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https://www.readbyqxmd.com/read/27921167/the-real-world-in-the-clinic-before-and-after-the-establishment-of-guidelines-for-coronary-artery-spasm-a-questionnaire-for-members-of-the-japanese-cine-angio-association
#1
Shozo Sueda, Hiroaki Kohno, Hideaki Yoshino
We investigated the clinical situations and the present knowledge of Japanese cardiologists about coronary artery spasm before and after the establishment of guidelines for this condition in the real world. A questionnaire was developed regarding the number of cases of coronary angiography, percutaneous coronary intervention, and invasive/non-invasive spasm provocation tests before (2008) and after (2014) the establishment of the Japanese Circulation Society (JCS) guidelines for coronary artery spasm and the status of spasm provocation tests...
December 5, 2016: Heart and Vessels
https://www.readbyqxmd.com/read/27920833/the-association-between-defibrillation-shock-energy-and-acute-cardiac-damage-in-patients-with-implantable-cardioverter-defibrillators
#2
Daisuke Ishigaki, Daisuke Kutsuzawa, Takanori Arimoto, Tadateru Iwayama, Naoaki Hashimoto, Yu Kumagai, Satoshi Nishiyama, Hiroki Takahashi, Tetsuro Shishido, Takuya Miyamoto, Joji Nitobe, Akio Fukui, Tetsu Watanabe, Isao Kubota
BACKGROUND: The aim of this study was to establish a minimally invasive defibrillation testing (DT) protocol for patients with implantable cardioverter defibrillators (ICDs). METHODS: Two different energy DTs were performed, immediately after (15 J-DT) and 7 days after (≤10 J-DT) device implantation, in 20 consecutive ICD implantation patients. Cardiac-troponin T (c-TNT) and heart-type fatty acid binding protein (H-FABP) levels were measured before implantation, 2 h after implantation, and 1 day after each DT...
December 2016: Journal of Arrhythmia
https://www.readbyqxmd.com/read/27920830/impact-of-catheter-ablation-of-ventricular-tachycardia-in-patients-with-prior-myocardial-infarctions
#3
Masato Fukunaga, Masahiko Goya, Kenichi Hiroshima, Kentaro Hayashi, Masatsugu Ohe, Yu Makihara, Michio Nagashima, Yoshimori An, Shinichi Shirai, Kenji Ando, Hiroyoshi Yokoi, Masashi Iwabuchi
BACKGROUND: Catheter ablation can reduce episodes of ventricular tachycardia (VT) after myocardial infarction (MI). However, the optimal endpoint of the ablation procedure remains unclear. METHODS: Fifty-one consecutive patients who received catheter ablation for VT after MI were included. The procedures targeted the isthmus of all the induced, sustained VTs. When the patients with induced VTs were hemodynamically stable, radiofrequency energy was delivered at the mid-diastolic potential recording site during VT...
December 2016: Journal of Arrhythmia
https://www.readbyqxmd.com/read/27920807/underdiagnosis-of-osteoporotic-vertebral-fractures-in-patients-with-fragility-fractures-retrospective-analysis-of-over-300-patients
#4
Vanna Bottai, Stefano Giannotti, Gloria Raffaetà, Maurizio Mazzantini, Francesco Casella, Gaia De Paola, Agnese Menconi, Francesca Falossi, Giulio Guido
Osteoporosis (OP) is a silent disease unless a fracture occurs; it is a major health problem, mainly due to fragility fractures, that occur at vertebral and peripheral sites. Vertebral fractures (VF) are probably the most common fragility fractures, but they go often unrecognized. The main clinical symptoms of VF are acute and chronic back pain, spinal deformity, reduced mobility and impaired quality of life. They are frequently associated with other fragility fractures. We examined 478 patients at our outpatient clinic, who were referred for fragility fracture occurrence...
May 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/27918847/left-ventricular-compressions-improve-hemodynamics-in-a-swine-model-of-out-of-hospital-cardiac-arrest
#5
Kenton L Anderson, Maria G Castaneda, Susan M Boudreau, Danny J Sharon, Vikhyat S Bebarta
INTRODUCTION: We hypothesized that chest compressions located directly over the left ventricle (LV) would improve hemodynamics, including coronary perfusion pressure (CPP), and return of spontaneous circulation (ROSC) in a swine model of cardiac arrest. METHODS: Transthoracic echocardiography (echo) was used to mark the location of the aortic root and the center of the left ventricle on animals (n = 26) which were randomized to receive chest compressions in one of the two locations...
