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https://www.readbyqxmd.com/read/28543085/combination-of-a-subcutaneous-icd-in-a-patient-with-a-baroreceptor-activation-device-feasibility-safety-and-precautions-a-case-report
#1
Liz Kuffer, Daniel Steven, Marcel Halbach, Jakob Lüker, Jan-Hendrik van den Bruck, Arian Sultan
We present a case of a patient with a baroreceptor activation therapy (BAT) receiving a subcutaneous ICD. We anticipated two possible hazardous interactions between the two devices. Stimulation by the BAT could be adjudicated as noise and result in under-detection of ventricular arrhythmias or it might be misinterpreted as ventricular arrhythmias and lead to inappropriate shocks. Postop ensing occurred, the upper limit of pulse width of the BAT was limited because of noise detection by the S-ICD, but the upper limit of amplitude was limited by patient's discomfort...
May 23, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28523371/impact-of-electrocardiogram-screening-during-drug-challenge-test-for-the-prediction-of-t-wave-oversensing-by-a-subcutaneous-implantable-cardioverter-defibrillator-in-patients-with-brugada-syndrome
#2
Tsukasa Kamakura, Mitsuru Wada, Kohei Ishibashi, Yuko Y Inoue, Koji Miyamoto, Hideo Okamura, Satoshi Nagase, Takashi Noda, Takeshi Aiba, Satoshi Yasuda, Kengo Kusano
Screening tests conducted at rest may be inadequate for the prediction of the T-wave oversensing (TWOS) in subcutaneous implantable cardioverter defibrillator (S-ICD) candidates with Brugada syndrome (BrS) because of the dynamic nature of electrocardiogram (ECG) morphology. We evaluated the utility of ECG screening during drug challenge (DC) for prediction of TWOS in BrS patients implanted with an S-ICD. The study enrolled 6 consecutive BrS patients implanted with an S-ICD. In addition to baseline ECG screening, pre-implant screening during DC using a sodium channel blocker was performed in all patients...
May 18, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28516368/appropriate-or-inappropriate-icd-shock-what-is-the-post-shock-rhythm
#3
B M van Gelder, B Ter Burg, F A L E Bracke
No abstract text is available yet for this article.
May 17, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28516367/appropriate-or-inappropriate-icd-shock-what-is-the-post-shock-rhythm
#4
B M van Gelder, B Ter Burg, F A L E Bracke
No abstract text is available yet for this article.
May 17, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28491741/inappropriate-shocks-in-a-patient-with-a-subcutaneous-implantable-cardioverter-defibrillator
#5
Sana M Al-Khatib, Sasmrita Belbase, Diane Sauro, Gail Brock, Kathleen Brink, Kevin P Jackson
No abstract text is available yet for this article.
November 2016: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/28490380/living-with-hypertrophic-cardiomyopathy-and-an-implantable-defibrillator
#6
Peter Magnusson, Jessica Jonsson, Stellan Mörner, Lennart Fredriksson
BACKGROUND: ICDs efficiently terminate life-threatening arrhythmias, but complications occur during long-term follow-up. Patients' own perspective is largely unknown. The aim of the study was to describe experiences of hypertrophic cardiomyopathy (HCM) patients with implantable defibrillators (ICDs). METHODS: We analyzed 26 Swedish patient interviews using hermeneutics and latent content analysis. RESULTS: Patients (aged 27-76 years) were limited by HCM especially if it deteriorates into heart failure...
