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Pacemaker syndrome

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https://www.readbyqxmd.com/read/28318322/cannon-a-waves-due-to-pacemaker-syndrome
#1
Jackson J Liang, John W Hirshfeld
No abstract text is available yet for this article.
March 20, 2017: Acute Cardiac Care
https://www.readbyqxmd.com/read/28287212/-the-pacemaker-and-implantable-cardioverter-defibrillator-registry-of-the-italian-association-of-arrhythmology-and-cardiac-pacing-annual-report-2015
#2
Alessandro Proclemer, Massimo Zecchin, Antonio D'Onofrio, Giuseppe Boriani, Giovanni Luca Botto, Domenico Facchin, Luca Rebellato, Marco Ghidina, Giulia Bianco, Emanuela Bernardelli, Elsa Pucher, Dario Gregori
BACKGROUND: The pacemaker (PM) and implantable cardioverter-defibrillator (ICD) Registry of the Italian Association of Arrhythmology and Cardiac Pacing (AIAC) monitors the main epidemiological data in real-world practice. The survey for the 2015 activity collects information about demographics, clinical characteristics, main indications for PM/ICD therapy and device types from the Italian collaborating centers. METHODS: The Registry collects prospectively national PM and ICD implantation activity on the basis of European cards...
January 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28283677/guillain-barr%C3%A3-syndrome-presenting-with-sinus-node-dysfunction-and-refractory-shock
#3
Le Dung Ha, Farrukh Abbas, Mohan Rao
BACKGROUND Guillain-Barré syndrome (GBS) is an acute inflammatory demyelinating polyneuropathy that is usually associated with preceding respiratory or gastrointestinal infection and has the hallmark manifestation of ascending flaccid paralysis. We report an atypical presentation of GBS. CASE REPORT A 76-year-old male presented with acute onset of diaphoresis and altered mental status. He subsequently developed severe bradycardia and refractory hypotension, which initially responded to dopamine infusion. A temporary pacemaker wire was placed to stabilize the heart rate but hypotension persisted...
March 11, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28275421/treating-a-structural-heart-disease-using-a-non-structural-approach-role-of-cardiac-pacing-in-hypertrophic-cardiomyopathy
#4
Bernard Benjamin P Albano, Erdie C Fadreguilan, Jeffrey M Chua, James Ho, Ana Beatriz Medrano
Hypertrophic cardiomyopathy (HCM) is the most common genetic cardiovascular disease characterized by a thickened non-dilated ventricle in the absence of another cardiac or systemic condition. Its most important hemodynamic consequence is left ventricular outflow tract (LVOT) obstruction. The primary management strategy of this condition is surgical septal myectomy, but an acceptable alternative treatment in patients who are not suitable for (or who refuse) surgery is alcohol septal ablation (ASA). However, in patients with unfavorable coronary anatomy which precludes ASA (i...
February 2017: Cardiology Research
https://www.readbyqxmd.com/read/28268951/interventional-placement-of-thin-coil-shaped-implants-powered-wirelessly-for-monitoring-vital-signals-and-controlling-abnormal-activities-by-electro-stimulation
#5
Hidetoshi Ohta, Masanobu Honda, Makoto Takamiya
Various types of implants are being commonly used for monitoring vital signals and controlling the critically ill patient's condition such as arrhythmia, sick sinus syndrome, etc. For implanting these medical devices under the skin, surgery is inevitable. These days many patients are more willing to accept interventional therapies that are less invasive, especially inserting a catheter into a blood vessel or endoscopy through a natural orifice. To be able to use interventional therapy for implanting medical devices, they will need to be small enough to fit them through a catheter or the forceps channel of an endoscope...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28266824/cardiovascular-disease-update-bradyarrhythmias
#6
Craig Barstow, Johnathan D McDivitt
Bradyarrhythmia (bradycardia) is a heart rate lower than 60 beats/min. It can be due to sinus, atrial, or junctional bradycardia or to a problem with the conduction system (eg, an atrioventricular block). Asymptomatic bradycardia is common, especially among trained athletes or during sleep. Bradycardia symptoms can include syncope, dizziness, chest pain, dyspnea, or fatigue. It is important to determine during the evaluation if bradycardia is the cause of the patient's symptoms. In the acute setting, symptomatic patients should be treated with atropine...
