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https://www.readbyqxmd.com/read/28649087/acute-hemodynamic-and-tissue-effects-of-cryoballoon-ablation-on-pulmonary-vessels-the-ivus-cryo-study
#1
Jakub Baran, Paweł Lewandowski, Krzysztof Smarż, Agnieszka Sikorska, Beata Zaborska, Piotr Kułakowski
BACKGROUND: Cryoballoon-based pulmonary vein isolation (CB-PVI) has been widely used for the treatment of atrial fibrillation. Although generally safe and effective, the procedure may be associated with pulmonary vein (PV) stenosis and bronchial or esophageal injury. The mechanisms leading to these complications have not been studied in detail. Our aim was to examine acute effects of cryoballoon on the pulmonary vessel and right heart pressures as well as PV wall morphology. METHODS AND RESULTS: In 8 patients (5 men, mean age 55±14 years) undergoing CB-PVI, pressure in each PV was measured by catheter located inside the PV directly before and after CB-PVI...
June 25, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28648668/catheter-ablation-in-patients-with-pleomorphic-idiopathic-premature-ventricular-complexes
#2
Seth H Sheldon, Rakesh Latchamsetty, Fred Morady, Frank Bogun
BACKGROUND: Premature ventricular complexes (PVCs) often originate from multiple locations OBJECTIVE: The goals of this study were to assess characteristics of patients with pleomorphic, idiopathic PVCs and to determine the impact of pleomorphic PVCs on outcomes. METHODS: Records were collected from 153 consecutive patients referred for ablation of PVCs. Patients with structural heart disease (n=34) or inadequate ambulatory ECG data (n=19) were excluded. RESULTS: Among 100 consecutive patients (age 52 ± 15 years, 53% men, 31% pleomorphic vs...
June 22, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28648432/importance-of-the-heart-borders-as-a-fluoroscopic-clue-for-cardiac-tamponade
#3
Halil Lutfi Kisacik, Sefa Unal, Burak Acar, Hande Cetin, Ozcan Ozeke
Every catheter laboratory is equipped with an X-ray system designed to provide fluoroscopic imaging of the heart. Although cardiac catheters are well visualized in all X-ray imaging, the soft tissue of myocardium is not. Therefore the imaging of the cardiac chambers is indirect through relation to the cardiac silhouette. However, fluoroscopy can be used to detect complications from the invasive procedures in the cardiac catheterization laboratory, such as cardiac tamponade where the excursion of the cardiac silhouette decreases, and visceral and parietal pericardium are seen separated by the blood of accumulation in the pericardial cavity...
May 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28647802/a-case-of-sapien-xt-valve-fallen-into-left-ventricle-during-valve-in-valve-transcatheter-aortic-valve-implantation
#4
Shigeki Koizumi, Natsuhiko Ehara, Kenta Nishiya, Tadaaki Koyama
Late transcatheter heart valve embolization is a rare but life-threatening complication of transcatheter aortic valve implantation. Surgical intervention is performed for most cases, but some cases were treated by valve-in-valve transcatheter aortic valve implantation. We describe a patient in whom a 29-mm Edwards SAPIEN XT valve migrated into the left ventricular outflow tract 41 days after the initial implantation. We tried to perform valve-in-valve transcatheter aortic valve implantation using a transfemoral approach...
June 24, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28646466/effects-of-catheter-based-renal-denervation-on-heart-failure-with-reduced-ejection-fraction-a-systematic-review-and-meta-analysis
#5
REVIEW
Hidekatsu Fukuta, Toshihiko Goto, Kazuaki Wakami, Nobuyuki Ohte
Despite the recent advances in the management of heart failure, the mortality of heart failure patients remains high. It is of urgent need to develop new therapy for heart failure. Heart failure is characterized by increased sympathetic activity, and chronic sympathetic activation is involved in the maintenance of the pathological state. Catheter-based renal denervation (RDN) has emerged as an invasive but safe approach that can reduce sympathetic activation. Studies have reported inconsistent results regarding the effect of RDN in heart failure patients due to limited power with small sample sizes...
