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Listar por palabra clave "Ventricular fibrillation"

Mostrando ítems 1-9 de 9

Application of Entropy-Based Features to Predict Defibrillation Outcome in Cardiac Arrest

Chicote, Beatriz; Irusta, Unai; Alcaraz, Raul; Rieta, J J; Aramendi, Elisabete; Isasi, Iraia; Alonso, Daniel; Ibarguren, Karlos (MDPI, 2016-09)

Prediction of defibrillation success is of vital importance to guide therapy and improve the survival of patients suffering out-of-hospital cardiac arrest (OHCA). Currently, the most efficient methods to predict shock ...
Clinical impact of defibrillation testing at the time of implantable cardioverter-defibrillator insertion

Hadid, Claudio; Atienza, Felipe; Strasberg, Boris; Arenal, Ángel; Codner, Pablo; González-Torrecilla, Esteban; Datino, Tomás; Percal, Tamara; Almendral, Jesús; Ortiz, Mercedes; Martins, Raphael; Martínez Alzamora, María Nieves; Fernández-Avilés, Francisco (Via Medica, 2015-05)

Background: Ventricular fibrillation is routinely induced during implantable cardioverter- -defibrillator insertion to assess defibrillator performance, but this strategy is experiencing a progressive decline. We aimed ...
Effects of S-Nitrosoglutathione on Electrophysiological Manifestations of Mechanoelectric Feedback

Such-Miquel, Luis; Canto Serrano, Irene Del; Zarzoso Muñoz, Manuel; Brines-Ferrando, L.; Soler, C.; Parra-Giraldo, G.; Guill Ibáñez, Antonio; Alberola, Antonio; Such Belenguer, Luis; Chorro, F.J. (Springer-Verlag, 2018)

[EN] Electromechanical coupling studies have described the intervention of nitric oxide and S-nitrosylation processes in Ca2+ release induced by stretch, with heterogeneous findings. On the other hand, ion channel function ...
Effects of the inhibition of late sodium current by GS967 on stretch-induced changes in cardiac electrophysiology

Canto Serrano, Irene Del; Santamaría, L.; Genovés, P.; Such-Miquel, Luis; Arias-Mutis, Óscar Julián; Zarzoso Muñoz, Manuel; Soler, C.; Parra-Giraldo, G.; Tormos Ferrando, Álvaro; Alberola, Antonio; Such Belenguer, Luis; Chorro, F.J. (Springer-Verlag, 2018)

[EN] PurposeMechanical stretch increases sodium and calcium entry into myocytes and activates the late sodium current. GS967, a triazolopyridine derivative, is a sodium channel blocker with preferential effects on the late ...
Experimental Study of the Effects of EIPA, Losartan, and BQ-123 on Electrophysiological Changes Induced by Myocardial Stretch

Chorro, Francisco J.; Canto Serrano, Irene Del; Brines, Laia; Such-Miquel, Luis; Calvo Saiz, Conrado Javier; Soler, Carlos; Zarzoso, Manuel; Trapero, Isabel; Tormos Ferrando, Álvaro; Such, Luis (Elsevier, 2015-12)

[ES] Introducción y objetivos Se han implicado diversos mecanismos en la respuesta mecánica al estiramiento miocárdico, que incluyen la activación del intercambiador Na+/H+ por acciones autocrinas y paracrinas. Se estudia ...
Fuzzy and Sample Entropies as Predictors of Patient Survival Using Short Ventricular Fibrillation Recordings during out of Hospital Cardiac Arrest

Chicote, Beatriz; Irusta, Unai; Aramendi, Elisabete; Alcaraz, R.; Rieta, J J; Isasi, Iraia; Alonso, Daniel; Baqueriza, María del Mar; Ibarguren, Karlos (MDPI AG, 2018-08)

[EN] Optimal defibrillation timing guided by ventricular fibrillation (VF) waveform analysis would contribute to improved survival of out-of-hospital cardiac arrest (OHCA) patients by minimizing myocardial damage caused ...
Modifications in Ventricular Fibrillation and Capture Capacity Induced by a Linear Radiofrequency Lesion

Chorro, Francisco J.; Pelechano Ribes, Francisca; Trapero, Isabel; Ibañez Catala, Xavier; Such-Miquel, Luis; Tormos Ferrando, Álvaro; Guerrero, Juan; Canoves, Joaquin; Mainar, Luis; Millet Roig, José; Alberola, Antonio; Such, Luis (Elsevier, 2012-02)

[EN] Introduction and objectives: An analysis was made of the effects of a radiofrequency-induced linear lesion during ventricular fibrillation and the capacity to capture myocardium through high-frequency pacing. Methods: ...
Spectral analysis-based risk score enables early prediction of mortality and cerebral performance in patients undergoing therapeutic hypothermia for ventricular fibrillation and comatose status

Filgueiras-Rama, David; Calvo Saiz, Conrado Javier; Salvador-Montañés, Óscar; Cádenas, Rosalia; Ruiz-Cantador, Jose; Armada, Eduardo; Rey, Juan Ramón; Merino, J.L.; Peinado, Rafael; Pérez-Castellano, Nicasio; Pérez-Villacastín, Julián; Quintanilla, Jorge G.; Jiménez Serrano, Santiago; Castells, Francisco; Millet Roig, José (Elsevier, 2015-05-01)

Background: Early prognosis in comatose survivors after cardiac arrest due to ventricular fibrillation (VF) is unreliable, especially in patients undergoing mild hypothermia. We aimed at developing a reliable risk-score ...
Ventricular Tachycardia and Early Fibrillation in Patients With Brugada Syndrome and Ischemic Cardiomyopathy Show Predictable Frequency-Phase Properties on the Precordial ECG Consistent With the Respective Arrhythmogenic Substrate

Calvo, David; Atienza, Felipe; Saiz Rodríguez, Francisco Javier; Martinez, Laura; Ávila, Pablo; Rubín, José; Herreros, Benito; Arenal, Ángel; García-Fernández,Javier; Ferrer, Ana; Sebastian, Rafael; Martinez-Camblor, Pablo; Jalife, José; Berenfeld, Omer (Ovid Technologies Wolters Kluwer -American Heart Association, 2015-10)

[EN] Background¿ Ventricular fibrillation (VF) has been proposed to be maintained by localized high-frequency sources. We tested whether spectral-phase analysis of the precordial ECG enabled identification of periodic ...