December 5, 2016: Prehospital Emergency Care
https://www.readbyqxmd.com/read/27918827/optic-radiations-microstructural-changes-in-glaucoma-and-association-with-severity-a-study-using-3tesla-magnetic-resonance-diffusion-tensor-imaging
#6
Laury Tellouck, Muriel Durieux, Pierrick Coupé, Audrey Cougnard-Grégoire, Joy Tellouck, Thomas Tourdias, Fanny Munsch, Arnaud Garrigues, Catherine Helmer, Florence Malet, Jean-François Dartigues, Vincent Dousset, Cécile Delcourt, Cédric Schweitzer
Purpose: To compare microstructural changes along the optical radiations and brain structure volumes between glaucoma and control subjects using in vivo magnetic resonance imaging and to analyze their association with severity of the disease. Methods: A total of 50 open-angle glaucoma subjects and 50 healthy age- and sex-matched controls underwent detailed ophthalmologic examinations (including visual field testing [VF], funduscopy, and spectral-domain optical coherence tomography) as well as diffusion tensor imaging (DTI) using 3...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27916924/divergent-expression-patterns-in-two-vernicia-species-revealed-the-potential-role-of-the-hub-gene-vmap2-erf036-in-resistance-to-fusarium-oxysporum-in-vernicia-montana
#7
Qiyan Zhang, Ming Gao, Liwen Wu, Yangdong Wang, Yicun Chen
Tung oil tree (Vernicia fordii) is a promising industrial oil crop; however, this tree is highly susceptible to Fusarium wilt disease. Conversely, Vernicia montana is resistant to the pathogen. The APETALA2/ethylene-responsive element binding factor (AP2/ERF) transcription factor superfamily has been reported to play a significant role in resistance to Fusarium oxysporum. In this study, comprehensive analysis identified 75 and 81 putative Vf/VmAP2/ERF transcription factor-encoding genes in V. fordii and V. montana, respectively, which were divided into AP2, ERF, related to ABI3 and VP1 (RAV) and Soloist families...
December 1, 2016: Genes
https://www.readbyqxmd.com/read/27916812/synthesis-and-structure-activity-relationships-of-a-series-of-aporphine-derivatives-with-antiarrhythmic-activities-and-acute-toxicity
#8
Hui Wang, Xin Cheng, Shujun Kong, Zixian Yang, Hongmei Wang, Qiuyan Huang, Jingyu Li, Cheng Chen, Yunshu Ma
Some aporphine alkaloids, such as crebanine, were found to present arrhythmic activity and also higher toxicity. A series of derivatives were synthesized by using three kinds of aporphine alkaloids (crebanine, isocorydine, and stephanine) as lead compounds. Chemical methods, including ring-opening reaction, bromination, methylation, acetylation, quaternization, and dehydrogenation, were adopted. Nineteen target derivatives were evaluated for their antiarrhythmic potential in the mouse model of ventricular fibrillation (VF), induced by CHCl₃, and five of the derivatives were investigated further in the rat model of arrhythmia, induced by BaCl₂...
November 28, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27916714/comparison-of-retinal-vessel-diameter-between-open-angle-glaucoma-patients-with-initial-parafoveal-scotoma-and-peripheral-nasal-step
#9
Eunjoo Yoo, Chungkwon Yoo, Tae-Eun Lee, Yong Yeon Kim
PURPOSE: To compare retinal vessel diameters (RVDs) between open-angle glaucoma (OAG) patients with initial parafoveal scotoma (PFS) and those with initial peripheral nasal step (PNS). DESIGN: Retrospective, cross-sectional study METHODS: We enrolled 151 eyes of 151 patients with OAG (83 with normal-tension glaucoma [NTG] and 68 with primary open-angle glaucoma [POAG]). The patients were categorized into the PFS and PNS groups according to the location of the initial visual field (VF) defect...
