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https://www.readbyqxmd.com/read/29343965/postural-tachycardia-syndrome-current-perspectives
#1
REVIEW
Rachel Wells, Andrew J Spurrier, Dominik Linz, Celine Gallagher, Rajiv Mahajan, Prashanthan Sanders, Amanda Page, Dennis H Lau
Postural tachycardia syndrome (POTS) is the combination of an exaggerated heart rate response to standing, in association with symptoms of lightheadedness or pre-syncope that improve when recumbent. The condition is often associated with fatigue and brain fog, resulting in significant disruptions at a critical time of diagnosis in adolescence and young adulthood. The heterogeneity of the underlying pathophysiology and the variable response to therapeutic interventions make management of this condition challenging for both patients and physicians alike...
2018: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/29343007/-introduction-to-the-6th-national-conference-of-pediatric-syncope
#2
J J Liu, X H Li, L Shi
No abstract text is available yet for this article.
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29342990/-intensive-reading-and-interpretation-of-the-expert-consensus-on-the-treatment-of-vasovagal-syncope-and-postural-tachycardia-syndrome-in-children
#3
Y Liao, J B Du
No abstract text is available yet for this article.
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29342989/-expert-consensus-on-the-treatment-of-vasovagal-syncope-and-postural-tachycardia-syndrome-in-children
#4
(no author information available yet)
No abstract text is available yet for this article.
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29331491/investigating-the-relationship-between-cardiac-interoception-and-autonomic-cardiac-control-using-a-predictive-coding-framework
#5
Andrew P Owens, Karl J Friston, David A Low, Christopher J Mathias, Hugo D Critchley
Predictive coding models, such as the 'free-energy principle' (FEP), have recently been discussed in relation to how interoceptive (afferent visceral feedback) signals update predictions about the state of the body, thereby driving autonomic mediation of homeostasis. This study appealed to 'interoceptive inference', under the FEP, to seek new insights into autonomic (dys)function and brain-body integration by examining the relationship between cardiac interoception and autonomic cardiac control in healthy controls and patients with forms of orthostatic intolerance (OI); to (i) seek empirical support for interoceptive inference and (ii) delineate if this relationship was sensitive to increased interoceptive prediction error in OI patients during head-up tilt (HUT)/symptom provocation...
January 9, 2018: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/29329826/gender-differences-in-presentation-treatment-and-in-hospital-outcome-of-patients-admitted-with-heart-failure-complicated-by-atrial-fibrillation-from-the-get-with-the-guidelines-heart-failure-gwtg-hf-registry
#6
Mitra Daneshvar, Nayan Desai, John Andriulli, Matthew Ortman, Eben Eno, Krystal Hunter, Andrea M Russo
Almost 25% of patients with heart failure (HF) have coexisting atrial fibrillation (AF), the latter of which may increase morbidity and mortality. Despite the high prevalence of HF with concomitant AF, this subgroup of patients remains understudied. This study examines gender differences in presentation, treatment and in-hospital outcome of patients with HF and AF. The Get With the Guidelines-Heart Failure (GWTG-HF) database enrolled 6,496 patients with HF who presented to Cooper University Hospital from 2005 to 2012...
January 9, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29326853/purtscher-like-retinopathy-associated-with-atypical-hemolytic-uremic-syndrome
#7
Melih Ustaoğlu, Feyza Önder, Nilgün Solmaz, Savaş Öztürk, Mesut Ayer
A 25-year-old woman presented with acute bilateral blurred vision and history of headache, dizziness, and syncope for three days. Her visual acuity was 20/60 in both eyes. Fundoscopy revealed multiple bilateral peripapillary yellow-white patches like cotton wool spots, intraretinal hemorrhages and macular edema. The patient was diagnosed with Purtscher-like retinopathy based on the retinal findings and lack of trauma history. She was urgently admitted to the nephrology clinic due to thrombotic microangiopathy findings (hemoglobinemia, thrombocytopenia, and acute renal failure)...
December 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/29326833/ganglionated-plexi-ablation-physiology-and-clinical-applications
#8
Stavros Stavrakis, Sunny Po
Ganglionated plexi (GP), consisting of conglomerations of autonomic ganglia on the epicardial surface of the heart, have been shown to play a significant role in different arrhythmias, including atrial fibrillation. GP ablation has become an adjunctive procedure in the treatment of atrial fibrillation, while it has been used successfully in preliminary studies in vasovagal syncope. This review will present the current data on the physiology and clinical applications of GP ablation in the treatment of atrial fibrillation and other diseases...
