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Canadian Journal of Cardiology

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https://www.readbyqxmd.com/read/29107442/erratum
#1
(no author information available yet)
No abstract text is available yet for this article.
October 26, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29079390/erratum
#2
(no author information available yet)
No abstract text is available yet for this article.
October 24, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29100654/do-oxidized-lipoproteins-cause-atherosclerotic-cardiovascular-diseases
#3
EDITORIAL
Benoit J Arsenault, Raphaëlle Bourgeois, Patrick Mathieu
No abstract text is available yet for this article.
October 6, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29092749/the-frustration-and-futility-of-intracoronary-stem-cell-therapy
#4
EDITORIAL
Ghazaleh Rafatian, Darryl R Davis
No abstract text is available yet for this article.
October 5, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28987522/taking-hockey-to-heart-potential-coronary-risks-of-watching-exciting-games
#5
EDITORIAL
David D Waters, Stanley Nattel
No abstract text is available yet for this article.
September 28, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28987521/heart-rate-response-in-spectators-of-the-montreal-canadiens-hockey-team
#6
Leia T Khairy, Roxana Barin, Fabrice Demonière, Christine Villemaire, Marie-Josée Billo, Jean-Claude Tardif, Laurent Macle, Paul Khairy
BACKGROUND: To our knowledge, heart rate responses have not previously been assessed in hockey fans. We quantified heart rate increases in spectators of the Montreal Canadiens, compared televised with live games, explored features associated with peak heart rates, and assessed whether increases correlate with a fan passion score. METHODS: Healthy adults were enrolled, with half attending live games and half viewing televised games. All subjects completed questionnaires and had continuous Holter monitoring...
September 28, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29102451/autonomic-dysfunction-in-cardiology-pathophysiology-investigation-and-management
#7
REVIEW
Amy C Arnold, Jessica Ng, Lucy Lei, Satish R Raj
Presyncope and syncope are common medical findings, with a > 40% estimated lifetime prevalence. These conditions are often elicited by postural stress and can be recurrent and accompanied by debilitating symptoms of cerebral hypoperfusion. Therefore, it is critical for physicians to become familiar with the diagnosis and treatment of common underlying causes of presyncope and syncope. In some patients, altered postural hemodynamic responses result from a failure of compensatory autonomic nervous system reflex mechanisms...
September 14, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29102452/syncope-and-presyncope-as-a-presenting-symptom-or-discharge-diagnosis-in-the-emergency-department-an%C3%A2-administrative-data-validation-study
#8
John A Staples, Cristian Vadeanu, Bobby Gu, Shannon Erdelyi, Herbert Chan, Jeffrey R Brubacher
Emergency department (ED) visits for syncope are common. Validation of ED administrative diagnostic coding for syncope is required before these codes can be used for health services research. We performed a retrospective multicentre chart review using a regional ED database in British Columbia. We identified adults who visited 1 of 3 high-volume urban EDs between 2010 and 2015. Cohort 1 included 350 ED visits for patients with a presenting complaint (PC) of syncope/presyncope, a discharge diagnosis (DD) of syncope and collapse, or both...
September 11, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29092748/development-of-mitral-stenosis-after-mitral-valve-repair-importance-of-mitral-valve-area
#9
Kwan Leung Chan, Shin-Yee Chen, Thierry Mesana, Buu Khanh Lam
BACKGROUND: The development of mitral stenosis (MS) is not uncommon after mitral valve (MV) repair for degenerative mitral regurgitation (MR), but the significance of MS in this setting has not been defined. METHODS: We prospectively studied 110 such patients who underwent supine bicycle exercise testing to assess intracardiac hemodynamics at rest and at peak exercise. B-type natriuretic peptide (BNP) levels were measured at rest and after the exercise test. The patients also performed the 6-minute walk test and completed the 36-Item Short Form Survey (SF-36)...
