Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

40 results

Filters applied: . Clear all
Page 1
Cardioneuroablation for the management of patients with recurrent vasovagal syncope and symptomatic bradyarrhythmias: the CNA-FWRD Registry.
Aksu T, Tung R, De Potter T, Markman TM, Santangeli P, du Fay de Lavallaz J, Winterfield JR, Baykaner T, Alyesh D, Joza JE, Gopinathannair R, Badertscher P, Do DH, Hussein A, Osorio J, Dewland T, Perino A, Rodgers AJ, DeSimone C, Alfie A, Atwater BD, Singh D, Kumar K, Salcedo J, Bradfield JS, Upadhyay G, Sood N, Sharma PS, Gautam S, Kumar V, Forno ARJD, Woods CE, Rav-Acha M, Valeriano C, Kapur S, Enriquez A, Sundaram S, Glikson M, Gerstenfeld E, Piccini J, Tzou WS, Sauer W, d'Avila A, Shivkumar K, Huang HD. Aksu T, et al. Among authors: shivkumar k. J Interv Card Electrophysiol. 2024 Mar 18. doi: 10.1007/s10840-024-01789-9. Online ahead of print. J Interv Card Electrophysiol. 2024. PMID: 38499825
METHODS: The Cardioneuroablation for the Management of Patients with Recurrent Vasovagal Syncope and Symptomatic Bradyarrhythmias (CNA-FWRD) Registry is a multicenter prospective registry with cross-over design evaluating acute and long-term outcomes of VVS and AVB patient …
METHODS: The Cardioneuroablation for the Management of Patients with Recurrent Vasovagal Syncope and Symptomatic Bradyarrhythmias (CNA-FWRD) …
Long-Term Outcomes of Cardiac Resynchronization Therapy in Patients With Repaired Tetralogy of Fallot: A Multicenter Study.
Ramdat Misier NL, Moore JP, Nguyen HH, Lloyd MS, Dubin AM, Mah DY, Czosek RJ, Khairy P, Chang PM, Nielsen JC, Aydin A, Pilcher TA, O'Leary ET, Shivkumar K, de Groot NMS. Ramdat Misier NL, et al. Among authors: shivkumar k. Circ Arrhythm Electrophysiol. 2024 Mar;17(3):e012363. doi: 10.1161/CIRCEP.123.012363. Epub 2024 Feb 12. Circ Arrhythm Electrophysiol. 2024. PMID: 38344811 Free article.
CONCLUSIONS: In patients with tetralogy of Fallot treated with CRT consistent improvement in QRS duration, left ventricular ejection fraction, New York Heart Association functional class, and reasonable long-term survival were observed. The findings from this multicenter s …
CONCLUSIONS: In patients with tetralogy of Fallot treated with CRT consistent improvement in QRS duration, left ventricular ejection fractio …
Ischemia-induced ventricular proarrhythmia and cardiovascular autonomic dysreflexia after cardioneuroablation.
Chung WH, Masuyama K, Challita R, Hayase J, Mori S, Cha S, Bradfield JS, Ardell JL, Shivkumar K, Ajijola OA. Chung WH, et al. Among authors: shivkumar k. Heart Rhythm. 2023 Nov;20(11):1534-1545. doi: 10.1016/j.hrthm.2023.08.001. Epub 2023 Aug 9. Heart Rhythm. 2023. PMID: 37562487
BACKGROUND: Cardioneuroablation (CNA) is an attractive treatment of vasovagal syncope. Its long-term efficacy and safety remain unknown. OBJECTIVE: The purpose of this study was to develop a chronic porcine model of CNA to examine the susceptibility to ventricular tachyarr …
BACKGROUND: Cardioneuroablation (CNA) is an attractive treatment of vasovagal syncope. Its long-term efficacy and safety remain unkno …
Outcomes in orthotopic heart transplantation following pacemaker implantation.
Do DH, Bailey KL, Beyer R, Neubuerger S, Bradfield J, Shivkumar K, Nsair A, Boyle NG. Do DH, et al. Among authors: shivkumar k. Pacing Clin Electrophysiol. 2023 Jul;46(7):583-591. doi: 10.1111/pace.14716. Epub 2023 May 24. Pacing Clin Electrophysiol. 2023. PMID: 37221975
Prior studies have shown conflicting findings regarding the effect of PPM implantation on survival. We evaluated the effect of PPM indication on long-term re-transplant-free survival in OHT patients. METHODS: We conducted a retrospective cohort study of OHT patients at UCL …
Prior studies have shown conflicting findings regarding the effect of PPM implantation on survival. We evaluated the effect of PPM indicatio …
Cardiac Resynchronization Therapy for Adult Patients With a Failing Systemic Right Ventricle: A Multicenter Study.
Kharbanda RK, Moore JP, Lloyd MS, Galotti R, Bogers AJJC, Taverne YJHJ, Madhavan M, McLeod CJ, Dubin AM, Mah DY, Chang PM, Kamp AN, Nielsen JC, Aydin A, Tanel RE, Shah MJ, Pilcher T, Evertz R, Khairy P, Tan RB, Czosek RJ, Shivkumar K, de Groot NMS. Kharbanda RK, et al. Among authors: shivkumar k. J Am Heart Assoc. 2022 Nov 15;11(22):e025121. doi: 10.1161/JAHA.121.025121. Epub 2022 Nov 8. J Am Heart Assoc. 2022. PMID: 36346046 Free PMC article.