March 2017: FP Essentials
https://www.readbyqxmd.com/read/28262289/a-single-center-s-experience-with-pacemaker-implantation-after-the-cox-maze-procedure-for-atrial-fibrillation
#7
Niv Ad, Sari D Holmes, Rabia Ali, Graciela Pritchard, Deborah Lamont
OBJECTIVE: The Cox maze procedure (CM) is safe and effective for all atrial fibrillation (AF) types. A recent randomized trial found alarming rates of pacemaker implantation (PMI) during hospitalization after CM. The purpose of this study was to assess the rate of PMI and its impact on outcomes after CM. METHODS: Incidence of PMI was captured for all CM patients (2005-2015; N = 739). Data were collected prospectively. Multivariable logistic regression was conducted to determine risk factors for PMI...
February 9, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28237734/respective-role-of-surface-electrocardiogram-and-his-bundle-recordings-to-assess-the-risk-of-atrioventricular-block-after-transcatheter-aortic-valve-replacement
#8
N Badenco, C Chong-Nguyen, C Maupain, C Himbert, G Duthoit, X Waintraub, T Chastre, E Gandjbakhch, F Hidden-Lucet, P Le Prince, J-P Collet, R Frank
BACKGROUND: Atrioventricular block (AVB) is common after transcatheter aortic valve replacement (TAVR) and permanent pacemaker (PPM) implantation is needed in up to 30% of patients. Main predictors of long term AVB are electrocardiographic. The purpose of this study is to assess the prognostic value of serial HV intervals measured before and after TAVR to shorten the timing of PPM implantation. METHODS: His bundle recordings were performed before (HV1), immediately after TAVR (HV2) and at day 2 for Edwards Sapien (ES) and 5 for Medtronic CoreValve (CV) (HV3)...
February 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28227158/interventional-placement-of-thin-coil-shaped-implants-powered-wirelessly-for-monitoring-vital-signals-and-controlling-abnormal-activities-by-electro-stimulation
#9
Hidetoshi Ohta, Masanobu Honda, Makoto Takamiya, Hidetoshi Ohta, Masanobu Honda, Makoto Takamiya, Masanobu Honda, Hidetoshi Ohta, Makoto Takamiya
Various types of implants are being commonly used for monitoring vital signals and controlling the critically ill patient's condition such as arrhythmia, sick sinus syndrome, etc. For implanting these medical devices under the skin, surgery is inevitable. These days many patients are more willing to accept interventional therapies that are less invasive, especially inserting a catheter into a blood vessel or endoscopy through a natural orifice. To be able to use interventional therapy for implanting medical devices, they will need to be small enough to fit them through a catheter or the forceps channel of an endoscope...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28219978/a-mutation-in-the-g-protein-gene-gnb2-causes-familial-sinus-node-and-atrioventricular-conduction-dysfunction
#10
Birgit Stallmeyer, Johanna Kuß, Stefan Kotthoff, Sven Zumhagen, Kirsty S Vowinkel, Susanne Rinne, Lina A Matschke, Corinna Friedrich, Ellen Schulze-Bahr, Stephan Rust, Guiscard Seebohm, Niels Decher, Eric Schulze-Bahr
Rationale: Familial sinus node and atrioventricular (AV) conduction dysfunction is a rare disorder that leads to paroxysmal dizziness, fatigue and syncope due to a temporarily or permanent reduced heart rate. To date, only a few genes for familial sinus and/or AV conduction dysfunction are known and the majority of cases remain etiologically unresolved. Objective: We aim to identify the disease gene in a large three-generation family (n=25) with autosomal dominant sinus node dysfunction (SND) and AV block (AVB) and to characterise the mutation-related pathomechanisms in familial SND+AVB...
February 20, 2017: Circulation Research
https://www.readbyqxmd.com/read/28215570/cardiac-electrophysiology-of-patients-with-spinal-cord-injury
#11
Michael Manogue, David S Hirsh, Michael Lloyd
Spinal cord injury is a clinical syndrome encountered frequently in trauma centers and is accompanied by both acute and chronic heart rhythm abnormalities. The injury is characterized by sympathetic nervous system impairment with preservation of parasympathetic output via the vagus nerve. Severe bradycardia in the form of life-threatening sinus arrest or complete heart block may be observed in the acute recovery phase. Therapy for arrhythmias in the acute phase includes atropine, intravenous chronotropes, methylxanthines for the prevention of episodic bradycardia, and pacemaker implantation in severe cases...
