Feline Intervertebral Disc Disease

Farrell, Michael; Fitzpatrick, Noel

doi:10.1002/9781118940372.ch6

Cited by 10 publications

(47 citation statements)

References 32 publications

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“…This difference likely reflects the predisposition of chondrodystrophic dog breeds to Hansen type I IVD disease and the lack of chondrodystrophic cat breeds other than the munchkin, for which IVDH is yet to be reported. The mean age of the cats in our case series (8.6 years) fits within the previously reported range (5.8–9.8 years), with purebred cats being much younger in a study of 31 cats . Male neutered and purebred cats seemed overrepresented among the 6 cats in our study.…”

Section: Discussionsupporting

confidence: 89%

“…Male neutered and purebred cats seemed overrepresented among the 6 cats in our study. A recent review also identified male cats as predisposed to feline IVDH . Furthermore, TL IVDH was recently reported in British shorthairs, and Persians, suggesting a possible breed predisposition, although such predisposition is not substantiated by previous reports .…”

Section: Discussionmentioning

confidence: 94%

“…Feline degenerative intervertebral disc herniation (IVDH) has been previously described, with intervertebral disc protrusion (IVDP) being a common incidental postmortem finding in older cats, especially in the cervical region . By contrast, clinically significant feline IVDH is considered an uncommon presentation of middle‐aged to older cats . The incidence of IVDH is lower in cats (0.02%, 0.12%, and 0.24%) than in dogs (2%).…”

Section: Introductionmentioning

confidence: 98%

“…Although several reports describe the incidence, clinical presentation, imaging features, and clinical outcome of clinically significant feline IVDH, the evidence published on feline IVDH remains limited compared with that for dogs and man. Kathmann et al suggested a higher incidence of IVDH in purebred cats; British shorthairs and Persians were also overrepresented in a retrospective study of 31 cats with thoracolumbar (TL) IVDH .…”

Section: Introductionmentioning

confidence: 99%

“…In dogs, IVDE (Hansen type I IVD disease) may be differentiated from IVDP (Hansen type II IVD disease) with 4 MRI variables; detection of a single IVDH and dispersion of the intervertebral disc (IVD) material beyond the IVD space are indicative of IVDE, whereas a midline IVDH and partial IVD degeneration are associated with the diagnosis of IVDP . Reports in the literature suggest that outcome for surgically treated feline IVDH is good, but no studies have focused specifically on feline IVDE.…”

Section: Introductionmentioning

confidence: 99%

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Clinical presentation, magnetic resonance imaging features, and outcome in 6 cats with lumbar degenerative intervertebral disc extrusion treated with hemilaminectomy

Hamilton‐Bennett

Behr

2019

Veterinary Surgery

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Objective: To describe the clinical presentation, magnetic resonance imaging features, and outcome of cats treated with hemilaminectomy for intervertebral disc extrusion (IVDE). Study design: Short case series.Animals: Six cats. Methods: Medical records were reviewed for signalment, onset, duration, and severity of clinical signs, magnetic resonance imaging features, surgical findings, and clinical outcome with a minimum postoperative follow-up of 4 weeks. Results: Our population included 6 cats with a median age of 8.6 years, consisting predominantly of males (n = 5) and purebred cats (n = 4). An acute onset and short duration of progressive clinical signs of myelopathy was the most common presentation; spinal hyperesthesia was present in 3 cats. A large volume of extradural material was identified by MRI within the lumbar vertebral column of each cat, causing marked spinal cord compression. The most common sites affected were L2-L3 (n = 2) and L6-L7 (n = 2). Follow-up after hemilaminectomy was available in 5 cats: 4 had normal voluntary motor function, and 1 had recurrence of acute paraplegia, compromised nociception, and an extensive T2w hyperintense intramedullary lesion according to MRI. All 4 cats with preoperative urinary incontinence remained incontinent for at least 1 week despite good voluntary motor function of pelvic limbs. Conclusion: Intervertebral disc extrusion was diagnosed by MRI in all 6 cats, most commonly at L2-3 and L6-7. Hemilaminectomy resulted in a good to excellent outcome in 4 of 5 cats. Clinical significance: Feline IVDE can be diagnosed by MRI and carry a good prognosis after surgical decompression, although urinary continence may be delayed despite good pelvic limb voluntary motor function.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 94%