Effect of cryothermic and radiofrequency Cox-Maze IV ablation on atrial size and function assessed by 2D and 3D echocardiography, a randomized trial. To freeze or to burn

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Fältnamn	Indikatorer	Metadata
000		03783naa a2200337 4500
001		oai:DiVA.org:liu-196761
003		SwePub
008		230822s2023 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1967612 URI
024	7	a https://doi.org/10.1111/cpf.128412 DOI
040		a (SwePub)liu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Boano, Gabriellau Linköpings universitet,Avdelningen för diagnostik och specialistmedicin,Medicinska fakulteten,Region Östergötland, Thorax-kärlkliniken i Östergötland4 aut0 (Swepub:liu)gabbo28
245	1 0	a Effect of cryothermic and radiofrequency Cox-Maze IV ablation on atrial size and function assessed by 2D and 3D echocardiography, a randomized trial. To freeze or to burn
264	1	b WILEY,c 2023
338		a electronic2 rdacarrier
500		a Funding Agencies\|ALF Grant Region Ostergotland
520		a BackgroundAtrial linear scars in Cox-Maze IV procedures are achieved using Cryothermy (Cryo) or radiofrequency (RF) techniques. The subsequent postoperative left atrial (LA) reverse remodelling is unclear. We used 2- and 3-dimensional echocardiography (2-3DE) to compare the impact of Cryo and RF procedures on LA size and function 1 year after Cox-maze IV ablation concomitant with Mitral valve (MV) surgery. MethodsSeventy-two patients with MV disease and AF were randomized to Cryo (n = 35) or RF (n = 37) ablation. Another 33 patients were enroled without ablation (NoMaze). All patients underwent an echocardiogram the day before and 1 year after surgery. The LA function was assessed on 2D strain by speckle tracking and 3DE. ResultsForty-two ablated patients recovered sinus rhythm (SR) 1 year after surgery. They had comparable left and right systolic ventricular function, LA volume index (LAVI), and 2D reservoir strain before surgery. At follow-up, the 3DE extracted reservoir and booster function were higher after RF (37 & PLUSMN; 10% vs. 26 & PLUSMN; 6%; p < 0.001) than Cryo ablation (18 & PLUSMN; 9 vs. 7 & PLUSMN; 4%; p < 0.001), while passive conduit function was comparable between groups (24 & PLUSMN; 11 vs. 20 & PLUSMN; 8%; p = 0.17). The extent of LAVI reduction depended on the duration of AF preoperatively. ConclusionsSR restoration after MV surgery and maze results in LA size reduction irrespective of the energy source used. Compared to RF, the extension of ablation area produced by Cryo implies a structural LA remodelling affecting LA systolic function.
650	7	a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Kardiologi0 (SwePub)302062 hsv//swe
650	7	a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Cardiac and Cardiovascular Systems0 (SwePub)302062 hsv//eng
653		a 3D volumes; atrial fibrillation; atrial strain; left atrium; mitral valve surgery; surgical ablation
700	1	a Vanky, Farkasu Linköpings universitet,Avdelningen för diagnostik och specialistmedicin,Medicinska fakulteten,Region Östergötland, Thorax-kärlkliniken i Östergötland4 aut0 (Swepub:liu)farva32
700	1	a Åström, Meriamu Linköpings universitet,Avdelningen för diagnostik och specialistmedicin,Medicinska fakulteten,Region Östergötland, Fysiologiska kliniken US4 aut0 (Swepub:liu)meras88
710	2	a Linköpings universitetb Avdelningen för diagnostik och specialistmedicin4 org
773	0	t Clinical Physiology and Functional Imagingd : WILEYg 43:6, s. 431-440q 43:6<431-440x 1475-0961x 1475-097X
856	4	u https://liu.diva-portal.org/smash/get/diva2:1790390/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-196761
856	4 8	u https://doi.org/10.1111/cpf.12841

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Av författaren/redakt...: Boano, Gabriella; Vanky, Farkas; Åström, Meriam

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