February 12, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28212920/neonatal-lupus-follow-up-in-infants-with-anti-ssa-ro-antibodies-and-review-of-the-literature
#12
REVIEW
Antonio Alberto Zuppa, Riccardo Riccardi, Simonetta Frezza, Francesca Gallini, Rita Maria Paola Luciano, Giovanni Alighieri, Costantino Romagnoli, Sara De Carolis
Neonatal Lupus Syndrome (NLS) is a distinct clinical entity caused by transplacental passage of maternal anti-SSA/Ro antibodies (Ab). Mothers may have systemic lupus erythematosus, Sjögren syndrome, or other connective tissue disease, or may be completely healthy at the time of giving birth. NLS includes several clinical manifestations: complete congenital heart block (CCHB) and cutaneous lupus are the most common, while hepatobiliary disease, hematological manifestations and central nervous system involvement may occur...
February 14, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28204831/tachycardia-bradycardia-syndrome-electrophysiological-mechanisms-and-future-therapeutic-approaches-review
#13
REVIEW
Gary Tse, Tong Liu, Ka Hou Christien Li, Victoria Laxton, Andy On-Tik Wong, Yin Wah Fiona Chan, Wendy Keung, Camie W Y Chan, Ronald A Li
Sick sinus syndrome (SSS) encompasses a group of disorders whereby the heart is unable to perform its pacemaker function, due to genetic and acquired causes. Tachycardia‑bradycardia syndrome (TBS) is a complication of SSS characterized by alternating tachycardia and bradycardia. Techniques such as genetic screening and molecular diagnostics together with the use of pre-clinical models have elucidated the electrophysiological mechanisms of this condition. Dysfunction of ion channels responsible for initiation or conduction of cardiac action potentials may underlie both bradycardia and tachycardia; bradycardia can also increase the risk of tachycardia, and vice versa...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28197280/predictors-of-permanent-pacemaker-implantation-after-coronary-artery-bypass-grafting-and-valve-surgery-in-adult-patients-in-current-surgical-era
#14
Bandar Al-Ghamdi, Yaseen Mallawi, Azam Shafquat, Alexandra Ledesma, Nadiah AlRuwaili, Mohamed Shoukri, Shahid Khan, Aly Al Sanei
BACKGROUND: Permanent pacemaker (PPM) implantation after cardiac surgery is required in 0.4-6% of patients depending on cardiac surgery type. PPM implantation in the early postoperative period may reduce morbidity and postoperative hospital stay. We performed a retrospective review of electronic medical records of adult patients with coronary artery bypass grafting (CABG), valve surgery, or both, over a 3-year period. Our aim was to identify predictors of PPM requirements and PPM dependency on follow-up in the current surgical era...
August 2016: Cardiology Research
https://www.readbyqxmd.com/read/28184977/lateral-atrial-tunnel-fontan-operation-predisposes-to-the-junctional-rhythm
#15
Katarzyna Januszewska, Anna Schuh, Anja Lehner, Robert Dalla-Pozza, Edward Malec
The goal of the study was to compare the early postoperative course after fenestrated lateral atrial tunnel (LT) and non-fenestrated extracardiac conduit (EC) Fontan operation (FO) in a single center where both techniques were parallelly used. Between 2004 and 2012, 56(32.7%) children underwent LT and 113(66.1%) EC FO. The mean age was 3.7 ± 2.9 years and mean weight was 14.6 ± 7.3 kg. The most common malformation was hypoplastic left heart syndrome (50.9%). The general approach was to perform LT in children after hemi-Fontan operation and EC in patients after Glenn anastomosis...