December 2017: Arrhythmia & Electrophysiology Review
https://www.readbyqxmd.com/read/29325638/implantable-cardioverter-defibrillators-in%C3%A2-children-and-adolescents-with-brugada%C3%A2-syndrome
#9
M Cecilia Gonzalez Corcia, Juan Sieira, Gudrun Pappaert, Carlo de Asmundis, Gian Battista Chierchia, Mark La Meir, Andrea Sarkozy, Pedro Brugada
BACKGROUND: Young patients presenting with symptomatic Brugada syndrome have very high risks for ventricular arrhythmias and should be carefully considered for implantable cardioverter-defibrillator (ICD) placement. However, this therapy is associated with high rates of inappropriate shocks and device-related complications. OBJECTIVES: This study investigated clinical features, management, and long-term follow-up of young patients with Brugada syndrome and ICD. METHODS: Patients diagnosed with Brugada syndrome, who underwent implantation of an ICD at an age of ≤20 years, were studied...
January 16, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29325364/-the-efficacy-and-safety-of-coil-embolization-of-septal-branch-in-the-treatment-of-patients-with-obstructive-hypertrophic-cardiomyopathy
#10
H Liu, Q Wu, H W Tan, J Pang
Objective: To observe the clinical efficacy and safety of coil embolization of septal branch in the treatment of obstructive hypertrophic cardiomyopathy (HOCM). Methods: Eighteen patients with HOCM hospitalized in our department from September 2014 to October 2016 were enrolled in this study. There were 12 males and 6 females in this cohort and the age of patients ranged from 22 to 64 years old. Left ventricular outflow tract gradient (LVOTG) was derived from echocardiographic apical five-chamber view at pre-operation and at 48 hours and 6 months post operation...
December 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29325363/-related-factors-for-the-development-of-fulminant-myocarditis-in-adults
#11
L J Sun, L J Guo, M Cui, Y Li, B D Zhou, J L Han, Z Zhang, Y Z Zhang, W Gao
Objective: To determine the early recognizable factors related to patients with fulminant myocarditis. Methods: Medical records from 60 adult patients who were diagnosed with acute viral myocarditis from January 2003 to September 2016 in our hospital were retrospectively reviewed, and divided into the fulminant group (n=9) and the non-fulminant group (n=51). Clinical presentations, biochemical markers, electrocardiography and echocardiography features on admission were analyzed. Results: Prevalence of syncope (33...
December 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29325362/-predicting-value-of-2014-european-guidelines-risk-prediction-model-for-sudden-cardiac-death-hcm-risk-scd-in-chinese-patients-with-hypertrophic-cardiomyopathy
#12
W X Li, L W Liu, J Wang, L Zuo, F Yang, N Kang, C H Lei
Objective: To evaluate the predicting value of the 2014 European Society of Cardiology (ESC) guidelines risk prediction model for sudden cardiac death (HCM Risk-SCD) in Chinese patients with hypertrophic cardiomyopathy (HCM), and to explore the predictors of adverse cardiovascular events in Chinese HCM patients. Methods: The study population consisted of a consecutive 207 HCM patients admitted in our center from October 2014 to October 2016. All patients were followed up to March 2017. The 5-year SCD probability of each patient was estimated using HCM Risk-SCD model based on electrocardiogram, echocardiography and cardiac magnetic resonance (CMR) examination results...
December 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29315719/oversensing-of-transthoracic-excitation-stimuli-in-contemporary-pacemakers
#13
James D Ryan, Nathan D Tempel, Dean D Engle, David L Hayes, Yong-Mei Cha, Samuel J Asirvatham
BACKGROUND: Transthoracic impedance measurements (TIM) is primarily used for minute ventilation (MV) rate adaptive sensors in pacemakers. With elevated impedance the TIM electrical signal itself is oversensed causing device malfunction. OBJECTIVE: We report an increased incidence of TIM oversensing. METHOD: Retrospective chart review. We review existing records of 18 patients who have demonstrated device malfunction with TIM oversensing. RESULTS: We have found a 1...
January 5, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29315367/sudden-death-in-patients-with-ebstein-anomaly
#14
Christine H Attenhofer Jost, Nicholas Y Tan, Abdalla Hassan, Emily R Vargas, David O Hodge, Joseph A Dearani, Heidi Connolly, Samuel J Asirvatham, Christopher J McLeod
Aims: Ventricular dysfunction or structural alteration of either ventricle is a well-established risk factor for sudden death (SD). Ebstein anomaly (EA) can present with both right and left heart abnormalities; however, predictors of SD have not been described. We therefore sought to characterize the incidence and risk factors of SD among a large cohort of patients with EA. Methods and results: All EA patients who underwent evaluation at a high-volume institution over a 4-decade period were retrospectively reviewed...
