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1,100 results on '"Kistler, Peter M"'

1. Left Ventricular Summit Arrhythmias: State-of-the-Art Review of Anatomy, Mapping, and Ablation Strategies

Author

Das, Souvik K., Hawson, Joshua, Koh, Youlin, Lim, Michael W., D'Ambrosio, Paolo, Virk, Sohaib A., Liang, Danlu, Watts, Troy, Padilla, Jairo Rodriguez, Nanthakumar, Kumaraswamy, Kumar, Saurabh, Wong, Michael, Sparks, Paul B., Al-Kaisey, Ahmed, Pathik, Bhupesh, McLellan, Alex, Morton, Joseph B., Kistler, Peter M., Kalman, Jonathan M., Lee, Geoffrey, and Anderson, Robert D.

Published
2024
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4. Diagnosis to Ablation in Persistent AF: Any Time Can Be a Good Time to Ablate

Author

Crowley, Rose, Lim, Michael W., Chieng, David, Segan, Louise, William, Jeremy, Morton, Joseph B., Lee, Geoffrey, Sparks, Paul, McLellan, Alex J., Sugumar, Hariharan, Prabhu, Sandeep, Ling, Liang-Han, Voskoboinik, Aleksandr, Pathak, Rajeev K., Sterns, Laurence, Ginks, Matthew, Sanders, Prashanthan, Kistler, Peter M., and Kalman, Jonathan M.

Published
2024
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9. 2023 Cardiac Society of Australia and New Zealand Expert Position Statement on Catheter and Surgical Ablation for Atrial Fibrillation

Author

Kistler, Peter M., Sanders, Prash, Amarena, John V., Bain, Chris R., Chia, Karin M., Choo, Wai-Kah, Eslick, Adam T., Hall, Tanya, Hopper, Ingrid K., Kotschet, Emily, Lim, Han S., Ling, Liang-Han, Mahajan, Rajiv, Marasco, Silvana F., McGuire, Mark A., McLellan, Alex J., Pathak, Rajeev K., Phillips, Karen P., Prabhu, Sandeep, Stiles, Martin K., Sy, Raymond W., Thomas, Stuart P., Toy, Tracey, Watts, Troy W., Weerasooriya, Rukshen, Wilsmore, Bradley R., Wilson, Lauren, and Kalman, Jonathan M.

Published
2024
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10. Sex-specific outcomes after catheter ablation for persistent AF

Author

Segan, Louise, Chieng, David, Crowley, Rose, William, Jeremy, Sugumar, Hariharan, Ling, Liang-Han, Hawson, Joshua, Prabhu, Sandeep, Voskoboinik, Aleksandr, Morton, Joseph B., Lee, Geoffrey, Sterns, Laurence D., Ginks, Matthew, Sanders, Prashanthan, Kalman, Jonathan M., and Kistler, Peter M.

Published
2024
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14. Persistent Atrial Fibrillation Phenotypes and Ablation Outcomes: Persistent From Outset vs Progression From Paroxysmal AF

Author

Crowley, Rose, Chieng, David, Segan, Louise, William, Jeremy, Sugumar, Hariharan, Prabhu, Sandeep, Voskoboinik, Aleksandr, Ling, Liang-Han, Morton, Joseph B., Lee, Geoffrey, McLellan, Alex J., Wong, Michael, Pathak, Rajeev K., Sterns, Laurence, Ginks, Matthew, Sanders, Prashanthan, Kistler, Peter M., and Kalman, Jonathan M.

Published
2024
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18. Impact of Catheter Ablation on Cognitive Function in Atrial Fibrillation: A Randomized Control Trial

Author

Al-Kaisey, Ahmed M., Parameswaran, Ramanathan, Bryant, Christina, Anderson, Robert D., Hawson, Joshua, Chieng, David, Voskoboinik, Aleksandr, Sugumar, Hariharan, West, Danielle, Azzopardi, Sonia, Finch, Sue, Wong, Geoffrey, Joseph, Stephen A., McLellan, Alex, Ling, Liang-Han, Sanders, Prashanthan, Lee, Geoffrey, Kistler, Peter M., and Kalman, Jonathan M.

