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https://www.readbyqxmd.com/read/29145303/epicardial-radiofrequency-catheter-ablation-of-brugada-syndrome-with-electrical-storm-during-ventricular-fibrillation-a-case-report
#1
Shufen Jiang, Xiaomeng Yin, Chang Dong, Yunlong Xia, Jinqiu Liu
RATIONALE: Brugada syndrome (BrS) is characterized by ST segment elevation at the J point ≥2 mm in the right precordial electrocardiogram (ECG) leads, in the absence of structural heart disease, electrolyte disturbances, or ischemia. It is a well-described cause of sudden death in young patients, especially in the age of between 30 and 40 years old. Here, we reported an unusual case of electrical storm (ES) of ventricular fibrillation (VF) caused by BrS with complete right bundle-branch block (CRBBB) in a 75-year-old male patient...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29134433/practice-makes-perfect-relationship-between-hospital-procedure-volume-and-permanent-pacemaker-implantation-after-paroxysmal-supraventricular-tachycardia-ablation
#2
Vratika Agarwal, Neeraj Shah, Kathan Mehta, Anand Agarwal, Jonathan Willner, James Lafferty
PURPOSE: Paroxysmal supraventricular tachycardia (PSVT) ablation can result in injury to the atrioventricular (AV) node causing complete heart block requiring permanent pacemaker (PPM) implantation. Few studies have examined the impact of hospital PSVT ablation volume and PPM implantation rates post ablation. METHODS: We included adult patients from the Nationwide Inpatient Sample (NIS) database, from 1998 to 2011, using ICD-9 diagnoses codes 427.0 and 427.89 for PSVT and ICD-9 procedure code 37...
November 13, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29129561/alcohol-septal-ablation-for-hypertrophic-obstructive-cardiomyopathy-a-16-year-australian-single-centre-experience
#3
Jason Nogic, Youlin Koh, Marek Bak, Robert P Gooley, Ian T Meredith, Liam M McCormick
BACKGROUND: Alcohol septal ablation (ASA), is a well-established treatment for symptomatic hypertrophic obstructive cardiomyopathy (HOCM). We report the acute, short and long-term clinical and echocardiographic outcomes of our experience in a single Australian centre over 16 years. METHODS: We retrospectively analysed consecutive patients presenting to our centre for ASA between March 2000 and July 2016. Local databases were interrogated along with direct patient or physician contact occurred where required...
October 13, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29115948/evaluation-of-intravenous-regional-anaesthesia-and-four-point-nerve-block-efficacy-in-the-distal-hind-limb-of-dairy-cows
#4
S Yavari, N Khraim, G Szura, A Starke, E Engelke, C Pfarrer, K Hopster, M Schmicke, W Kehler, M Heppelmann, S B R Kästner, J Rehage
BACKGROUND: Intravenous regional anaesthesia (IVRA) and hindfoot four-point nerve block anaesthesia (NBA) are recommended for local anaesthesia (LA) in the distal limb of dairy cows. Two studies were conducted to compare the efficacy, time until onset and stress responses to IVRA and NBA in dairy cows. In the first cross-over designed study, eight healthy unsedated German Holstein cows, restrained in lateral recumbency (LR) on a surgical tipping table, were treated with IVRA and NBA using procaine 2% as a local anaesthetic...
November 7, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29113751/cardiomyopathy-induced-by-incessant-ventricular-tachycardia-originating-in-the-vicinity-of-the-his-bundle
#5
Sana Ouali, Manel Ben Halima, Selim Boudiche, Anissa Gharbi, Khedher Nadim, Kaouthar Hakim, Fatma Ouarda, Mohamed Sami Mourali
A 04-year-old boy was referred to our institution with severe, progressive heart failure of 4-months duration associated with a persistent wide QRS tachycardia with left bundle branch block and severe left ventricular dysfunction. Because of incessant wide QRS tachycardia refractory to antiarrhythmic drugs, he was referred for electrophysiological study. The ECG was suggestive of VT arising from the right ventricle near the His area. Electrophysiological study revealed that origin of tachycardia was septum of the right ventricle, near His bundle, however the procedure was not successful and an inadvertent complete atrioventricular conduction block occurred...
November 4, 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29110745/an-unusual-course-of-anti-ro-antibody-mediated-fetal-complete-heart-block
#6
Claudia Renaud, Edgar Jaeggi, Varsha Thakur
Fetal hydrops is a serious complication of immune-mediated congenital complete atrioventricular block. We present the case of a fetus with severe hydrops and profound bradycardia and an unusual favourable outcome. This case enhances the importance of considering the contribution of ventricular ectopic beats to the cardiac output when counselling and predicting outcome of complete heart block.
November 7, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/29102453/timing-of-conduction-abnormalities-leading-to-permanent-pacemaker-insertion-after-transcatheter-aortic-valve-implantation-a-single-centre-review
#7
Daniel Ozier, Nevena Zivkovic, Gabby Elbaz-Greener, Sheldon M Singh, Harindra C Wijeysundera
BACKGROUND: Transcatheter aortic valve implantation (TAVI) is the preferred alternative to traditional surgical aortic valve replacement; however, it remains expensive. One potential driver of cost is the need for postprocedural monitoring for conduction abnormalities after TAVI. Given the paucity of literature on the optimal length of monitoring, we aimed to determine when clinically significant conduction abnormalities leading to permanent pacemaker (PPM) insertion after TAVI were first identified...
