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Heart, Lung & Circulation

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https://www.readbyqxmd.com/read/29017748/transcatheter-aortic-valve-implantation-in-patients-with-a-large-aortic-annulus
#1
Peter Barr, John Ormiston, Jim Stewart, Parma Nand, Tharumenthiran Ramanathan, Mark Webster
BACKGROUND: As the indications for transcatheter aortic valve implantation (TAVI) have expanded, so to have the demands on interventionists to allow as many patients to access this technology as possible. METHODS: We retrospectively reviewed our TAVI database for patients who had received a 29mm SAPIEN 3 valve despite having an annular area greater than the manufacturer-recommended upper limit of 683mm(2), as determined by multi-detector computed tomography (MDCT)...
September 28, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28993116/right-ventricular-epicardial-vascularisation-in-patients-with-pulmonary-arterial-hypertension
#2
Wojciech Magoń, Jakub Stępniewski, Tomasz Miszalski-Jamka, Małgorzata Urbańczyk-Zawadzka, Piotr Podolec, Grzegorz Kopeć
BACKGROUND: Pulmonary arterial hypertension (PAH) leads to a haemodynamic overload and ischaemia of the right ventricle (RV), which are important triggers of an arterial growth. Thus, we aimed to assess whether patients with PAH have altered epicardial vasculature of the RV, and how it corresponds to RV haemodynamic stress. METHODS: We enrolled consecutive patients with PAH diagnosed in a single pulmonary hypertension centre, who underwent coronary angiography. The control group consisted of patients with normal coronary arteries...
September 28, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28993117/getting-to-the-heart-of-the-matter-what-is-the-landscape-of-exercise-rehabilitation-for-people-with-heart-failure-in-australia
#3
Simon Miller, Allison Mandrusiak, Julie Adsett
BACKGROUND: The benefits of exercise rehabilitation for people with heart failure (HF) are well established. In Australia, little is known about how the guidelines around exercise rehabilitation for people with HF are being implemented in clinical practice. Furthermore, it is unknown what organisational barriers are faced in providing exercise rehabilitation programs for this population. The aim of this study is to provide an updated review of exercise rehabilitation services for people with HF in Australia and to identify perceived organisational barriers to providing these services...
September 25, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28969980/ventricular-arrhythmia-occurrence-and-compliance-in-patients-treated-with-the-wearable-cardioverter-defibrillator-following-percutaneous-coronary-intervention
#4
Jérémie Barraud, Pauline Pinon, Marc Laine, Jennifer Cautela, Morgane Orabona, Linda Koutbi, Johan Pinto, Franck Thuny, Frederic Franceschi, Franck Paganelli, Laurent Bonello, Michaël Peyrol
BACKGROUND: The wearable cardioverter defibrillator (WCD) is a life-saving therapy in patients with high risk of arrhythmic death. We aimed to evaluate ventricular arrhythmia (VA) occurrence rate and compliance with the WCD during the first 90 days following myocardial revascularisation with percutaneous coronary intervention (PCI) in patients with left ventricular ejection fraction (LVEF) <30%. METHODS: From September 2015 to November 2016, clinical characteristics, WCD recordings and compliance data of the aforementioned subset of patients were prospectively collected...
September 25, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28993118/th17-treg-ratio-in-serum-predicts-onset-of-postoperative-atrial-fibrillation-after-off-pump-coronary-artery-bypass-graft-surgery
#5
Yi He, Xi Chen, Xuejun Guo, Hang Yin, Nan Ma, Min Tang, Hao Liu, Ju Mei
BACKGROUND: The aim of this study is to identify whether the balance between T helper 17 (Th17) cells and CD4(+)CD25(+)Foxp3(+) regulatory T (Treg) cells could predict the postoperative atrial fibrillation (POAF) after coronary artery bypass graft surgery (CABG). METHODS: We enrolled 88 patients from Xinhua Hospital who received off-pump CABG (OPCABG) surgery. The baseline characteristics of patients were recorded. The preoperative variables C-reactive protein (CRP) level, left atrial (LA) volume, EuroSCORE I score, CHADS2 score, and CHA2DS2-VASc score were calculated at enrolment...
