title: 'Natural Conduit' between two atria associated with atrial septal defect.
abstract: Herein, we present a case of 46 years old woman with an extracardiac venous connection between two atria associated with secundum type atrial septal defect (ASD). This interatrial tunnel was not recognized by both transthoracic and transesophageal echocardiographic examinations. Computed tomography suspected a blood flow from right inferior pulmonary vein to inferior caval vein. Consequently, the patient underwent cardiac catheterization. Angiography revealed a tunnel between left and right atrium. To our knowledge, this is the first report of a case with venous tunnel between two atria associated with secundum type ASD in the literature.
authors.affiliation: Department of Cardiology, School of Medicine, Cukurova University, 01330 Adana, Balcali, Turkey. kanadasi@cu.edu.tr
authors.forename: Mehmet
authors.initials: M
authors.lastname: Kanadaşi
authors.forename: Nazan
authors.initials: N
authors.lastname: Ozbarlas
authors.forename: Mustafa
authors.initials: M
authors.lastname: Demirtaş
authors.forename: Ayhan
authors.initials: A
authors.lastname: Usal
authors.forename: Onur
authors.initials: O
authors.lastname: Akpinar
mesh_terms: D006328:Cardiac Catheterization; D017023:Coronary Angiography; D004452:Echocardiography; D017548:Echocardiography, Transesophageal; D005260:Female; D006325:Heart Atria / Q000000981:diagnostic imaging / Q000473:pathology; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D008875:Middle Aged; D011652:Pulmonary Circulation; D011667:Pulmonary Veins / Q000000981:diagnostic imaging / Q000473:pathology; D014057:Tomography, X-Ray Computed; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging / Q000473:pathology