May 10, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28476467/painful-trigeminal-neuropathy-attributed-to-a-space-occupying-lesion-presenting-as-a-toothache-a-report-of-4-cases
#7
Noboru Noma, Makoto Hayashi, Isao Kitahara, Andrew Young, Maasa Yamamoto, Kosuke Watanabe, Yoshiki Imamura
Painful trigeminal neuropathy attributed to a space-occupying lesion (code 13.1.2.5 in the International Classification of Headache Disorders, 3rd edition [beta version]) is an orofacial pain condition that has characteristics of classical trigeminal neuralgia but is caused by a space-occupying lesion. We present 4 cases of intracranial lesions mimicking odontogenic pain as follows: case 1, a 61-year-old woman presented with a chief complaint of aching soreness in the right mandibular molar area for 1 year; case 2, a 59-year-old man presented with severe pain in the left maxillary and mandibular molars; case 3, a 72-year-old man presented with a chief complaint of facial shock-like pain on the left side; and case 4, a 75-year-old man presented with a chief complaint of paroxysmal pain and numbness in the buccal gingiva of the right mandibular molar region...
May 2, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28472612/acidemia-and-blood-free-fatty-acids-analysis-of-cardiovascular-risk-factors-in-a-new-context
#8
António Heitor Reis
Following a hypothesis developed in an earlier paper, here it is discussed how deviations of blood pH from the normal range (namely states of acidemia) together with high blood levels of free fatty acids (FFA) may offer a rationale for many important risk factors for cardiovascular diseases (CVD) by shaping a context for formation of fatty acid micelles and vesicles with an acidic core, which fuse with the endothelia, disrupt vital cell processes, and thereby may initiate atherosclerotic plaque formation. Acidemia may arise primarily from dysregulation of the systemic buffers that control blood pH, chronic diseases of kidneys and lungs, inappropriate diet, or may be induced by some common drugs...
March 2017: Discovery Medicine
https://www.readbyqxmd.com/read/28457108/syncope-in-primary-prevention-implantable-cardioverter-defibrillator-implantation
#9
Gustavo Goldenberg, Tamir Bental, Udi Kadmon, Ronit Zabarsky, Jairo Kusnick, Alon Barsheshet, Gregory Golovchiner, Boris Strasberg
BACKGROUND: Syncope prognosis varies widely: 1 year mortality may range from 0% in the case of vasovagal events up to 30% in the presence of heart disease. OBJECTIVES: To assess the outcomes and prognosis of patients with implantable cardiac defibrillator (ICD) and indication of primary prevention and compare patients presenting with or without prior syncope. METHODS: We reviewed the charts of 75 patients who underwent ICD implantation with the indication of primary prevention and history of syncope and compared them to a control group of 80 patients without prior syncope...
January 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28456350/what-are-the-benefits-and-harms-of-ureteroscopy-compared-with-shock-wave-lithotripsy-in-the-treatment-of-upper-ureteral-stones-a-systematic-review
#10
REVIEW
Tamsin Drake, Nikolaos Grivas, Saeed Dabestani, Thomas Knoll, Thomas Lam, Steven Maclennan, Ales Petrik, Andreas Skolarikos, Michael Straub, Christian Tuerk, Cathy Yuhong Yuan, Kemal Sarica
CONTEXT: Extracorporeal shock wave lithotripsy (SWL) and ureteroscopy (URS), with or without intracorporeal lithotripsy, are the most common treatments for upper ureteric stones. With advances in technology, it is unclear which treatment is most effective and/or safest. OBJECTIVE: To systematically review literature reporting benefits and harms of SWL and URS in the management of upper ureteric stones. EVIDENCE ACQUISITION: Databases including Medline, Embase, and the Cochrane library were searched from January 2000 to November 2014...
April 26, 2017: European Urology
https://www.readbyqxmd.com/read/28432805/pitfalls-in-electrogram-interpretation-subcutaneous-cardioverter-defibrillator-malfunction-in-brugada-syndrome
#11
Giovanni Morani, Bruna Bolzan, Luca Tomasi, Ruggero Tomei, Corrado Vassanelli
A patient with Brugada Syndrome implanted with subcutaneous cardioverter defibrillator (S-ICD) had oversensing episodes treated with S-ICD shocks. Comparable artefacts weren't evocable with S-ICD pocket manipulation. The fluoroscopy excluded S-ICD macroscopic damage. The device extraction revealed undamaged pulse generator and connector, but the lead was inappropriately tunnelled under the sixth rib. Then the S-ICD malfunction was due to lead microscopic damage caused by lead rubbing the rib surface. This article is protected by copyright...
