2012
DOI: 10.1186/1476-7120-10-48
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Speckle echocardiographic left atrial strain and stiffness index as predictors of maintenance of sinus rhythm after cardioversion for atrial fibrillation: a prospective study

Abstract: BackgroundEchocardiographic left atrial (LA) strain parameters have been associated with atrial fibrillation (AF) in prior studies. Our goal was to determine if strain measures [peak systolic longitudinal strain (LAS) and stiffness index (LASt)] changed after cardioversion (CV); and their relation to AF recurrence.Methods and results46 participants with persistent AF and 41 age-matched participants with no AF were recruited. LAS and LASt were measured before and immediately after CV using 2D speckle tracking i… Show more

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Cited by 74 publications
(81 citation statements)
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“…8 In addition, patients who experience PAF episodes before the stroke may have had lower degree of atria contractility compared with those who remained in sinus rhythm. 9 A receiver operating characteristic curve showed LAS cutoff point of 25.83%, which predicted PAF with sensitivity of 70% and specificity of 75%. From the 90 patients with cryptogenic stroke, 2 patients were excluded for inappropriate thoracic window for LAS analysis and 5 patients for incomplete cardiac telemetry monitoring.…”
Section: Results Of Pilot Testingmentioning
confidence: 99%
“…8 In addition, patients who experience PAF episodes before the stroke may have had lower degree of atria contractility compared with those who remained in sinus rhythm. 9 A receiver operating characteristic curve showed LAS cutoff point of 25.83%, which predicted PAF with sensitivity of 70% and specificity of 75%. From the 90 patients with cryptogenic stroke, 2 patients were excluded for inappropriate thoracic window for LAS analysis and 5 patients for incomplete cardiac telemetry monitoring.…”
Section: Results Of Pilot Testingmentioning
confidence: 99%
“…При одномерном регрессионном анализе Кокса эхокардиографических параметров, включавших диаметр ЛП более 40 мм, макси-мальный объем ЛП более 28 мл/м 2 и индекс рас-ширения менее 65%, самыми сильными факто-рами, связанными с рецидивом ФП, были пока-затели GLSs более -10% (ОР 4,95 (3,(15)(16)(17)(18)(19)95), р = 0,002), GLSr менее 15% (ОР 6,7 (2,4-14,9), р < 0,001) и GLSRs менее 1,6 с -1 (ОР 7,8 (3,4-17,8), р = 0,007), характеризующие механи-ческую функцию ЛП. C. Schneider et al показа-ли, что значения параметров деформации ЛП увеличиваются у пациентов со стабильным си-нусовым ритмом после катетерной аблации в те-чение периода наблюдения, в отличие от боль-ных с рецидивами ФП [9].…”
Section: Discussionunclassified
“…3). В одномерном регрессионном анализе Кокса среди достоверных механических параме-тров самыми сильными факторами, связанными с рецидивом ФП, были показатели GLSs более -10% (ОР 4,95 (3,(15)(16)(17)(18)(19)95), р = 0,002), GLSr ме-нее 15% (ОР 6,7 (2,4-14,9), р < 0,001) и GLSRs менее 1,6 с -1 (ОР 7,8 (3,4-17,8), р = 0,007) (см. табл.…”
Section: геометрические и функциональные особенности левого предсердиunclassified
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