Full Text Journal Articles by
Author Steven J Szymkiewicz

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Mortality and Costs Associated with Wearable Cardioverter-defibrillators after Acute Myocardial Infarction: A Retrospective Cohort Analysis of Medicare Claims Data.

Mary Ann Clark, Steven J Szymkiewicz, Kent Volosin,

Ventricular arrhythmias are common in the early period after myocardial infarction (MI), with the highest risk occurring in the immediate postinfarct window. The wearable cardioverter-defibrillator (WCD) has been proven to have efficacy in treating sudden cardiac arrest in patients soon after MI. However, data concerning clinical and health economic outcomes ... Read more >>

J Innov Card Rhythm Manag (The Journal of innovations in cardiac rhythm management)
[2019, 10(10):3866-3873]

Cited: 0 times

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The impact of body mass index on the wearable cardioverter defibrillator shock efficacy and patient wear time.

Chingping Wan, Steven J Szymkiewicz, Helmut U Klein,

<h4>Background</h4>The impact of body mass index (BMI) on the shock efficacy and patient adherence among patients using a wearable cardioverter defibrillator (WCD) is unknown.<h4>Methods</h4>Patients prescribed the WCD between January 1, 2008 and June 1, 2013, who experienced at least one episode of sustained ventricular tachycardia (VT) or ventricular fibrillation (VF) ... Read more >>

Am Heart J (American heart journal)
[2017, 186:111-117]

Cited: 2 times

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Study of the wearable cardioverter defibrillator in advanced heart-failure patients (SWIFT).

Alon Barsheshet, Valentina Kutyifa, Theodora Vamvouris, Arthur J Moss, Yitschak Biton, Leway Chen, Eugene Storozynsky, Chingping Wan, Steven J Szymkiewicz, Ilan Goldenberg,

<h4>Introduction</h4>The wearable cardioverter defibrillator (WCD) may allow stabilization until reassessment for an implantable cardioverter defibrillator (ICD) among high-risk heart failure (HF) patients. However, there are limited data on the WCD benefit in the acute decompensated HF setting.<h4>Methods and results</h4>The Study of the Wearable Cardioverter Defibrillator in Advanced Heart Failure Patients ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2017, 28(7):778-784]

Cited: 5 times

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Benefit of the Wearable Cardioverter-Defibrillator in Protecting Patients After Implantable-Cardioverter Defibrillator Explant: Results From the National Registry.

Kenneth A Ellenbogen, Jayanthi N Koneru, Parikshit S Sharma, Sanjay Deshpande, Chingping Wan, Steven J Szymkiewicz,

OBJECTIVES:This study reports on the time course of reimplantation and benefits of the wearable cardioverter-defibrillator (WCD) in patients post implantable cardioverter-defibrillator (ICD) explantation. BACKGROUND:The WCD is used to treat patients at high risk for ventricular tachycardia (VT) and ventricular fibrillation (VF), including patients with ICD-related infections who undergo device removal ... Read more >>

JACC Clin Electrophysiol (JACC. Clinical electrophysiology)
[2017, 3(3):243-250]

Cited: 12 times

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National experience with long-term use of the wearable cardioverter defibrillator in patients with cardiomyopathy.

Madhab Lamichhane, Joseph C Gardiner, Nicole R Bianco, Steven J Szymkiewicz, Ranjan K Thakur,

<h4>Purpose</h4>The wearable cardioverter defibrillator (WCD) is generally used for short periods of sudden cardiac death (SCD) risk; circumstances may occasionally result in prolonged use (over 1 year). The aim of this study was to determine the benefits and risks of prolonged use in patients with systolic heart failure (HF).<h4>Methods</h4>ZOLL's post-market US ... Read more >>

J Interv Card Electrophysiol (Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing)
[2017, 48(1):11-19]

Cited: 7 times

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Experience With the Wearable Cardioverter-Defibrillator in Patients at High Risk for Sudden Cardiac Death.