June 24, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28645806/brugada-syndrome-a-general-cardiologist-s-perspective
#6
REVIEW
Marija M Polovina, Milica Vukicevic, Bojan Banko, Gregory Y H Lip, Tatjana S Potpara
Brugada syndrome (BrS) is one of the commonest inherited primary arrhythmia syndromes typically presenting with arrhythmic syncope or sudden cardiac death (SCD) due to polymorphic ventricular tachycardia and ventricular fibrillation precipitated by vagotonia or fever in apparently healthy adults, less frequently in children. The prevalence of the syndrome (0.01%-0.3%) varies among regions and ethnicities, being the highest in Southeast Asia. BrS is diagnosed by the "coved type" ST-segment elevation≥2mm followed by a negative T-wave in ≥1 of the right precordial leads V1-V2...
June 20, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28645796/preclinical-testing-of-frequency-tunable-capacitive-micromachined-ultrasonic-transducer-probe-prototypes
#7
Martin Pekař, Alexander F Kolen, Harm Belt, Frank van Heesch, Nenad Mihajlović, Imo E Hoefer, Tamas Szili-Török, Hendrik J Vos, Johan G Bosch, Gijs van Soest, Antonius F W van der Steen
In intracardiac echocardiography (ICE) it may be beneficial to generate ultrasound images acquired at multiple frequencies, having the possibility of high penetration or high-resolution imaging in a single device. The objective of the presented work is to test two frequency-tunable probe prototypes in a preclinical setting: a rigid probe having a diameter of 11 mm and a new flexible and steerable 12-Fr ICE catheter. Both probes feature a forward-looking 32-element capacitive micromachined ultrasonic transducer array (aperture of 2 × 2 mm(2)) operated in collapse mode, which allows for frequency tuning in the 6-MHz-18-MHz range...
June 20, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28639873/anesthetic-management-of-patients-undergoing-percutaneous-endocardial-and-epicardial-left-atrial-appendage-occlusion
#8
Zeena Husain, Payam Safavi-Naeini, Abdi Rasekh, Mehdi Razavi, Charles D Collard, James M Anton, Daniel A Tolpin
Atrial fibrillation is the most common cardiac arrhythmia in adults affecting almost 6 million adults in the United States. The 2 most common comorbidities associated with atrial fibrillation are heart failure and thromboembolic events. Heart failure symptoms may be treated with rate control, antiarrhythmic medications or by catheter ablation. Unfortunately, despite optimal medical management, thromboembolic events still occur. Recently, there has been a great deal of interest and innovation in finding an alternative to chronic anticoagulation...
June 1, 2017: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28639575/account-for-clinical-heterogeneity-in-assessment-of-catheter-based-renal-denervation-among-resistant-hypertension-patients-subgroup-meta-analysis
#9
Xiao-Han Chen, Sehee Kim, Xiao-Xi Zeng, Zhi-Bing Chen, Tian-Lei Cui, Zhang-Xue Hu, Yi Li, Ping Fu
BACKGROUND: Catheter-based renal denervation (RDN) is a novel treatment for resistant hypertension (RH). A recent meta-analysis reported that RDN did not significantly reduce blood pressure (BP) based on the pooled effects with mild to severe heterogeneity. The aim of the present study was to identify and reduce clinical sources of heterogeneity and reassess the safety and efficacy of RDN within the identified homogeneous subpopulations. METHODS: This was a meta-analysis of 9 randomized clinical trials (RCTs) among patients with RH up to June 2016...
July 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28633268/surgical-interventional-hybrid-concept-in-a-newborn-with-borderline-left-heart
#10
Stefan Rupp, Josef Thul, Kerstin Gummel, Markus Khalil, Hakan Akintuerk, Dietmar Schranz
Through a series of complex surgical and interventional procedures including downsizing of an unrestricted atrial septal defect, aortic arch reconstruction, pulmonary artery banding, reversed Potts shunt, and Melody valve in a mitral position, biventricular conversion was successfully achieved in a patient with a distinct borderline left ventricle. By use of these interventional steps, flow-mediated and load-mediated growth of a small left ventricle was observed, highlighting the plasticity of hearts in growing children...
