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Title: The importance of pulmonary artery pressures on late atrial arrhythmia in transcatheter and surgically closed ASD type secundum
Authors: Van De Bruaene, Alexander ×
Delcroix, Marion
Pasquet, Agnes
De Backer, Julie
Paelinck, Bernard
Morissens, Marielle
Budts, Werner #
Issue Date: 2010
Publisher: Elsevier/North-Holland Biomedical Press
Series Title: International Journal of Cardiology vol:152 issue:2 pages:192-195
Abstract: Aims: Atrial fibrillation and flutter remain an important cause of morbidity in adults with atrial septal defect (ASD). This study aimed at investigating predictors for late (≥1 month after repair) atrial arrhythmia.
Methods: Patients who underwent ASD closure after the age of 18 years, were selected through the databases of three medical centres in Belgium. Preprocedural, periprocedural and follow-up data were extracted. Univariate and multivariate Cox-regression analysis was performed. Kaplan-meier analysis was performed for any independent predictor of late atrial arrhythmia.
Results: A total of 155 patients (38 men, 117 women) was included. Twenty-four patients (median age 48.3 years, range 19.9–79.8) underwent surgical and 131 (median age 57.6 years, range 18.2–86.9) underwent transcatheter closure. Thirty-nine patients (25.2%) presented with late atrial arrhythmia. Male gender (P=0.008), creatinine (P=0.002), atrial arrhythmia before (P<0.0001) and within 1 month after repair (P=0.001) and a mean pulmonary artery pressure (mPAP)≥25mmHg (P<0.0001) correlated with late atrial arrhythmia in univariate Cox-regression analysis. Multivariate analysis showed that mPAP≥25mmHg (HR 3.72; 95%CI 1.82-7.59; P<0.0001) and the presence of atrial arrhythmia before (HR 3.22; 95%CI 1.56-6.66; P=0.002) and within 1 month after repair (HR 2.08; 95%CI 2.08-15.92; P=0.001) were predictive of late atrial arrhythmia. Kaplan-Meier analysis showed that patients with a mPAP≥25mmHg had a higher risk at developing late atrial arrhythmia (P<0.0001).
Conclusion: In patients with ASD type secundum, a mPAP≥25mmHg is an independent predictor of late atrial arrhythmia. The presence of pulmonary hypertension before repair should raise awareness for atrial arrhythmias and may be used to guide therapy.
ISSN: 0167-5273
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Cardiology
Pneumology
× corresponding author
# (joint) last author

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