Search Results - "Sapp, JL"

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    Endocardial and epicardial radiofrequency ablation of Ventricular tachycardia associated with dilated cardiomyopathy: The importance of low-voltage scars by SOEJIMA, Kyoko, STEVENSON, William G, SAPP, John L, SELWYN, Andrew P, COUPER, Gregory, EPSTEIN, Laurence M

    “…The purpose of this study was to evaluate the occurrence, locations, and relationship of ventricular tachycardia (VT) to low-voltage areas in dilated…”
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    Journal Article
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    Electrically unexcitable scar mapping based on pacing threshold for identification of the reentry circuit isthmus: Feasibility for guiding ventricular tachycardia ablation by SOEJIMA, Kyoko, STEVENSON, William G, MAISEL, William H, SAPP, John L, EPSTEIN, Laurence M

    Published in Circulation (New York, N.Y.) (24-09-2002)
    “…We hypothesized that delineating electrically unexcitable scar (EUS) within low-voltage infarct regions will locate reentry circuit isthmuses by defining their…”
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    Subxiphoid surgical approach for epicardial catheter-based mapping and ablation in patients with prior cardiac surgery or difficult pericardial access by Soejima, Kyoko, Couper, Gregory, Cooper, Joshua M, Sapp, John L, Epstein, Laurence M, Stevenson, William G

    Published in Circulation (New York, N.Y.) (07-09-2004)
    “…Percutaneous epicardial mapping and ablation are successful in some patients with ventricular epicardial reentry circuits but may be impossible when…”
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    Identification and Ablation of Three Types of Ventricular Tachycardia Involving the His-Purkinje System in Patients with Heart Disease by LOPERA, GUSTAVO, STEVENSON, WILLIAM G., SOEJIMA, KYOKO, MAISEL, WILLIAM H., KOPLAN, BRUCE, SAPP, JOHN L., SATTI, S. DINAKAR, EPSTEIN, LAURENCE M.

    “…Introduction: Ventricular tachycardia (VT) with involvement of the His‐Purkinje system (HPS) can be difficult to recognize in patients with heart disease, but…”
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    Ablation with an internally irrigated radiofrequency catheter: learning how to avoid steam pops by Cooper, Joshua M, Sapp, John L, Tedrow, Usha, Pellegrini, Christine P, Robinson, David, Epstein, Laurence M, Stevenson, William G

    Published in Heart rhythm (01-09-2004)
    “…The aim of this study was to assess the feasibility of using electrode temperature, impedance, and power to predict and thereby potentially prevent steam pops…”
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    Journal Article
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    Deep Myocardial Ablation Lesions Can Be Created with a Retractable Needle-Tipped Catheter by SAPP, JOHN LEWIS, COOPER, JOSHUA MORREY, SOEJIMA, KYOKO, SORRELL, TIMOTHY, LOPERA, GUSTAVO, SATTI, SRINIVASA DINAKAR, KOPLAN, BRUCE ANDREW, EPSTEIN, LAURENCE MARK, EDELMAN, ELAZER, ROGERS, CAMPBELL, STEVENSON, WILLIAM GREGORY

    Published in Pacing and clinical electrophysiology (01-05-2004)
    “…RF catheter ablation of ventricular tachycardia is sometimes limited by inadequate lesion depth. This study investigated the use of a retractable needle‐tipped…”
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    Ablation lesion size correlates with pacing threshold: a physiological basis for use of pacing to assess ablation lesions by Sapp, John L, Soejima, Kyoko, Cooper, Joshua M, Epstein, Laurence M, Stevenson, William G

    Published in Pacing and clinical electrophysiology (01-07-2004)
    “…The virtual electrode model predicts that pacing stimulus strength should reflect proximity of the pacing electrode to excitable myocardium, allowing pacing…”
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    Density of ryanodine receptors is increased in sarcoplasmic reticulum from prehypertrophic cardiomyopathic hamster heart by Sapp, J L, Howlett, S E

    “…Calcium overload has been linked to the development of cardiomyopathy in the cardiomyopathic (CM) hamster, but the site or sites of the lesion remain obscure…”
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    Contractile properties of myocardium are altered in dystrophin-deficient mdx mice by SAPP, J. L, BOBET, J, HOWLETT, S. E

    Published in Journal of the neurological sciences (01-10-1996)
    “…The objective of this study was to determine whether cardiac contractile force is altered in the dystrophin-deficient mdx mouse model of muscular dystrophy…”
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