September 1, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29098486/implantable-loop-recorders-in-the-real-world-a-study-of-two-canadian-centers
#8
Omar A Ibrahim, Doran Drew, Christopher J Hayes, William McIntyre, Colette M Seifer, Wilma Hopman, Benedict Glover, Adrian M Baranchuk
PURPOSE: Implantable loop recorders (ILRs) are increasingly being used for ambulatory electrocardiography. We sought to evaluate ILR indications, diagnostic yield, ILR-guided interventions, and complications in two Canadian centers. METHODS: This was a retrospective study using electronic medical records to identify ILR implants at Queen's University and the University of Manitoba. Information was collected on patient characteristics, medications, indication for implant, results of prior investigations, diagnostic outcome, and subsequent management...
November 2, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29079566/swine-atrioventricular-node-ablation-using-stereotactic-radiosurgery-methods-and-in-vivo-feasibility-investigation-for-catheter-free-ablation-of-cardiac-arrhythmias
#9
Marwan M Refaat, Jad A Ballout, Patrick Zakka, Mostafa Hotait, Karine A Al Feghali, Ibrahim Abu Gheida, Charbel Saade, Mukbil Hourani, Fady Geara, Malek Tabbal, Pierre Sfeir, Wassim Jalbout, Wael Al-Jaroudi, Abdo Jurjus, Bassem Youssef
BACKGROUND: Linear accelerator-based stereotactic radiosurgery delivered to cardiac arrhythmogenic foci could be a promising catheter-free ablation modality. We tested the feasibility of in vivo atrioventricular (AV) node ablation in swine using stereotactic radiosurgery. METHODS AND RESULTS: Five Large White breed swine (weight 40-75 kg; 4 females) were studied. Single-chamber St Jude pacemakers were implanted in each pig. The pigs were placed under general anesthesia, and coronary/cardiac computed tomography simulation scans were performed to localize the AV node...
October 27, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29073001/kearns-sayre-syndrome-looking-beyond-a-v-conduction
#10
Mani Ram Krishna
A 15-year-old boy was diagnosed with Kayne Sayre Syndrome. He presented with pigmentary retinopathy, progressive ophthalmoplegia and complete heart block. He received a transvenous dual chamber pacemaker. Two years later he died suddenly while at home. This case highlights the importance of recognizing mechanisms other than heart block as a cause of sudden death in a patient with KSS.
May 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29067078/tetralogy-of-fallot-repair-in-patients-presenting-after-infancy-a-single-surgeon-experience
#11
Tariq Waqar, Muhammad Usman Riaz, Tania Mahar
OBJECTIVE: To determine the early surgical outcomes of Tetralogy of Fallot (TOF) repair in children and young adults operated after the age of one year. METHODS: In this retrospective study, 307 cases of primary repair of Tetralogy of Fallot were done between September 2012 to February 2017, at CPE Institute of cardiology, Multan. Out of 307 operated patients, 4 (1.3%) patients had previous modified Blalock Taussig shunts, 2 (0.6%) associated ASD with TOF, 3 (0...
July 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29066242/estimating-risk-of-adverse-cardiac-event-after-vascular-surgery-using-currently-available-online-calculators
#12
Danielle A Moses, Lily E Johnston, Margaret C Tracci, William P Robinson, Kenneth J Cherry, John A Kern, Gilbert R Upchurch
BACKGROUND: The decision to proceed with vascular surgical interventions requires evaluation of cardiac risk. Recently, several online risk calculators were created to predict outcomes and to lead to a more informed conversation between surgeons and patients. The objective of this study was to compare and further validate these online calculators with actual adverse cardiac outcomes at a single institution. METHODS: All patients from January 2011 through December 2015 undergoing carotid endarterectomy (CEA), infrainguinal lower extremity bypass, open abdominal aortic aneurysm (AAA) repair, and endovascular aneurysm repair (EVAR) on the vascular surgical service were included using the Society for Vascular Surgery Vascular Quality Initiative database at our health system...
October 21, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29062706/extreme-cannon-a-waves-and-pulsatile-skin-color-in-complete-heart-block
#13
Daniel P Morin, Michael L Bernard
No abstract text is available yet for this article.
October 2017: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/29056960/complete-heart-block-as-presenting-symptom-of-massive-pulmonary-embolism-in-an-elderly-patient
#14
Marco Zuin, Gianluca Rigatelli
No abstract text is available yet for this article.
