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https://www.readbyqxmd.com/read/28647935/evaluation-of-patients-with-acute-chest-pain-using-spect-myocardial-perfusion-imaging-prognostic-implications-of-mildly-abnormal-scans
#1
Ronen Goldkorn, Alexey Naimushin, Roy Beigel, Ekaterina Naimushin, Michael Narodetski, Shlomi Matetzky
BACKGROUND: While patients presenting to emergency departments (ER) with chest pain are increasingly managed in chest pain units (CPU) that utilize accelerated diagnostic protocols for risk stratification, such as single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI), data are lacking regarding the prognostic implications of mildly abnormal scans in this population. OBJECTIVES: To evaluate the prognostic implications of mildly abnormal SPECT MPI results in patients with acute chest pain...
June 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28647711/down-syndrome-and-moyamoya-disease-unusual-cause-of-stroke
#2
Carlos Tavares Bello, Catarina Barreiros, Inês Gil, Carlos Vasconcelos
Down syndrome is a frequent clinical entity, being considered one of the most frequent chromosomal aberrations. It is characterised by a typical clinical phenotype and is associated with a heterogeneous group of organ and system-specific abnormalities. The cardiovascular system is commonly affected and if so, it may be associated with an increased morbidity and mortality. Cerebrovascular events in patients with Down syndrome are multifactorial, being possibly related to congenital heart disease, vascular malformations and traditional cardiovascular risk factors...
June 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28647690/acute-kidney-injury-after-primary-angioplasty-is-contrast-induced-nephropathy-the-culprit
#3
Oren Caspi, Manhal Habib, Yuval Cohen, Arthur Kerner, Ariel Roguin, Eitan Abergel, Monther Boulos, Michael R Kapeliovich, Rafael Beyar, Eugenia Nikolsky, Doron Aronson
BACKGROUND: Acute kidney injury (AKI) following primary percutaneous coronary intervention (pPCI) is frequently interpreted as contrast-induced AKI but may result from other insults. We aimed to determine the causal association of contrast material exposure and the incidence of AKI following pPCI using a control group of propensity score-matched patients with ST-segment-elevation myocardial infarction who were not exposed to contrast material. METHODS AND RESULTS: We studied 2025 patients with ST-segment-elevation myocardial infarction who underwent pPCI and 1025 patients receiving fibrinolysis or no reperfusion who were not exposed to contrast material during the first 72 hours of hospital stay (control group)...
June 24, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28647688/antihypertensive-medication-adherence-and-risk-of-cardiovascular-disease-among-older-adults-a-population-based-cohort-study
#4
Quanhe Yang, Anping Chang, Matthew D Ritchey, Fleetwood Loustalot
BACKGROUND: Antihypertension medication (antihypertensive) adherence lowers risk of cardiovascular disease (CVD); few studies have examined this association among older adults. METHODS AND RESULTS: We assessed this association among Medicare fee-for-service beneficiaries aged 66 to 79 years who were newly diagnosed with hypertension and initiated on antihypertensives in 2008-2009 (n=155 597). We calculated proportion of days covered (PDC) during follow-up, using proportional subdistribution hazard models, to examine association between antihypertensive adherence and a composite CVD outcomes, including first incident of fatal/nonfatal acute myocardial infarction, ischemic heart disease, stroke/transient ischemic attack, and heart failure...
June 24, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28647182/preoperative-application-of-combination-of-portal-venous-injection-of-donor-spleen-cells-and-intraperitoneal-injection-of-rapamycin-prolongs-the-survival-of-cardiac-allografts-in-mice
#5
Wen-Lin Gong, Chuang Sha, Gang Du, Zhong-Gui Shan, Zhong-Quan Qi, Su-Fang Zhou, Nuo Yang, Yong-Xiang Zhao
OBJECTIVE: To investigate the effects of preoperative portal venous injection of donor spleen cells (PVIDSC) and intraperitoneal injection of rapamycin in the acute rejection of cardiac allograft in mice and the underlying mechanisms. METHODS: Homogenous female B6 mice and BALB/c mice were used as recipients and donors of heart transplantation. These mice were randomly divided into different groups and received PVIDSC alone, rapamycin alone, or PVIDSC and rapamycin combined therapy...
