JAAHA 57.2 Abstracts

Abstracts from issue 57.2 of JAAHA, Journal of the American Animal Hospital Association.

57.2 MAR/APR 2021

Editor in Chief

Alan H. Rebar, DVM, PhD, DACVP, Purdue University, West Lafayette, Indiana

Associate Editor

Linda Ross, DVM, MS, DACVIM (SAIM), Tufts University, North Grafton, Massachusetts

Managing Editor

Karie Simpson

JAAHA, Journal of the American Animal Hospital Association, is published as an official scientific and educational publication of the American Animal Hospital Association. The purpose of the journal is to publish accurate, timely scientific and technical information pertaining to the practice of small animal medicine and surgery. JAAHA is available in print and online. Log onto jaaha.org for more information. If you are interested in becoming a reviewer for JAAHA, please contact jaaha@aaha.org.

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VETERINARY PRACTICE GUIDELINES

2021 AAHA/AAFP Feline Life Stage Guidelines

Jessica Quimby, Shannon Gowland, Hazel C. Carney, Theresa DePorter, Paula Plummer, Jodi Westropp

The guidelines, authored by a Task Force of experts in feline clinical medicine, are an update and extension of the AAFP–AAHA Feline Life Stage Guidelines published in 2010. The guidelines are published simultaneously in the Journal of Feline Medicine and Surgery (volume 23, issue 3, pages 211–233, DOI: 10.1177/1098612X21993657) and the Journal of the American Animal Hospital Association (volume 57, issue 2, pages 51–72, DOI: 10.5326/JAAHA-MS-7189). A noteworthy change from the earlier guidelines is the division of the cat’s lifespan into a five-stage grouping with four distinct age-related stages (kitten, young adult, mature adult, and senior) as well as an end-of-life stage, instead of the previous six. This simplified grouping is consistent with how pet owners generally perceive their cat’s maturation and aging process, and provides a readily understood basis for an evolving, individualized, lifelong feline healthcare strategy. The guidelines include a comprehensive table on the components of a feline wellness visit that provides a framework for systematically implementing an individualized life stage approach to feline healthcare. Included are recommendations for managing the most critical health-related factors in relation to a cat’s life stage. These recommendations are further explained in the following categories: behavior and environmental needs; elimination; life stage nutrition and weight management; oral health; parasite control; vaccination; zoonoses and human safety; and recommended diagnostics based on life stage. A discussion on overcoming barriers to veterinary visits by cat owners offers practical advice on one of the most challenging aspects of delivering regular feline healthcare.  Read the full article

 

REVIEW ARTICLES

Pituitary Surgery: Changing the Paradigm in Veterinary Medicine in the United States

Rachel Rivenburg, Tina Jo Owen, Linda G. Martin, Annie V. Chen

Medical management is currently the most common treatment for pituitary-dependent hyperadrenocorticism and hypersomatotropism/acromegaly in veterinary medicine. Medical management does not provide a cure for either disease process, and rarely is pituitary imaging a part of initial diagnostics. Early pituitary imaging in animals with clinically functional pituitary tumors provides a baseline assessment, allows monitoring of tumor changes, and permits radiation and surgical planning. Surgery is the only treatment for pituitary tumors that has curative intent and allows for a definitive diagnosis. Surgical removal of pituitary tumors via transsphenoidal hypophysectomy is an effective treatment for clinical pituitary tumors in patients exhibiting endocrine abnormalities associated with pituitary-dependent hyperadrenocorticism and hypersomatotropism. Surgery, however, is rarely pursued until patients have failed medical management, and often not until they are showing neurologic signs, making surgical success challenging. It is well documented that dogs surgically treated when the pituitary mass is small have a lower mortality, a lower recurrence rate, and a longer survival than those with larger pituitary masses. Providing owners with the option of early pituitary imaging in addition to medical, surgical, and radiation treatment options should be the standard of care for animals diagnosed with pituitary-dependent hyperadrenocorticism or hypersomatotropism. Read the full article

ORIGINAL STUDIES

Evaluation of the Effect of Cannabidiol on Naturally Occurring Osteoarthritis-Associated Pain: A Pilot Study in Dogs

Sebastian Mejia, Felix Michael Duerr, Gregg Griffenhagen,
Stephanie McGrath

The objective of this study was to provide preliminary data describing the safety and effect of cannabidiol (CBD) for symptom relief of canine osteoarthritis-associated pain in a clinical setting using objective outcome measures. Twenty-three client-owned dogs with naturally occurring osteoarthritis of appendicular joints completed this prospective, double-blinded, crossover, placebo-controlled study. Baseline data were acquired for 4 wk, followed by random allocation to either placebo or CBD treatment for 6 wk, followed by 6 wk with the opposite treatment. Outcome measures included objective gait analysis, activity counts (via accelerometry) and clinical metrology instruments. There were no differences noted between groups at any time point for any of the recorded outcome measures. Adverse events associated with CBD administration included elevation in liver enzymes (n = 14) and vomiting (n = 2). Read the full article

CASE REPORTS

Surgical Resection of a Parietal Osteoma in a Domestic Ferret Using Advanced Neurosurgical Techniques

Aaron Paushter, Peter Early, Tyler Perkins, Jeffrey Applegate

A 3.5 yr old male neutered ferret presented with progressive enlargement of a right dorsocaudal skull mass that had occurred over 18 mo. Computed tomography imaging revealed a large (2.4 × 2.7 cm), well-defined, pedunculated osseous mass arising from the right parietal bone. Cytology was inconclusive, and surgical biopsy was consistent with an osteoma. Further enlargement of the mass occurred over the next 3 mo, at which time surgical intervention was pursued. The patient recovered well, despite the persistence of a bony defect at the former mass site, and no mass regrowth occurred in the 14 mo following the surgical resection. This is one of only two reports in the literature to document the surgical removal of an osteoma in a ferret, and this is the sole case in which a custom apparatus was fabricated for head stabilization, a multiaxis adjustable surgical table was used to improve access to the surgical site, and an ultrasonic scalpel was used for the mass resection. Read the full article

CASE REPORTS

Successful Treatment of Congenital Lobar Emphysema in Multiple Lung Lobes in an English Bulldog Puppy

Penny J. Regier, Aitor Gallastegui, William F. Craft

A 5 mo old male intact English bulldog was evaluated at a veterinary referral hospital for acute respiratory distress and chronic difficulty breathing. Thoracic radiographs revealed multifocal pulmonary hyperinflation and hyperlucency suspected in the left caudal and accessory lung lobes. A thoracic computed tomography scan identified severe diffuse enlargement of the caudal subsegment of the left cranial lung lobe and the dorsal process of the accessory lung lobe, with parenchymal hypoattenuation, rounded margins, and thin pulmonary vessels. Based on clinical signs and imaging findings, he was diagnosed with suspect congenital lobar emphysema in multiple lung lobes. A median sternotomy was performed, which revealed a hyperinflated, emphysematous left cranial lung lobe (caudal subsegment) and accessory lung lobe for which two lung lobectomies were performed. The remaining lung lobes were small and atelectatic. Histopathology revealed bronchial cartilage hypoplasia and aplasia and findings consistent with congenital lobar emphysema. The puppy recovered well from surgical treatment of congenital lobar emphysema, requiring multiple lung lobectomies, with subsequent computed tomography–evidenced re-expansion of the remaining lung lobes 3 mo after surgery. The patient is still alive 1 yr after surgery with a normal activity level and no evidence of respiratory compromise. Read the full article

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