Match tier Listed
Presence Current · Arkansas
Last published 2026
Sources OpenAlex · ORCID
Refreshed 2026-10-05

Timothy E. Nissen

Fellow Physician

UAMS

Also affiliated: Arkansas Children's Hospital (2024–2026); Oklahoma State University Center for Health Sciences (2017)

College of Medicine Administration

3 h-index 8 pubs 104 cited

Research Areas

Biomedical Subjects

  • Humans
  • Female
  • Male
  • Publication Bias
  • Child
  • Hematology
  • Review Literature as Topic
  • Evidence-Based Medicine
  • Overweight
  • Pediatric Obesity
  • Echocardiography
  • Heart Transplantation
  • Adolescent
  • Child, Preschool
  • Cardiac Catheterization

Links

ORCID UAMS TRI Profile

OverviewAI-generated summary

Timothy Nissen's research has focused on the critical evaluation of medical literature and clinical practice guidelines, particularly within hematology and pediatric obesity. His work includes systematic reviews examining publication bias and the methodological quality of evidence used in clinical guidelines for pediatric overweight and obesity. More recently, Nissen's research has explored novel echocardiographic parameters for evaluating partial heart transplant growth and comparing different methods for measuring the Fontan fenestration gradient. He has also investigated the indications for intervention in cases of anomalous aortic origin of the right coronary artery. Nissen's collaborators at the University of Arkansas for Medical Sciences include Jim Zhongning Chen, Joshua Daily, Dala Zakaria, and Stephen T. Dalby, with whom he has co-authored multiple publications.

Metrics

  • h-index: 3
  • Publications: 8
  • Citations: 104

Positions

  • Fellow Physician publications 2024–2026
    University of Arkansas for Medical Sciences College of Medicine Administration Institutional directory

Selected Publications

  • Comparison of Echocardiographically-Calculated Fontan Fenestration Gradient and Catheter-Based Measurement (2024)
    Pediatric Cardiology 1 citation DOI OpenAlex

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Collaboration Network

6 Collaborators 2 Institutions 1 Country

Top Collaborators

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