May 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28647057/prevalence-of-obstructive-sleep-apnoea-in-acute-coronary-syndrome-routine-screening-in-intensive-coronary-care-units
#6
S Morra, F Bughin, K Solecki, M Aboubadra, B Lattuca, F Gouzi, J-C Macia, T-T Cung, S Cade, F Cransac, J-M Davy, Y Dauvilliers, D Corrado, F Roubille
INTRODUCTION: Increased evidence has shown that, despite the maximum care afforded to patients admitted with acute coronary syndromes (ACS), a residual risk of mortality remains, in which obstructive sleep apnoea (OSA) appears to be a largely undiagnosed factor, particularly in the intensive cardiac care unit (ICCU). The purpose of this study is to determine whether the systematic screening for sleep-disordered breathing (SDB) is feasible and may be recommended. The aims of our study are to determine: (1) The estimated prevalence of OSA in patients admitted to the ICCU for ACS determined by a validated, user-friendly portable screening device; (2) The feasibility of the screening in this context; (3) To assess any negative impact of OSA on the severity of ACS...
June 21, 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/28646567/severe-menses-associated-hypertension-successfully-treated-with-gonadotropin-releasing-hormone-agonist
#7
Luke J Laffin, Munnam S Jafar, George L Bakris
A case of a 32-year-old nulliparous white woman referred for a 5-year history of severe hypertension, hypokalemia, and resultant systolic dysfunction is presented. She additionally had a left ventricular ejection fraction of 30% including left ventricular dilation and normal left ventricular mass index, as measured by cardiac magnetic resonance imaging when she initially presented to us. Her history revealed that her severe hypertension episodes were monthly and would occur around the catamenial (menses-associated) time...
June 23, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28646466/effects-of-catheter-based-renal-denervation-on-heart-failure-with-reduced-ejection-fraction-a-systematic-review-and-meta-analysis
#8
REVIEW
Hidekatsu Fukuta, Toshihiko Goto, Kazuaki Wakami, Nobuyuki Ohte
Despite the recent advances in the management of heart failure, the mortality of heart failure patients remains high. It is of urgent need to develop new therapy for heart failure. Heart failure is characterized by increased sympathetic activity, and chronic sympathetic activation is involved in the maintenance of the pathological state. Catheter-based renal denervation (RDN) has emerged as an invasive but safe approach that can reduce sympathetic activation. Studies have reported inconsistent results regarding the effect of RDN in heart failure patients due to limited power with small sample sizes...
June 24, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28645938/practice-patterns-for-acute-ischemic-stroke-workup-a-longitudinal-population-based-study
#9
Matthew C Loftspring, Brett M Kissela, Matthew L Flaherty, Jane C Khoury, Kathleen Alwell, Charles J Moomaw, Dawn O Kleindorfer, Daniel Woo, Opeolu Adeoye, Simona Ferioli, Joseph P Broderick, Pooja Khatri
BACKGROUND: We examined practice patterns of inpatient testing to identify stroke etiologies and treatable risk factors for acute ischemic stroke recurrence. METHODS AND RESULTS: We identified stroke cases and related diagnostic testing from four 1-year study periods (July 1993 to June 1994, 1999, 2005, and 2010) of the Greater Cincinnati/Northern Kentucky Stroke Study. Patients aged ≥18 years were included. We focused on evaluation of extracranial arteries for carotid stenosis and assessment of atrial fibrillation because randomized controlled trials supported treatment of these conditions for stroke prevention across all 4 study periods...
June 23, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28645802/comparative-effects-of-long-and-short-acting-loop-diuretics-on-mortality-in-patients-with-chronic-heart-failure
#10
Shu Kasama, Takuji Toyama, Masahiko Kurabayashi
BACKGROUND: We previously reported that the long-acting loop diuretic azosemide improves cardiac sympathetic nerve activity (CSNA) in patients with chronic heart failure (CHF), compared with short-acting furosemide. However, its influence on mortality has not been determined. METHODS: The present study was a further analysis of our previously published study in which azosemide showed improved (123)I-metaiodobenzylguanidine scintigraphic findings compared with furosemide in CHF patients with reduced left ventricular ejection fraction (LVEF)...
