Search Results - "Porter, Bradley"

Pacing in proximity to scar during cardiac resynchronization therapy increases local dispersion of repolarization and susceptibility to ventricular arrhythmogenesis by Mendonca Costa, Caroline, Neic, Aurel, Kerfoot, Eric, Porter, Bradley, Sieniewicz, Benjamin, Gould, Justin, Sidhu, Baldeep, Chen, Zhong, Plank, Gernot, Rinaldi, Christopher A., Bishop, Martin J., Niederer, Steven A.

“…Cardiac resynchronization therapy (CRT) increases the risk of ventricular tachycardia (VT) in patients with ischemic cardiomyopathy (ICM) when the left…”
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Predictors of mortality and outcomes in transvenous lead extraction for systemic and local infection cohorts by Gould, Justin, Klis, Magdalena, Porter, Bradley, Sidhu, Baldeep S., Sieniewicz, Benjamin J., Williams, Steven E., Teall, Thomas, Webb, Jessica, Shetty, Anoop, Gill, Jaswinder, Rinaldi, Christopher A.

“…Background Transvenous lead extraction (TLE) may be necessary due to infective and noninfective indications. We aim to identify predictors of 30‐day mortality…”
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Mechanisms Underlying Interactions Between Low-Frequency Oscillations and Beat-to-Beat Variability of Celullar Ventricular Repolarization in Response to Sympathetic Stimulation: Implications for Arrhythmogenesis by Sampedro-Puente, David Adolfo, Fernandez-Bes, Jesus, Porter, Bradley, van Duijvenboden, Stefan, Taggart, Peter, Pueyo, Esther

“…Enhanced beat-to-beat variability of ventricular repolarization (BVR) has been linked to arrhythmias and sudden cardiac death. Recent experimental studies on…”
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The role of transvenous lead extraction in the management of redundant or malfunctioning pacemaker and defibrillator leads post ELECTRa by Sidhu, Baldeep S, Gould, Justin, Sieniewicz, Benjamin, Porter, Bradley, Rinaldi, Christopher A

“…Cardiac implantable electronic devices implantation rates have increased over the past decade due to broader indications and an ageing population. Similarly,…”
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Fibrosis Microstructure Modulates Reentry in Non-ischemic Dilated Cardiomyopathy: Insights From Imaged Guided 2D Computational Modeling by Balaban, Gabriel, Halliday, Brian P, Mendonca Costa, Caroline, Bai, Wenjia, Porter, Bradley, Rinaldi, Christopher A, Plank, Gernot, Rueckert, Daniel, Prasad, Sanjay K, Bishop, Martin J

“…Patients who present with non-ischemic dilated cardiomyopathy (NIDCM) and enhancement on late gadolinium magnetic resonance imaging (LGE-CMR), are at high risk…”
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Scar shape analysis and simulated electrical instabilities in a non-ischemic dilated cardiomyopathy patient cohort by Balaban, Gabriel, Halliday, Brian P, Bai, Wenjia, Porter, Bradley, Malvuccio, Carlotta, Lamata, Pablo, Rinaldi, Christopher A, Plank, Gernot, Rueckert, Daniel, Prasad, Sanjay K, Bishop, Martin J

“…This paper presents a morphological analysis of fibrotic scarring in non-ischemic dilated cardiomyopathy, and its relationship to electrical instabilities…”
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Usefulness of Cardiac Magnetic Resonance Imaging to Measure Left Ventricular Wall Thickness for Determining Risk Scores for Sudden Cardiac Death in Patients With Hypertrophic Cardiomyopathy by Webb, Jessica, MA, Villa, Adriana, MD, Bekri, Imane, Shome, Joy, MD, Teall, Thomas, MBBS, Claridge, Simon, MBBS, Jackson, Tom, MBBS, Porter, Bradley, MBBS, Ismail, Tevfik F., PhD, Di Giovine, Gabriella, MD, Rinaldi, Christopher A., PhD, Carr-White, Gerald, PhD, Al-Fakih, Khaled, MD, Razavi, Reza, MD, Chiribiri, Amedeo, PhD