September 11, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29107443/recurrent-strokes-after-gore-septal-occluder-device-closure-of-atrial-septal-defect
#10
Adnan Alhadlaq, Arif Hussain, Camille Hancock Friesen, Santokh Dhillon
We report a case of recurrent strokes in a healthy teenager after complete closure of atrial septal defect with Gore Septal Occluder (W.L. Gore and Associates, Newark, DE) device. The disk of the device produced a friction injury to the left atrial endocardium promoting thrombus formation with subsequent embolization to the brain requiring surgical intervention.
September 1, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29102453/timing-of-conduction-abnormalities-leading-to-permanent-pacemaker-insertion-after-transcatheter-aortic-valve-implantation-a-single-centre-review
#11
Daniel Ozier, Nevena Zivkovic, Gabby Elbaz-Greener, Sheldon M Singh, Harindra C Wijeysundera
BACKGROUND: Transcatheter aortic valve implantation (TAVI) is the preferred alternative to traditional surgical aortic valve replacement; however, it remains expensive. One potential driver of cost is the need for postprocedural monitoring for conduction abnormalities after TAVI. Given the paucity of literature on the optimal length of monitoring, we aimed to determine when clinically significant conduction abnormalities leading to permanent pacemaker (PPM) insertion after TAVI were first identified...
September 1, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28974325/is-reduction-in-coronary-blood-flow-the-mechanism-by-which-epicardial-fat-produces-left-ventricular-diastolic-dysfunction
#12
EDITORIAL
Simon W Rabkin
No abstract text is available yet for this article.
September 1, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29111110/impact-of-injectable-furosemide-hospital-shortage-on-congestive-heart-failure-outcomes-a-time-series-analysis
#13
MULTICENTER STUDY
Vivian S Tan, Danielle M Nash, Eric McArthur, Arsh K Jain, Amit X Garg, David N Juurlink, Matthew A Weir
BACKGROUND: Beginning in February 2012, there was a shortage of injectable furosemide in the province of Ontario, Canada. The objective of this study was to assess the effects of the furosemide shortage on heart failure outcomes in Ontario, Canada. METHODS: We determined which hospitals experienced a shortage of injectable furosemide using an online survey. We then used health administrative data to identify all patients who presented to those hospitals with congestive heart failure...
November 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29111109/failing-at-heart-failure-therapies-are-health-behaviours-to-blame
#14
EDITORIAL
James A Stone, Ross Arena, Sandeep Aggarwal
No abstract text is available yet for this article.
November 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29111108/the-need-for-heart-failure-advocacy-in-canada
#15
EDITORIAL
Sean A Virani, Marc Bains, Jillianne Code, Anique Ducharme, Karen Harkness, Jonathan G Howlett, Heather Ross, Bruce Sussex, Shelley Zieroth
No abstract text is available yet for this article.
November 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29111107/mind-the-gap-current-challenges-and-future-state-of-heart-failure-care
#16
REVIEW
Michael A McDonald, Euan A Ashley, Paul W M Fedak, Nathaniel Hawkins, James L Januzzi, John J V McMurray, Victoria N Parikh, Vivek Rao, Daniyil Svystonyuk, John R Teerlink, Sean Virani
The past decade has seen many advances in the management of heart failure (HF) that have improved survival and quality of life for patients living with this condition. A number of gaps remain in our understanding of the pathophysiology of HF, and the application of emerging treatment strategies is an exciting but daunting challenge. It is possible that advances in genetic evaluation of cardiomyopathy will provide a more refined approach to characterizing HF syndromes, whereas large-scale clinical trials on the horizon should further clarify the role of novel pharmacologic agents and invasive therapies...