September 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/29056132/nedaplatin-induced-arrhythmia-retrospective-analysis-of-three-cases
#15
Ying-Jie Song, Tao Fan, Chang-Yin Quan, Sheng-Hua Cao, Yuan Zhang, Xin-Hong Shao
Nedaplatin (NDP) is a second-generation platinum derivative that was developed in Japan. Nowadays, it is being widely used in the management of lung cancer, esophageal cancer, head and neck cancers, especially when cisplatin and carboplatin cannot be tolerated or show drug resistance. To the best of our knowledge, there are few reported cases of NDP-induced bradycardia in the relevant medical literature. The current report presents three patients treated with NDP chemotherapy-induced serious arrhythmias. The three cases developed sinus tachycardia and atrial premature beats, complete left bundle branch block, and bigeminy ventricular premature contraction, in the second, sixth and second cycle, respectively...
October 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29052526/cardiac-magnetic-resonance-imaging-indeterminate-negative-cardiac-sarcoidosis-revealed-by-18-f-fluorodeoxyglucose-positron-emission-tomography-two-case-reports-and-a-review-of-the-literature
#16
S C Sasson, R Russo, T Chung, G Chu, I Hunyor, J Williamson, A Murad, A Kane, S Riminton, S Limaye
BACKGROUND: Sarcoidosis is an inflammatory disorder of immune dysregulation characterized by non-caseating granulomas that can affect any organ. Cardiac sarcoidosis is an under-recognized entity that has a heterogeneous presentation and may occur independently or with any severity of systemic disease. Diagnosing cardiac sarcoidosis remains problematic with endomyocardial biopsies associated with a high risk of complications. Several diagnostic algorithms are currently available that rely on histopathology or clinical and radiological measures...
October 20, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29050735/-inferior-myocardial-infarction-complicated-by-complete-heart-block-and-cardiac-arrest-following-a-gadolinium-injection-a-case-of-kounis-syndrome
#17
R Demoulin, R Poyet, E Capilla, M Cardinale, A V Tortat, F Pons, F-X Brocq, C Jego, G Foucault, G-R Cellarier
Kounis syndrome is an allergic acute coronary syndrome. It occurs on healthy or pathological arteries. Its complications, although often benign, can lead to cardiac arrest and death. Its triggering factors are multiple and include contrast products used in diagnostic imaging. We report the case of an 81 years old patient affected by hepatocellular carcinoma, who presented a type 2 Kounis syndrome with inferior myocardial infarction, complicated by cardiac arrest related to complete heart block following a gadoteric acid injection...
November 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/29044308/heart-conduction-system-defects-and-sustained-ventricular-tachycardia-complications-in-a-patient-with-granulomatosis-with-polyangiitis-a-case-report-and-literature-review
#18
Laryssa Passos Sarmento Santos, Victor Guerreiro Bomfim, Camila Fagundes Bezerra, Natália Vieira Costa, Rafael Barreto Paes de Carvalho, Ricardo Sobral de Carvalho, Rogério da Hora Passos, Olivia Carla Bomfim Boaventura, André Luiz Nunes Gobatto
Granulomatosis with polyangiitis is a rare systemic inflammatory disorder characterized by vasculitis of the small arteries, the arterioles and the capillaries together with necrotizing granulomatous lesions. This case reports on a young female patient, previously diagnosed with granulomatosis with polyangiitis, who was admitted to the intensive care unit with seizures and hemodynamic instability due to a complete atrioventricular heart block. The event was associated with multiple episodes of sustained ventricular tachycardia without any structural heart changes or electrolyte disturbances...
July 2017: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/29029451/transcriptome-analysis-reveals-a-role-for-the-endothelial-anp-gc-a-signaling-in-interfering-with-pre-metastatic-niche-formation-by-solid-cancers
#19
Takashi Nojiri, Miki Arai, Yutaka Suzuki, Motofumi Kumazoe, Takeshi Tokudome, Koichi Miura, Jun Hino, Hiroshi Hosoda, Mikiya Miyazato, Meinoshin Okumura, Shinpei Kawaoka, Kenji Kangawa
Cancer establishes a microenvironment called the pre-metastatic niche in distant organs where disseminated cancer cells can efficiently metastasize. Pre-metastatic niche formation requires various genetic factors. Previous studies suggest that inhibiting a single niche-factor is insufficient to completely block pre-metastatic niche formation especially in human patients. Here we show that the atrial natriuretic peptide (ANP), an endogenous hormone produced by the heart, inhibits pre-metastatic niche formation and metastasis of murine solid cancer models when pharmacologically supplied in vivo...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29028640/coronary-sinus-catheter-induced-heart-block-during-aortic-valve-replacement-a-case-report
#20
Aaron B Dahl, Teresa Murray-Torres, Daniel A Emmert
Conduction abnormalities after cardiac surgery are common as is spontaneous resolution of these abnormalities. However, 1%-3% of patients will require placement of a permanent pacemaker. Patients with preexisting conduction abnormalities, undergoing reoperation, preexisting pulmonary hypertension and undergoing mitral or aortic valve operations are at a higher risk for requiring a permanent pacemaker. We present the first case described in the literature of a patient with a preexisting left bundle branch block, and heart failure with a reduced left ventricular ejection fraction of 25% who developed complete heart block after placement of a coronary sinus catheter...
October 12, 2017: A & A Case Reports
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