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https://www.readbyqxmd.com/read/28529181/leadless-cardiac-pacemakers-current-status-of-a-modern-approach-in-pacing
#1
REVIEW
Skevos Sideris, Stefanos Archontakis, Polychronis Dilaveris, Konstantinos A Gatzoulis, Konstantinos Trachanas, Ilias Sotiropoulos, Petros Arsenos, Dimitrios Tousoulis, Ioannis Kallikazaros
Since the first transvenous pacemaker implantation, that took place 50 years ago, important progress has been achieved in pacing technology. Consequently, today, more than 700,000 pacemakers are implanted annually worldwide. However, conventional pacemakers' implantation carries a non-negligible risk of periprocedural and long-term complications associated with the transvenous leads and pacemaker pocket. Recently, Leadless Pacing Systems have emerged as a therapeutic alternative to conventional pacing systems providing therapy for patients with bradyarrhythmias, while eliminating potential transvenous leads and pacemaker pocket related complications...
May 18, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28521596/overcoming-the-current-issues-surrounding-device-leads-reducing-the-complications-during-extraction
#2
Maria Grazia Bongiorni, Luca Segreti, Andrea Di Cori, Giulio Zucchelli, Luca Paperini, Stefano Viani, Ezio Soldati
The implantation rate of of Cardiac implantable Elecrtonical Devices has consistently increased in the last 20 years, so as related complication rates. According, devices infections and malfunctions required the development of appropriate strategies. The most relevant issue is the removal of pacing and ICD leads, which, few months after implantation, tend to develop intravascular fibrosis, often making extraction a challenging and risky procedure. Areas Covered: TLE scenario is constantly evolving. Transvenous lead extraction (TLE) is a key procedure in lead management strategies...
May 18, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28517367/rationale-and-design-of-a-randomized-trial-to-assess-the-safety-and-efficacy-of-multipoint-pacing-mpp-in-cardiac-resynchronization-therapy-the-mpp-trial
#3
Gery Tomassoni, James Baker, Raffaele Corbisiero, Charles Love, David Martin, Robert Sheppard, Seth J Worley, Kwangdeok Lee, Imran Niazi
BACKGROUND: Although the majority of Class III congestive heart failure (HF) patients treated with cardiac resynchronization therapy (CRT) show a clinical benefit, up to 40% of patients do not respond to CRT. This paper reports the design of the MultiPoint Pacing (MPP) trial, a prospective, randomized, double-blind, controlled study to evaluate the safety and efficacy of CRT using MPP compared to standard biventricular (Bi-V) pacing. METHODS: A maximum of 506 patients with a standard CRT-D indication will be enrolled at up to 50 US centers...
May 18, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28502871/a-leadless-pacemaker-in-the-real-world-setting-the-micra-transcatheter-pacing-system-post-approval-registry
#4
Paul R Roberts, Nicolas Clementy, Faisal Al Samadi, Christophe Garweg, Jose Luis Martinez-Sande, Saverio Iacopino, Jens Brock Johansen, Xavier Vinolas Prat, Robert Kowal, Didier Klug, Lluis Mont, Jan Steffel, Shelby Li, Dirk Van Osch, Mikhael F El-Chami
BACKGROUND: First-in-man studies of leadless pacemakers have demonstrated high implant success rates, and safety and efficacy objectives were achieved. Outside of the investigational setting, there are particular concerns over cardiac effusion/perforation, device dislodgement, infection, telemetry, and battery issues. OBJECTIVE: The acute performance of the Micra transcatheter pacemaker from a worldwide post-approval registry is reported. METHODS: The registry is an ongoing prospective single-arm observational study designed to assess the safety and effectiveness of Micra in the post-approval setting...
