- Late-onset osteosarcoma after onychectomy in a cat. [Case Reports]
- JOJFMS Open Rep 2019 Jan-Jun; 5(1):2055116919842394
- A 12-year-old neutered male onychectomized Ragdoll cat presented for a 3 day history of swelling and hemorrhagic purulent discharge on the first digit of the left manus. Radiographs revealed fragment…
A 12-year-old neutered male onychectomized Ragdoll cat presented for a 3 day history of swelling and hemorrhagic purulent discharge on the first digit of the left manus. Radiographs revealed fragments of the third phalangeal bone (P3) present in the partially amputated digits with swelling adjacent to the P3 fragment on the first digit of the left manus. Thoracic radiographs revealed no evidence of primary or metastatic neoplasia. Surgery was performed to remove all P3 fragments and the associated swelling on the diseased digit. On gross examination of the excised swelling, a mass was present at the cut edge of P3. The bone fragment and associated mass were submitted for histopathological evaluation. Osteosarcoma was diagnosed. Because neoplastic cells extended to the surgical margins, amputation of the left thoracic limb was performed. The cat recovered from surgery, and survival time at the time of writing was 8 months.
- Common feline problem behaviors: Destructive scratching [Journal Article]
- JFJ Feline Med Surg 2019; 21(3):235-243
- While scratching is a normal, beneficial behavior for cats, it can create problems when cats scratch objects owners deem as inappropriate. However, if veterinarians make suitable recommendations from…
While scratching is a normal, beneficial behavior for cats, it can create problems when cats scratch objects owners deem as inappropriate. However, if veterinarians make suitable recommendations from the first veterinary visit, owners will be able to implement effective preventive strategies to develop good scratching patterns for life. Educating owners as to why cats scratch, how to guide cats to scratch only on desirable surfaces (ie, a scratching post), which types of scratching posts are preferred by most cats, the benefits of pheromone products, as well as other strategies to avoid destructive scratching, helps to preserve the cat-owner bond and reduces the risk of relinquishment.
- Pain and adverse behavior in declawed cats. [Journal Article]
- JFJ Feline Med Surg 2018; 20(4):280-288
- Objectives The aim of this study was to assess the impact of onychectomy (declawing) upon subsequent development of back pain and unwanted behavior in cohorts of treated and control cats housed in tw…
Objectives The aim of this study was to assess the impact of onychectomy (declawing) upon subsequent development of back pain and unwanted behavior in cohorts of treated and control cats housed in two different locations. Methods This was a retrospective cohort study. In total, there was 137 declawed and 137 non-declawed cats, of which 176 were owned cats (88 declawed, 88 non-declawed) and 98 were shelter cats (49 declawed and 49 non-declawed). All cats were physically examined for signs of pain and barbering. The previous 2 years of medical history were reviewed for documented unwanted behavior such as inappropriate elimination and biting with minimal provocation and aggression. All declawed cats were radiographed for distal limb abnormalities, including P3 (third phalanx) bone fragments. The associations of declaw surgery with the outcomes of interest were examined using χ2 analysis, two sample t-tests and manual, backwards, stepwise logistic regression. Results Significant increases in the odds of back pain (odds ratio [OR] 2.9), periuria/perichezia (OR 7.2), biting (OR 4.5) and barbering (OR 3.06) occurred in declawed compared with control cats. Of the 137 declawed cats, 86 (63%) showed radiographic evidence of residual P3 fragments. The odds of back pain (OR 2.66), periuria/perichezia (OR 2.52) and aggression (OR 8.9) were significantly increased in declawed cats with retained P3 fragments compared with those declawed cats without. Optimal surgical technique, with removal of P3 in its entirety, was associated with fewer adverse outcomes and lower odds of these outcomes, but operated animals remained at increased odds of biting (OR 3.0) and undesirable habits of elimination (OR 4.0) compared with non-surgical controls. Conclusions and relevance Declawing cats increases the risk of unwanted behaviors and may increase risk for developing back pain. Evidence of inadequate surgical technique was common in the study population. Among declawed cats, retained P3 fragments further increased the risk of developing back pain and adverse behaviors. The use of optimal surgical technique does not eliminate the risk of adverse behavior subsequent to onychectomy.
- Perceptions and opinions of Canadian pet owners about anaesthesia, pain and surgery in small animals. [Journal Article]
- JSJ Small Anim Pract 2017; 58(7):380-388
- CONCLUSIONS: This study identified important areas of client communication regarding pain and its control in pets.