“…Echocardiography-derived measurements of maximum left ventricular (LV) wall thickness are important for both the diagnosis and risk stratification of…”
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Time-Averaged Wavefront Analysis Demonstrates Preferential Pathways of Atrial Fibrillation, Predicting Pulmonary Vein Isolation Acute Response by Roney, Caroline H, Child, Nicholas, Porter, Bradley, Sim, Iain, Whitaker, John, Clayton, Richard H, Laughner, Jacob I, Shuros, Allan, Neuzil, Petr, Williams, Steven E, Razavi, Reza S, O'Neill, Mark, Rinaldi, Christopher A, Taggart, Peter, Wright, Matt, Gill, Jaswinder S, Niederer, Steven A

“…Electrical activation during atrial fibrillation (AF) appears chaotic and disorganised, which impedes characterisation of the underlying substrate and…”
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Therapeutic options for neurocardiogenic syncope: a meta-analysis of randomised trials with and without blinding by Kaza, Nandita, Sorbini, Michela, Liu, Zhuang, Johal, Monika, Porter, Bradley, Nowbar, Alexandra, Levy, Shuli, Dani, Melanie, Taraborelli, Patricia, Eardley, Philip, Zuhair, Mohamed, Arnold, Ahran, Howard, James, Whinnett, Zachary I, Francis, Darrel P, Shun-Shin, Matthew J, Lim, Phang Boon, Keene, Daniel

“…BackgroundNeurocardiogenic syncope is a common condition with significant associated psychological and physical morbidity. The effectiveness of therapeutic…”
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Optimization of CRT programming using non‐invasive electrocardiographic imaging to assess the acute electrical effects of multipoint pacing by Sieniewicz, Benjamin J., Jackson, Tom, Claridge, Simon, Pereira, Helder, Gould, Justin, Sidhu, Baldeep, Porter, Bradley, Niederer, Steve, Yao, Cheng, Rinaldi, Christopher A.

“…Aim Quadripolar lead technology and multi‐point pacing (MPP) are important clinical adjuncts in cardiac resynchronization therapy (CRT) pacing aimed at…”
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Beat-to-Beat Variability of Ventricular Action Potential Duration Oscillates at Low Frequency During Sympathetic Provocation in Humans by Porter, Bradley, van Duijvenboden, Stefan, Bishop, Martin J, Orini, Michele, Claridge, Simon, Gould, Justin, Sieniewicz, Benjamin J, Sidhu, Baldeep, Razavi, Reza, Rinaldi, Christopher A, Gill, Jaswinder S, Taggart, Peter

“…The temporal pattern of ventricular repolarization is of critical importance in arrhythmogenesis. Enhanced beat-to-beat variability (BBV) of ventricular action…”
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Complex Interaction Between Low-Frequency APD Oscillations and Beat-to-Beat APD Variability in Humans Is Governed by the Sympathetic Nervous System by Duijvenboden, Stefan Van, Porter, Bradley, Pueyo, Esther, Sampedro-Puente, David Adolfo, Fernandez-Bes, Jesus, Sidhu, Baldeep, Gould, Justin, Orini, Michele, Bishop, Martin J, Hanson, Ben, Lambiase, Pier, Razavi, Reza, Rinaldi, Christopher A, Gill, Jaswinder S, Taggart, Peter

“…Recent clinical, experimental and modeling studies link oscillations of ventricular repolarization in the low frequency (LF) (approx. 0.1 Hz) to…”
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To the Editor — Multisite pacing strategies: Solutions looking for a problem? by Niederer, Steven, Porter, Bradley, Rinaldi, C. Aldo

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Autonomic Modulation in Patients with Heart Failure Increases Beat-to-Beat Variability of Ventricular Action Potential Duration by Porter, Bradley, Bishop, Martin J, Claridge, Simon, Behar, Jonathan, Sieniewicz, Benjamin J, Webb, Jessica, Gould, Justin, O'Neill, Mark, Rinaldi, Christopher A, Razavi, Reza, Gill, Jaswinder S, Taggart, Peter