May 11, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28500739/feasibility-and-safety-of-transfemoral-sheathless-portico-aortic-valve-implantation-preliminary-results-in-a-single-center-experience
#5
Maurizio Taramasso, Andrea Denegri, Shingo Kuwata, Hans Rickli, Philipp K Haager, Gabor Sütsch, Hector Rodriguez Cetina Biefer, Jan Kottwitz, Fabian Nietlispach, Francesco Maisano
BACKGROUND: Feasibility of transfemoral (TF) transcathteter aortic valve replacement (TAVR) is limited by the smallest diameter, the calcification and tortuosity of the iliofemoral access vessels. The use of the Portico system without delivery sheath results in significantly lower profile delivery system compared to standard technique. We herein report our single center experience, feasibility and safety of such an approach. METHODS: The Portico valve was implanted sheathless in 81 high-risk patients with severe aortic stenosis utilizing percutaneous femoral access...
May 13, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28489502/advances-in-cardiac-pacing-and-defibrillation
#6
Kristin Ellison, Parikshit S Sharma, Richard Trohman
There have been many milestones in the evolution of cardiac implantable electronic devices (CIEDs) over the past few decades. Along with advancements in the field, new challenges have arisen. The ability to pace the right ventricular was the original breakthrough in the late 1950s, however adverse structural and clinical effects of long-term pacing induced dyssynchrony have recently become evident. Biventricular pacing has provided a viable option to help mitigate dyssynchrony, but has only proved to be beneficial for selective patients (primarily left bundle branch block and QRS duration ≥ 150 ms with depressed left ventricular (LV) function)...
May 10, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28484651/surgical-repair-of-subacute-right-ventricular-perforation-after-pacemaker-implantation
#7
Takeshi Oda, Takanori Kono, Keiichi Akaiwa, Yasushi Takahara, Chie Yasuoka, Katsuhiko Nakamura
We report an 84-year-old woman who presented with right ventricular perforation 4 days after pacemaker implantation for syncope due to sick sinus syndrome. Median sternotomy revealed no pericardial effusion, but the pacing lead had penetrated the right ventricle and pericardium. When the pleura was opened, the tip of the lead was seen in the visceral pleura. The lead was cut in the pericardial cavity and extracted from the left subclavian wound together with the generator. The right ventricular perforation was sutured and a temporary pacing lead was placed on the right ventricular wall intraoperatively...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28478769/long-term-outcome-after-percutaneous-closure-of-persistent-left-superior-caval-vein-draining-into-the-left-atrium-a-contrast-enhanced-ct-study
#8
Davide Marini, Matteo Castagno, Michele Millesimo, Francesca Ferroni, Gaetana Ferraro, Carlo Pace Napoleone, Gabriella Agnoletti
BACKGROUND: Data regarding long-term outcome after percutaneous closure of left superior caval vein draining into the left atrium are lacking. The aim of the present study was to report the long-term follow-up by using contrast-enhanced CT. METHODS: In all, three patients underwent percutaneous closure of left superior caval vein draining into the left atrium between 2005 and 2015. All of them were evaluated clinically and underwent contrast-enhanced CT. RESULTS: In one patient, the Amplatzer® Septal Occluder was used...
May 8, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28467972/mitral-isthmus-ablation-using-a-circular-mapping-catheter-positioned-in-the-left-atrial-appendage-as-a-reference-for-conduction-block
#9
Takahiko Nishiyama, Takehiro Kimura, Taishi Fujisawa, Kazuaki Nakajima, Akira Kunitomi, Shin Kashimura, Yoshinori Katsumata, Nobuhiro Nishiyama, Yoshiyasu Aizawa, Keiichi Fukuda, Seiji Takatsuki
BACKGROUND: For perimitral atrial flutter (PMFL) developing after catheter ablation of atrial fibrillation (AF), to create a complete conduction block at the mitral isthmus (MI) is mandatory to terminate it, however, it is still challenging. METHODS: This study consisted of 80 patients (74 male, 61 ± 8.1 years) undergoing MI ablation. After a circular mapping catheter was positioned at the neck of the left atrial appendage (LAA), the MI ablation was performed on the MI line just below the LAA neck targeting the earliest activation recording site of the LAA catheter during pacing from the coronary sinus (CS)...
