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Objectives: To determine the association between signalment, selected haematologic and biochemical parameters and referral centre in pet rabbits with imaging evidence of urolithiasis presented to two veterinary teaching hospitals in North America., Materials and Methods: The medical record database of two veterinary teaching hospitals was searched from 2009 to 2019 for records of pet rabbits that received both imaging studies and plasma biochemistry profiles. Information regarding signalment, bodyweight, packed cell volume, total solids, and plasma biochemistry profiles was obtained. Univariable and multivariable logistic regression models were performed to identify statistically significant parameters associated with imaging evidence of urolithiasis., Results: Of the 324 examined rabbits, 33 (10.2%) had confirmed evidence of urolithiasis on imaging. Increasing plasma calcium and sodium concentrations and referral centre were significantly associated with the presence of urolithiasis on the univariable logistic regression model. However, only plasma calcium concentration and the referral centre demonstrated significant associations on the multivariable logistic regression model., Clinical Significance: Results indicate that urolithiasis in pet rabbits that receive imaging is associated with mildly increasing plasma calcium concentration and referral centre. The association with referral centre may indicate there are geographic influences on urolithiasis or on imaging. However, the identified associations have low predictive value for the diagnosis of urolithiasis, indicating the need for additional diagnostic modalities., (© 2021 British Small Animal Veterinary Association.)

A one-year-old African pygmy hedgehog (Atelerix albiventris) was evaluated for severe respiratory distress. Physical examination findings included marked dyspnoea, cyanosis and tachypnoea. Radiographic findings included an enlarged heart and pulmonary oedema, and dilated cardiomyopathy was confirmed via echocardiogram. The patient was treated for congestive heart failure because of dilated cardiomyopathy with furosemide, enalapril, pimobendan and l-carnitine. Within 24 hours of treatment, the pulmonary oedema and cyanosis had resolved. Following discharge, clinical improvement was noted by the owner and echocardiogram confirmed improved fractional shortening. Cardiomyopathy has been reported at post-mortem examination in hedgehogs, but there are no reports of ante-mortem diagnosis and treatment. Performing baseline cardiac assessment in hedgehogs is recommended, and treatment with l-carnitine and pimobendan may improve outcome, as carnitine deficiency is a possible cause of cardiomyopathy in hedgehogs. Successful emergency treatment of congestive heart failure in the hedgehog of this report may be effective for other hedgehogs presented with similar clinical signs., (© 2013 British Small Animal Veterinary Association.)

Objectives: The purpose of the current study was to determine normal radiographic kidney -measurements in pet ferrets., Methods: Kidney length and width dimensions and the length of the second lumbar vertebra (L2) were determined from survey ventrodorsal radiographs in 53 neutered ferrets of various ages, weight and sex, with no evidence of urogenital disease. Kidney dimensions were expressed as a ratio to the body length of L2., Results: All ferrets in this study had six lumbar vertebrae. The median length of L2 was 13·3 mm, and was longer in males than females (P=0·0001). The 95% confidence interval for kidney-length-to-L2 ratios was 2·21 to 2·31 for the right and 2·15 to 2·25 for the left. For the kidney-width-to-L2 ratios these intervals were 1·09 to 1·14 for the right and 1·07 to 1·12 for the left kidney. There was a significant association between kidney size and weight or sex but not with age., Clinical Significance: The results of this radiographic study may allow practitioners to have a more -objective clinical radiographic evaluation of kidney size of pet ferrets based on individual traits., (© 2012 British Small Animal Veterinary Association.)

Objectives: To determine urine specific gravity values in clinically healthy pet ferrets and explore possible associations with sex, sampling techniques, hydration status and urine analytes., Methods: Sixty-nine entire ferrets of both sexes, under one year of age, were included in this study. Physical examination, complete blood count, blood biochemistry, urine microscopy, urine dipstick and urine specific gravity were performed on all ferrets. Urine specific gravity was determined using a handheld urine refractometer. Statistical analysis was performed to determine urine specific gravity value intervals and to test for associations with sex, sample collection method, packed cell volume, plasma total protein concentrations and urine analytes., Results: Urine specific gravity differed by sex in ferrets as females exhibited a lower urine specific gravity (P<0·001). There was no significant correlation between urine specific gravity, sampling method, packed cell volume/total protein and urine dipstick analytes. Mean urine specific gravity reported in this study was 1·051 for entire males (sd ±9; range 1·034 to 1·070) and 1·042 for entire females (sd ±8; range 1·026 to 1·060)., Clinical Significance: Results of this study may allow clinicians to have a more accurate evaluation of the ability of those animals to concentrate urine by comparing their urine specific gravity results to those obtained from this cohort of clinically healthy animals., (© 2012 British Small Animal Veterinary Association.)

A four-year-old, 1·3-kg entire male Holland Lop pet rabbit (Oryctolagus cuniculus) was presented with a two-day history of bilateral epiphora and blepharospasm. Fluorescein staining revealed bilateral medio-ventral corneal ulceration. Initial topical treatment included ophthalmic broad-spectrum antibiotics and artificial tear solutions. Over a six-month period, antibiotics were changed based on corneal culture and sensitivity test results, and periodic corneal debridement was performed. With little to no improvement, and recurrence of the previous clinical signs, surgical intervention was considered but withheld because of individual pet consideration and owner's reluctance. Hydrophilic contact lenses were placed for corneal support but failed and caused a severe ocular response. Corneal collagen shields were placed bilaterally in order to promote corneal healing. Recheck examination performed seven days after placement revealed complete resolution of the ulcer in one eye and major reduction of the corneal ulcer in the contra-lateral eye., (© 2011 British Small Animal Veterinary Association.)