April 22, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28429529/impaired-left-atrial-function-predicts-inappropriate-shocks-in-primary-prevention-implantable-cardioverter-defibrillator-candidates
#12
Susumu Tao, Hiroshi Ashikaga, Luisa A Ciuffo, Kihei Yoneyama, Joao A C Lima, Terry F Frank, Robert G Weiss, Gordon F Tomaselli, Katherine C Wu
INTRODUCTION: Inappropriate implantable cardioverter-defibrillator (ICD) shocks, commonly caused by atrial fibrillation (AF), are associated with an increased mortality. Because impaired left atrial (LA) function predicts development of AF, we hypothesized that impaired LA function predicts inappropriate shocks beyond a history of AF. METHODS AND RESULTS: We prospectively analyzed the association between LA function and incident inappropriate shocks in primary prevention ICD candidates...
April 21, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28428489/superior-rhythm-discrimination-with-the-smartshock-technology-algorithm%C3%A3-results-of-the-implantable-defibrillator-with-enhanced-features-and-settings-for-reduction-of-inaccurate-detection-defense-trial
#13
Yasushi Oginosawa, Ritsuko Kohno, Toshihiro Honda, Kan Kikuchi, Masatsugu Nozoe, Takayuki Uchida, Hitoshi Minamiguchi, Koichiro Sonoda, Masahiro Ogawa, Takeshi Ideguchi, Yoshihisa Kizaki, Toshihiro Nakamura, Kageyuki Oba, Satoshi Higa, Keiki Yoshida, Soichi Tsunoda, Yoshihisa Fujino, Haruhiko Abe
BACKGROUND: Shocks delivered by implanted anti-tachyarrhythmia devices, even when appropriate, lower the quality of life and survival. The new SmartShock Technology(®)(SST) discrimination algorithm was developed to prevent the delivery of inappropriate shock. This prospective, multicenter, observational study compared the rate of inaccurate detection of ventricular tachyarrhythmia using the SST vs. a conventional discrimination algorithm.Methods and Results:Recipients of implantable cardioverter defibrillators (ICD) or cardiac resynchronization therapy defibrillators (CRT-D) equipped with the SST algorithm were enrolled and followed up every 6 months...
April 20, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28416987/importance-of-exercise-testing-shortly-after-subcutaneous-implantable-cardioverter-defibrillator-implantation-in-patients-with-brugada-syndrome-the-first-case-of-associated-inappropriate-shock-in-japan
#14
Kohei Ishibashi, Takashi Noda, Tsukasa Kamakura, Mitsuru Wada, Yuko Inoue, Hideo Okamura, Kengo Kusano
We report the case of a 51-year-old patient with Brugada syndrome (BrS) who experienced inappropriate shock due to T-wave oversensing (TWOS) during exercise when the optimal sensing vector was selected based on the automatic analysis by a subcutaneous implantable cardioverter-defibrillator (S-ICD). After selecting another vector during exercise testing, TWOS did not re-occur. Selection of appropriate sensing vector based on analyses under various conditions, including during exercise after S-ICD implantation, should be considered for patients with BrS...
April 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28415177/influence-of-atomic-kinetics-in-the-simulation-of-plasma-microscopic-properties-and-thermal-instabilities-for-radiative-bow-shock-experiments
#15
G Espinosa, R Rodríguez, J M Gil, F Suzuki-Vidal, S V Lebedev, A Ciardi, J G Rubiano, P Martel
Numerical simulations of laboratory astrophysics experiments on plasma flows require plasma microscopic properties that are obtained by means of an atomic kinetic model. This fact implies a careful choice of the most suitable model for the experiment under analysis. Otherwise, the calculations could lead to inaccurate results and inappropriate conclusions. First, a study of the validity of the local thermodynamic equilibrium in the calculation of the average ionization, mean radiative properties, and cooling times of argon plasmas in a range of plasma conditions of interest in laboratory astrophysics experiments on radiative shocks is performed in this work...