April 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28457234/bradyarrhythmias-in-congenital-heart-disease
#10
REVIEW
Steven K Carlson, Akash R Patel, Philip M Chang
Bradyarrhythmias in adults with congenital heart disease (CHD) comprise a complex group of arrhythmia disorders with congenital and acquired origins, highly variable long-term sequelae, and complicated treatment options. They can develop across the spectrum of CHD defects and can be encountered at all ages. Although permanent pacing is effective in treating bradyarrhythmias, it is associated with many complications and morbidity, where it is often used early in life. This section discusses the incidence and prevalence of bradyarrhythmias in the CHD population, their timing of occurrence with respect to specific disease entities and interventions, and their short- and long-term clinical sequelae...
June 2017: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/28451494/c5-palsy-after-cervical-spine-surgery-a-multicenter-retrospective-review-of-59-cases
#11
Sara E Thompson, Zachary A Smith, Wellington K Hsu, Ahmad Nassr, Thomas E Mroz, David E Fish, Jeffrey C Wang, Michael G Fehlings, Chadi A Tannoury, Tony Tannoury, P Justin Tortolani, Vincent C Traynelis, Ziya Gokaslan, Alan S Hilibrand, Robert E Isaacs, Praveen V Mummaneni, Dean Chou, Sheeraz A Qureshi, Samuel K Cho, Evan O Baird, Rick C Sasso, Paul M Arnold, Zorica Buser, Mohamad Bydon, Michelle J Clarke, Anthony F De Giacomo, Adeeb Derakhshan, Bruce Jobse, Elizabeth L Lord, Daniel Lubelski, Eric M Massicotte, Michael P Steinmetz, Gabriel A Smith, Jonathan Pace, Mark Corriveau, Sungho Lee, Peter I Cha, Dhananjay Chatterjee, Erica L Gee, Erik N Mayer, Owen J McBride, Allison K Roe, Marisa Y Yanez, D Alex Stroh, Khoi D Than, K Daniel Riew
STUDY DESIGN: A multicenter, retrospective review of C5 palsy after cervical spine surgery. OBJECTIVE: Postoperative C5 palsy is a known complication of cervical decompressive spinal surgery. The goal of this study was to review the incidence, patient characteristics, and outcome of C5 palsy in patients undergoing cervical spine surgery. METHODS: We conducted a multicenter, retrospective review of 13 946 patients across 21 centers who received cervical spine surgery (levels C2 to C7) between January 1, 2005, and December 31, 2011, inclusive...
April 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28451493/a-multicenter-study-of-the-presentation-treatment-and-outcomes-of-cervical-dural-tears
#12
Kevin R O'Neill, Michael G Fehlings, Thomas E Mroz, Zachary A Smith, Wellington K Hsu, Adam S Kanter, Michael P Steinmetz, Paul M Arnold, Praveen V Mummaneni, Dean Chou, Ahmad Nassr, Sheeraz A Qureshi, Samuel K Cho, Evan O Baird, Justin S Smith, Christopher Shaffrey, Chadi A Tannoury, Tony Tannoury, Ziya L Gokaslan, Jeffrey L Gum, Robert A Hart, Robert E Isaacs, Rick C Sasso, David B Bumpass, Mohamad Bydon, Mark Corriveau, Anthony F De Giacomo, Adeeb Derakhshan, Bruce C Jobse, Daniel Lubelski, Sungho Lee, Eric M Massicotte, Jonathan R Pace, Gabriel A Smith, Khoi D Than, K Daniel Riew
STUDY DESIGN: Retrospective multicenter case series study. OBJECTIVE: Because cervical dural tears are rare, most surgeons have limited experience with this complication. A multicenter study was performed to better understand the presentation, treatment, and outcomes following cervical dural tears. METHODS: Multiple surgeons from 23 institutions retrospectively identified 21 rare complications that occurred between 2005 and 2011, including unintentional cervical dural tears...