Nadine K Wäßnig, Michael Günther, Silvio Quick, Christian Pfluecke, Fabian Rottstädt, Steven J Szymkiewicz, Steven Ringquist, Ruth H Strasser, Uwe Speiser,

<h4>Background</h4>This study evaluated the wearable cardioverter-defibrillator (WCD) for use and effectiveness in preventing sudden death caused by ventricular tachyarrhythmia or fibrillation.<h4>Methods</h4>From April 2010 through October 2013, 6043 German WCD patients (median age, 57 years; male, 78.5%) were recruited from 404 German centers. Deidentified German patient data were used for a ... Read more >>

Circulation (Circulation)
[2016, 134(9):635-643]

Cited: 45 times

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Wearable cardioverter-defibrillator as a bridge to cardiac transplantation: A national database analysis.

Madalina Opreanu, Chingping Wan, Vini Singh, Negar Salehi, Jaffri Ahmad, Steven J Szymkiewicz, Ranjan K Thakur,

<h4>Background</h4>Life-threatening ventricular arrhythmias (VAs) and sudden cardiac death (SCD) are common in patients awaiting heart transplantation (HT), and the implantable cardioverter-defibrillator (ICD) is often used for primary prevention in this setting. Use of ICDs in these patients is not without risks and is sometimes contraindicated. The wearable cardioverter-defibrillator (WCD) may ... Read more >>

J Heart Lung Transplant (The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation)
[2015, 34(10):1305-1309]

Cited: 16 times

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Wearable cardioverter-defibrillator use in patients perceived to be at high risk early post-myocardial infarction.

Andrew E Epstein, William T Abraham, Nicole R Bianco, Karl B Kern, Michael Mirro, Sunil V Rao, Edward K Rhee, Scott D Solomon, Steven J Szymkiewicz,

<h4>Objectives</h4>The aim of this study was to describe usage of the wearable cardioverter-defibrillator (WCD) during mandated waiting periods following myocardial infarction (MI) for patients perceived to be at high risk for sudden cardiac arrest (SCA).<h4>Background</h4>Current device guidelines and insurance coverage require waiting periods of either 40 days or 3 months ... Read more >>

J Am Coll Cardiol (Journal of the American College of Cardiology)
[2013, 62(21):2000-2007]

Cited: 83 times

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Sudden cardiac arrest in hemodialysis patients with wearable cardioverter defibrillator.

Chingping Wan, Charles A Herzog, Wojciech Zareba, Steven J Szymkiewicz,

<h4>Background</h4>The survival outcome following a sudden cardiac arrest (SCA) in hemodialysis (HD) patients is poor regardless of whether an event takes place in or out of a dialysis center. The characteristics of SCA and post-SCA survival with HD patients using a wearable cardioverter defibrillator (WCD) are unknown.<h4>Methods</h4>All HD patients who ... Read more >>

Ann Noninvasive Electrocardiol (Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc)
[2014, 19(3):247-257]

Cited: 25 times

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Successful use of wearable cardioverter defibrillator in a patient with dextrocardia and persistent left superior vena cava.

Chingping Wan, Jess W Oren, Steven J Szymkiewicz,

Congenital disorders, such as dextrocardia and persistent left superior vena cava, are rare. However, their presence is often associated with other cardiac anomalies, and may lead to lethal ventricular tachyarrhythmias, which result in sudden cardiac death. Treating patients with these disorders can present a challenge to clinicians, as it may ... Read more >>

Ann Noninvasive Electrocardiol (Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc)
[2013, 18(5):487-490]

Cited: 3 times

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Early risk of mortality after coronary artery revascularization in patients with left ventricular dysfunction and potential role of the wearable cardioverter defibrillator.

Edwin T Zishiri, Sarah Williams, Edmond M Cronin, Eugene H Blackstone, Stephen G Ellis, Eric E Roselli, Nicholas G Smedira, A Marc Gillinov, Jo Ann Glad, Patrick J Tchou, Steven J Szymkiewicz, Mina K Chung,

<h4>Background</h4>Implantation of implantable cardioverter defibrillator for prevention of sudden cardiac death is deferred for 90 days after coronary revascularization, but mortality may be highest early after cardiac procedures in patients with ventricular dysfunction. We determined mortality risk in postrevascularization patients with left ventricular ejection fraction ≤35% and compared survival with ... Read more >>

Circ Arrhythm Electrophysiol (Circulation. Arrhythmia and electrophysiology)
[2013, 6(1):117-128]

Cited: 56 times

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Wearable defibrillator use in heart failure (WIF): results of a prospective registry.