January 5, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29314105/ambulatory-diagnostic-ecg-monitoring-for-syncope-and-collapse-an-assessment-of-clinical-practice-in-the-united-states
#15
David G Benditt, Wayne O Adkisson, Richard Sutton, Robin K Mears, Scott Sakaguchi
INTRODUCTION: Diagnostic ambulatory ECG (AECG) monitoring is widely used for evaluating syncope and collapse, and practice guidelines provide recommendations regarding optimal AECG device selection. However, whether physicians utilize AECGs in accordance with the pertinent guidelines is unclear. This study assessed utilization of AECG monitoring systems for syncope and collapse diagnosis by physicians in the United States. METHODS AND RESULTS: A quantitative survey was undertaken of physicians comprising multiple specialties (Emergency Room, n = 35; Primary care, n = 35; Hospitalists, n = 30; Neurologists, n = 30; non-implanting, n = 34 and implanting-Cardiologists, n = 35)...
January 4, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29310365/ebv-lymphoproliferative-associated-disease-and-primary-cardiac-t-cell-lymphoma-in-a-stk4-deficient-patient-a-case-report
#16
Roya Sherkat, Mohammad Reza Sabri, Bahar Dehghan, Hamid Bigdelian, Nahid Reisi, Nooshin Afsharmoghadam, Hamid Rahimi, Narges Rahmanian, Cristoph Klein
RATIONALE: Primary cardiac lymphoma (PLC) is an extremely uncommon malignancy. PCL is more common in secondary immunodeficient patients. In this report, we describe a unique case of PLC who had been diagnosed as a STK4 deficient patient. This case is the first Primary immunodeficiency (PID) patient developing PCL in the world. PATIENT CONCERNS: An eleven-year-old girl, a known case of PID, was referred to the pediatric cardiology department because of chest pain and dyspnea...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29309564/role-of-syncope-in-predicting-adverse-outcomes-in-patients-with-suspected-brugada-syndrome-undergoing-standardized-flecainide-testing
#17
Juan Pablo Flórez, Daniel García, Irene Valverde, José Rubín, Diego Pérez, Mar González-Vasserot, Julián Reguero, Jesús María de la Hera, Pablo Avanzas, Juan Gómez, Eliecer Coto, César Morís, David Calvo
Aims: Sensitivity to flecainide testing results in suboptimal findings in patients with Brugada syndrome (BrS), leading to safety concerns. Because cardiac syncope effectively predicts outcomes in BrS, we aimed to explore its predictive value in a large cohort of negative and positive responders (NR and PR) to standard flecainide testing. Methods and results : We analysed the data of 251 consecutive patients, 177 NR vs. 74 PR, to flecainide testing, performed according to standard recommendations...
December 22, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29306267/role-of-emergency-department-observation-units-in-the-management-of-patients-with-unexplained-syncope-a-critical-review-and-meta-analysis
#18
REVIEW
Filippo Numeroso, Gianluigi Mossini, Giuseppe Lippi, Gianfranco Cervellin
This meta-analysis aimed to establish the role of standardized emergency department (ED) observation protocols in the management of syncopal patients as an alternative to ordinary admission. A systematic electronic literature search was performed to identify randomized controlled trials or observational studies evaluating syncopal patients managed in ED observation units. Data regarding mean length of stay, rate of etiological diagnosis, admission rate, and incidence of short-term serious outcomes were extracted...
December 2017: Clinical and Experimental Emergency Medicine
https://www.readbyqxmd.com/read/29304952/clinical-effectiveness-of-a-systematic-pill-in-the-pocket-approach-for-the-management-of-paroxysmal-atrial-fibrillation
#19
Jason G Andrade, Jenny MacGillivray, Laurent Macle, Ren Jie Robert Yao, Matthew Bennett, Christopher B Fordyce, Nathaniel Hawkins, Andrew Krahn, John Jue, Krishnan Ramanathan, Teresa Tsang, Ken Gin, Marc W Deyell
BACKGROUND: For patients with symptomatic, sustained atrial fibrillation (AF), a "pill-in-the-pocket" antiarrhythmic drug (PIP-AAD) strategy has been proposed to reduce emergency department (ED) use. OBJECTIVE: To assess the clinical utility of a protocolled PIP-AAD approach within contemporary practice. METHODS: Consecutive patients who hemodynamically tolerated symptomatic, sustained AF were prospectively managed with the PIP-AAD strategy...
January 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29303759/cardiovascular-considerations-for-the-dental-practitioner-2-management-of-cardiac-emergencies
#20
Kenneth Kufta, Mana Saraghi, Helen Giannakopoulos
Medical emergencies are not uncommon in dental practices. Syncope has commonly been found to account for the majority of these emergencies in a dental setting, but some studies have reported cardiovascular events as the most common type of emergency. It is critical that every dentist be prepared with the knowledge and equipment necessary to respond in emergency situations. This article aims to provide dentists with essential knowledge about management of cardiovascular emergencies.
January 2018: General Dentistry
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