September 23, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29029950/survival-of-idiopathic-pulmonary-arterial-hypertension-patients-in-the-modern-era-in-australia-and-new-zealand
#6
Geoff Strange, Edmund M Lau, Eleni Giannoulatou, Carolyn Corrigan, Eugene Kotlyar, Fiona Kermeen, Trevor Williams, David S Celermajer, Nathan Dwyer, Helen Whitford, Jeremy P Wrobel, John Feenstra, Melanie Lavender, Kenneth Whyte, Nicholas Collins, Peter Steele, Susanna Proudman, Vivek Thakkar, Dominic Keating, Anne Keogh
BACKGROUND: Epidemiology and treatment strategies continue to evolve in pulmonary arterial hypertension (PAH). We sought to define the characteristics and survival of patients with idiopathic, heritable and drug-induced PAH in the current management era. METHODS: Consecutive cases of idiopathic, heritable and drug-induced PAH were prospectively enrolled into an Australian and New Zealand Registry. RESULTS: Between January 2012 and December 2016, a total of 220 incident cases were enrolled (mean age 57...
September 20, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28966113/differential-myocardial-fibre-involvement-by-strain-analysis-in-patients-with-aortic-stenosis
#7
Matle J Fung, Dominic Y Leung, Liza Thomas
BACKGROUND: Aortic stenosis (AS) is the most common valvular heart disease and can result in left ventricular (LV) systolic impairment. LV myocardial fibres are organised in layers: the subendocardial layer is orientated longitudinally and the subepicardial layer circumferentially. We hypothesised that there is differential involvement of myocardial fibres in patients with aortic stenosis. METHODS: We performed multi-directional, multi-layered systolic strain analysis in 70 patients (aged 72±10...
September 20, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28966114/aortic-cannulation-in-debakey-type-i-aortic-dissection-facilitates-subsequent-deployment-of-a-frozen-elephant-trunk
#8
Jonathan M Hemli, Allan Mattia, Eden Payabyab, Yuriy Dudiy, S Jacob Scheinerman, Derek R Brinster
Arterial cannulation in acute DeBakey type I dissection can be difficult. Moreover, the residual dissected aorta is susceptible to further adverse events in the future. Implanting a stent-graft into the descending aorta during the initial dissection repair ('frozen elephant trunk') has been demonstrated to promote favourable aortic remodelling, mitigating some of these longer-term complications. We describe a technique for cannulation of the ascending aorta in acute dissection that facilitates expeditious antegrade deployment of a frozen elephant trunk...
September 15, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28969981/heart-failure-and-exercise-a-narrative-review-of-the-role-of-self-efficacy
#9
REVIEW
Francis J Ha, David L Hare, James D Cameron, Samia R Toukhsati
Chronic heart failure (CHF) is a common, debilitating condition associated with significant health and economic burden. CHF management is multidisciplinary, however, achieving better health relies on a collaborative effort and patient engagement in self-care. Despite the importance of self-care in CHF, many patients have poor adherence to their medical and lifestyle regimens, in particular with regards to engaging in physical exercise. The patient's confidence in their ability, otherwise known as self-efficacy, is an important determinant of CHF health outcomes, most likely due to its effect on the uptake of CHF self-care activities especially exercise initiation and maintenance...
September 12, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28969979/inverse-association-between-myocardial-b-type-natriuretic-peptide-release-and-functional-capacity-in-healthy-humans
#10
Micha T Maeder, Bruce R Thompson, David M Kaye
BACKGROUND: B-type natriuretic peptide (BNP) has been found to be inversely related to peak oxygen consumption (peak VO2) in various patient populations. However, in these studies, circulating plasma BNP, i.e. the net effect of release and elimination, rather than cardiac BNP release has been measured. We assessed the relationship between the transcardiac BNP gradient [ΔBNPCS-A, i.e. the difference between BNP in coronary sinus (BNPCS) and arterial (BNPA) plasma] and peak VO2 in healthy subjects with a view to better understanding the regulation of cardiac BNP release in humans...