Published
2023
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21. Atrial Fibrillation Ablation for Heart Failure With Preserved Ejection Fraction: A Randomized Controlled Trial

Author

Chieng, David, Sugumar, Hariharan, Segan, Louise, Tan, Caleb, Vizi, Donna, Nanayakkara, Shane, Al-Kaisey, Ahmed, Hawson, Joshua, Prabhu, Sandeep, Voskoboinik, Aleksandr, Finch, Sue, Morton, Joseph B., Lee, Geoffrey, Mariani, Justin, La Gerche, Andre, Taylor, Andrew J., Howden, Erin, Kistler, Peter M., Kalman, Jonathan M., Kaye, David M., and Ling, Liang-Han

Published
2023
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28. Lifelong physiology of a former marathon world-record holder: the pros and cons of extreme cardiac remodeling.

Author

Foulkes, Stephen J., Haykowsky, Mark J., Kistler, Peter M., McConell, Glenn K., Trappe, Scott, Hargreaves, Mark, Costill, David L., and Gerche, Andre La

Subjects
AEROBIC capacity, CARDIAC magnetic resonance imaging, LONG-distance runners, CARDIAC output, ATRIAL fibrillation, ENDURANCE athletes, EXERCISE tests
Abstract

In a 77-year-old former world-record-holding male marathoner (2:08:33.6), this study sought to investigate the impact of lifelong intensive endurance exercise on cardiac structure, function, and the trajectory of functional capacity (determined by maximal oxygen consumption, V̇ o 2max) throughout the adult lifespan. As a competitive runner, our athlete (DC) reported performing up to 150–300 miles/wk of moderate-to-vigorous exercise and sustained 10–15 h/wk of endurance exercise after retirement from competition. DC underwent maximal cardiopulmonary exercise testing in 1970 (aged 27 yr), 1991 (aged 49 yr), and 2020 (aged 77 yr) to determine V̇ o 2max. At his evaluation in 2020, DC also underwent comprehensive cardiac assessments including resting echocardiography, and resting and exercise cardiac magnetic resonance to quantify cardiac structure and function at rest and during peak supine exercise. DC's V̇ o 2max showed minimal change from 27 yr (69.7 mL/kg/min) to 49 yr (68.1 mL/kg/min), although it eventually declined by 36% by the age of 77 yr (43.6 mL/kg/min). DC's V̇ o 2max at 77 yr, was equivalent to the 50th percentile for healthy 20- to 29-yr-old males and 2.4 times the requirement for maintaining functional independence. This was partly due to marked ventricular dilatation (left-ventricular end-diastolic volume: 273 mL), which facilitates a large peak supine exercise stroke volume (200 mL) and cardiac output (22.2 L/min). However, at the age of 78 yr, DC developed palpitations and fatigue and was found to be in atrial fibrillation requiring ablation procedures to revert his heart to sinus rhythm. Overall, this life study of a world champion marathon runner exemplifies the substantial benefits and potential side effects of many decades of intense endurance exercise. NEW & NOTEWORTHY: This life study of a 77-yr-old former world champion marathon runner exemplifies the impact of lifelong high-volume endurance exercise on functional capacity (V̇ o 2max equivalent to a 20- to 29-yr-old), partly due to extreme ventricular remodeling that facilitates a large cardiac output during exercise despite reduced maximal heart rate. Although it is possible that this extreme remodeling may contribute to developing atrial fibrillation, the net benefits of extreme exercise throughout this athlete's lifespan favor increased health span and expected longevity. [ABSTRACT FROM AUTHOR]

Published
2024
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29. Catheter ablation for persistent atrial fibrillation: A multicenter randomized trial of pulmonary vein isolation (PVI) versus PVI with posterior left atrial wall isolation (PWI) - The CAPLA study

