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  • Title: Value of echocardiography in results evaluation of transcatheter atrial septal defect closure in adults.
    Author: Simkova I, Kozlovsky M, Riecansky I, Fridrich V.
    Journal: Bratisl Lek Listy; 2001; 102(7):318-21. PubMed ID: 11725385.
    Abstract:
    Transcatheter closure of secundum atrial septal defect using Amplatzer occluder is accepted treatment modality. Transthoracic (TTE) and transoesophageal (TEE) echocardiography provides indispensable informations in the selection of eligible atrial septal defects, evaluates the exact size, location and morphology of the defect. In the closure procedure assistance of TEE enables precise determination of device size, correct placement of the device and immediate and follow-up closure results assessment. The present prospective study was performed in order to investigate the value of both approaches--TTE and TEE in the intermediate-term follow-up. Before, during transcatheter defect closure and in the follow-up echocardiography studies [TTE and TEE] were performed in 33 adult patients with secundum atrial septal defect with fulfilled TEE criteria. Correct placement of the device without interference with surrounding structures under TEE monitoring was possible in all patients. Immediate complete closure was achieved in 49% of patients, after 3 months in 94%. TEE findings corresponded well with TTE. In the follow-up echocardiographic signs of right ventricle overload retreated. Results indicate that TEE provides valued data for the selection and closure procedure. TTE is a sufficient reliable approach for results evaluation in intermediate follow-up. Echocardiography plays crucial role in the safety and efficacy assessment of transcatheter treatment of secundum atrial septal defect.
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