March 2017: Physical Review. E
https://www.readbyqxmd.com/read/28411139/the-quidam-study-hydroquinidine-therapy-in-the-management-of-brugada-syndrome-patients-at-high-arrhythmic-risk
#16
Antoine Andorin, Jean-Baptiste Gourraud, Jacques Mansourati, Swanny Fouchard, Hervé le Marec, Philippe Maury, Philippe Mabo, Jean-Sylvain Hermida, Jean-Claude Deharo, Beatrice Delasalle, Simon Esnault, Nicolas Sadoul, Jean-Marc Davy, Antoine Leenhardt, Didier Klug, Pascal Defaye, Dominique Babuty, Frédéric Sacher, Vincent Probst
BACKGROUND: Although the implantable cardiac defibrillator (ICD) remains the main therapy in Brugada syndrome (BrS), it does not reduce life-threatening ventricular arrhythmia. Based on pathophysiological mechanisms, hydroquinidine (HQ) has been suggested for the effective prevention of arrhythmia. OBJECTIVE: To provide evidence-based data supporting HQ use to prevent life threatening ventricular arrhythmia in high-risk patients with BrS. METHODS: We performed a prospective multicentre randomised (HQ vs...
April 11, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28401861/does-difference-in-icd-indication-result-in-a-difference-in-inappropriate-shock-risk
#17
EDITORIAL
J William Schleifer, Samuel J Asirvatham
No abstract text is available yet for this article.
January 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/28401854/inappropriate-implantable-cardioverter-defibrillator-shocks-in-brugada-syndrome-pattern-in-primary-and-secondary-prevention
#18
Aimé Bonny, Mohammed A Talle, Thibaut Vaugrenard, Jérôme Taieb, Marcus Ngantcha
BACKGROUND: Inappropriate implantable cardioverter-defibrillator (ICD) shocks is a common complication in Brugada syndrome. However, the incidence in recipients of ICD for primary and secondary prevention is unknown. METHOD AND RESULTS: We compared the rate of inappropriate shocks in patients with Brugada syndrome that had an ICD for primary and secondary prevention. We studied 51 patients, 86.5% of whom were males. Their mean age at diagnosis was 47 ± 11 years...
January 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/28398367/-implantable-cardioverter-defibrillator-deactivation-at-the-end-of-life-ethical-clinical-and-communication-issues
#19
Massimo Romanò, Maria Antonella Piga, Roberta Bertona, Roberto Negro, Chiara Ruggeri, Federica Zorzoli, Rosvaldo Villani
The number of cardioverter-defibrillator implants is increasing worldwide, with the main indication being primary prevention of sudden cardiac death. During the follow-up, patients may die from progression of their underlying heart disease or from nonarrhythmic causes, such as malignancies, dementia and lung disease, without receiving appropriate shocks until the last few days or weeks of their life. These events occur roughly in 30% of patients, mainly in the last 24 hours before death. In this case, inappropriate and even appropriate shock deliveries can no longer prolong life and may simply lead to pain and reduced quality of life...
February 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28396781/life-threatening-and-life-saving-inappropriate-implantable-cardioverter-defibrillator-shocks
#20
Jordi Pérez-Rodon, David Doiny, Berta Miranda, Nuria Rivas-Gandara, Ivo Roca-Luque, Jaume Francisco-Pascual, Rosa Maria Lidón, David García-Dorado, Angel Moya Mitjans
An implantable cardioverter defibrillator (ICD) lead dislodgement into the right atrium is a dangerous situation, particularly in patients in atrial fibrillation because atrial fibrillation can be sensed as ventricular fibrillation and true ventricular fibrillation induced with an inappropriate shock. In the presence of shocks, ICD interrogation should be performed as soon as possible.
April 2017: Clinical Case Reports
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