April 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28451490/incidence-and-outcomes-of-acute-implant-extrusion-following-anterior-cervical-spine-surgery
#13
Gabriel A Smith, Jonathan Pace, Mark Corriveau, Sungho Lee, Thomas E Mroz, Ahmad Nassr, Michael G Fehlings, Robert A Hart, Alan S Hilibrand, Paul M Arnold, David B Bumpass, Ziya Gokaslan, Mohamad Bydon, Jeremy L Fogelson, Eric M Massicotte, K Daniel Riew, Michael P Steinmetz
STUDY DESIGN: Multi-institutional retrospective case series of 8887 patients who underwent anterior cervical spine surgery. OBJECTIVE: Anterior decompression from discectomy or corpectomy is not without risk. Surgical morbidity ranges from 9% to 20% and is likely underreported. Little is known of the incidence and effects of rare complications on functional outcomes following anterior spinal surgery. In this retrospective review, we examined implant extrusions (IEs) following anterior cervical fusion...
April 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28451487/epidemiology-and-outcomes-of-vertebral-artery-injury-in-16%C3%A2-582-cervical-spine-surgery-patients-an-aospine-north-america-multicenter-study
#14
Wellington K Hsu, Abhishek Kannan, Harry T Mai, Michael G Fehlings, Zachary A Smith, Vincent C Traynelis, Ziya L Gokaslan, Alan S Hilibrand, Ahmad Nassr, Paul M Arnold, Thomas E Mroz, Mohamad Bydon, Eric M Massicotte, Wilson Z Ray, Michael P Steinmetz, Gabriel A Smith, Jonathan Pace, Mark Corriveau, Sungho Lee, Robert E Isaacs, Jeffrey C Wang, Elizabeth L Lord, Zorica Buser, K Daniel Riew
STUDY DESIGN: A multicenter retrospective case series was compiled involving 21 medical institutions. Inclusion criteria included patients who underwent cervical spine surgery between 2005 and 2011 and who sustained a vertebral artery injury (VAI). OBJECTIVE: To report the frequency, risk factors, outcomes, and management goals of VAI in patients who have undergone cervical spine surgery. METHODS: Patients were evaluated on the basis of condition-specific functional status using the Neck Disability Index (NDI), modified Japanese Orthopaedic Association (mJOA) score, the Nurick scale, and the 36-Item Short-Form Health Survey (SF-36)...
April 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28451482/thoracic-duct-injury-following-cervical-spine-surgery-a-multicenter-retrospective-review
#15
Adeeb Derakhshan, Daniel Lubelski, Michael P Steinmetz, Mark Corriveau, Sungho Lee, Jonathan R Pace, Gabriel A Smith, Ziya Gokaslan, Mohamad Bydon, Paul M Arnold, Michael G Fehlings, K Daniel Riew, Thomas E Mroz
STUDY DESIGN: Multicenter retrospective case series. OBJECTIVE: To determine the rate of thoracic duct injury during cervical spine operations. METHODS: A retrospective case series study was conducted among 21 high-volume surgical centers to identify instances of thoracic duct injury during anterior cervical spine surgery. Staff at each center abstracted data for each identified case into case report forms. All case report forms were collected by the AOSpine North America Clinical Research Network Methodological Core for data processing, cleaning, and analysis...
April 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28451481/rare-complications-of-cervical-spine-surgery-pseudomeningocoele
#16
Tamir Ailon, Justin S Smith, Ahmad Nassr, Zachary A Smith, Wellington K Hsu, Michael G Fehlings, David E Fish, Jeffrey C Wang, Alan S Hilibrand, Praveen V Mummaneni, Dean Chou, Rick C Sasso, Vincent C Traynelis, Paul M Arnold, Thomas E Mroz, Zorica Buser, Elizabeth L Lord, Eric M Massicotte, Arjun S Sebastian, Khoi D Than, Michael P Steinmetz, Gabriel A Smith, Jonathan Pace, Mark Corriveau, Sungho Lee, K Daniel Riew, Christopher Shaffrey
STUDY DESIGN: This study was a retrospective, multicenter cohort study. OBJECTIVES: Rare complications of cervical spine surgery are inherently difficult to investigate. Pseudomeningocoele (PMC), an abnormal collection of cerebrospinal fluid that communicates with the subarachnoid space, is one such complication. In order to evaluate and better understand the incidence, presentation, treatment, and outcome of PMC following cervical spine surgery, we conducted a multicenter study to pool our collective experience...
