Publications by authors named "Wanda Gordon-Evans"

Background: While limited information is available, it is possible that high or low sub-bandage pressures cause injury with external coaptation. Fiberglass casting tape is a common splinting material that is custom made for the first bandage and reused in subsequent bandage changes. The aim of this preliminary study was to determine sub-bandage pressure changes in canine hindlimbs between initial splint placement and replacement of the bandage by a different person.

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Objective: Phase 1: to determine the feasibility of desensitizing ventral branches of spinal nerves within the rectus sheath using an ultrasound-guided rectus sheath block (USRSB). Phase 2: to determine the effect of preoperative USRSB on intraoperative responses to surgical stimulation and postoperative pain.

Study Design: Cadaveric study and prospective, randomized, blinded, parallel-arm clinical trial.

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Objective: To identify small animal surgery (SAS) residency program factors associated with board examination pass rates for the American College of Veterinary Surgeons (ACVS) board certification examinations.

Study Design: Online survey.

Sample Population: Program directors of ACVS-registered SAS residency programs.

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Objective: To determine the lifetime cost of 3 treatments for canine hip osteoarthritis: (1) conservative management, (2) femoral head and neck excision (FHNE), or (3) total hip replacement. We hypothesized that FHNE would be the least expensive treatment at all ages.

Sample: Cost estimates from 11 private and academic referral centers from 8 randomly chosen cities across the US.

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Objective: The adverse effects of intra-abdominal pressure from capnoperitoneum on cardiovascular and pulmonary systems have been well documented, but the effects on portal pressures in dogs with various insufflation pressures is poorly defined. The aim of the present study was to measure the effect of a range of insufflation pressures on the portal pressure, using direct pressure measurements in patients undergoing laparoscopy.

Study Design: Clinical randomized prospective study.

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Article Synopsis
  • The study aimed to compare the pain relief and side effects of two pain management methods in dogs after limb amputation: bupivacaine liposome injectable solution (BLIS) and a combination of 0.5% bupivacaine with fentanyl.
  • Conducted as a randomized double-blind trial with 40 dogs, the research evaluated pain, sedation, and nausea at various time points post-surgery.
  • Results showed that BLIS offered similar pain relief with fewer side effects compared to the fentanyl method, suggesting it could reduce opioid use after surgery.
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Objective: To explore relationships between 9-axis inertial measurement unit (IMU) output and activities of varying intensity in dogs of various sizes.

Animals: 20 healthy, agility course-trained dogs of various ages and sizes.

Procedures: Height, weight, body condition score, age, length from IMU to the ischium, and height of IMU to the floor were recorded.

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Objective: To measure the mitral annulus in dogs. Our hypothesis was that mitral measurement would be possible and consistent among observers using CT.

Sample: Thoracic CT scans of dogs without known heart disease.

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Article Synopsis
  • The center of mass (CoM) is the point in a dog's body where mass is evenly distributed, significantly influencing balance and movement, yet this concept is not well-explored in canine studies.
  • This study aimed to assess the CoM variance in different breeds of client-owned dogs and examine how it relates to their physical dimensions and data from an inertial measurement unit (IMU) placed on a neck collar.
  • Findings showed that the average CoM could be calculated in three planes (transverse, sagittal, and dorsal) and indicated that dog length is crucial for understanding the relationship between the CoM and other measurable variables, suggesting that normalization methods based on CoM might improve data consistency in future dog studies.
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Zygomatic salivary gland disease is not commonly reported in dogs and there is a paucity of literature reporting salivary gland disease secondary to infarction in dogs. A 9-year-old German wirehaired pointer presented with left eye exophthalmos, 3rd eyelid elevation, negative retropulsion, and pain upon opening of the mouth. Computed tomography revealed a mass extending from the left zygomatic salivary gland, consistent with a sialocele.