“…Exaggerated beat-to-beat variability of ventricular action potential duration (APD) is linked to arrhythmogenesis. Sympathetic stimulation has been shown to…”
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Economic evaluation of a dedicated cardiac resynchronisation therapy preassessment clinic by Sidhu, Baldeep Singh, Rua, Tiago, Gould, Justin, Porter, Bradley, Sieniewicz, Benjamin, Niederer, Steven, Rinaldi, Christopher Aldo, Carr-White, Gerald

“…IntroductionPatient evaluation before cardiac resynchronisation therapy (CRT) remains heterogeneous across centres and it is suspected a proportion of patients…”
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Comparison of Echocardiographic and Electrocardiographic Mapping for Cardiac Resynchronisation Therapy Optimisation by Gill, Jaswinder, Niederer, Steven, Rinaldi, Christopher A., Sidhu, Baldeep, Porter, Bradley, Gould, Justin, Sieniewicz, Benjamin, Yao, Cheng, Behar, Jonathan M., Claridge, Simon, Pereira, Helder, Jackson, Tom A.

“…Study hypothesis. We sought to investigate the association between echocardiographic optimisation and ventricular activation time in cardiac resynchronisation…”
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Catheter Ablation for Ventricular Tachycardia After MI: A Reconstructed Individual Patient Data Meta-analysis of Randomised Controlled Trials by Reddy, Rohin K, Howard, James P, Ahmad, Yousif, Shun-Shin, Matthew J, Simader, Florentina A, Miyazawa, Alejandra A, Saleh, Keenan, Naraen, Akriti, Samways, Jack W, Katritsis, George, Mohal, Jagdeep S, Kaza, Nandita, Porter, Bradley, Keene, Daniel, Linton, Nicholas Wf, Francis, Darrel P, Whinnett, Zachary I, Luther, Vishal, Kanagaratnam, Prapa, Arnold, Ahran D

“…The prognostic impact of ventricular tachycardia (VT) catheter ablation is an important outstanding research question. We undertook a reconstructed individual…”
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Hospital admissions for stroke and bleeding in Hounslow following a quality improvement initiative by Wong, Kam Ying, Davies, Bethan, Adeleke, Yewande, Woodcock, Thomas, Matthew, Dionne, Sekelj, Sara, Orlowski, Andi, Porter, Bradley, Hashmy, Sophia, Mathew, Ammu, Grant, Ron, Kaba, Agnes, Unger-Graeber, Brigitte, Petrungaro, Bruno, Wallace, Jordan, Bell, Derek, Cowie, Martin R, Khan, Sadia

“…ObjectiveAtrial fibrillation (AF) is the most common arrhythmia. Undiagnosed and poorly managed AF increases risk of stroke. The Hounslow AF quality…”
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Successful percutaneous femoral extraction of a detached tricuspid valve‐in‐valve balloon delivery system by Sidhu, Baldeep S., Gould, Justin, Sieniewicz, Benjamin, Porter, Bradley, Prendergast, Bernard, Redwood, Simon, Rinaldi, Christopher A.

“…We shall discuss a patient who underwent a tricuspid valve‐in‐valve implantation for a failing bioprosthetic valve replacement. The procedure was complicated…”
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The physiological effects of cardiac resynchronization therapy on aortic and pulmonary flow and dynamic and static components of systemic impedance by Sidhu, Baldeep S., Claridge, Simon, Gu, Haotian, Li, Ye, Gould, Justin, Porter, Bradley, Elliott, Mark K., Mehta, Vishal, Jackson, Tom, Patterson, Tiffany, Briceno, Natalia, Lee, Jack, Redwood, Simon, Adhya, Shaumik, Niederer, Steven A., Chowienczyk, Phil, Rinaldi, Christopher A.

“…Patients who improve following cardiac resynchronization therapy (CRT) have left ventricular (LV) remodeling and improved cardiac output (CO). Effects on the…”
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