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Pacemaker infection

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https://www.readbyqxmd.com/read/28073883/infective-endocarditis-and-risk-of-death-after-cardiac-implantable-electronic-device-implantation-a-nationwide-cohort-study
#1
Cengiz Özcan, Jakob Raunsø, Morten Lamberts, Lars Køber, Tommi Bo Lindhardt, Niels Eske Bruun, Marie Louise Laursen, Christian Torp-Pedersen, Gunnar Hilmar Gislason, Morten Lock Hansen
AIMS: To determine the incidence, risk factors, and mortality of infective endocarditis (IE) following implantation of a first-time, permanent, cardiac implantable electronic device (CIED). METHODS AND RESULTS: From Danish nationwide administrative registers (beginning in 1996), we identified all de-novo permanent pacemakers (PMs) and implantable cardioverter defibrillators (ICDs) together with the occurrence of post-implantation IE-events in the period from 2000-2012...
January 10, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28073877/pacemaker-pocket-infection-due-to-mycobacterium-goodii-a-rapidly-growing-mycobacteria
#2
David K Yoo, Seyed M Hosseini-Moghaddam
A woman aged 74 years with an implanted dual-chamber pacemaker presented with pacemaker site infection after failing empiric antimicrobial therapy. The pathogen was later identified as Mycobacterium goodii, a rapidly growing mycobacteria species. The pacemaker was subsequently removed and the patient was treated with oral ciprofloxacin and doxycycline with clinical improvement. In this article, we describe a rare case of pacemaker site infection by M. goodii.
January 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28068928/newly-recognized-cerebral-infarctions-on-postmortem-imaging-a-report-of-three-cases-with-systemic-infectious-disease
#3
Sakon Noriki, Kazuyuki Kinoshita, Kunihiro Inai, Toyohiko Sakai, Hirohiko Kimura, Takahiro Yamauchi, Masayuki Iwano, Hironobu Naiki
BACKGROUND: Postmortem imaging (PMI) refers to the imaging of cadavers by computed tomography (CT) and/or magnetic resonance imaging (MRI). Three cases of cerebral infarctions that were not found during life but were newly recognized on PMI and were associated with severe systemic infections are presented. CASE PRESENTATIONS: An 81-year-old woman with a pacemaker and slightly impaired liver function presented with fever. Imaging suggested interstitial pneumonia and an iliopsoas abscess, and blood tests showed liver dysfunction and disseminated intravascular coagulation (DIC)...
January 10, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28040771/transplantation-in-a-patient-on-extracorporeal-membrane-oxygenation-with-infective-endocarditis-pericarditis-and-heparin-induced-thrombocytopenia
#4
Eunise Chen, Nicholas Clarke, Lynn Huffman, Matthias Peltz
Heart failure patients with pacemaker or defibrillator-associated endocarditis in cardiogenic shock have few treatment options. We present a case of an INTERMACS I patient who developed device infection, sepsis, bacterial pericarditis and heparin-induced thrombocytopenia. The patient was stabilized with extracorporeal membrane oxygenation and successfully transplanted.
December 31, 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/27996097/prevention-of-cardiac-implantable-electronic-device-infections-single-operator-technique-with-use-of-povidone-iodine-double-gloving-meticulous-aseptic-antiseptic-measures-and-antibiotic-prophylaxis
#5
Antonis S Manolis, Helen Melita
BACKGROUND: Cardiac implantable electronic device (CIED) implantation is complicated by infection still at a worrisome rate of 2-5%. Since early on during device implantation procedures, we have adopted an infection preventive technique which has hitherto resulted in effective prevention of infections. Herein we present our results of applying this technique by a single operator in a prospective series of 762 consecutive patients undergoing device implantation. METHODS: A meticulous search for and treatment of active, occult or smoldering infection was undertaken preoperatively...