July 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28632652/utility-of-cardiac-magnetic-resonance-imaging-in-the-management-of-adult-congenital-heart-disease
#11
Giuseppe Muscogiuri, Aurelio Secinaro, Paolo Ciliberti, Megan Fuqua, Arni Nutting
The increasing number of patients with adult congenital heart disease (ACHD) calls for the development of noninvasive imaging techniques that allow a long-term evaluation of native and postsurgical anatomy and function. Echocardiography remains the imaging modality of choice for congenital heart disease, but it is affected by limited acoustic windows and poor tissue characterization. Cardiac computed tomography and cardiac catheter angiography are 2 valid alternatives for the anatomic and functional assessment of ACHD; however, both use ionizing radiation, and cardiac catheter angiography requires an invasive approach...
July 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28625702/national-trends-in-the-frequency-of-bladder-catheterization-and-physician-diagnosed-catheter-associated-urinary-tract-infections-results-from-the-medicare-patient-safety-monitoring-system
#12
Mark L Metersky, Noel Eldridge, Yun Wang, Eric M Mortensen, Jennifer Meddings
BACKGROUND: It is unclear if bladder catheterization and catheter-associated urinary tract infection (CAUTI) rates have changed since the implementation of public reporting in 2011. METHODS: We analyzed data from the Medicare Patient Safety Monitoring System, a national, chart abstraction-based surveillance system, for hospitalized adults with a principal discharge diagnosis of heart failure (HF), acute myocardial infarction (AMI), or pneumonia and patients who had undergone certain major surgeries...
June 15, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28624892/a-meta-analysis-of-manual-versus-remote-magnetic-navigation-for-ventricular-tachycardia-ablation
#13
Mohit K Turagam, Donita Atkins, Roderick Tung, Moussa Mansour, Jeremy Ruskin, Jie Cheng, Luigi Di Biase, Andrea Natale, Dhanunjaya Lakkireddy
BACKGROUND: There are limited studies on the safety and efficacy of remote magnetic navigation (RMN) versus manual navigation (MAN) in ventricular tachycardia (VT) ablation. METHODS: A comprehensive literature search was performed using the keywords VT ablation, stereotaxis, RMN and MAN in Pubmed, Ebsco, Web of Science, Cochrane, and Google scholar databases. RESULTS: The analysis included seven studies (one randomized, three prospective observational, and three retrospective) including 779 patients [both structural heart disease (SHD) and idiopathic VT] comparing RMN (N = 433) and MAN (N = 339) in VT ablation...
June 17, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28623891/systolic-blood-pressure-variability-in-patients-with-early-severe-sepsis-or-septic-shock-a-prospective-cohort-study
#14
Yi Tang, Jeff Sorenson, Michael Lanspa, Colin K Grissom, V J Mathews, Samuel M Brown
BACKGROUND: Severe sepsis and septic shock are often lethal syndromes, in which the autonomic nervous system may fail to maintain adequate blood pressure. Heart rate variability has been associated with outcomes in sepsis. Whether systolic blood pressure (SBP) variability is associated with clinical outcomes in septic patients is unknown. The propose of this study is to determine whether variability in SBP correlates with vasopressor independence and mortality among septic patients. METHODS: We prospectively studied patients with severe sepsis or septic shock, admitted to an intensive care unit (ICU) with an arterial catheter...
June 17, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28619016/clinical-application-of-a-novel-endoscopic-mask-a-randomized-controlled-multi-center-trial-in-patients-undergoing-awake-fiberoptic-bronchoscopic-intubation
#15
Tianxiao Zou, Zhenling Huang, Xiaoxue Hu, Guangyu Cai, Miao He, Shanjuan Wang, Ping Huang, Bin Yu
BACKGROUND: Awake fiberoptic bronchoscopic tracheal intubation is usually regarded as an effective method in the management of predicted difficult airway. Hypoxia during awake nasal fiberoptic bronchoscopic intubation leads to discontinuation of the procedure, prolonged manipulation time and increased risk of severe complications. The main aim of the study was to test whether the novel endoscopic mask is helpful for hypoxia during the intubation. METHODS: This was a randomized, controlled, multi-center study...
June 15, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28616563/low-rate-of-access-site-complications-after-transradial-coronary-catheterization-a-prospective-ultrasound-study
#16
Violeta Mattea, Carsten Salomon, Niels Menck, Philipp Lauten, Frank Michael Malur, Anja Schade, Frank Steinborn, Lisa Costello-Boerrigter, Axel Neumeister, Harald Lapp
BACKGROUND: Transradial artery (TRA) left heart catheterization is an increasingly used technique for both diagnostic and interventional coronary procedures. This study evaluates the incidence of access site complications in the current interventional era. METHODS AND RESULTS: A total of 507 procedures were performed under standardized conditions. Each procedure was performed using high levels of anticoagulation, hydrophilic sheaths, and short post-procedural compression times...