June 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28645469/transcatheter-mitral-valve-repair-with-mitraclip-for-symptomatic-functional-mitral-valve-regurgitation
#11
REVIEW
Rodrigo Mendirichaga, Vikas Singh, Vanessa Blumer, Manuel Rivera, Alex P Rodriguez, Mauricio G Cohen, William W O'Neill, Sammy Elmariah
Transcatheter edge-to-edge mitral valve repair (TMVr) with MitraClip has proved to be safe and effective for high-risk surgical patients with severe symptomatic degenerative mitral regurgitation. There is paucity of data regarding its use in functional mitral regurgitation (FMR). The objective of this study was to evaluate the use of MitraClip in patients with symptomatic moderate or severe FMR and a high surgical risk. Medical libraries were systematically searched for studies assessing the use of MitraClip for patients with symptomatic moderate or severe FMR and a high surgical risk...
May 30, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28645448/takotsubo-syndrome-presenting-as-syncope-in-a-patient-with-permanent-pacemaker
#12
Bharatraj Banavalikar, Sivasankaran Sivasubramonian, Narayanan Namboodiri, Krishna Kumar Mohanan Nair, Dibya Ranjan Behera, Ajitkumar Valaparambil
Takotsubo syndrome is an acute reversible heart failure syndrome triggered by physical or emotional stress, especially in postmenopausal women. Herein, we describe a case of a 31-year-old pacemaker dependent lady who presented with syncope after she was bereaved of her father. Electrocardiogram at admission revealed ventricular paced rhythm at 60/min, prolonged QT interval and frequent runs of torsades de pointes. Transthoracic echocardiogram and left ventriculogram revealed findings typical of Takotsubo syndrome...
May 18, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28645107/effects-of-liraglutide-on-hemodynamic-parameters-in-patients-with-heart-failure
#13
Jin Ying Zhang, Xin Yun Wang, Xiang Wang
Glucagon-like peptide-1 analogues improve left ventricular function in patients with acute myocardial infarction. This study aimed to evaluate the effects of liraglutide on hemodynamic parameters in patients with heart failure. A total of 78 patients with heart failure were enrolled in this study between August 2014 and November 2015. Of these, 52 patients were randomized 1:1 to receive either liraglutide or placebo for 7 days. Hemodynamic measurements were made using transpulmonary thermodilution and arterial pulse contour analysis...
June 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28644897/trpa1-and-trpv1-contribute-to-propofol-mediated-antagonism-of-u46619-induced-constriction-in-murine-coronary-arteries
#14
Pritam Sinharoy, Ian N Bratz, Sayantani Sinha, Loral E Showalter, Spencer R Andrei, Derek S Damron
BACKGROUND: Transient receptor potential (TRP) ion channels have emerged as key components contributing to vasoreactivity. Propofol, an anesthetic is associated with adverse side effects including hypotension and acute pain upon infusion. Our objective was to determine the extent to which TRPA1 and/or TRPV1 ion channels are involved in mediating propofol-induced vasorelaxation of mouse coronary arterioles in vitro and elucidate the potential cellular signal transduction pathway by which this occurs...
2017: PloS One
https://www.readbyqxmd.com/read/28644868/electrophysiological-alterations-in-a-murine-model-of-chronic-coxsackievirus-b3-myocarditis
#15
Sven Kaese, Robert Larbig, Matthias Rohrbeck, Gerrit Frommeyer, Dirk Dechering, Jan Olligs, Sabine Schönhofer-Merl, Rainer Wessely, Karin Klingel, Guiscard Seebohm, Lars Eckardt
INTRODUCTION: Coxsackievirus B3 (CVB3) is known to induce acute and chronic myocarditis. Most infections are clinically unapparent but some patients suffer from ventricular arrhythmias (VA) and sudden cardiac death (SCD). Studies showed that acute CVB3 infection may cause impaired function of cardiac ion channels, creating a proarrhythmic substrate. However, it is unknown whether low level CVB3+ expression in myocytes may cause altered cardiac electrophysiology leading to VA. METHODS: Cellular electrophysiology was used to analyze cellular action potentials (APs) and occurrence of afterdepolarizations from isolated cardiomyocytes of wildtype (WT) and transgenic CVB3ΔVP0 (CVB3+) mice...