CRT resulted in significant improvement in functional class (before CRT: III, 25th-75th percentile, II-III; after CRT: II, 25th-75th percentile, II-III; P=0.005) and QRS duration (before CRT: 17627; after CRT: 15024 milliseconds; P=0.003) in patients with pre-CRT ventricular paci …
CRT resulted in significant improvement in functional class (before CRT: III, 25th-75th percentile, II-III; after CRT: II, 25th-75th percent …
Clinical Outcomes in Patients With Dilated Cardiomyopathy and Ventricular Tachycardia.
Zeppenfeld K, Wijnmaalen AP, Ebert M, Baldinger SH, Berruezo A, Catto V, Vaseghi M, Arya A, Kumar S, de Riva M, Deneke T, Gaspar T, Soejima K, van Rein N, Tedrow UB, Piorkowski C, Shivkumar K, Carbucicchio C, Hindricks G, Stevenson WG. Zeppenfeld K, et al. Among authors: shivkumar k. J Am Coll Cardiol. 2022 Sep 13;80(11):1045-1056. doi: 10.1016/j.jacc.2022.06.035. J Am Coll Cardiol. 2022. PMID: 36075673 Free article.
BACKGROUND: Recurrent ventricular tachycardia (VT) due to dilated cardiomyopathy (DCM) is difficult to treat, and long-term outcome data are limited. OBJECTIVES: The aim of this study was to identify predictors of mortality or heart transplantation (HTx) and VT recurrence. …
BACKGROUND: Recurrent ventricular tachycardia (VT) due to dilated cardiomyopathy (DCM) is difficult to treat, and long-term outcome d …
Non-invasive Stereotactic Body Radiation Therapy for Refractory Ventricular Arrhythmias: Venturing into the Unknown.
Hayase J, Chin R, Cao M, Hu P, Shivkumar K, Bradfield JS. Hayase J, et al. Among authors: shivkumar k. J Innov Card Rhythm Manag. 2022 Feb 15;13(2):4894-4899. doi: 10.19102/icrm.2022.130202. eCollection 2022 Feb. J Innov Card Rhythm Manag. 2022. PMID: 35251759 Free PMC article.
Numerous case reports and case series have provided encouraging short-term results suggesting good efficacy and safety, but randomized data and long-term outcomes are not yet available. ...
Numerous case reports and case series have provided encouraging short-term results suggesting good efficacy and safety, but randomize …
Arrhythmia exacerbation after post-infarction ventricular tachycardia ablation: prevalence and prognostic significance.
Siontis KC, Kim HM, Vergara P, Peretto G, Do DH, de Riva M, Lam A, Qian P, Yokokawa M, Jongnarangsin K, Latchamsetty R, Jais P, Sacher F, Tedrow U, Shivkumar K, Zeppenfeld K, Della Bella P, Stevenson WG, Morady F, Bogun FM. Siontis KC, et al. Among authors: shivkumar k. Europace. 2020 Nov 1;22(11):1680-1687. doi: 10.1093/europace/euaa169. Europace. 2020. PMID: 32830247
CONCLUSION: Arrhythmia exacerbation after ablation of infarct-related VT is infrequent but is independently associated with an adverse long-term outcome among patients who experience a VT recurrence. The mechanisms and mitigation strategies of AE after catheter ablation re …
CONCLUSION: Arrhythmia exacerbation after ablation of infarct-related VT is infrequent but is independently associated with an adverse long- …
Recurrent ventricular tachycardia after cardiac sympathetic denervation: Prolonged cycle length with improved hemodynamic tolerance and ablation outcomes.
Hayase J, Dusi V, Do D, Ajijola OA, Vaseghi M, Lee JM, Yanagawa J, Hoftman N, Revels S, Buch EF, Khakpour H, Fujimura O, Krokhaleva Y, Macias C, Sorg J, Gima J, Pavez G, Boyle NG, Shivkumar K, Bradfield JS. Hayase J, et al. Among authors: shivkumar k. J Cardiovasc Electrophysiol. 2020 Sep;31(9):2382-2392. doi: 10.1111/jce.14624. Epub 2020 Jun 30. J Cardiovasc Electrophysiol. 2020. PMID: 32558054 Free PMC article.
CONCLUSION: RFA for recurrent MMVT post-CSD is a reasonable treatment option with intermediate-term clinical success in 50% of patients. Clinical VT cycle length was significantly increased after CSD with associated improvement in mappable, hemodynamically tolerated VT dur …
CONCLUSION: RFA for recurrent MMVT post-CSD is a reasonable treatment option with intermediate-term clinical success in 50% of patien …
Modern mapping and ablation techniques to treat ventricular arrhythmias from the left ventricular summit and interventricular septum.
Romero J, Shivkumar K, Valderrabano M, Diaz JC, Alviz I, Briceno D, Natale A, Di Biase L. Romero J, et al. Among authors: shivkumar k. Heart Rhythm. 2020 Sep;17(9):1609-1620. doi: 10.1016/j.hrthm.2020.04.026. Epub 2020 Apr 22. Heart Rhythm. 2020. PMID: 32333973 Review.
Novel mapping and ablation strategies are needed to treat arrhythmias originating from these regions given the current suboptimal long-term success rates with standard techniques. Herein, we describe innovative approaches to improve acute and long-term clinical outc …
Novel mapping and ablation strategies are needed to treat arrhythmias originating from these regions given the current suboptimal long-te …
40 results