December 1, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27916214/assessment-of-abdominal-fat-using-high-field-magnetic-resonance-imaging-and-anthropometric-and-biochemical-parameters
#10
Ali Al-Radaideh, Reema Tayyem, Kholoud Al-Fayomi, Nisreen Nimer, Amer Malkawi, Rana Al-Zu Bi, Lana Agraib, Imad Athamneh, Nawal Hijjawi
BACKGROUND: To measure the abdominal subcutaneous fat (SF) and visceral fat (VF) volumes using high-field magnetic resonance imaging (MRI) and to investigate their association with selected anthropometric and biochemical parameters among obese and nonobese apparently healthy participants. METHODS: A cross-sectional study was conducted by recruiting 167 healthy participants. Abdominal scans were acquired at 3T MRI, and the SF and VF were segmented and their volumes were calculated...
December 2016: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/27914693/high-prevalence-of-osteoporosis-and-morphometric-vertebral-fractures-in-indian-males-aged-60-years-and-above-should-age-for-screening-be-lowered
#11
Khurshid A Bhat, Manisha Kakaji, Ashish Awasthi, Manoj Shukla, Manoj Dubey, Rajesh Srivastava, Uttam Singh, Sushil K Gupta
Current guidelines recommend bone mineral density (BMD) measurement in asymptomatic men above age 70 years and vertebral fracture (VF) assessment above 80 years with T-score <-1.0 with risk factors. We studied the prevalence of osteoporosis and morphometric VF in asymptomatic males aged 60 years and above in North India. Free-living community-dwelling men (n = 241, age: mean ± standard deviation 68.0 ± 6.2 years) underwent a detailed history, physical examination, biochemical evaluation, and BMD measurements at 3 sites: lumbar spine, total hip (TH), and femoral neck (FN)...
November 30, 2016: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/27913738/extracorporeal-membrane-oxygenation-in-transcatheter-aortic-valve-replacement
#12
Elena Dolmatova, Kasra Moazzami, Thomas P Cocke, Elie Elmann, Pranay Vaidya, Arthur F Ng, Kumar Satya, Rajeev L Narayan
BACKGROUND: Patients undergoing transcatheter aortic valve replacement can experience severe perioperative complications leading to hemodynamic instability and death. Venoarterial extracorporeal membrane oxygenation can be used to provide cardiorespiratory support during this time. METHODS: From 2012 to 2015, of 247 patients who underwent transcatheter aortic valve replacement, 6 (2.42%) required extracorporeal membrane oxygenation support. Their mean age was 82 ± 7...
December 2, 2016: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/27909531/brugada-syndrome-risk-stratification-and-management
#13
REVIEW
Konstantinos P Letsas Md Fesc, Stamatis Georgopoulos Md, Konstantinos Vlachos Md, Nikolaos Karamichalakis Md, Ioannis Liatakis Md, Panagiotis Korantzopoulos Md PhD, Tong Liu Md PhD, Michael Efremidis Md, Antonios Sideris Md
The Brugada syndrome (BrS) is an arrhythmogenic disease associated with an increased risk of ventricular fibrillation and sudden cardiac death. The risk stratification and management of BrS patients, particularly of asymptomatic ones, still remains challenging. A previous history of aborted sudden cardiac death or arrhythmic syncope in the presence of spontaneous type 1 ECG pattern of BrS phenotype appear to be the most reliable predictors of future arrhythmic events. Several other ECG parameters have been proposed for risk stratification...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27908173/pacemaker-and-icd-oversensing-induced-by-movements-near-the-mri-scanner-bore
#14
E Mattei, F Censi, G Calcagnini, R Falsaperla, E Genovese, A Napolitano, V Cannatà
PURPOSE: The effect of the movement near the MRI scanner bore for people with a pacemaker (PM) or an implantable cardioverter defibrillator (ICD) is experimentally evaluated and discussed. METHODS: The authors performed in vitro measurements on a saline-filled human-shaped phantom (male, 170 cm height), equipped first with an MR-conditional PM (bicameral configuration, DDD programming), then with an MR-conditional ICD (biventricular configuration, detection algorithms enable but shock delivery disable)...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27907904/a-new-cryoenergy-for-ventricular-tachycardia-ablation-a-proof-of-concept-study
#15
Benjamin Berte, Frédéric Sacher, Jean-Yves Wielandts, Saagar Mahida, Xavier Pillois, Rukshen Weerasooriya, Olivier Bernus, Pierre Jaïs
INTRODUCTION: Lack of transmural lesion formation during radiofrequency (RF) ablation for ventricular tachycardia (VT) is an important determinant of arrhythmia recurrence. The aim of this proof-of-concept study was to evaluate safety and efficacy of a new and more powerful cryoablation system for ventricular ablation. METHODS AND RESULTS: Five healthy female sheep (59 ± 6 kg) underwent a surgical sternotomy for epicardial and endocardial access [endocardial access via right atrial appendage and left ventricular (LV) apex]...
