Malcolm Riley

ORCID: 0000-0003-3040-8616
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About
Contact & Profiles
Research Areas
  • Nutritional Studies and Diet
  • Cardiac Arrhythmias and Treatments
  • Atrial Fibrillation Management and Outcomes
  • Obesity, Physical Activity, Diet
  • Cardiac electrophysiology and arrhythmias
  • Diet and metabolism studies
  • Cardiac pacing and defibrillation studies
  • Nutrition and Health in Aging
  • Bone health and osteoporosis research
  • Consumer Attitudes and Food Labeling
  • Agriculture Sustainability and Environmental Impact
  • Birth, Development, and Health
  • Child Nutrition and Water Access
  • Cardiovascular Effects of Exercise
  • Sodium Intake and Health
  • Folate and B Vitamins Research
  • Food Security and Health in Diverse Populations
  • Nutrition, Genetics, and Disease
  • Diabetes and associated disorders
  • Muscle metabolism and nutrition
  • Dietetics, Nutrition, and Education
  • Diabetes, Cardiovascular Risks, and Lipoproteins
  • Diabetes Management and Research
  • Sports Performance and Training
  • Climate Change and Health Impacts

University of Pennsylvania
2008-2024

Hospital of the University of Pennsylvania
2009-2023

CSIRO Health and Biosecurity
2016-2023

South Australian Health and Medical Research Institute
2016-2023

University of Pennsylvania Health System
2015-2021

Pennsylvania Hospital
2021

University of Virginia
2020

Commonwealth Scientific and Industrial Research Organisation
2012-2019

Health Sciences and Nutrition
2011-2017

Animal, Food and Health Sciences
2012-2016

The number of elderly patients with atrial fibrillation (AF) is increasing rapidly, and the safety efficacy catheter ablation in this demographic group has not been established.Over a 7-year period we studied 1,165 consecutive undergoing 1,506 AF procedures using consistent protocol that included proximal ostial pulmonary vein (PV) isolation focal non-PV triggers. Outcome was analyzed for three distinct age groups: <65 years (group 1; n = 948 patients), 65-74 2; 185 > or =75 3; 32 patients)...

10.1111/j.1540-8167.2008.01183.x article EN Journal of Cardiovascular Electrophysiology 2008-05-06

Health status was assessed in 39 kava users and 34 non-users a coastal Aboriginal community Arnhem Land. Twenty (27%) respondents were very heavy (mean consumption, 440 g/week) of kava; 15 (21%) (310 four (5%) occasional (100 kava. Kava more likely to complain poor health "puffy" face, have typical scaly rash, slightly-increased patellar reflexes. Very 20% underweight their levels γ-glutamyl transferase increased greatly. Albumin, plasma protein, urea bilirubin decreased users, high-density...

10.5694/j.1326-5377.1988.tb93809.x article EN The Medical Journal of Australia 1988-06-01

Background— We previously demonstrated that treatment with antiarrhythmic drugs (AADs) during the first 6 weeks after atrial fibrillation (AF) ablation reduces incidence of clinically significant arrhythmias and need for cardioversion or hospitalization arrhythmia management. Whether early rhythm suppression decreases longer-term recurrence is unknown. now report 6-month follow-up data from this study. Methods Results— The Antiarrhythmics After Ablation Atrial Fibrillation study...

10.1161/circep.110.955393 article EN Circulation Arrhythmia and Electrophysiology 2010-11-14

Atrial arrhythmias are common early after atrial fibrillation (AF) ablation. We hypothesized that empirical antiarrhythmic drug (AAD) therapy for 6 weeks AF ablation would reduce the occurrence of arrhythmias.We randomized consecutive patients with paroxysmal undergoing to (AAD group) or no (no-AAD first In no-AAD group, only atrioventricular nodal blocking agents were prescribed. All wore a transtelephonic monitor 4 discharge and reevaluated at weeks. The primary end point study was...

10.1161/circulationaha.108.839639 article EN Circulation 2009-09-09

Fluid losses (measured by body weight changes) and voluntary fluid intakes were measured in elite basketball, netball, soccer teams during typical summer winter exercise sessions to determine requirements the degree of replacement. Each subject was weighed minimal clothing before immediately after training, weights, competition sessions; intake, duration exercise, temperature humidity, opportunity drink recorded. Sweat rates greatest significantly lower weights for all sports. Seasonal...

10.1123/ijsn.6.3.307 article EN International Journal of Sport Nutrition 1996-09-01

PV Ablation for Persistent Atrial Fibrillation. Introduction: Effectiveness of antral pulmonary vein isolation (PVAI) and ablation non‐PV triggers (non‐PVTA) in controlling longstanding persistent atrial fibrillation (AF) has not been reported. We sought to describe clinical outcomes with this strategy patients (pts) followed at least 1 year. Methods: Two hundred pts underwent PVAI AF were recurrence. Thirty‐three &lt;1‐year follow‐up 37 additional RF excluded, leaving 130 analysis. Results:...

10.1111/j.1540-8167.2012.02307.x article EN Journal of Cardiovascular Electrophysiology 2012-04-17

Abstract There have been no studies of smoking during pregnancy and bone mineralization in children. The objective this population-based longitudinal study was to determine whether maternal is associated with mass other growth variables prepubertal We studied 330 8-year-old male female children representing 47% those who originally took part a risk factors for Sudden Infant Death Syndrome 1988. main outcome measures were mineral density measured by Hologic QDR2000 densitometer: birth weight,...

10.1359/jbmr.1999.14.1.146 article EN Journal of Bone and Mineral Research 1999-01-01

A randomized controlled trial evaluated the effectiveness of a 4-wk extended theory planned behavior (TPB) intervention to promote regular physical activity and healthy eating among older adults diagnosed with Type 2 diabetes or cardiovascular disease (N = 183). Participants completed TPB measures attitude, subjective norm, perceived behavioral control, intention, as well planning behavior, at preintervention 1 wk 6 postintervention for each behavior. No significant time-by-condition effects...

10.1123/japa.20.3.281 article EN Journal of Aging and Physical Activity 2012-07-01
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