Sonja S. Tjostheim

ORCID: 0000-0003-1658-7726
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About
Contact & Profiles
Research Areas
  • Cardiovascular Conditions and Treatments
  • Cardiac Arrhythmias and Treatments
  • Atrial Fibrillation Management and Outcomes
  • Congenital Heart Disease Studies
  • Mechanical Circulatory Support Devices
  • Cardiac electrophysiology and arrhythmias
  • Coronary Artery Anomalies
  • Cardiac pacing and defibrillation studies
  • Cardiac Valve Diseases and Treatments
  • Neuropeptides and Animal Physiology
  • Neuroblastoma Research and Treatments
  • Angiogenesis and VEGF in Cancer
  • Neuroscience of respiration and sleep
  • Peptidase Inhibition and Analysis
  • Vascular Anomalies and Treatments
  • Veterinary Pharmacology and Anesthesia
  • Cancer Research and Treatments
  • Pulmonary Hypertension Research and Treatments
  • Veterinary Oncology Research
  • Trypanosoma species research and implications
  • Cardiovascular Function and Risk Factors
  • Cardiac tumors and thrombi
  • Streptococcal Infections and Treatments
  • Diet and metabolism studies
  • Virus-based gene therapy research

University of Wisconsin–Madison
2015-2025

The updated VCOG-CTCAE v2 guidelines contain several important updates and additions since the last update (v1.1) was released in 2011 published within Veterinary Comparative Oncology 2016. As Cooperative Group (VCOG) is no longer an active entity, original authors contributors to v1.0 v1.1 were consulted for input, additional co-authors sought expansion refinement of adverse event (AE) categories. includes expanded neurology, cardiac immunologic AE sections, addition procedural-specific...

10.1111/vco.12677 article EN cc-by-nc-nd Veterinary and Comparative Oncology 2021-01-15

Transcatheter therapeutics have revolutionized treatment of pulmonary valve stenosis (PS). Further understanding PS intervention may help improve outcomes for different species. This study describes characteristics and immediate in children dogs undergoing balloon valvuloplasty (BPV) or transpulmonary stent implantation congenital PS. Multicenter, retrospective review from 2 pediatric 3 veterinary centers. Demographics, procedural characteristics, were assessed. Successful was defined as a...

10.1016/j.jvc.2025.01.001 article EN cc-by-nc-nd Journal of Veterinary Cardiology 2025-01-11

Time-and dose-dependent adverse effects of amiodarone have not been described in cats. The primary aim this retrospective multicenter cohort study was to report the type and frequency clinical biochemical changes cats receiving chronically. secondary survival outcomes population Medical records were reviewed for signalment, arrhythmia diagnosis, presence structural heart disease, systemic comorbidities congestive failure at presentation, dose, serial bloodwork results, events, outcome....

10.3389/fvets.2024.1509425 article EN cc-by Frontiers in Veterinary Science 2025-01-17

Abstract Background Associations of diet with dilated cardiomyopathy are under investigation. Objectives That cardiac assessment would show abnormalities in healthy dogs eating grain‐free (GF) diets or Food and Drug Administration (FDA)‐listed ingredients concern (peas, lentils, potatoes) as top 10 (FDA‐PLP), but not grain‐inclusive (GI) without FDA‐listed (PLP) the (NoFDA‐PLP). Animals One hundred eighty‐eight Doberman Pinschers, Golden Retrievers, Miniature Schnauzers, Whippets. Methods...

10.1111/jvim.16075 article EN cc-by Journal of Veterinary Internal Medicine 2021-02-27

Background Systemic hypertension and proteinuria are established adverse effects of tyrosine kinase inhibitor treatment in people. Objective The objective this study was to investigate changes systolic blood pressure the incidence secondary with toceranib phosphate dogs cancer. Animals Twenty‐six control 30 cancer were evaluated for first part (baseline characteristics). For second (effect treatment), 48 client‐owned evaluated, including 20 28 various types neoplasia. Methods Prospective...

10.1111/jvim.13951 article EN cc-by-nc Journal of Veterinary Internal Medicine 2016-05-06

Abstract OBJECTIVE To describe the clinical presentation and outcome in dogs diagnosed with Trypanosoma cruzi infection nonendemic areas to survey veterinary cardiologists North America for Chagas disease awareness. ANIMALS 12 client-owned dogs; 83 respondents from a cardiology listserv. PROCEDURES A retrospective, multicenter medical records review identify American trypanosomiasis between December 2010 2020. An anonymous online was conducted August 9 22, 2022. RESULTS Diagnosis made using...

10.2460/javma.22.10.0445 article EN cc-by-nc Journal of the American Veterinary Medical Association 2023-02-02

Transcatheter therapeutics have revolutionized treatment of patent ductus arteriosus (PDA). Greater understanding corrective interventions across species can advance best practices, protocols, and outcomes while minimizing adverse events. The objective this study was to describe characteristics in children dogs undergoing transcatheter PDA occlusion.

10.1016/j.jvc.2024.08.008 article EN cc-by Journal of Veterinary Cardiology 2024-08-30

Borzoi are large, relatively uncommon sighthounds anecdotally reported to suffer from sudden death. This multicenter retrospective cohort study aimed describe the sample of presenting veterinary cardiologists for evaluation, with records searched 14 centers across a period up 20 years. The was comprised 152 client-owned Borzoi, dogs most commonly pre-breed screening in 87/152 (52%), followed by evaluation an arrhythmia 28/152 (18%). Of 131/152 (86%) that had echocardiogram performed, 85/131...

10.3389/fvets.2023.1102494 article EN cc-by Frontiers in Veterinary Science 2023-01-26

10.2460/javma.256.6.650 article EN Journal of the American Veterinary Medical Association 2020-03-03

10.2460/javma.20.10.0569 article EN Journal of the American Veterinary Medical Association 2021-12-01

10.2460/javma.257.3.273 article EN Journal of the American Veterinary Medical Association 2020-07-13
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