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https://www.readbyqxmd.com/read/28523371/impact-of-electrocardiogram-screening-during-drug-challenge-test-for-the-prediction-of-t-wave-oversensing-by-a-subcutaneous-implantable-cardioverter-defibrillator-in-patients-with-brugada-syndrome
#1
Tsukasa Kamakura, Mitsuru Wada, Kohei Ishibashi, Yuko Y Inoue, Koji Miyamoto, Hideo Okamura, Satoshi Nagase, Takashi Noda, Takeshi Aiba, Satoshi Yasuda, Kengo Kusano
Screening tests conducted at rest may be inadequate for the prediction of the T-wave oversensing (TWOS) in subcutaneous implantable cardioverter defibrillator (S-ICD) candidates with Brugada syndrome (BrS) because of the dynamic nature of electrocardiogram (ECG) morphology. We evaluated the utility of ECG screening during drug challenge (DC) for prediction of TWOS in BrS patients implanted with an S-ICD. The study enrolled 6 consecutive BrS patients implanted with an S-ICD. In addition to baseline ECG screening, pre-implant screening during DC using a sodium channel blocker was performed in all patients...
May 18, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28522320/risks-and-consequences-of-puerperal-uterine-inversion-in-the-united-states-2004-2013
#2
Sarah L Coad, Leanne S Dahlgren, Jennifer A Hutcheon
BACKGROUND: Puerperal uterine inversion is a rare, potentially life-threatening obstetrical emergency. The current literature consists of small case series and a single nationwide study from Europe with only 15 cases. OBJECTIVE: We aimed to define the incidence, temporal trends and outcomes in women with uterine inversion using a nationally representative United States (US) cohort. STUDY DESIGN: We used the Nationwide Inpatient Sample, a 20% sample of US hospital admissions, to identify all deliveries from 2004 to 2013...
May 15, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28516368/appropriate-or-inappropriate-icd-shock-what-is-the-post-shock-rhythm
#3
B M van Gelder, B Ter Burg, F A L E Bracke
No abstract text is available yet for this article.
May 17, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28516367/appropriate-or-inappropriate-icd-shock-what-is-the-post-shock-rhythm
#4
B M van Gelder, B Ter Burg, F A L E Bracke
No abstract text is available yet for this article.
May 17, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28496507/depression-and-associated-factors-in-patients-with-implantable-cardioverter-defibrillators
#5
Maryam Moshkani Farahani, Mehrdad Taghipour, Mohsen Motalebi, Ramezan Bakhshian, Ehsan Shahverdi, Sovaid Taghipour, Soheyla Abdi, Ramzan Moradi
Background: Psychological problems such as depression constitute a dilemma that patients with the implantable cardioverter-defibrillator (ICD) usually encounter and may impact their quality of life. The purpose of this study was to evaluate the prevalence of depression among adults with the ICD and the relationship between depression and associated factors. Methods: Totally, 115 individuals with the ICD participated in this cross-sectional study in Tehran, Iran, and depression and other related risk factors were evaluated in them...
October 3, 2016: Journal of Tehran Heart Center
https://www.readbyqxmd.com/read/28490380/living-with-hypertrophic-cardiomyopathy-and-an-implantable-defibrillator
#6
Peter Magnusson, Jessica Jonsson, Stellan Mörner, Lennart Fredriksson
BACKGROUND: ICDs efficiently terminate life-threatening arrhythmias, but complications occur during long-term follow-up. Patients' own perspective is largely unknown. The aim of the study was to describe experiences of hypertrophic cardiomyopathy (HCM) patients with implantable defibrillators (ICDs). METHODS: We analyzed 26 Swedish patient interviews using hermeneutics and latent content analysis. RESULTS: Patients (aged 27-76 years) were limited by HCM especially if it deteriorates into heart failure...