Author

Chieng, David, Sugumar, Hariharan, Ling, Liang-Han, Segan, Louise, Azzopardi, Sonia, Prabhu, Sandeep, Al-Kaisey, Ahmed, Voskoboinik, Aleksandr, Parameswaran, Ramanathan, Morton, Joseph B, Pathik, Bhupesh, McLellan, Alex J, Lee, Geoffrey, Wong, Michael, Finch, Sue, Pathak, Rajeev K, Raja, Deep Chandh, Sanders, Prashanthan, Sterns, Laurence, Ginks, Matthew, Reid, Christopher M, Kalman, Jonathan M, and Kistler, Peter M

Published
2022
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33. Simultaneous epicardial–endocardial mapping of the sinus node in humans with structural heart disease: Impact of overdrive suppression on sinoatrial exits

Author

Parameswaran, Ramanathan, Lee, Geoffrey, Morris, Gwilym M., Royse, Alistair, Goldblatt, John, Larobina, Marco, Watts, Troy, Nalliah, Chrishan J., Wong, Geoffrey, Al-Kaisey, Ahmed M., Anderson, Robert D., Voskoboinik, Aleksandr, Sugumar, Hariharan, Chieng, David, Sanders, Prashanthan, Kistler, Peter M., and Kalman, Jonathan M.

Published
2020
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34. Catheter ablation for persistent atrial fibrillation: patterns of recurrence and impact on quality of life and health care utilization.

Author

Crowley, Rose, Chieng, David, Sugumar, Hariharan, Ling, Liang-Han, Segan, Louise, William, Jeremy, Prabhu, Sandeep, Voskoboinik, Aleksandr, Wong, Geoffrey, Morton, Joseph B, Lee, Geoffrey, McLellan, Alex J, Wong, Michael, Pathak, Rajeev K, Sterns, Laurence, Ginks, Matthew, Sanders, Prashanthan, Kalman, Jonathan M, and Kistler, Peter M

Abstract

Background and Aims Patterns of atrial fibrillation (AF) recurrence post-catheter ablation for persistent AF (PsAF) are not well described. This study aimed to describe the pattern of AF recurrence seen following catheter ablation for PsAF and the implications for healthcare utilization and quality of life (QoL). Methods This was a post-hoc analysis of the CAPLA study, an international, multicentre study that randomized patients with symptomatic PsAF to pulmonary vein isolation plus posterior wall isolation or pulmonary vein isolation alone. Patients underwent twice daily single lead ECG, implantable device monitoring or three monthly Holter monitoring. Results 154 of 333 (46.2%) patients (median age 67.3 years, 28% female) experienced AF recurrence at 12-month follow-up. Recurrence was paroxysmal in 97 (63%) patients and persistent in 57 (37%). Recurrence type did not differ between randomization groups (P =.508). Median AF burden was 27.4% in PsAF recurrence and.9% in paroxysmal AF (PAF) recurrence (P <.001). Patients with PsAF recurrence had lower baseline left ventricular ejection fraction (PsAF 50% vs. PAF 60%, P <.001) and larger left atrial volume (PsAF 54.2 ± 19.3 mL/m² vs. PAF 44.8 ± 11.6 mL/m², P =.008). Healthcare utilization was significantly higher in PsAF (45 patients [78.9%]) vs. PAF recurrence (45 patients [46.4%], P <.001) and lowest in those without recurrence (17 patients [9.5%], P <.001). Patients without AF recurrence had greater improvements in QoL as assessed by the Atrial Fibrillation Effect on Quality-of-Life (AFEQT) questionnaire (Δ33.3 ± 25.2 points) compared to those with PAF (Δ24.0 ± 25.0 points, P =.012) or PsAF (Δ13.4 ± 22.9 points, P <.001) recurrence. Conclusions AF recurrence is more often paroxysmal after catheter ablation for PsAF irrespective of ablation strategy. Recurrent PsAF was associated with higher AF burden, increased healthcare utilization and antiarrhythmic drug use. The type of AF recurrence and AF burden may be considered important endpoints in clinical trials investigating ablation of PsAF. [ABSTRACT FROM AUTHOR]