March 2017: IJC Heart & Vasculature
https://www.readbyqxmd.com/read/28615986/mortality-stroke-and-heart-failure-in-atrial-fibrillation-cohorts-after-ablation-versus-propensity-matched-cohorts
#17
Julian We Jarman, Tina D Hunter, Wajid Hussain, Jamie L March, Tom Wong, Vias Markides
BACKGROUND: We sought to determine from key clinical outcomes whether catheter ablation of atrial fibrillation (AF) is associated with increased survival. METHODS AND RESULTS: Using routinely collected hospital data, ablation patients were matched to two control cohorts using direct and propensity score methodology. Four thousand nine hundred ninety-one ablation patients were matched 1:1 with general AF controls without ablation. Five thousand four hundred seven ablation patients were similarly matched to controls who underwent cardioversion...
2017: Pragmatic and Observational Research
https://www.readbyqxmd.com/read/28611061/clinical-events-and-echocardiographic-lesion-progression-rate-in-subjects-with-mild-or-moderate-aortic-regurgitation
#18
Sveeta Badiani, Jet van Zalen, Saad Saheecha, Lesley Hart, Ann Topham, Nikhil Patel, Lydia Sturridge, Andrew Marshall, Neil Sulke, Stephen Furniss, Guy Lloyd
A 69 year old male, an ex-smoker, was admitted with ongoing chest pain of 11 hours duration. Past medical history included treated hypertension and gastro-oesophageal reflux disease. He delayed seeking medical attention as he assumed the pain to be due to indigestion and kept taking antacids without much symptomatic relief. Clinical examination on arrival was unremarkable. Admission 12 lead electrocardiogram (ECG) was diagnostic of a recent anterolateral myocardial infarction (MI) (Figure 1a). Bedside trans-thoracic echocardiogram (TTE) confirmed an established anterolateral MI (Video 1, Figure 1b)...
June 13, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28607611/report-of-periprocedural-oral-anticoagulants-in-catheter-ablation-for-atrial-fibrillation-the-japanese-catheter-ablation-registry-of-atrial-fibrillation-j-caraf
#19
Yuji Murakawa, Akihiko Nogami, Morio Shoda, Koichi Inoue, Shigeto Naito, Koichiro Kumagai, Yasushi Miyauchi, Teiichi Yamane, Norishige Morita, Hideo Mitamura, Ken Okumura, Kenzo Hirao
BACKGROUND: To obtain a perspective of the current status of catheter ablation for the cure of atrial fibrillation, the Japanese Heart Rhythm Society conducted a nationwide survey: the Japanese Catheter Ablation Registry of Atrial Fibrillation. In this report, we aimed to evaluate the periprocedural use of direct oral anticoagulants with respect to thromboembolic or bleeding complications. METHODS: Using an online questionnaire, the Japanese Heart Rhythm Society requested electrophysiology centers in Japan to register the relevant data of patients who underwent atrial fibrillation ablation over selected five-months from 2011 to 2014...
June 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28606674/transcatheter-aortic-valve-implantation-in-patients-with-an-extremely-small-native-aortic-annulus-the-ocean-tavi-registry
#20
Fumiaki Yashima, Masanori Yamamoto, Makoto Tanaka, Ryo Yanagisawa, Takahide Arai, Hideyuki Shimizu, Keiichi Fukuda, Yusuke Watanabe, Toru Naganuma, Shinichi Shirai, Motoharu Araki, Norio Tada, Futoshi Yamanaka, Kentaro Hayashida
BACKGROUND: Transcatheter aortic valve implantation (TAVI) has been reported to be advantageous over surgical aortic valve replacement owing to the low incidence of prosthesis-patient mismatch (PPM) and large effective orifice area (EOA). However, data on TAVI for extremely small annuli are limited. The present study aimed to compare post-procedural hemodynamics and morphology between 20-mm and 23-mm Sapien XT (SXT) transcatheter heart valves (THVs) with extremely small annuli (<314mm(2))...
August 1, 2017: International Journal of Cardiology
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