- Digital flexor musculotendinous contracture in two Devon Rex cats. [Case Reports]
- JFJ Feline Med Surg 2017; 19(3):304-310
- Clinical summary: A 13-year-old, spayed Devon Rex with unilateral digital flexor musculotendinous contracture of the forelimb was treated by surgical tenotomy. The condition improved transiently, but…
Clinical summary: A 13-year-old, spayed Devon Rex with unilateral digital flexor musculotendinous contracture of the forelimb was treated by surgical tenotomy. The condition improved transiently, but recurred rapidly and became bilateral. Histopathologic analysis of necropsy tissues resulted in a morphologic diagnosis of fibromyositis of the antebrachial muscles causing contracture and flexural deformity of the carpi and phalanges of both thoracic limbs. A search for similar cases yielded the clinical notes of a second cat, a 10-year-old, spayed Devon Rex, also with bilateral disease. This second case responded well to surgical tenotomy but tissue biopsies were not obtained to permit microscopic assessment of the underlying pathologic process. Relevance and novel information: Acquired and permanent contracture of the digital flexor muscles and/or tendons of the forelimbs is a rare and poorly described condition of cats. The very limited number of documented cases describing disease affecting one or more digits (but not the carpus) infers a causal link with onychectomy, but reported histopathologic changes have been limited to the tendons. The two cases described in this report suffered contracture of the carpus and all digits bilaterally, one without previous onychectomy and the other 9 years after onychectomy. There were novel histopathologic findings in the muscles of the one case for which biopsy material was available. Information gained from these two cases provides a new perspective for the investigation and treatment of future cases. Specifically, consideration should be given to an underlying immune-mediated myopathic process and a possible genetic predisposition in the Devon Rex breed. Currently, the poorly understood etiopathogenesis hinders our ability to definitively recommend treatment options, which might include corticosteroids and other forms of immunosuppressive therapy.
- Pilot evaluation of a novel unilateral onychectomy model and efficacy of an extended release buprenorphine product. [Randomized Controlled Trial]
- BVBMC Vet Res 2017 Jan 24; 13(1):32
- CONCLUSIONS: This study demonstrates that SC administration of ER-Bup may be an effective analgesic for a 72 h period postoperatively. Furthermore, landing onto a PSW from an elevated perch may be a useful and efficient way to assess analgesics in cats using a unilateral model of limb pain.
- Evaluation of injectable robenacoxib for the treatment of post-operative pain in cats: results of a randomized, masked, placebo-controlled clinical trial. [Journal Article]
- BVBMC Vet Res 2016 Sep 29; 12(1):215
- CONCLUSIONS: Robenacoxib by s.c. injection was effective and well tolerated in the control of post-operative pain associated with orthopedic, ovariohysterectomy and castration surgery in cats.
- Feline onychectomy: Current practices and perceptions of veterinarians in Ontario, Canada. [Journal Article]
- CVCan Vet J 2016; 57(9):969-75
- The objective of the study was to determine the proportion of practitioners from Ontario, Canada who perform onychectomy, identify the techniques utilized, and obtain practitioners views on the proce…
The objective of the study was to determine the proportion of practitioners from Ontario, Canada who perform onychectomy, identify the techniques utilized, and obtain practitioners views on the procedure. An anonymous survey was distributed to Ontario Veterinary Medical Association members. Mann-Whitney U-tests were used to compare responses of opinion questions related to declawing between respondents who indicated they perform declawing procedures and those who do not. Of 500 respondents, 75.8% reported performing onychectomy, with 60.1% of those reporting performing the procedure less than monthly and 73.3% only performing the procedure after recommending alternatives. Statistically significant differences were found between those who do and those who do not perform onychectomy for perception of procedural pain, concept of mutilation, perception of procedural necessity for behavior modification or prevention of euthanasia, and support of province-wide procedural bans.
- Telephone survey to investigate relationships between onychectomy or onychectomy technique and house soiling in cats. [Journal Article]
- JAJ Am Vet Med Assoc 2016 Sep 15; 249(6):638-43
- CONCLUSIONS: AND CLINICAL RELEVANCE Results of this cross-sectional study suggested that use of the CDL technique for onychectomy could decrease the risk of house soiling by cats relative to the risk associated with other techniques. This and other findings can be used to inform the decisions of owners and veterinarians when considering elective onychectomy for cats.
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- Survey of practices and perceptions regarding feline onychectomy among private practitioners. [Journal Article]
- JAJ Am Vet Med Assoc 2016 Aug 01; 249(3):291-8
- CONCLUSIONS: AND CLINICAL RELEVANCE Onychectomy is a controversial topic, and this was reflected in survey results. In this sample, most veterinarians performing the procedure reported that they did so infrequently, and most offered nonsurgical alternatives to the procedure.