May 10, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28473110/impact-of-chronic-total-coronary-occlusion-on-recurrence-of-ventricular-arrhythmias-in-ischemic-secondary-prevention-implantable-cardioverter-defibrillator-recipients-vacto-secondary-study-insights-from-coronary-angiogram-and-electrogram-analysis
#7
Luis Nombela-Franco, Mario Iannaccone, Ignasi Anguera, Ignacio J Amat-Santos, Manuel Sanchez-Garcia, Daniel Bautista, Martin N Calvelo, Andrea Di Marco, Claudio Moretti, Roberto Pozzi, Marco Scaglione, Victoria Cañadas, María Sandin-Fuentes, Angel Arenal, Rodrigo Bagur, Nicasio Perez-Castellano, Cristina Fernandez-Perez, Fiorenzo Gaita, Carlos Macaya, Javier Escaned, Ignacio Fernández-Lozano
OBJECTIVES: This study sought to evaluate the incidence and clinical effect of coronary chronic total occlusions (CTOs) in patients with ischemic cardiomyopathy receiving an implantable cardioverter-defibrillator (ICD) for secondary prevention of sudden cardiac death (SCD). BACKGROUND: CTOs are common in patients with ischemic cardiomyopathy, which is the major cause of SCD. However, the impact of CTO in SCD survivors receiving an ICD is unknown. METHODS: A total of 425 patients who had survived an episode of ventricular arrhythmias and underwent ICD implantation for secondary prevention in 8 centers were included...
May 8, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28463183/personalized-risk-scoring-for-critical-care-prognosis-using-mixtures-of-gaussian-processes
#8
Ahmed M Alaa, Jinsung Yoon, Scott Hu, Mihaela van der Schaar
In this paper, we develop a personalized real-time risk scoring algorithm that provides timely and granular assessments for the clinical acuity of ward patients based on their (temporal) lab tests and vital signs; the proposed risk scoring system ensures timely intensive care unit (ICU) admissions for clinically deteriorating patients. METHODS: The risk scoring system is based on the idea of sequential hypothesis testing under an uncertain time horizon. The system learns a set of latent patient subtypes from the offline electronic health record data, and trains a mixture of Gaussian Process (GP) experts, where each expert models the physiological data streams associated with a specific patient subtype...
April 27, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28460030/subcutaneous-cardioverter-defibrillator-has-longer-time-to-therapy-but-is-less-cardiotoxic-than-transvenous-cardioverter-defibrillator-study-carried-out-in-a-preclinical-porcine-model
#9
Rodrigue Garcia, Sofiane Inal, Frederic Favreau, Christophe Jayle, Thierry Hauet, Patrick Bruneval, Thomas Kerforne, Jamil Hajj-Chahine, Bruno Degand
Aims: Totally subcutaneous implantable cardioverter defibrillator (S-ICD) delivers higher shock energy and can have longer time to therapy compared to transvenous implantable cardioverter defibrillator (T-ICD). Aim of the study was to compare time to therapy and to investigate cardiac, cerebral and systemic injuries of S-ICD and T-ICD shocks delivered after ventricular fibrillation (VF) induction. Methods and results: Fourteen pigs were randomly implanted with a S-ICD (n = 7) or a T-ICD (n = 7)...
April 27, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28457108/syncope-in-primary-prevention-implantable-cardioverter-defibrillator-implantation
#10
Gustavo Goldenberg, Tamir Bental, Udi Kadmon, Ronit Zabarsky, Jairo Kusnick, Alon Barsheshet, Gregory Golovchiner, Boris Strasberg
BACKGROUND: Syncope prognosis varies widely: 1 year mortality may range from 0% in the case of vasovagal events up to 30% in the presence of heart disease. OBJECTIVES: To assess the outcomes and prognosis of patients with implantable cardiac defibrillator (ICD) and indication of primary prevention and compare patients presenting with or without prior syncope. METHODS: We reviewed the charts of 75 patients who underwent ICD implantation with the indication of primary prevention and history of syncope and compared them to a control group of 80 patients without prior syncope...
January 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28454806/assessing-micro-vascular-resistances-via-imr-to-predict-outcome-in-stemi-patients-with-multivessel-disease-undergoing-primary-pci-amicro-rationale-and-design-of-a-prospective-multicenter-clinical-trial
#11
Massimo Fineschi, Edoardo Verna, Giuseppe Mezzapelle, Davide Bartolini, Giovanni Turiano, Antonio Manari, Katia Lucarelli, Lucia Uguccioni, Alessandra Repetto, Giuseppe Tarantini
BACKGROUND: In STEMI patients treated with primary percutaneous coronary angioplasty (PPCI) the evaluation of coronary microcirculatory resistance index (IMR) predict the extent of microvascular damage and left ventricular (LV) remodeling. However, the impact of IMR on the clinical outcome after PPCI in patients with multivessel disease (MVD) remains unsettled. AIM: We designed a prospective multicenter controlled clinical trial to evaluate the prognostic value of IMR in terms of clinical outcome and left ventricular remodeling in STEMI patients with MVD undergoing PPCI...
