Peter Larsen

ORCID: 0000-0001-8706-9032
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About
Contact & Profiles
Research Areas
  • Acute Myocardial Infarction Research
  • Antiplatelet Therapy and Cardiovascular Diseases
  • Cardiac pacing and defibrillation studies
  • Heart Rate Variability and Autonomic Control
  • Cardiac electrophysiology and arrhythmias
  • Cardiac Arrest and Resuscitation
  • Cardiac Arrhythmias and Treatments
  • Cardiovascular Function and Risk Factors
  • Cardiac Imaging and Diagnostics
  • Neutrophil, Myeloperoxidase and Oxidative Mechanisms
  • Non-Invasive Vital Sign Monitoring
  • Neuroscience of respiration and sleep
  • Atrial Fibrillation Management and Outcomes
  • Trauma and Emergency Care Studies
  • Venous Thromboembolism Diagnosis and Management
  • Coronary Interventions and Diagnostics
  • Lipoproteins and Cardiovascular Health
  • Cardiac, Anesthesia and Surgical Outcomes
  • Cardiac Fibrosis and Remodeling
  • Emergency and Acute Care Studies
  • Atherosclerosis and Cardiovascular Diseases
  • Social and Educational Sciences
  • EEG and Brain-Computer Interfaces
  • Cardiomyopathy and Myosin Studies
  • Cardiac Health and Mental Health

Mercy Medical Center
2025

University of Otago
2015-2024

Aalborg University Hospital
2024

Wellington Hospital
2011-2023

Centre for Eye Research Australia
2023

Victoria University of Wellington
2003-2022

Loyola University Chicago
2022

Boehringer Ingelheim (United States)
2021

Oregon Health & Science University
2021

The University of Queensland
2013-2019

We assessed the impact of restaurant menu calorie labels on food choices and intake.Participants in a study dinner (n=303) were randomly assigned to either (1) without (no labels), (2) with (calorie or (3) label stating recommended daily caloric intake for an average adult plus information). Food during after measured.Participants both conditions ordered fewer calories than those no condition. When combined, that group consumed 14% group. Individuals condition more other conditions....

10.2105/ajph.2009.160226 article EN American Journal of Public Health 2009-12-18

We investigated whether a commercial bi-level positive airway pressure (BPAP) device, would improve peripheral oxygen saturation (SpO2) during recreational aviation up to 12,500 feet without supplemental oxygen. Ten adults with flight experience (age:47 ± 14; female = 5) completed standardized profile in an unpressurised aircraft, involving randomized crossover design at 8,000 and BPAP or control. SpO2, middle cerebral artery velocity (MCAv), heart rate (HR), respiratory (RR), relative tidal...

10.14814/phy2.70210 article EN cc-by Physiological Reports 2025-02-01

Activation of both platelets and neutrophils can contribute to the risk major adverse cardiovascular events (MACE) following acute myocardial infarction (AMI). Neutrophil extracellular traps (NETs) are an important product platelet-neutrophil axis exaggerate vascular damage in disease. Additionally, activated drive NETosis directly linked thromboembolic risk. Investigating combined effect biomarkers for platelet activation represents a novel approach prediction post-AMI. Here, we examined...

10.1055/s-0041-1728763 article EN Thrombosis and Haemostasis 2021-05-13

In 48 conscious resting subjects we examined the temporal coupling of heart beat timing and onset inspiration (cardioventilatory coupling), relationship between spectral indices autonomic function. Using proportional Shannon entropy (SH(alpha)) RI(-1) interval (interval preceding ECG R wave) as a measure detected statistically significant in 32 subjects. This was confirmed by visual inspection time series plots RI intervals, which evident horizontal banding. Coupling resulted preference for...

10.1113/eph8802606 article EN Experimental Physiology 2003-11-01

Introducing cardiopulmonary resuscitation (CPR) training in the high-school curriculum has been widely recommended as a long-term strategy to educate wider community. Although CPR included New Zealand school curriculum, it is listed an optional subject only.To assess attitude towards and knowledge of 16-17-year-old students Zealand.Questionnaires were administered 494 aged 16-17 years across six high schools Wellington, Zealand. Both evaluated questionnaire.Students showed poor theoretical...

10.1136/emj.2006.041160 article EN Emergency Medicine Journal 2006-11-28

10.1016/j.resuscitation.2006.09.008 article EN Resuscitation 2007-01-24

10.1093/bja/79.1.35 article EN publisher-specific-oa British Journal of Anaesthesia 1997-07-01

The respiratory component of heart rate variability (respiratory sinus arrhythmia, RSA) has been associated with improved pulmonary gas exchange efficiency in humans via the apparent clustering and scattering beats time inspiratory expiratory phases alveolar ventilation, respectively. However, since human RSA causes only marginal redistribution to inspiration, we tested hypothesis that any association between amplitude may be indirect. In 11 patients fixed‐rate cardiac pacemakers 10 healthy...

10.1113/expphysiol.2010.052910 article EN Experimental Physiology 2010-04-10

It has long been believed that airline pilots are healthier than the general population. There a number of reasons why this should be case. However, there is very little evidence to support belief as fact. This study investigates health pilot population an Oceanic based compared population.Pilots who conducted their medical certificate renewal at airline's unit between 1 November 2009 and 31 October 2010 were included. A questionnaire was completed by each time renewal. Data from entered...

10.3357/asem.3380.2012 article EN Aviation Space and Environmental Medicine 2012-10-01

Factors affecting the Multiplate® assay's analytical precision have not been well defined. We investigated effect of methodological factors on measurement ADP-induced platelet aggregation using assay. was analysed in whole blood tested reproducibility measurement, different anticoagulants (hirudin, citrate and heparin) time delay (15, 30, 45, 60, 120 180 minutes) between sampling analysis patients. The use a manual calibrated pipette with analyser also tested. mean coefficient variation (CV)...

10.3109/09537104.2012.694086 article EN Platelets 2012-06-11

Background Effective stroke prevention with oral anticoagulants (OAC) is recommended for some patients atrial fibrillation (AF). We aimed to describe OAC use by geographical region and type of site in recent‐onset AF enrolled a large global registry. Methods Results Eligible participants were recruited into GLORIA‐AF (Global Registry on Long‐Term Oral Antithrombotic Treatment Patients With Atrial Fibrillation), prospective observational cohort study from 2014 2016 4 international regions:...

10.1161/jaha.121.023907 article EN cc-by-nc-nd Journal of the American Heart Association 2022-03-04

This 21-marker, 18-color panel was developed to accurately delineate monocyte subsets by manual gating and, once successfully gated, characterize function in-depth. optimized on human peripheral blood mononuclear cells (PBMCs) density-separated from whole drawn into Cyto-Chex collection tubes (BCTs; Streck, La Vista, NE) healthy adults. All samples were analyzed a three-laser (violet-blue-red) Aurora full spectrum flow cytometer (Cytek Biosciences, Fremont, CA). Deep phenotyping achieved...

10.1002/cyto.a.24545 article EN Cytometry Part A 2022-03-10
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