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Items: 1 to 20 of 34


Reinserting Physiology into Cardiac Mapping Using Omnipolar Electrograms.

Magtibay K, Porta-Sánchez A, Haldar SK, Deno DC, Massé S, Nanthakumar K.

Card Electrophysiol Clin. 2019 Sep;11(3):525-536. doi: 10.1016/j.ccep.2019.05.003. Review.


Lateral tunnel Fontan atrial tachycardia ablation trans-baffle access is not mandatory as the initial strategy.

Bhaskaran A, Nayyar S, Charla P, Saeed Y, Haldar S, Porta-Sánchez A, Kugamoorthy P, Hans A, Jons C, Oechslin E, Hickey E, Harris L, Silversides C, Roche SL, Downar E, Nanthakumar K, Nair K.

J Interv Card Electrophysiol. 2019 Aug 9. doi: 10.1007/s10840-019-00580-5. [Epub ahead of print]


Quantification of abnormal QRS peaks predicts response to cardiac resynchronization therapy and tracks structural remodeling.

Suszko AM, Nayyar S, Porta-Sanchez A, Das M, Pinter A, Crystal E, Tomlinson G, Dalvi R, Chauhan VS.

PLoS One. 2019 Jun 6;14(6):e0217875. doi: 10.1371/journal.pone.0217875. eCollection 2019.


Human Embryonic Stem Cell-Derived Cardiomyocytes Regenerate the Infarcted Pig Heart but Induce Ventricular Tachyarrhythmias.

Romagnuolo R, Masoudpour H, Porta-Sánchez A, Qiang B, Barry J, Laskary A, Qi X, Massé S, Magtibay K, Kawajiri H, Wu J, Valdman Sadikov T, Rothberg J, Panchalingam KM, Titus E, Li RK, Zandstra PW, Wright GA, Nanthakumar K, Ghugre NR, Keller G, Laflamme MA.

Stem Cell Reports. 2019 May 14;12(5):967-981. doi: 10.1016/j.stemcr.2019.04.005. Epub 2019 May 2.


Reduction of Left Ventricular Dilation Beyond the First Year After Anterior Myocardial Infarction.

Figueras J, BaÑeras J, AguadÉ S, Sambola A, BarrabÉs JA, Candell-Riera J, Porta-Sanchez A, Garcia-Dorado D.

J Card Fail. 2019 Aug;25(8):645-653. doi: 10.1016/j.cardfail.2019.03.012. Epub 2019 Mar 22.


Health Care Utilization After Ventricular Tachycardia Ablation: A Propensity Score-Matched Cohort Study.

Porta-Sánchez A, Ha ACT, Wang X, Almehmadi F, Austin PC, Fischer HD, Al-Qubbany A, Chemello D, Chauhan V, Downar E, Lee DS, Nanthakumar K.

Can J Cardiol. 2019 Feb;35(2):169-177. doi: 10.1016/j.cjca.2018.10.011. Epub 2018 Oct 25.


Omnipolarity applied to equi-spaced electrode array for ventricular tachycardia substrate mapping.

Porta-Sánchez A, Magtibay K, Nayyar S, Bhaskaran A, Lai PFH, Massé S, Labos C, Qiang B, Romagnuolo R, Masoudpour H, Biswas L, Ghugre N, Laflamme M, Deno DC, Nanthakumar K.

Europace. 2019 May 1;21(5):813-821. doi: 10.1093/europace/euy304.


Relevant Anatomic Determinants for Epicardial Left Atrial Appendage Exclusion.

Porta-Sánchez A, Pizarro G, Salvador-Montañés Ó, Sánchez-Quintana D, Cabrera JÁ.

J Am Coll Cardiol. 2019 Jan 29;73(3):380-381. doi: 10.1016/j.jacc.2018.10.064. No abstract available.


Exit sites on the epicardium rarely subtend critical diastolic path of ischemic VT on the endocardium: Implications for noninvasive ablation.

Bhaskaran A, Nayyar S, Porta-Sánchez A, Haldar S, Bokhari M, Massé S, Liang T, Zehra N, Farid T, Downar E, Nanthakumar K.

J Cardiovasc Electrophysiol. 2019 Apr;30(4):520-527. doi: 10.1111/jce.13843. Epub 2019 Jan 15.


Determinants of atrial bipolar voltage: Inter electrode distance and wavefront angle.

Beheshti M, Magtibay K, Massé S, Porta-Sanchez A, Haldar S, Bhaskaran A, Nayyar S, Glover B, Deno DC, Vigmond EJ, Nanthakumar K.