2017: PloS One
https://www.readbyqxmd.com/read/28644260/intravenous-alteplase-for-acute-stroke-and-pulmonary-embolism-in-a-patient-with-recent-abdominoplasty
#16
Michael E Christiansen, Gyanendra Kumar, Raman C Mahabir, Richard A Helmers, Bernard R Bendok, Cumara B O'Carroll
INTRODUCTION: Major surgery in the past 14 days is a relative contraindication to treatment of acute stroke with intravenous (IV) alteplase. The 2016 American Heart Association/American Stroke Association scientific statement discussing inclusion and exclusion criteria for alteplase in acute stroke allows for provider judgment citing a lack of evidence to support surgery as an absolute contraindication. CASE REPORT: A 59-year-old woman presented with acute left hemiparesis, dysarthria, and acute respiratory failure...
July 2017: Neurologist
https://www.readbyqxmd.com/read/28642328/leukocyte-diversity-in-resolving-and-nonresolving-mechanisms-of-cardiac-remodeling
#17
REVIEW
Bochra Tourki, Ganesh Halade
In response to myocardial infarction (MI), time-dependent leukocyte infiltration is critical to program the acute inflammatory response. Post-MI leukocyte density, residence time in the infarcted area, and exit from the infarcted injury predict resolving or nonresolving inflammation. Overactive or unresolved inflammation is the primary determinant in heart failure pathology post-MI. Here, our review describes supporting evidence that the acute inflammatory response also guides the generation of healing and regenerative mediators after cardiac damage...
June 22, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28642290/coronary-events-complicating-infective-endocarditis
#18
Virginie Roux, Erwan Salaun, Christophe Tribouilloy, Sandrine Hubert, Yohann Bohbot, Jean-Paul Casalta, Pierre-Antoine Barral, Dan Rusinaru, Frederique Gouriet, Cecile Lavoute, Julie Haentjens, Mathieu Di Biscegli, Aurelie Dehaene, Sebastien Renard, Anne-Claire Casalta, Julie Pradier, Jean-Francois Avierinos, Alberto Riberi, Marc Lambert, Frederic Collart, Alexis Jacquier, Franck Thuny, Laurence Camoin-Jau, Hubert Lepidi, Didier Raoult, Gilbert Habib
OBJECTIVE: Acute coronary syndromes (ACS) are a rare complication of infective endocarditis (IE). Only case reports and small studies have been published to date. We report the largest series of ACS in IE. The aim of our study was to describe the incidence and mechanisms of ACS associated with IE, to assess their prognostic impact and to describe their management. METHODS: In a bicentre prospective observational cohort study, all patients with a definite diagnosis of IE were prospectively included...
June 22, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28642065/severe-and-resistant-hypertension-in-an-older-woman-with-claudication
#19
Puneet Gupta, Robert Hagberg, Electra Kaloudis, Anika Lucas, Parth Shah, William B White
Coarctation of the aorta is an uncommon cause of treatment-resistant hypertension in adults. It is typically detected and treated in infancy or childhood with surgical or endovascular procedures. Most cases of recurrence of coarctation after repair occur in childhood or early adulthood; recurrence in older persons (>70 years) has rarely been reported. A 73-year-old woman was referred to us for the management of treatment-resistant hypertension accompanied by symptoms of claudication and headaches, which had resulted in multiple emergency room visits...
June 1, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28642014/acute-hemodynamic-effects-of-intravenous-adenosine-in-patients-with-associated-pulmonary-arterial-hypertension-comparison-with-intravenous-epoprostenol
#20
Rosario Rossi, Francesca Coppi, Fabio Sgura, Daniel Monopoli, Giuseppe Boriani
Exogenous intravenous (IV) adenosine and epoprostenol are effective vasodilator agents, causing a substantial reduction in pulmonary vascular resistance in patients affected by idiopathic pulmonary arteriolar hypertension (PAH). Their action, in patients with PAH associated with other pathological conditions, is not well defined. In the present paper the authors retrospectively analyzed the acute hemodynamic effects of intravenous adenosine and epoprostenol in 30 consecutive patients (mean age: 58 ± 15 years; 21 females, and 9 males) affected by PAH associated with other pathological conditions, as determined by changes from baseline in systemic and pulmonary hemodynamic parameters...
June 19, 2017: Pulmonary Pharmacology & Therapeutics
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