ISSN : 2146-3123
E-ISSN : 2146-3131

A Misclassification of Pulmonary Stenosis Using Conventional Echocardiographic Methods
Tuğba Kemaloğlu Öz1, Mehmet Eren1, Tayfun Gürol2, Özer Soylu2, Bahadır Dağdeviren2
1Clinic of Cardiology, Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital, İstanbul, Turkey
2Department of Cardiology, Bahçeşehir University School of Medicine, İstanbul, Turkey
DOI : 10.4274/balkanmedj.2016.0903
Pages : 105-107


Background: The classification of pulmonary stenosis (PS) severity based on the transpulmonary pressure gradient, which is affected by flow rate. 
Case Report: We report the first case of a pregnant patient with atrial septal defect (ASD) and pulmonary stenosis that was misclassified by conventional echocardiographic methods. Most importantly, three-dimensional transoesophageal echocardiographic assessment of pulmonary stenosis changed the entire treatment strategy. 
Conclusion: The planimetric calculation of the pulmonary valve (PV) opening area using three-dimensional transoesophageal echocardiographic may be helpful, especially in encounters with specialized conditions such as ASD and/or pregnancy, which can cause inaccurate recordings of the transvalvular peak gradient.

Keywords : Atrial septal defect, echocardiography, pregnancy, pulmonary stenosis, three-dimensional echocardiography
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