Timothy Nissen

ORCID: 0000-0002-7412-7130
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About
Contact & Profiles
Research Areas
  • Meta-analysis and systematic reviews
  • Cardiac Arrhythmias and Treatments
  • Congenital Heart Disease Studies
  • Coronary Artery Anomalies
  • Cardiovascular Function and Risk Factors
  • Vascular Malformations and Hemangiomas
  • Histiocytic Disorders and Treatments
  • Health Policy Implementation Science
  • Mechanical Circulatory Support Devices
  • Healthcare cost, quality, practices
  • Tumors and Oncological Cases
  • Central Venous Catheters and Hemodialysis
  • Health Systems, Economic Evaluations, Quality of Life
  • Vascular anomalies and interventions
  • Delphi Technique in Research
  • Transplantation: Methods and Outcomes

Arkansas Children's Hospital
2024

University of Arkansas for Medical Sciences
2024

Oklahoma State University Center for Health Sciences
2017

Summary Paediatric obesity rates remain high despite extensive efforts to prevent and treat in children. We investigated the quality of methodology reporting within systematic reviews (SRs) underpinning paediatric content US clinical practice guidelines (CPGs). In June 2016 we searched guideline clearinghouses professional organization websites for published by national or organizations United States from January 2007 onwards. our primary, a priori analysis, used PRISMA (Preferred Reporting...

10.1111/cob.12174 article EN Clinical Obesity 2017-01-23

<title>Abstract</title> <bold>Background:</bold> Patients born with single ventricle physiology typically undergo surgical palliation in three stages, culminating the Fontan procedure. Assessment of flow across a fenestration by Doppler Ultrasound theoretically allows for non-invasive estimation transpulmonary gradient (TPG). Our objective was to determine relationship between Doppler-derived mean (mFG) and direct catheter-based measurements TPG patients fenestrated Fontans....

10.21203/rs.3.rs-4373208/v1 preprint EN cc-by Research Square (Research Square) 2024-05-28
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