May 2017: American Heart Journal
https://www.readbyqxmd.com/read/28444773/mechanical-dispersion-and-global-longitudinal-strain-by-speckle-tracking-echocardiography-predictors-of-appropriate-implantable-cardioverter-defibrillator-therapy-in-hypertrophic-cardiomyopathy
#12
Ozkan Candan, Cetin Gecmen, Emrah Bayam, Ahmet Guner, Mehmet Celik, Cem Doğan
PURPOSE: In this study, we investigated whether mechanical dispersion which reflects electrical abnormality and other echocardiographic and clinic parameters predict appropriate ICD shock in patients undergone ICD implantation for hypertrophic cardiomyopathy. METHODS: Sixty-three patients who received ICD implantation for primary or secondary prevention were included in the study. Patients' clinical, electrocardiographic, 2D classic, and speckle tracking echocardiographic data were collected...
April 26, 2017: Echocardiography
https://www.readbyqxmd.com/read/28441279/congenital-etiology-is-an-independent-risk-factor-for-complications-in-adolescents-undergoing-corrective-scoliosis-surgery-comparison-of-in-hospital-comorbidities-using-nationwide-kid-s-inpatient-database
#13
Gregory W Poorman, Cyrus M Jalai, Bassel Diebo, Shaleen Vira, John Buza, Joe Baker, Jared Tishelman, Samantha Horn, Olivia Bono, Kartik Shenoy, Saqib Hasan, Justin Paul, Evan Isaacs, Ian Kaye, Abiola Atanda, Aaron J Buckland, Virginie LaFage, Thomas Errico, Peter G Passias
BACKGROUND: Congenital scoliosis (CS) is associated with more rigid, complex deformities relative to adolescent idiopathic scoliosis (AIS) which theoretically increases surgical complications. Despite extensive literature studying AIS patients, few studies have been performed on CS patients. The purpose of this study was to evaluate complications associated with spinal fusions for CS and AIS. METHODS: A retrospective review of the Kid's Inpatient Database (KID) years 2000 to 2009 was performed...
April 24, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28440568/impact-of-t-wave-amplitude-in-lead-avr-on-predicting-cardiac-events-in-ischemic-and-nonischemic-cardiomyopathy-patients-with-an-implantable-cardioverter-defibrillator
#14
Yoshihiro Tanaka, Tetsuo Konno, Yudai Tamura, Toyonobu Tsuda, Hiroshi Furusho, Masayuki Takamura, Kenji Sakata, Masakazu Yamagishi, Kenshi Hayashi
BACKGROUND: T wave amplitudes during ventricular repolarization in the lead aVR (TAaVR) are shown to be associated with adverse cardiac events in patients with several cardiovascular diseases, such as postmyocardial infarction. However, the utility of TAaVR has not been previously evaluated in patients with cardiomyopathy who have received implantable cardioverter defibrillators (ICD). Patients with ischemic or nonischemic cardiomyopathy (ICM or NICM, respectively) and who received an ICD may experience worsening of their condition due to the introduction of electric shock during treatment...
April 25, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28432805/pitfalls-in-electrogram-interpretation-subcutaneous-cardioverter-defibrillator-malfunction-in-brugada-syndrome
#15
Giovanni Morani, Bruna Bolzan, Luca Tomasi, Ruggero Tomei, Corrado Vassanelli
A patient with Brugada Syndrome implanted with subcutaneous cardioverter defibrillator (S-ICD) had oversensing episodes treated with S-ICD shocks. Comparable artefacts weren't evocable with S-ICD pocket manipulation. The fluoroscopy excluded S-ICD macroscopic damage. The device extraction revealed undamaged pulse generator and connector, but the lead was inappropriately tunnelled under the sixth rib. Then the S-ICD malfunction was due to lead microscopic damage caused by lead rubbing the rib surface. This article is protected by copyright...
April 22, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28429529/impaired-left-atrial-function-predicts-inappropriate-shocks-in-primary-prevention-implantable-cardioverter-defibrillator-candidates
#16
Susumu Tao, Hiroshi Ashikaga, Luisa A Ciuffo, Kihei Yoneyama, Joao A C Lima, Terry F Frank, Robert G Weiss, Gordon F Tomaselli, Katherine C Wu
INTRODUCTION: Inappropriate implantable cardioverter-defibrillator (ICD) shocks, commonly caused by atrial fibrillation (AF), are associated with an increased mortality. Because impaired left atrial (LA) function predicts development of AF, we hypothesized that impaired LA function predicts inappropriate shocks beyond a history of AF. METHODS AND RESULTS: We prospectively analyzed the association between LA function and incident inappropriate shocks in primary prevention ICD candidates...