Published
2024
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36. Modified Precordial Lead R-Wave Deflection Interval Predicts Left- and Right-Sided Idiopathic Outflow Tract Ventricular Arrhythmias

Author

Anderson, Robert D., Kumar, Saurabh, Binny, Simon, Prabhu, Mukund, Al-Kaisey, Ahmed, Parameswaran, Ramanathan, Sugumar, Hariharan, Chieng, David, Hawson, Joshua, Campbell, Timothy, Joshi, Subodh, Lui, Elaine, Sparks, Paul B., Joseph, Stephen A., Morton, Joseph B., McLellan, Alex, Lipton, Jonathan, Pathik, Bhupesh, Kistler, Peter M., Kalman, Jonathan, and Lee, Geoffrey

Published
2020
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37. Arrhythmia recurrence is more common in females undergoing multiple catheter ablation procedures for persistent atrial fibrillation: Time to close the gender gap

Author

Sugumar, Hariharan, Nanayakkara, Shane, Chieng, David, Wong, Geoffrey R., Parameswaran, Ramanathan, Anderson, Robert D., Al-Kaisey, Ahmed, Nalliah, Chrishan J., Azzopardi, Sonia, Prabhu, Sandeep, Voskoboinik, Aleksandr, Lee, Geoffrey, McLellan, Alex J., Ling, Liang-Han, Morton, Joseph B., Kalman, Jonathan M., and Kistler, Peter M.

Published
2020
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39. Reply

Author

Kistler, Peter M., primary and Segan, Louise, additional

Published
2024
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49. Caudal fluoroscopic guidance for the insertion of transvenous pacing leads.

Author

Morton, Matthew B., William, Jeremy, Kistler, Peter M., Prabhu, Sandeep, Sugumar, Hariharan, Brink, Olivier Van Den, Patel, Hitesh, Mariani, Justin, and Voskoboinik, Aleksandr

Subjects
PNEUMOTHORAX, RETROSPECTIVE studies, LONGITUDINAL method, VENOGRAPHY, HEALTH outcome assessment, CARDIAC pacemakers, CARDIAC pacing, COMPARATIVE studies, FLUOROSCOPY, PATIENT positioning
Abstract

Background: Pneumothorax is a well‐recognized complication of cardiac implantable electronic device (CIED) insertion. While AP fluoroscopy alone is the most commonly imaging technique for subclavian or axillary access, caudal fluoroscopy (angle 40°) is routinely used at our institution. The caudal view provides additional separation of the first rib and clavicle and may reduce the risk of pneumothorax. We assessed outcomes at our institution of AP and caudal fluoroscopic guided pacing lead insertion. Methods: Retrospective cohort study of consecutive patients undergoing transvenous lead insertion for pacemakers, defibrillators, and cardiac resynchronization therapy devices between 2011 and 2023. Both de novo and lead replacement/upgrade procedures were included. Data were extracted from operative, radiology, and discharge reports. All patients underwent postprocedure chest radiography. Results: Three thousand two hundred fifty‐two patients underwent insertion of pacing leads between February 2011 and March 2023. Mean age was 71.1 years (range 16–102) and 66.7% were male. Most (n = 2536; 78.0%) procedures used caudal guidance to obtain venous access, while 716 (22.0%) procedures used AP guidance alone. Pneumothoraxes occurred in five (0.2%) patients in the caudal group and five (0.7%) patients in the AP group (p =.03). Subclavian contrast venography was performed less frequently in the caudal group (26.2% vs. 42.7%, p <.01). Conclusion: Caudal fluoroscopy for axillary/subclavian access is associated with a lower rate of pneumothorax and contrast venography compared with an AP approach. [ABSTRACT FROM AUTHOR]

Published
2024
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