December 20, 2016: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27989047/results-of-contemporary-valve-surgery-in-patients-with-carcinoid-heart-disease
#6
Thomas Kuntze, Tamer Owais, Maria-Anna Secknus, Daniel Kaemmerer, Richard Baum, Evaldas Girdauskas
BACKGROUND: Carcinoid tumor is a slow-growing type of neuroendocrine tumor, originating from enterochromaffin cells and secreting mainly serotonin. The diagnosis is based on clinical symptoms, hormone blood levels, radiological and nuclear imaging, and histological confirmation. However, most patients have metastases at the time of diagnosis because the clinical signs often remain unnoticed or are attributed to other abdominal conditions. In up to 50% of patients the endocardium is affected due to a hormonally active tumor profile...
May 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27964841/infections-in-cardiac-implantable-electronic-devices-diagnosis-and-management-in-a-referral-center
#7
Encarnación Gutiérrez Carretero, Eduardo Arana Rueda, José Manuel Lomas Cabezas, Fernando Laviana Martínez, Manuel Villa Gil-Ortega, Jesús Acosta Martínez, Alonso Pedrote Martínez, Arístides de Alarcón González
INTRODUCTION AND OBJECTIVES: Infections in cardiac implantable electronic devices are increasing due to the expansion of the indications of these devices. The management of some aspects is controversial. Here, we report our broad experience. METHODS: Between 1985 and 2015, 325 infections (196 local and 129 systemic) were registered; 28.5% of them were referred from other centers: 229 pacemakers, 69 implantable cardioverter-defibrillators, and 27 patients with cardiac resynchronization therapy...
December 7, 2016: Revista Española de Cardiología
https://www.readbyqxmd.com/read/27910125/bioprosthetic-tricuspid-valve-replacement-for-tricuspid-valve-endocarditis-secondary-to-infected-endocardial-pacemaker-leads
#8
Zhiwei Xu, Qiuxia Shi, Ju Mei, Yan Tan
BACKGROUND: The purpose of this study was to present outcomes of bioprosthetic tricuspid valve replacement (TVR) in patients with tricuspid valve infective endocarditis (TVIE). METHODS: From October 2001 to December 2015, 26 patients underwent a bioprosthetic TVR due to severe TVIE after endocardial pacemaker implantation. RESULTS: Staphylococcus species and Streptococcus species were the predominant microorganisms. Early 30-day hospital mortality was 0 (0%)...
January 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/27904842/the-challenges-of-cardiothoracic-surgery-practice-in-nigeria-a-12-years-institutional-experience
#9
Bode Falase, Michael Sanusi, Adeola Animasahun, Ogadinma Mgbajah, Adetinuwe Majekodunmi, Onyekwelu Nzewi, Jonathan Nwiloh, David Oke
BACKGROUND: Although the specialty of cardiothoracic surgery has been practiced in Nigeria for many years, open heart surgery (OHS) has only in the last decade become relatively more frequent, mainly through visiting foreign cardiac surgical teams. At this early phase of development it is faced with multiple challenges, especially financing and local skilled manpower for which solutions have to be identified in order to ensure sustainability and future growth. This study is aimed at highlighting these obstacles to growth of cardiothoracic surgery based on our own institutional experience at Lagos State University Teaching Hospital (LASUTH) and the current status of OHS activity in other cardiothoracic centers in Nigeria...
October 2016: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/27855290/transcatheter-leadless-cardiac-pacing-the-new-alternative-solution
#10
Antoine Da Costa, Amandine Axiotis, Cécile Romeyer-Bouchard, Loucif Abdellaoui, Zahi Afif, Jean Baptiste Guichard, Antoine Gerbay, Karl Isaaz
INTRODUCTION: A lack of information about the feasibility and safety of leadless pacemaker (LPMs) exists in a fragile population of patients with limited venous anatomy access or conventional pacemaker (PM) contraindication. Accordingly, the goal of this prospective observational study was to report our experience with this new leadless technology in a subset of patients with contraindication or limited venous access. METHODS AND RESULTS: Between May 2015 and July 2016, 14 patients were consecutively included...