April 21, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28428489/superior-rhythm-discrimination-with-the-smartshock-technology-algorithm%C3%A3-results-of-the-implantable-defibrillator-with-enhanced-features-and-settings-for-reduction-of-inaccurate-detection-defense-trial
#17
Yasushi Oginosawa, Ritsuko Kohno, Toshihiro Honda, Kan Kikuchi, Masatsugu Nozoe, Takayuki Uchida, Hitoshi Minamiguchi, Koichiro Sonoda, Masahiro Ogawa, Takeshi Ideguchi, Yoshihisa Kizaki, Toshihiro Nakamura, Kageyuki Oba, Satoshi Higa, Keiki Yoshida, Soichi Tsunoda, Yoshihisa Fujino, Haruhiko Abe
BACKGROUND: Shocks delivered by implanted anti-tachyarrhythmia devices, even when appropriate, lower the quality of life and survival. The new SmartShock Technology(®)(SST) discrimination algorithm was developed to prevent the delivery of inappropriate shock. This prospective, multicenter, observational study compared the rate of inaccurate detection of ventricular tachyarrhythmia using the SST vs. a conventional discrimination algorithm.Methods and Results:Recipients of implantable cardioverter defibrillators (ICD) or cardiac resynchronization therapy defibrillators (CRT-D) equipped with the SST algorithm were enrolled and followed up every 6 months...
April 20, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28419217/shock-efficacy-of-single-and-dual-coil-electrodes-new-insights-from-the-nordic-icd-trial
#18
Dietmar Bänsch, Hendrik Bonnemeier, Johan Brandt, Frank Bode, Jesper Hastrup Svendsen, Oliver Ritter, Johannes Aring, Klaus-Jürgen Gutleben, Ralph Schneider, Angelika Felk, Tino Hauser, Anika Buchholz, Gerhard Hindricks, Karl Wegscheider
Aims: Dual coil (DC) electrodes are preferred to single coil (SC) electrodes because of an assumed higher shock efficacy. However, DC-electrodes may be associated with an increased difficulty and risk of lead extraction. We aimed to compare SC- and DC-electrodes with respect to the first shock efficacy (FSE) after implantable cardioverter defibrillator (ICD) implantation. Methods and results: One thousand and seventy-seven patients of the NORDIC ICD trial were randomly assigned to first time ICD implantation with or without defibrillation (DF) testing...
April 13, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28416987/importance-of-exercise-testing-shortly-after-subcutaneous-implantable-cardioverter-defibrillator-implantation-in-patients-with-brugada-syndrome-the-first-case-of-associated-inappropriate-shock-in-japan
#19
Kohei Ishibashi, Takashi Noda, Tsukasa Kamakura, Mitsuru Wada, Yuko Inoue, Hideo Okamura, Kengo Kusano
We report the case of a 51-year-old patient with Brugada syndrome (BrS) who experienced inappropriate shock due to T-wave oversensing (TWOS) during exercise when the optimal sensing vector was selected based on the automatic analysis by a subcutaneous implantable cardioverter-defibrillator (S-ICD). After selecting another vector during exercise testing, TWOS did not re-occur. Selection of appropriate sensing vector based on analyses under various conditions, including during exercise after S-ICD implantation, should be considered for patients with BrS...
April 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28415795/renal-sympathetic-denervation-guided-by-renal-nerve-stimulation-to-treat-ventricular-arrhythmia-in-ckd-patients-with-icd
#20
Márcio Galindo Kiuchi, Shaojie Chen, Luis Marcelo Rodrigues Paz, Helmut Pürerfellner
Chronic kidney disease (CKD) patients on stage 4 present greater risk rates for malignant ventricular arrhythmia events. This study examined patients with CKD in stages 1, 2, 3 and 4, left ventricular dysfunction and automatic implantable cardioverter-defibrillator (ICD). Our goal was to record the appropriate therapies, "Anti-tachycardia Therapy Pacing" (ATP) and shock events during the 18 months of follow-up and compare the incidence and severity of these at different stages of CKD, mainly in patients with CKD stage 4 underwent renal sympathetic denervation (RSD) guided by renal nerve stimulation (RNS)...
March 16, 2017: Oncotarget
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