Publications by authors named "Michele A Steffey"

Objective: To describe the clinical characteristics, treatments, complications, and outcomes in dogs with nasal planum squamous cell carcinoma (SCC) undergoing local treatment.

Methods: A retrospective, multi-institutional study was performed. Medical records were searched to identify dogs diagnosed with nasal planum SCC.

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Article Synopsis
  • The study focuses on assessing the risk of pathologic fractures in dogs with primary bone tumors in the distal radius to improve treatment selection.
  • Previous research linked the strength of canine antebrachii with bone tumors to CT-derived metrics, revealing key structural factors like rigidity and failure forces.
  • Among 19 dogs evaluated, 8 developed fractures, and the study found that torsional rigidity (Fc) was the most effective metric in predicting fracture occurrence, suggesting that body weight should also be considered in fracture risk assessments.
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Objective: To report the complications and outcomes associated with thoracoscopic cranial mediastinal mass resection in dogs.

Animals: 49 client-owned dogs that underwent thoracoscopic cranial mediastinal mass removal.

Methods: This was a retrospective cohort study (January 1, 2014, to July 31, 2023), and the medical records of 49 client-owned dogs that underwent thoracoscopic cranial mediastinal mass removal were reviewed.

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Objective: To report technical feasibility and describe procedural details of a novel single incision minimally invasive approach to the mediastinum in cadaver dogs.

Study Design: Cadaveric study.

Animals: Large breed (25-40 kg) cadaver dogs (n = 10).

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Objective: To report the clinical characteristics, treatments, and outcomes in a cohort of dogs with histologically confirmed retroperitoneal sarcoma (RPS) and to identify potential variables of prognostic significance.

Animals: 46 client-owned dogs from 10 clinics with histopathologic diagnosis of a sarcoma originating from the retroperitoneal space.

Methods: Medical records were retrospectively reviewed to obtain information regarding clinical characteristics, treatments, and outcomes.

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Objective: To report the short- and long-term outcomes of laparoscopic adrenalectomy (LA) for resection of unilateral adrenal masses and to document risk factors for conversion and peri- and postoperative morbidity.

Animals: 255 client-owned dogs.

Methods: Dogs were included if LA was attempted for resection of a unilateral adrenal mass.

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Burnout is a work-related syndrome of physical and emotional exhaustion secondary to prolonged, unresolvable occupational stress. Individuals of different demographic cohorts may have disparate experiences of workplace stressors and burnout impacts. Healthcare organizations are adversely affected by burnt out workers through decreased productivity, low morale, suboptimal teamwork, and potential impacts on the quality of patient care.

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Chronic workplace stress and burnout are serious problems in veterinary medicine. Although not classified as a medical condition, burnout can affect sleep patterns and contributes to chronic low grade systemic inflammation, autonomic imbalance, hormonal imbalances and immunodeficiencies, thereby increasing the risks of physical and psychological ill health in affected individuals. Cultural misconceptions in the profession often lead to perceptions of burnout as a personal failure, ideas that healthcare professionals are somehow at lower risk for suffering, and beliefs that affected individuals can or should somehow heal themselves.

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Background: Sleep insufficiency is a worldwide affliction with serious implications for mental and physical health. Occupational factors play a large role in determining sleep habits. Healthcare workers are particularly susceptible to job-mediated sleep insufficiency and inadequate rest in general.

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Background: Despite substantial ramifications of insufficient sleep on mental and physical health and general well-being, many individuals are unaware of what constitutes sufficient sleep, or of the short- and long-term extent of sleep deficiency effects, including those that may not be perceived as fatigue.

Objectives And Procedures: This review describes the physiology of sleep, defines healthy standards, reviews the pathophysiology and health hazards of acute and chronic sleep insufficiency, and offers concepts for improving individual sleep hygiene. Online databases were searched to extract literature pertaining to sleep, sleep insufficiency, fatigue, and health, with emphasis on literature published in the preceding 5 years.

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Objective: This review discusses the scientific evidence regarding effects of insufficient rest on clinical performance and house officer training programs, the associations of clinical duty scheduling with insufficient rest, and the implications for risk management.

Study Design: Narrative review.

Methods: Several literature searches using broad terms such as "sleep deprivation," "veterinary," "physician," and "surgeon" were performed using PubMed and Google scholar.

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Objectives: To describe the diagnostic techniques, surgical treatments, and outcomes of two cats with recurrent pleural transudate caused by urinary ultrafiltrate.

Animals: Two cats without evidence of trauma, urinary tract obstruction, or concurrent perinephric pseudocysts that were evaluated and treated for recurrent pleural transudate caused by urinary ultrafiltrate.

Study Design: Short case series.