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  • The study aimed to assess the feasibility of using left external jugular vein grafts as an alternative to the left subclavian artery in modified Blalock-Thomas-Taussig shunts for dogs of various sizes.
  • In the cadaveric study, the length and diameter of vessels from dog cadavers of different weight categories were measured, showing that the external jugular vein was significantly longer than the subclavian artery.
  • The findings suggest that external jugular vein grafts could be a viable option for mBTTS due to their comparable diameter and longer length across different dog sizes.
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  • The study aimed to evaluate how pericardial effusions (fluid around the heart) in dogs are managed, comparing conservative and surgical options for various causes.
  • A systematic review of 641 articles found that most were case studies or retrospective series, with generally low quality evidence and inconsistent outcome measures.
  • The conclusion highlights the need for better quality research, like randomized controlled trials, to determine the best treatment approach for pericardial effusion in dogs and improve comparability across studies.
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There is evidence that perfusing the heart with a heart and lung machine is less injurious than cross-clamping the aorta and administering cardioplegia during cardiac surgery. Although mitral valve replacement has been carried out without aortic cross-clamping and cardioplegia, it has been stated that cross-clamping is necessary in order to maintain visualization and a motionless surgical field for mitral valve repair. The purpose of this study was to determine the surgical feasibility of mitral valve repair without cross-clamping the aorta and using cardioplegia.

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Introduction:  Current sports medicine textbooks suggest German Shepherd dogs leave a forelimb on the ground longer than other breeds for support because of angulated joints eliminating a true suspension phase (support trot). The objective of this study was to characterize the trot of healthy, adult German Shepherd dogs and describe morphometric relationships. The hypothesis was that all German Shepherd dogs have a standard trot that does not correlate with morphometric measurements.

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Objectives:  The aim of this study was to determine the mean carpal extension angles in dogs participating in the A-frame and hurdle jumps, and to determine if the use of a carpal brace changed the carpal extension angle.

Study Design:  Data from 13 healthy agility dogs were included. Approximately 1 cm square adhesive tape markers placed on both forelimbs served as anatomic landmarks for carpal angle measurement.

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Objectives: Recently, a bupivacaine liposome injectable suspension (BLIS) became commercially available in the veterinary market that may provide local analgesia for 72 h. The purpose of this study was to compare a BLIS incisional block with a control protocol in cats after ovariohysterectomy (OHE). The hypothesis was that a BLIS block would provide equivalent pain relief.

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Objective: To determine the impact of obesity on postoperative recovery from thoracolumbar hemilaminectomy in dachshunds treated with rehabilitation.

Study Design: Prospective observational trial.

Animals: Thirty-two dachshunds with thoracolumbar intervertebral disk disease and pain perception.

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Objective: To determine the association of a radiographic score derived from tibial plateau angle (TPA) and femoral anteversion (FAA) with an outcome of cranial cruciate ligament deficiency (CCLD) in large dogs.

Study Design: Cross-sectional study.

Animals: 167 Labrador Retrievers.

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The objective of this study was to subjectively evaluate the harvest of two areas of adipose collection and three areas of bone marrow collection as potential sites for clinical harvest of adipose stromal vascular fraction (SVF) and bone marrow concentrate for clinical use by quantifying the amount of tissue harvested, subjective ease of harvest, the variation of each site, and determining the cell surface marker characteristics using commercially available antibodies. Bone marrow and adipose tissue samples were collected from 10 adult mixed breed dogs. Adipose tissue was collected from the caudal scapular region and falciform fat ligament.

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Objective: To determine the risk factors for meniscal disease and diagnostic accuracy of physical examination in dogs with cranial cruciate ligament (CCL) deficiency.

Study Design: Prospective cohort study.

Animals: Stifles (n = 80) of dogs with CCL deficiency.

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Objective: To describe 2 minimally invasive approaches to the spinal canal for treatment of intervertebral disc disease and compare their efficacy to conventional hemilaminectomy.

Study Design: Experimental; randomized, controlled design.

Animals: Canine cadavers (n = 10; 5 small and 5 large dogs).

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Article Synopsis
  • The study compared the 1-year outcomes of two surgical treatments—lateral fabellar suture stabilization (LFS) and tibial plateau leveling osteotomy (TPLO)—for dogs with cranial cruciate ligament disease, involving 80 dogs randomly assigned to each procedure.
  • Results showed that dogs who underwent TPLO had greater peak vertical force during walking and trotting, indicating better physical performance, although both groups showed overall improvement in pain and function.
  • Owner satisfaction was notably higher for TPLO, with 93% of owners rating their satisfaction at 9 or above, compared to 75% of those with dogs that had LFS, suggesting TPLO may be the better option for surgery in these cases.*
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Objectives: To evaluate the efficacy of pulsed signal therapy (PST) in reducing pain and increasing function in dogs with osteoarthritis (OA) using a randomized, blinded, controlled clinical trial.

Study Design: Randomized, controlled, blinded clinical trial.

Animals: Adult dogs (n = 60) with moderate-to-severe clinical signs of OA.

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