Search results for: Andrew R. Chapman

Items from 1 to 14 out of 14 results

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OPTIMAL RISK STRATIFICATION PATHWAYS FOR PATIENTS WITH SUSPECTED ACUTE CORONARY SYNDROME

Andrew R. Chapman, Atul Anand, Dennis Sandeman, Amy Ferry, more

Journal of the American College of Cardiology > 2017 > 69 > 11(S) > 196

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HIGH-SENSITIVITY CARDIAC TROPONIN AND THE CLASSIFICATION OF MYOCARDIAL INFARCTION

Andrew R. Chapman, Anoop Shah, Atul Anand, Philip Adamson, more

Journal of the American College of Cardiology > 2017 > 69 > 11(S) > 246

article

Measurement of cardiac troponin for exclusion of myocardial infarction – Authors' reply

Anoop S V Shah, Atul Anand, Andrew R Chapman, David E Newby, more

The Lancet > 2016 > 387 > 10035 > 2289-2291

article

TROUSSEAU'S SYNDROME PRESENTING WITH CARDIAC TAMPONADE AND MIGRATORY ATRIAL THROMBUS

Andrew R. Chapman, Nicholas Mills

Journal of the American College of Cardiology > 2016 > 67 > 13(S) > 1224

article

A comparison of prognostic significance of strong ion gap (SIG) with other acid-base markers in the critically ill: a cohort study

Kwok M. Ho, Norris S. H. Lan, Teresa A. Williams, Yusra Harahsheh, more

Journal of Intensive Care > 2016 > 4 > 1 > 1-11

Background This cohort study compared the prognostic significance of strong ion gap (SIG) with other acid-base markers in the critically ill. Methods The relationships between SIG, lactate, anion gap (AG), anion gap albumin-corrected (AG-corrected), base excess or strong ion difference-effective (SIDe), all obtained within the first hour of intensive care unit (ICU) admission, and the hospital mortality...

article

High-sensitivity cardiac troponin I at presentation in patients with suspected acute coronary syndrome: a cohort study

Anoop S V Shah, Atul Anand, Yader Sandoval, Kuan Ken Lee, more

The Lancet > 2015 > 386 > 10012 > 2481-2488

Suspected acute coronary syndrome is the commonest reason for emergency admission to hospital and is a large burden on health-care resources. Strategies to identify low-risk patients suitable for immediate discharge would have major benefits. We did a prospective cohort study of 6304 consecutively enrolled patients with suspected acute coronary syndrome presenting to four secondary and tertiary...

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Three coronary arteries arising from the right coronary cusp with a malignant sub-pulmonary course of the left anterior descending artery

Andrew R. Chapman, Duncan Hogg, John Miller, Gareth J. Padfield

Journal of Cardiology Cases > 2014 > 9 > 3 > 106-108

We describe a case of a 45-year-old man presenting with acute myocardial infarction investigated by computed tomography coronary angiography. Interestingly all three coronary arteries arose from the right coronary cusp. The left anterior descending artery (LAD) subtended an acute angle from the aortic root, associated with significant kinking and stenosis at the ostium, before passing anteriorly,...

article

Change in running kinematics after cycling are related to alterations in running economy in triathletes

Jason Bonacci, Daniel Green, Philo U. Saunders, Peter Blanch, more

Journal of Science and Medicine in Sport > 2010 > 13 > 4 > 460-464

Emerging evidence suggests that cycling may influence neuromuscular control during subsequent running but the relationship between altered neuromuscular control and run performance in triathletes is not well understood. The aim of this study was to determine if a 45min high-intensity cycle influences lower limb movement and muscle recruitment during running and whether changes in limb movement or...

article

Intramuscular fine-wire electromyography during cycling: Repeatability, normalisation and a comparison to surface electromyography

Andrew R. Chapman, Bill Vicenzino, Peter Blanch, Joanna J. Knox, more

Journal of Electromyography and Kinesiology > 2010 > 20 > 1 > 108-117

This study investigated (a) the feasibility and repeatability of intramuscular fine-wire electromyographic (fEMG) recordings from leg muscles during the repetitive, high-velocity cycling movement, (b) the influence of amplitude normalization technique on repeatability and statistical sensitivity, (c) the influence of test-retest interval duration on repeatability, and (d) differences between fEMG...

article

Author's response

Andrew R. Chapman, Bill Vicenzino

Journal of Science and Medicine in Sport > 2009 > 12 > 4 > e4-e5

article

The influence of body position on leg kinematics and muscle recruitment during cycling

Andrew R. Chapman, Bill Vicenzino, Peter Blanch, Joanna J. Knox, more

Journal of Science and Medicine in Sport > 2008 > 11 > 6 > 519-526

The effects of upper body orientation on neuromuscular control of the leg during cycling are not well understood. Our aim was to investigate the effects of upper body orientation on control of movement of distal leg segments during cycling. We compared three-dimensional leg and foot kinematics and muscle recruitment patterns between upright and aerodynamic riding positions. Comparisons were made between...

article

Does cycling effect motor coordination of the leg during running in elite triathletes?

Andrew R. Chapman, Bill Vicenzino, Peter Blanch, Steve Dowlan, more

Journal of Science and Medicine in Sport > 2008 > 11 > 4 > 371-380

Triathletes report incoordination when running after cycling. We investigated the influence of the transition from cycling to running on leg movement and muscle recruitment during running in elite international level triathletes. Leg movement (three-dimensional kinematics) and tibialis anterior (TA) muscle activity (surface electromyography) were compared between a control-run (no prior exercise)...

article

Patterns of leg muscle recruitment vary between novice and highly trained cyclists

Andrew R. Chapman, Bill Vicenzino, Peter Blanch, Paul W. Hodges

Journal of Electromyography and Kinesiology > 2008 > 18 > 3 > 359-371

This study compared patterns of leg muscle recruitment and coactivation, and the relationship between muscle recruitment, coactivation and cadence, in novice and highly trained cyclists. Electromyographic (EMG) activity of tibialis anterior (TA), tibialis posterior (TP), peroneus longus (PL), gastrocnemius lateralis (GL) and soleus (SOL) was recorded using intramuscular fine-wire electrodes. Four...

article

Leg muscle recruitment during cycling is less developed in triathletes than cyclists despite matched cycling training loads

Andrew R. Chapman, Bill Vicenzino, Peter Blanch, Paul W. Hodges

Experimental Brain Research > 2007 > 181 > 3 > 503-518

Studies of arm movements suggest that interference with motor learning occurs when multiple tasks are practiced in sequence or with short interim periods. However, interference with learning has only been studied during training periods of 1–7 days and it is not known if interference with learning continues during long-term multitask training. This study investigated muscle recruitment in highly trained...

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