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Sex steroids regulate bone metabolism directly and indirectly through receptors on bone. Estrogen receptors (ER-∝, ER-β), progesterone receptor (PR), and androgen receptor (AR), have been previously identified on human osteosarcoma (OSA) cells, and are considered to influence tumor growth, but their expression and role in canine OSA is unknown. The aim of this study was to characterize sex hormone receptor expression levels in naturally occurring OSA tissue and in three canine OSA cell lines.

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Background: Limited information currently exists regarding the clinical progression and outcomes of cats that undergo choledochal stenting as a treatment for extrahepatic biliary obstruction (EHBO).

Hypothesis/objectives: Describe clinical characteristics, indications for choledochal stent placement, procedure, and outcomes in a cohort of cats undergoing choledochal stenting and evaluate risk factors associated with survival as well as recurrence of EHBO in affected cats.

Animals: Twenty-three client-owned cats undergoing choledochal stent placement.

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Objective: To describe and compare onset and intensity of thoracic duct (TD) coloration in healthy dogs after intrahepatic injection of either indocyanine green (ICG) visualized by intraoperative near-infrared fluorescence lymphography (NIRFL) or direct thoracoscopic visualization of methylene blue dye (MB).

Study Design: Prospective study.

Animals: Healthy adult Beagle dogs (n = 5).

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Article Synopsis
  • - An 8-year-old male cat was evaluated for a year-long facial swelling, showing persistent issues despite antibiotic and steroid treatments, leading to further investigation through CT and rhinoscopy.
  • - Imaging revealed an aggressive mass in the nasal cavities and frontal sinuses, prompting a biopsy and removal of thick material from the nasal cavity, which indicated possible neoplastic or inflammatory conditions.
  • - Following surgical intervention and medical therapy, the cat experienced significant improvement in facial structure and returned to normal behavior, highlighting the potential for recovery even in complex cases of facial distortion.
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Objective: To describe academic rank, gender, surgical career length, and publication record of academic veterinary surgeons and to estimate the association between gender and higher academic rank.

Study Design: Cross-sectional study.

Sample: Residency-trained surgeons at US veterinary schools in 2019.

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Background: Lower urinary tract transitional cell carcinoma (TCC) is an important but rarely described disease of cats.

Objectives: To report the clinical characteristics, treatments, and outcomes in a cohort of cats with lower urinary tract TCC and to test identified variables for prognostic relevance.

Animals: One-hundred eighteen client-owned cats with lower urinary tract carcinoma.

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Objective: To evaluate the diagnostic and therapeutic utility of bronchoscopy in dogs undergoing computed tomography (CT) and surgery for intrathoracic disease (pyothorax and pneumothorax) secondary to migrating plant awns (MPA) and to report outcomes in dogs that did and did not undergo bronchoscopy in addition to CT and surgery.

Study Design: Retrospective case series.

Animals: Thirty-seven client-owned dogs.

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Objective: To evaluate reporting of surgical complications and other adverse events in clinical research articles describing soft tissue and oncologic surgery in dogs and cats.

Study Design: Systematic literature review.

Sample: English-language articles describing soft tissue and oncologic surgeries in client-owned dogs and cats published in peer-reviewed journals from 2013 to 2016.

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Objective: To describe surgical technique, biopsy sample quality, and short-term outcome of minimally invasive small intestinal exploration and targeted abdominal organ biopsy (MISIETB) with use of a wound retraction device (WRD) in dogs.

Animals: 27 client-owned dogs that underwent MISIETB with a WRD at 1 of 4 academic veterinary hospitals between January 1, 2010, and May 1, 2017.

Procedures: Medical records were retrospectively reviewed, and data collected included signalment; medical history; findings from physical, ultrasonographic, laparoscopic, cytologic, and histologic evaluations; surgical indications, procedures, duration, and complications; and short-term (14-day) outcomes.

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Objective: To report intraoperative and major postoperative complications in dogs treated surgically for epiglottic retroversion (ER), compare the incidence of major postoperative complications between procedures, and report survival of surgically treated dogs.

Study Design: Multi-institutional retrospective study.

Sample Population: Fifty dogs treated with 78 procedures.

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Objective: To report the morbidity and mortality associated with adrenalectomy with cavotomy for resection of invasive adrenal neoplasms in dogs and evaluate risk factors for perioperative outcomes.

Study Design: Retrospective study.

Animals: Forty-five client-owned dogs.

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Objective: To evaluate the effects of intrathoracic insufflation on cardiorespiratory variables and working space in cats undergoing video-assisted thoracic surgery.

Study Design: Prospective randomized study.

Animals: Six healthy cats.

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Objective: To describe a technique for video-assisted thoracoscopic (VATS) thoracic duct ligation (TDL) in normal cats with a bipolar vessel-sealing device and to assess durability of the seal.

Study Design: Prospective case series.

Animals: Six healthy research cats.

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