November 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29111106/2017-comprehensive-update-of-the-canadian-cardiovascular-society-guidelines-for-the-management-of-heart-failure
#17
Justin A Ezekowitz, Eileen O'Meara, Michael A McDonald, Howard Abrams, Michael Chan, Anique Ducharme, Nadia Giannetti, Adam Grzeslo, Peter G Hamilton, George A Heckman, Jonathan G Howlett, Sheri L Koshman, Serge Lepage, Robert S McKelvie, Gordon W Moe, Miroslaw Rajda, Elizabeth Swiggum, Sean A Virani, Shelley Zieroth, Abdul Al-Hesayen, Alain Cohen-Solal, Michel D'Astous, Sabe De, Estrellita Estrella-Holder, Stephen Fremes, Lee Green, Haissam Haddad, Karen Harkness, Adrian F Hernandez, Simon Kouz, Marie-Hélène LeBlanc, Frederick A Masoudi, Heather J Ross, Andre Roussin, Bruce Sussex
Since the inception of the Canadian Cardiovascular Society heart failure (HF) guidelines in 2006, much has changed in the care for patients with HF. Over the past decade, the HF Guidelines Committee has published regular updates. However, because of the major changes that have occurred, the Guidelines Committee believes that a comprehensive reassessment of the HF management recommendations is presently needed, with a view to producing a full and complete set of updated guidelines. The primary and secondary Canadian Cardiovascular Society HF panel members as well as external experts have reviewed clinically relevant literature to provide guidance for the practicing clinician...
November 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28985961/volume-and-patterns-of-physical-activity-across-the-health-and-heart-failure-continuum
#18
Milad Yavari, Mark J F Haykowsky, Anamaria Savu, Padma Kaul, Jason R B Dyck, Robert G Haennel
BACKGROUND: The benefits of regular physical activity (PA) are well documented in patients with heart failure (HF), however the amount and intensity of objectively measured PA and sedentary behaviour in HF with preserved (HFPEF) or reduced ejection fraction (HFREF) is not well known. METHODS: In a cross-sectional observational study the energy expenditure of 151 participants (HFPEF: n = 53; HFREF: n = 16; at-risk for HF: n = 48; control participants: n = 34) using SenseWear Mini Armbands (Body Media, Inc, Pittsburgh, PA) were monitored...
November 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28974326/relationships-between-periventricular-epicardial-adipose-tissue-accumulation-coronary-microcirculation-and-left-ventricular-diastolic-dysfunction
#19
Koki Nakanishi, Shota Fukuda, Atsushi Tanaka, Kenichiro Otsuka, Haruyuki Taguchi, Kenei Shimada
BACKGROUND: Obesity is related to left ventricular (LV) diastolic dysfunction, although its pathophysiological mechanism remains unclear. Epicardial adipose tissue (EAT) is an ectopic fat with paracrine effects on coronary circulation and myocardium. We hypothesized that left ventricle-specific (periventricular) EAT may deteriorate diastolic function by impairing coronary microcirculation. METHODS: In protocol 1, 74 patients without obstructive narrowing of the left anterior descending artery on multidetector computed tomography (MDCT) underwent coronary flow reserve (CFR) examination to evaluate the relationship between EAT and coronary microcirculation...
November 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28966019/n-terminal-pro-b-type-natriuretic-peptide-and-high-sensitivity-cardiac-troponin-t-levels-are-related-to-the-extent-of-hibernating-myocardium-in-patients-with-ischemic-heart-failure
#20
Jason G E Zelt, Peter P Liu, Fernanda Erthal, Robert A deKemp, George Wells, Eileen O'Meara, Linda Garrard, Rob S B Beanlands, Lisa M Mielniczuk
BACKGROUND: Increased N-terminal pro b-type natriuretic peptide (NT-proBNP) and high-sensitivity cardiac troponin T (hs-cTnT) can identify patients with heart failure (HF) who are at increased risk of cardiac events. The relationship of these biomarkers to the extent of hibernating myocardium and scar has not been previously characterized in patients with ischemic left ventricular dysfunction and HF. METHODS: Patients with ischemic HF meeting recruitment criteria and undergoing perfusion and fluorodeoxyglucose-positron emission tomography to define myocardial hibernation and scar were included in the study...
November 2017: Canadian Journal of Cardiology
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