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Iwanski M, Kwaśniak K, Olszewska J, Głowacka A, Wróbel K, Wołowiec S, Tabarkiewicz J. 106P Knockout of lncRNA-CCAT1 with the use of CRISPR-Cas9 system and G7 PAMAM dendrimers influences apoptosis and proliferations of NSCLC cells. ESMO Open 2023. [DOI: 10.1016/j.esmoop.2023.100964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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Lugowska I, Kosela Paterczyk H, Iwanski M, Chelstowska M, Dawidowska A, Jaczewska S, Napora A, Witczak M, Tysarowski A, Rutkowski P. 72P MDM alterations in patients with advanced or metastatic cancers. ESMO Open 2023. [DOI: 10.1016/j.esmoop.2023.100930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/10/2023] Open
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Futyma P, Burda N, Surowiec A, Kogut A, Iwanski M, Swierczek P, Futyma M, Kulakowski P. Anterior position of dispersive patch for esophageal protection during atrial fibrillation ablation. A pilot feasibility study. Europace 2021. [DOI: 10.1093/europace/euab116.237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Introduction
Ablation for atrial fibrillation (AF) carries a significant risk of esophageal injury. Current methods of esophageal protection are invasive, expensive and their cost-effectiveness can be questioned. Standard placement of dispersive patch (DP) at patient’s back exposes esophagus to radio-frequency (RF) current-mediated thermal injury and such complications as esophageal wall ulceration, peri-esophageal injury or life-threatening atrio-esophageal fistula. Redirecting RF current by DP repositioning to anterior chest can theoretically protect oesophagus from thermal injury, however, such an approach has not yet been investigated.
Aim
To determine feasibility of anterior DP position for treatment of AF using RF catheter ablation (RFCA)-based system.
Methods
We retrospectively analysed consecutive patients undergoing RFCA-based pulmonary vein isolation (PVI) using multi-electrode PVAC catheter with DP located either in anterior or traditional-posterior position. Two additional patients underwent point-by-point RFCA and mapping of PV ostia with impedance measurements during RFCA performed using anterior and posterior DP positioning.
Results
62 patients (25 females, age 60 ± 12 years) underwent PVI using PVAC: 40 patients in posterior and 22 in anterior DP group. There were no major complications during procedures. There was no significant difference in AF recurrence rate between anterior and posterior DP groups during one-year follow up (log rank p = 0.065). In two additional consecutive patients (1 female, age 74 ± 2 years) undergoing point-by-point RFCA a total number of 30 measurements around PV ostia were performed. There was a significant difference between impedance values in anterior vs posterior DP positions (134 ± 7 Ω vs 122 ± 8 Ω, p = 0.0004).
Conclusions
Anterior position of dispersive electrode for PV isolation using RFCA-based systems is safe, feasible, atraumatic and is not associated with any additional cost. Apart from redirecting RF current away from the esophagus, anterior dispersive patch placement is associated with higher impedance values which can act as an additional protection. Possible prevention of esophageal complications using anterior dispersive patch positioning needs to be determined in prospective studies. Abstract Figure. AF-free survival and impedance
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Affiliation(s)
- P Futyma
- St. Joseph"s Heart Rhythm Center, Rzeszow, Poland
| | - N Burda
- University of Rzeszów, Rzeszów, Poland
| | | | - A Kogut
- University of Rzeszów, Rzeszów, Poland
| | - M Iwanski
- University of Rzeszów, Rzeszów, Poland
| | | | - M Futyma
- St. Joseph"s Heart Rhythm Center, Rzeszow, Poland
| | - P Kulakowski
- Grochowski Hospital, Medical Centre for Postgraduate Education, Cardiology Department, Warsaw, Poland
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