October 25, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27906641/time-to-cooling-is-associated-with-resuscitation-outcomes
#16
Robert B Schock, Andreas Janata, W Frank Peacock, Nathan S Deal, Sarathi Kalra, Fritz Sterz
Our purpose was to analyze evidence related to timing of cooling from studies of targeted temperature management (TTM) after return of spontaneous circulation (ROSC) after cardiac arrest and to recommend directions for future therapy optimization. We conducted a preliminary review of studies of both animals and patients treated with post-ROSC TTM and hypothesized that a more rapid cooling strategy in the absence of volume-adding cold infusions would provide improved outcomes in comparison with slower cooling...
December 2016: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/27906419/sch-79797-a-selective-par1-antagonist-protects-against-ischemia-reperfusion-induced-arrhythmias-in-the-rat-hearts
#17
O Y Mohamed, A A Al-Masri, E A El Eter, R Lateef
OBJECTIVE: Thrombin is implicated in the genesis of arrhythmias and activation of thrombin receptors exacerbated ventricular arrhythmias following coronary artery ligation. The present study was designed to investigate the possible protective effect of the protease-activated receptor-1 antagonist, SCH79797 against ischemia and reperfusion arrhythmias in the rat heart. MATERIALS AND METHODS: Healthy male Wistar rats (250-350 g) were anesthetized with urethane. Coronary artery ligation was performed for 5 minutes followed by 10 minutes reperfusion...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27905308/a-case-of-extreme-hypokalaemia
#18
L M Ten Bos, T C Veenstra, B D Westerhof, F H Bosch
Hypokalaemia is a common clinical problem. It can lead to severe disturbances in cardiac, neurological and muscle function. We present the case of a 45-year-old woman who was transported to our hospital with cardiac arrest following ventricular fibrillation. Blood sampling revealed severe acidosis (pH 7.02) and extreme hypokalaemia (0.9 mmol/l). The low serum potassium level was most likely caused by the combination of a very deficient diet and use of a thiazide diuretic. She never reported any symptoms. An acute intracellular shift of potassium due to epinephrine and perhaps also the cathecholamines in Red Bull may have further decreased the serum potassium concentration...
November 2016: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/27904259/profile-and-outcome-of-sudden-cardiac-arrests-in-the-emergency-department-of-a-tertiary-care-hospital-in-south-india
#19
Gautham Raja Pandian, Suma Mary Thampi, Nilanchal Chakraborty, Deepthi Kattula, Paul Prabhakar Abhilash Kundavaram
BACKGROUND: Sudden cardiac arrest (SCA) requiring cardiopulmonary resuscitation (CPR) is one of the common emergencies encountered in the emergency department (ED) of any hospital. Although several studies have reported the predictors of CPR outcome in general, there are limited data from the EDs in India. MATERIALS AND METHODS: This retrospective study included all patients above 18 years with SCA who were resuscitated in the ED of a tertiary care hospital with an annual census of 60,000 patients between August 2014 and July 2015...
October 2016: Journal of Emergencies, Trauma, and Shock
https://www.readbyqxmd.com/read/27903475/technical-aspects-of-open-repair-for-degenerative-aneurysmal-evolution-despite-early-thoracic-endovascular-repair-of-type-b-aortic-dissection
#20
Sonia Aguir, Salma El Batti, Paul Achouh, Pierre Julia, Alain Bel, Jean-Noël Fabiani, Jean-Marc Alsac
: Closure of the proximal tear by Thoracic Endovascular Aortic Repair (TEVAR) at the acute phase appears to be an safe effective treatment to prevent aneurysmal degeneration type B dissection. However, it appears to be inefficient in up to a third of the patient. We report the technical aspects of our experience with patients undergoing secondary open repair after TEVAR for dissecting thoraco-abdominal aneurysm despite early closure proximal tear by TEVAR. METHODS: During a period of 5 years, 96 patients presenting acute Type B Aortic Dissections (TBAD) were treated by TEVAR and followed-up in our institution...
November 26, 2016: Annals of Vascular Surgery
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