April 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28446377/external-closed-circuit-cooling-system-for-management-of-patients-after-device-implantation-a-feasibility-study
#17
Fabrizio Giofrè, Paola Ferrari, Cristina Leidi, Maria Laura Foschi, Michele Senni, Paolo De Filippo
BACKGROUND: In the first 24h after pacemaker or implantable cardioverter/defibrillator (ICD) implantation or replacement, the occurrence of hematoma and pain in the surgically treated region is not infrequent and may result in re-intervention and/or more severe complications, such as infections. Currently, the post-implant phase management is very empiric. The aim of this study was to test the clinical applicability and usefulness of an external close-circuit cooling system for the management of the early post-implant period in patients with high risk of hematoma due to anticoagulant and/or antiplatelet therapy...
April 19, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28444178/shortening-cardioplegic-arrest-time-in-patients-undergoing-combined-coronary-and-valve-surgery-results-from-a-multicentre-randomized-controlled-trial-the-scat-trial
#18
Chris A Rogers, Radek Capoun, Lauren J Scott, Jodi Taylor, Anil Jain, Gianni D Angelini, Pradeep Narayan, M-Saadeh Suleiman, Kunal Sarkar, Raimondo Ascione
OBJECTIVES: Combined coronary artery bypass grafting and valve surgery requires a prolonged period of cardioplegic arrest (CA) predisposing to myocardial injury and postoperative cardiac-specific complications. The aim of this trial was to reduce the CA time in patients undergoing combined coronary artery bypass grafting and valve surgery and assess if this was associated with less myocardial injury and related complications. METHODS: Participants were randomized to (i) coronary artery bypass grafting performed on the beating heart with cardiopulmonary bypass support followed by CA for the valve procedure (hybrid) or (ii) both procedures under CA (conventional)...
April 24, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28441850/-clinical-application-of-one-stage-operation-of-epicardial-permanent-pacemaker-implantation-and-cardiac-surgery
#19
C L Ren, S L Jiang, C S Xiao, R Wang, C Q Gao
Objective: To summarize the results and clinical application experience of one-stage operation of epicardial permanent pacemaker implantation and cardiac surgery. Methods: From November 2014 to July 2016, 15 patients (9 males and 6 females) with ages ranging from 50 to 73 (63.5±6.2) years requiring cardiac surgery with bradycardia underwent one-stage operation of epicardial permanent pacemaker implantation and cardiac surgery. All operations were performed under general anesthesia with chest median incision approach...
April 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28439940/impact-of-operator-experience-and-training-strategy-on-procedural-outcomes-with-leadless-pacing-insights-from-the-micra-transcatheter-pacing-study
#20
Mikhael El Chami, Robert C Kowal, Kyoko Soejima, Philippe Ritter, Gabor Z Duray, Petr Neuzil, Lluis Mont, Alexander Kypta, Venkata Sagi, J Harrison Hudnall, Kurt Stromberg, Dwight Reynolds
BACKGROUND: Leadless pacemaker systems have been designed to avoid the need for a pocket and transvenous lead. However, delivery of this therapy requires a new catheter-based procedure. This study evaluates the role of operator experience and different training strategies on procedural outcomes. METHODS: A total of 726 patients underwent implant attempt with the Micra transcatheter pacing system (TPS) by 94 operators trained in a teaching laboratory using a simulator, cadaver, and large animal models (lab training) or locally at the hospital with simulator/demo model and proctorship (hospital training)...
April 24, 2017: Pacing and Clinical Electrophysiology: PACE
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