September 12, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28966115/elective-cardioversion-in-the-era-of-novel-oral-anticoagulants-does-a-nurse-administered-verbal-questionnaire-for-compliance-negate-the-need-for-routine-transoesophageal-echocardiography
#11
Matthew K Rowe, Naomi Lollback, Leanne Slater, John Hill, Paul A Gould, Gerald C Kaye
BACKGROUND: Anticoagulation prior to elective external direct current cardioversion (EDCCV) is mandatory. The inability to monitor compliance with novel oral anticoagulants (NOACs) raises a potential safety issue. We aimed to evaluate whether a structured, nurse-led assessment of compliance prior to EDCCV ensures safety without the need for routine transoesophageal echocardiography (TOE). METHODS: Data was prospectively collected on consecutive patients undergoing EDCCV during 2014-2015...
September 12, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28918980/outcomes-of-aortic-valve-replacement-according-to-surgical-approach-in-intermediate-and-low-risk-patients-a-propensity-score-analysis
#12
Corazon M Calle-Valda, Rio Aguilar, Amparo Benedicto, Anas Sarraj, Emilio Monguio, Daniel Munoz, Nieves De Antonio, Guillermo Reyes
BACKGROUND: Previous trials have shown that, among high-risk patients with aortic stenosis, survival rates are similar for transcatheter aortic-valve implantation (TAVI) and surgical aortic valve replacement. The study aimed to compare the outcomes of aortic valve replacement according to the adopted surgical approach in intermediate and low risk patients. METHODS: This is a retrospective, observational, cohort study of prospectively collected data from 421 patients undergoing isolated aortic valve replacement between 2011 and 2015...
September 6, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28919069/impact-of-discontinuation-of-antiplatelet-therapy-prior-to-isolated-valve-and-combined-coronary-artery-bypass-graft-and-valve-procedures-on-short-and-intermediate-term-outcomes
#13
James Meneguzzi, Matthew Kilpin, Ying Yan Zhu, Atsuo Doi, Christopher Reid, Lavinia Tran, Philip Hayward, Julian Smith
BACKGROUND: A change in cardiac surgery practice over the past decade has seen an increase in urgent or inpatient referrals for surgery, with antiplatelet therapy often continued up until surgery. This study aims to identify the optimal timing for administration of aspirin to minimise risk of perioperative morbidity and mortality. METHODS: From a prospectively compiled database collected by the Australian and New Zealand Society of Cardiac and Thoracic Surgeons, we identified 8,294 patients undertaking combined CABG and valve or isolated valve procedures while discontinuing aspirin...
September 1, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28923395/percutaneous-coronary-intervention-versus-surgery-in-left-main-stenosis-a-meta-analysis-and-systematic-review-of-randomised-controlled-trials
#14
REVIEW
Safi U Khan, Hammad Rahman, Adeel Arshad, Muhammad U Khan, Manidhar Lekkala, Tsujung Yang, Abhishek Mishra, Edo Kaluski
OBJECTIVE: To investigate the safety and efficacy of percutaneous coronary interventions (PCI) versus coronary artery bypass graft (CABG) surgery for left main coronary artery (LMCA) disease. METHODS: Six randomised controlled trials (RCTs) were reviewed by searching PubMed/Medline, Embase and the Cochrane Library. Estimates were pooled according to random effects model. Binary outcomes were reported as risk ratio (RR) and continuous outcomes were reported as mean difference (MD) with 95% confidence interval (CI)...
August 25, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28919070/gender-debate-on-the-early-warning-signs-of-acute-coronary-syndromes
#15
EDITORIAL
Sarah-Jane Kelley
No abstract text is available yet for this article.