Comput Biol Med. 2018 Nov 1;102:449-457. doi: 10.1016/j.compbiomed.2018.07.011. Epub 2018 Jul 27.


Essential role of ryanodine receptor 2 phosphorylation in the effect of azumolene on ventricular arrhythmia vulnerability in a rabbit heart model.

Si D, Azam MA, Lai PFH, Zamiri N, Kichigina G, Asta J, Massé S, Bokhari MM, Porta-Sánchez A, Labos C, Sun H, Yang P, Nanthakumar K.

J Cardiovasc Electrophysiol. 2018 Dec;29(12):1707-1715. doi: 10.1111/jce.13737. Epub 2018 Oct 31.


Multicenter Study of Ischemic Ventricular Tachycardia Ablation With Decrement-Evoked Potential (DEEP) Mapping With Extra Stimulus.

Porta-Sánchez A, Jackson N, Lukac P, Kristiansen SB, Nielsen JM, Gizurarson S, Massé S, Labos C, Viswanathan K, King B, Ha ACT, Downar E, Nanthakumar K.

JACC Clin Electrophysiol. 2018 Mar;4(3):307-315. doi: 10.1016/j.jacep.2017.12.005. Epub 2018 Feb 3.


Atrial decremental evoked potentials accurately determine the critical isthmus of intra-atrial re-entrant tachycardia.

Bhaskaran A, Gizurarson S, Porta-Sánchez A, Massé S, Nair K, Nanthakumar K.

Europace. 2018 Oct 1;20(10):1620. doi: 10.1093/europace/euy164. No abstract available.


Reduced T wave alternans in heart failure responders to cardiac resynchronization therapy: Evidence of electrical remodeling.

Nayyar S, Suszko A, Porta-Sanchez A, Dalvi R, Chauhan VS.

PLoS One. 2018 Jun 28;13(6):e0199637. doi: 10.1371/journal.pone.0199637. eCollection 2018.


Quantifying the determinants of decremental response in critical ventricular tachycardia substrate.

Beheshti M, Nayyar S, Magtibay K, Massé S, Porta-Sanchez A, Haldar S, Bhaskaran A, Vigmond E, Nanthakumar K.

Comput Biol Med. 2018 Nov 1;102:260-266. doi: 10.1016/j.compbiomed.2018.05.025. Epub 2018 May 28.


Hemodynamic Management of Patients During Endovascular Treatment of Acute Ischemic Stroke Under Conscious Sedation: A Retrospective Cohort Study.

Alcaraz G, Chui J, Schaafsma J, Manninen P, Porta-Sánchez A, Pereira VM, Venkatraghavan L.

J Neurosurg Anesthesiol. 2019 Jul;31(3):299-305. doi: 10.1097/ANA.0000000000000514.


Twisting and Turning to Find an Explanation for Torsades de Pointes.

Nayyar S, Porta-Sánchez A, Nanthakumar K.

JACC Clin Electrophysiol. 2017 Dec 26;3(13):1577-1579. doi: 10.1016/j.jacep.2017.09.174. Epub 2017 Nov 6. No abstract available.


T-Wave Morphology Analysis in Congenital Long QT Syndrome Discriminates Patients From Healthy Individuals.

Porta-Sánchez A, Spillane DR, Harris L, Xue J, Dorsey P, Care M, Chauhan V, Gollob MH, Spears DA.

JACC Clin Electrophysiol. 2017 Apr;3(4):374-381. doi: 10.1016/j.jacep.2016.10.013. Epub 2016 Dec 21.


Sex Differences in Timeliness of Reperfusion in Young Patients With ST-Segment-Elevation Myocardial Infarction by Initial Electrocardiographic Characteristics.

Gupta A, Barrabes JA, Strait K, Bueno H, Porta-Sánchez A, Acosta-Vélez JG, Lidón RM, Spatz E, Geda M, Dreyer RP, Lorenze N, Lichtman J, D'Onofrio G, Krumholz HM.

J Am Heart Assoc. 2018 Mar 7;7(6). pii: e007021. doi: 10.1161/JAHA.117.007021.


Incidence, Diagnosis, and Management of QT Prolongation Induced by Cancer Therapies: A Systematic Review.

Porta-Sánchez A, Gilbert C, Spears D, Amir E, Chan J, Nanthakumar K, Thavendiranathan P.

J Am Heart Assoc. 2017 Dec 7;6(12). pii: e007724. doi: 10.1161/JAHA.117.007724. Review.

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