-of-cortical-acquired-epilepsy
#17
REVIEW
Sylvain Chauvette, Sara Soltani, Josée Seigneur, Igor Timofeev
The neocortex is the site of origin of several forms of acquired epilepsy. Here we provide a brief review of experimental models that were recently developed to study neocortical epileptogenesis as well as some major results obtained with these methods. Most of neocortical seizures appear to be nocturnal and it is known that neuronal activities reveal high levels of synchrony during slow-wave sleep. Therefore, we start the review with a description of mechanisms of neuronal synchronization and major forms of synchronized normal and pathological activities...
February 15, 2016: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/26314300/international-veterinary-epilepsy-task-force-consensus-proposal-outcome-of-therapeutic-interventions-in-canine-and-feline-epilepsy
#18
Heidrun Potschka, Andrea Fischer, Wolfgang Löscher, Ned Patterson, Sofie Bhatti, Mette Berendt, Luisa De Risio, Robyn Farquhar, Sam Long, Paul Mandigers, Kaspar Matiasek, Karen Muñana, Akos Pakozdy, Jacques Penderis, Simon Platt, Michael Podell, Clare Rusbridge, Veronika Stein, Andrea Tipold, Holger A Volk
Common criteria for the diagnosis of drug resistance and the assessment of outcome are needed urgently as a prerequisite for standardized evaluation and reporting of individual therapeutic responses in canine epilepsy. Thus, we provide a proposal for the definition of drug resistance and partial therapeutic success in canine patients with epilepsy. This consensus statement also suggests a list of factors and aspects of outcome, which should be considered in addition to the impact on seizures. Moreover, these expert recommendations discuss criteria which determine the validity and informative value of a therapeutic trial in an individual patient and also suggest the application of individual outcome criteria...
2015: BMC Veterinary Research
https://www.readbyqxmd.com/read/26234889/gm1-gangliosidosis-in-a-japanese-domestic-cat-a-new-variant-identified-in-hokkaido-japan
#19
Hiroshi Ueno, Osamu Yamato, Takeshi Sugiura, Moeko Kohyama, Akira Yabuki, Kenjiro Miyoshi, Kazuya Matsuda, Tsuyoshi Uchide
A male Japanese domestic cat with retarded growth in Hokkaido, Japan, showed progressive motor dysfunction, such as ataxia starting at 3 months of age and tremors, visual disorder and seizure after 4 months of age. Finally, the cat died of neurological deterioration at 9 months of age. Approximately half of the peripheral blood lymphocytes had multiple abnormal vacuoles. Magnetic resonance imaging showed bisymmetrical hyperintensity in the white matter of the parietal and occipital lobes in the forebrain on T2-weighted and fluid-attenuated inversion recovery images, and mild encephalatrophy of the olfactory bulbs and temporal lobes...
January 2016: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/26215252/feline-hippocampal-and-piriform-lobe-necrosis-as-a-consequence-of-severe-cluster-seizures-in-two-cats-in-finland
#20
Sara Fors, Sofie Van Meervenne, Janis Jeserevics, Mindaugas Rakauskas, Sigitas Cizinauskas
Feline hippocampal and piriform lobe necrosis (FHN) has been reported from several countries worldwide and is considered an important aetiology for feline epileptic seizures. The aetiology of FHN remains unclear, however it is suspected that FHN might occur secondary to intense epileptic activity as described in humans and dogs although this has not yet been documented in cats. The purpose of our report is to describe the first cases of FHN in Finland diagnosed by magnetic resonance imaging (MRI) and histopathology...
July 28, 2015: Acta Veterinaria Scandinavica
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