January 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27826348/complete-heart-block-in-association-with-dengue-hemorrhagic-fever
#11
Hafeez Ul Hassan Virk, Faisal Inayat, Zia Ur Rahman
Dengue virus infection affects the heart structurally and functionally. Clinical manifestations of cardiac complications secondary to dengue virus infection vary from self-limiting arrhythmias to severe myocardial infarction, leading to hypotension, pulmonary edema, and cardiogenic shock. However, we report a case of dengue hemorrhagic fever (DHF) complicated by a complete heart block. A female with DHF due to dengue virus serotype 2, presented to the emergency department with fever, headache, rash, and fatigue followed by an episode of syncope...
November 2016: Korean Circulation Journal
https://www.readbyqxmd.com/read/27805586/methods-for-the-isolation-culture-and-functional-characterization-of-sinoatrial-node-myocytes-from-adult-mice
#12
Emily J Sharpe, Joshua R St Clair, Catherine Proenza
Sinoatrial node myocytes (SAMs) act as the natural pacemakers of the heart, initiating each heart beat by generating spontaneous action potentials (APs). These pacemaker APs reflect the coordinated activity of numerous membrane currents and intracellular calcium cycling. However the precise mechanisms that drive spontaneous pacemaker activity in SAMs remain elusive. Acutely isolated SAMs are an essential preparation for experiments to dissect the molecular basis of cardiac pacemaking. However, the indistinct anatomy, complex microdissection, and finicky enzymatic digestion conditions have prevented widespread use of acutely isolated SAMs...
October 23, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27799257/defibrillators-selecting-the-right-device-for-the-right-patient
#13
Sana M Al-Khatib, Paul Friedman, Kenneth A Ellenbogen
Advances in the field of defibrillation have brought to practice different types of devices that include the transvenous implantable cardioverter-defibrillator (ICD) with or without cardiac resynchronization therapy, the subcutaneous ICD (S-ICD), and the wearable cardioverter-defibrillator. To ensure optimal use of these devices and to achieve best patient outcomes, clinicians need to understand how these devices work, learn the characteristics of patients who qualify them for one type of device versus another, and recognize the remaining gaps in knowledge surrounding these devices...
November 1, 2016: Circulation
https://www.readbyqxmd.com/read/27788995/persistent-fever-after-pacemaker-lead-extraction
#14
Maria Carmo Pereira Nunes, Túlio Pinho Navarro, Mariana de Braga Lima Carvalho, Nicole de Paula Aarão Faleiro Maia, Ricardo Jayme Procópio, Teresa Cristina Abreu Ferrari
The implant indication of cardiac electronic devices continues to expand; therefore, we have observed increasing complications related to their removal. We describe the case of a patient who presented with prolonged bloodstream infection after having undergone removal of a pacemaker. After extensive workup for fever of unknown origin and antibiotic therapy without any improvement, it was possible to demonstrate a foreign body in the right subclavian vein and superior vena cava corresponding to the distal part of the right ventricular lead...
May 2016: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/27783882/temporal-trends-in-transcatheter-aortic-valve-implantation-2008-2014-patient-characteristics-procedural-issues-and-clinical-outcome
#15
Uri Landes, Alon Barsheshet, Ariel Finkelstein, Victor Guetta, Abid Assali, Amir Halkin, Hanna Vaknin-Assa, Amit Segev, Tamir Bental, Jeremy Ben-Shoshan, Israel M Barbash, Ran Kornowski
BACKGROUND: About a decade past the first transcatheter aortic valve implantation (TAVI), data are limited regarding temporal trends accompanying its evolution from novel technology to mainstream therapy. We evaluated these trends in a large multicenter TAVI registry. HYPOTHESIS: TAVI is changing and improving with time. METHODS: Patients who underwent TAVI between January 2008 and December 2014 at 3 high-volume Israeli centers were divided into 5 time quintiles according to procedure date...