August 24, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28988724/antiarrhythmics-in-cardiac-arrest-a-systematic-review-and-meta-analysis
#16
REVIEW
Amelia Chowdhury, Brian Fernandes, Thomas M Melhuish, Leigh D White
INTRODUCTION: It is widely accepted that antiarrhythmics play a role in cardiopulmonary resuscitation (CPR) universally, but the absolute benefit of antiarrhythmic use and the drug of choice in advanced life support remains controversial. AIM: To perform a thorough, in-depth review and analysis of current literature to assess the efficacy of antiarrhythmics in advanced life support. MATERIAL AND METHODS: Two authors systematically searched through multiple bibliographic databases including CINAHL, SCOPUS, PubMed, Web of Science, Medline(Ovid) and the Cochrane Clinical Trials Registry...
August 23, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28919071/validation-of-the-retrieve-reverse-triage-events-criteria-for-same-day-return-of-non-st-elevation-acute-coronary-syndrome-patients-to-referring-non-pci-centres
#17
Sonya N Burgess, Vu Huynh Nguyen, James Xu, Yoshio Hinde, Anoop Dharmadmajan, Xavier Brennan, Karen Owen, Karen Lintern, Craig Juergens, Sidney Lo, Phong Nguyen, Krishna K Kadappu, John K French, Rohan Rajaratnam
BACKGROUND: There are continuing bed constraints in percutaneous coronary intervention centres (PCI) so efficient patient triage from referral hospitals is pivotal. To evaluate a strategy of PCI centre (PCIC) bed-sparing we examined return of patients to referral hospitals screened by the RETRIEVE (REverse TRIage EVEnts) criteria and validated its use as a tool for screening suitability for same day transfer of non-ST-elevation acute coronary syndrome (NSTEACS) patients post PCI to their referring non-PCI centre (NPCIC)...
August 19, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28887110/percutaneous-decommissioning-of-left-ventricular-assist-device
#18
Jia-Lin Soon, Ju-Le Tan, Choon-Pin Lim, Teing-Ee Tan, Swee-Yaw Tan, Ka-Lee Kerk, Kheng-Leng David Sim, Cumaraswamy Sivathasan
BACKGROUND: The Left Ventricular Assist Device (LVAD) has revolutionised our treatment of advanced stage heart failure, giving debilitated patients a new lease on life. A small proportion of these LVAD patients can be bridged-to-recovery. The identification of these patients and decision to wean, however, can be challenging. METHODS: The need to fully explant the device upon recovery has evolved to a minimalist approach aiming to avoid injury to the 'recovered' heart...
August 19, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28923394/a-contemporary-phone-based-cardiac-coaching-program-evolution-and-cross-cultural-utility
#19
Peita Price, Mark Tacey, Voula Koufariotis, Daniela Stramandinoli, Ruth Vincent, Leeanne Grigg, Dominica Zentner
BACKGROUND: The Hospital Admission Risk Program (HARP) Cardiac Coach Program at Royal Melbourne Hospital has evolved to include a Greek and Italian service, developed in response to the diverse local community and supported by evidence that Culturally and Linguistically Diverse (CALD) groups both perceive health and respond to health care services and information, differently. This paper aims to evaluate if a phone-based cardiac coaching program can be adapted to the Greek and Italian populations using the English cohort as a comparator...
August 14, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28882495/prevalence-of-zinc-deficiency-in-cardiac-surgery-patients
#20
Lesley A Braun, Ruchong Ou, Christina Kure, Adriana Trang, Franklin Rosenfeldt
BACKGROUND: The aim of this study was to define the status of preoperative zinc levels in patients with heart disease presenting for cardiac surgery and to identify any predictors for and any clinical consequences of low zinc levels. METHODS: Adult patients presenting for elective surgery, either coronary artery bypass graft surgery and/or valve replacement, provided a fasting blood sample on the day of admission for surgery. Plasma and erythrocyte zinc levels were analysed and the levels correlated with the patient's characteristics and clinical outcomes...
August 14, 2017: Heart, Lung & Circulation
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