Andrew C Kao, Steven W Krause, Rajiv Handa, Darshak Karia, Guillermo Reyes, Nicole R Bianco, Steven J Szymkiewicz, ,

<h4>Background</h4>Heart failure (HF) patients have a high risk of death, and implantable cardioverter defibrillators (ICDs) are effective in preventing sudden cardiac death (SCD). However, a certain percentage of patients may not be immediate candidates for ICDs, particularly those having a short duration of risk or an uncertain amount of risk. ... Read more >>

BMC Cardiovasc Disord (BMC cardiovascular disorders)
[2012, 12:123]

Cited: 20 times

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Wearable defibrillator in congenital structural heart disease and inherited arrhythmias.

Mohan Rao, Ilan Goldenberg, Arthur J Moss, Helmut Klein, David T Huang, Nicole R Bianco, Steven J Szymkiewicz, Wojciech Zareba, Andrew Brenyo, Jonathan Buber, Alon Barsheshet,

Patients with congenital structural heart disease (CSHD) and inherited arrhythmias (IAs) are at high risk of ventricular tachyarrhythmias and sudden cardiac death. The present study was designed to evaluate the short- and long-term outcomes of patients with CSHD and IA who received a wearable cardioverter-defibrillator (WCD) for the prevention of ... Read more >>

Am J Cardiol (The American journal of cardiology)
[2011, 108(11):1632-1638]

Cited: 20 times

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Aggregate national experience with the wearable cardioverter-defibrillator: event rates, compliance, and survival.

Mina K Chung, Steven J Szymkiewicz, Mingyuan Shao, Edwin Zishiri, Mark J Niebauer, Bruce D Lindsay, Patrick J Tchou,

<h4>Objectives</h4>The purpose of this study was to determine patient compliance and effectiveness of antiarrhythmic treatment by the wearable cardioverter-defibrillator (WCD).<h4>Background</h4>Effectiveness of the WCD for prevention of sudden death is dependent on event type, patient compliance, and appropriate management of ventricular tachycardia/ventricular fibrillation (VT/VF).<h4>Methods</h4>Compliance and events were recorded in a nationwide ... Read more >>

J Am Coll Cardiol (Journal of the American College of Cardiology)
[2010, 56(3):194-203]

Cited: 137 times

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Evaluation of the effectiveness of a wearable cardioverter defibrillator detection algorithm.

Katie A Dillon, Steven J Szymkiewicz, Thomas E Kaib,

<h4>Background</h4>Wearable cardioverter defibrillators (WCDs) provide protection from sudden cardiac death. The efficacy of a WCD detection algorithm has not been reported outside of clinical trial.<h4>Methods</h4>The efficacy of the algorithm was reviewed through a retrospective analysis of appropriate shocks, inappropriate shocks, and arrhythmia detections during a 1-year period.<h4>Results</h4>WCD patients had an ... Read more >>

J Electrocardiol (Journal of electrocardiology)
[2010, 43(1):63-67]

Cited: 20 times

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Use of a wearable defibrillator in terminating tachyarrhythmias in patients at high risk for sudden death: results of the WEARIT/BIROAD.

Arthur M Feldman, Helmut Klein, Patrick Tchou, Srinivas Murali, W Jackson Hall, Donna Mancini, John Boehmer, Mark Harvey, M Stephen Heilman, Steven J Szymkiewicz, Arthur J Moss, , ,

The automatic ICD improves survival in patients with a history of sudden cardiac arrest. However, some patients do not meet the guidelines for ICD implantation or are unable to receive an implantable device. This study tested the hypothesis that these patients could benefit from a wearable cardioverter defibrillator. Patients with ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2004, 27(1):4-9]

Cited: 109 times

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Clinical efficacy of a wearable defibrillator in acutely terminating episodes of ventricular fibrillation using biphasic shocks.

Sven Reek, J Christoph Geller, Ulf Meltendorf, Anke Wollbrueck, Steven J Szymkiewicz, Helmut U Klein,

The Wearable Cardioverter Defibrillator (WCD) automatically detects and treats ventricular tachyarrhythmias without the need for assistance from a bystander, while at the same time allowing the patient to ambulate freely. It represents an alternative to emergency medical services for outpatient populations with a temporary risk of sudden cardiac death. While ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2003, 26(10):2016-2022]

Cited: 41 times

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