October 26, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27761286/brucella-infection-associated-with-complete-atrioventricular-block
#16
Meki Bilici, Fikri Demir, Murat Muhtar Yılmazer, Fatma Bozkurt, Volkan Tuzcu
BACKGROUND: The clinical spectrum of Brucella infection is quite diverse and characterized by multi-system involvement. Patients present with myocarditis, endocarditis, or pericarditis. Infective endocarditis is the most common cardiovascular complication in patients with brucellosis. Although conduction abnormalities are seen in cases with endocarditis, they are reported very rarely in the setting of cardiac Brucella infection. CASE REPORT: An eight and a half-year-old male patient was referred to our clinic due to inadequate response to cotrimaxazole plus streptomycin treatment at the 15th day of admission...
September 2016: Balkan Medical Journal
https://www.readbyqxmd.com/read/27756424/isolated-congenital-complete-heart-block-in-a-five-year-old-seronegative-girl-born-to-a-woman-seropositive-for-human-immunodeficiency-virus-a-case-report
#17
Pedro Pallangyo, Isaac Mawenya, Paulina Nicholaus, Henry Mayala, Amida Kalombola, Godwin Sharau, Naiz Majani, Mohamed Janabi
BACKGROUND: Congenital complete heart block is a life-threatening condition which is highly associated with autoimmune and connective tissue disorders. Presence of maternal autoantibodies for associated conditions increases the risk of delivering a child with congenital complete heart block, however, less than a half of all women with such antibodies are symptomatic even after delivery. Mortality rate is highest during the neonatal period (45 %) and about two-thirds of all cases will require permanent pacing at some point in their lives...
October 19, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27734502/concomitant-use-of-the-subcutaneous-implantable-cardioverter-defibrillator-and-a-permanent-pacemaker
#18
Jason Huang, Kristen K Patton, Jordan M Prutkin
BACKGROUND: The subcutaneous implantable cardioverter defibrillator (S-ICD) is a novel implanted defibrillator for the prevention of sudden cardiac death that avoids intravascular access. Use of this device is limited by its inability to provide backup pacing. Combined use of the S-ICD with a permanent pacemaker may be the optimal choice in certain situations though experience with the use of both devices together remains limited. METHODS: We reviewed our single-center experience with the S-ICD from March 2011 to November 2015...
November 2016: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27729868/the-autonomic-nervous-system-regulates-the-heart-rate-through-camp-pka-dependent-and-independent-coupled-clock-pacemaker-cell-mechanisms
#19
Joachim Behar, Ambhighainath Ganesan, Jin Zhang, Yael Yaniv
Sinoatrial nodal cells (SANCs) generate spontaneous action potentials (APs) that control the cardiac rate. The brain modulates SANC automaticity, via the autonomic nervous system, by stimulating membrane receptors that activate (adrenergic) or inactivate (cholinergic) adenylyl cyclase (AC). However, these opposing afferents are not simply additive. We showed that activation of adrenergic signaling increases AC-cAMP/PKA signaling, which mediates the increase in the SANC AP firing rate (i.e., positive chronotropic modulation)...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27643790/first-case-report-of-infection-due-to-cupriavidus-gilardii-in-a-patient-without-immunodeficiency-a-case-report
#20
Takehito Kobayashi, Itaru Nakamura, Hiroaki Fujita, Ayaka Tsukimori, Akihiro Sato, Shinji Fukushima, Kiyofumi Ohkusu, Tetsuya Matsumoto
BACKGROUND: Cupriavidus gilardii is an aerobic, Gram-negative, glucose-nonfermenting rod that was first identified in 1999. Because of the difficulty in accurate species identification of C. gilardii, there are few case reports of infection caused by this organism. In previous reports, C. gilardii has been characterized as an organism with low pathogenicity that causes opportunistic infections. CASE PRESENTATION: We encountered a case of pacemaker-associated bloodstream infection caused by C...
2016: BMC Infectious Diseases
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