February 10, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28151908/implantation-of-vvi-pacemaker-in-a-patient-with-dextrocardia-persistent-left-superior-vena-cava-and-sick-sinus-syndrome-a-case-report
#16
Gongliang Guo, Lili Yang, Jinyi Wu, Liqun Sun
BACKGROUND: Dextrocardia, or right-lying heart, is an uncommon congenital heart disease in which the apex of the heart is located on the right side of chest. Persistent left superior vena cava (PLSVA) is a rare venous anomaly that is often associated with the abnormalities of cardiac transduction system. A case with combination of dextrocardia, persistent left superior vena cava, and sick sinus syndrome has not been reported. METHODS: We used different techniques including cardiac color Doppler echocardiography, 24-hour Holter monitoring, and abdominal ultrasound to make a diagnosis and treated the patient by implanting a VVI pacemaker...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28134404/-takotsubo-cardiomyopathy-recurrence-in-patient-with-chronic-kidney-disease-case-report-and-literature-review
#17
Francesco Caccetta, Maurizio Caroppo, Fernando Musio, Anna Mudoni, Antonella Accogli, Maria Dolores Zacheo, Domenica Burzo, Rolando Mangia, Michele Accogli, Vitale Nuzzo
Takotsubo cardiomyopathy (CT) is a syndrome characterized by an acute and transient left ventricular dysfunction, electrocardiographic abnormalities suggestive of acute coronary syndrome, chest pain and/or dyspnea, left ventricular mid-apical segments akinesia and normal coronary angiography. It is mainly observed in postmenopausal women after an intense physical or mental stress. The course is usually favourable but sometimes severe complications occur. The recurrence rate is 2-10%. We present the case of a recurrence of CT in a female, 79 years old, with hypertension, diabetes, chronic kidney disease (CKD) stage 3 who was admitted to the emergency room for dyspnea and vomiting...
November 2016: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28129898/-loss-of-capture-by-myocardial-ischemia-a-case-report
#18
A Sonou, P M Adjagba, M Hounkponou, L Codjo, C Houéhanou-Sonou, S Assani, T Yessoufou, J Sacca, M Houénassi
We report the case of a patient with pacemaker who presented chest pain during exercise followed by fainting. He has a history of arterial hypertension and diabetes. The initial examination was normal; the ventricular stimulation threshold was 1.125 volts (V) and cardiac enzymes were normal. Stress test has reproduced chest pain followed by loss of pacemaker capture and asystole. Coronary angiography showed a tight stenosis of the proximal anterior interventricular artery dilated by a drug-eluting stent. The control of stress test was normal...
February 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/28114719/-right-bundle-branch-block-left-bundle-branch-block-pace-maker-in-case-of-acute-coronary-syndrome-is-the-ecg-of-any-value
#19
Steffen Grautoff
The 12 lead ECG is difficult to evaluate if there is a persistent right or even left bundle block or a pace maker continually stimulating the right ventricle. Despite these pre-existing or new ECG changes it might still be possible to detect variations which can hint to an ST-elevation myocardial infarction (STEMI). Diagnosing significant ST elevations in a case of right bundle block is not very challenging. If the ECG shows a left bundle block the modified Sgarbossa criteria should be used for evaluation. These criteria can also be used in a pace maker ECG...
January 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28104484/sick-sinus-syndrome-with-hcn4-mutations-shows-early-onset-and-frequent-association-with-atrial-fibrillation-and-left-ventricular-noncompaction
#20
Taisuke Ishikawa, Seiko Ohno, Takashi Murakami, Kentaro Yoshida, Hiroyuki Mishima, Tetsuya Fukuoka, Hiroki Kimoto, Risa Sakamoto, Takafumi Ohkusa, Takeshi Aiba, Akihiko Nogami, Naokata Sumitomo, Wataru Shimizu, Koh-Ichiro Yoshiura, Hitoshi Horigome, Minoru Horie, Naomasa Makita
BACKGROUND: Familial sick sinus syndrome (SSS) is often attributable to mutations in genes encoding the cardiac Na channel SCN5A and pacemaker channel HCN4. We previously found that SSS with SCN5A mutations shows early onset of manifestations and male predominance. Despite recent reports on the complications of atrial fibrillation (AF) and left ventricular noncompaction (LVNC) in patients with SSS caused by HCN4 mutations, their overall clinical spectrum remains unknown. OBJECTIVE: The purpose of this study was to investigate the clinical and demographic features of SSS patients carrying HCN4 mutations...
January 17, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
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