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- W2419214507 abstract "The aim of the present study was to characterise the morphology of patent foramen ovale (PFO) by a standardised protocol during transoesophageal echocardiography and to estimate the final and successful position of PFO-occluding devices (PFO-Star) by evaluation of parameters determined by echocardiography. The echoacardiographic parameters of septum- and PFO-morphology determined before the intervention were analysed with regard to choosing the optimal device-system for transcatheter PFO-closure.Transoesophageal echocardiography combined with application of contrast-media was performed in 31 patients before, during and after PFO-closure by using the PFO-Star-Device. The pre-interventional morphological parameters were compared with the result after PFO-closure.Quantitative contrast-bubble-shunting, PFO-channel-length and Vena contracta detected by colour flow Doppler do not show any correlation. PFO-channel-length in cases with small angles between aorta and septum seems to be associated with higher risk of clinically irrelevant device-shift as well as residual shunt.A standardised procedure in transoesophageal echocardiography is suitable for characterising the morphology of PFO. Neither the morphology in 2D-imaging nor the amount of shunt microbubble seen in the left atrium allows a conclusive statement about the PFO size. For obtaining an optimal closure result, it is important to identify the channel-length and the distance between the interatrial septum and the PFO together with the angles between septum and the surrounding intracardiac structures." @default.
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- W2419214507 date "2006-08-25" @default.
- W2419214507 modified "2023-10-18" @default.
- W2419214507 title "Beeinflussen Befunde der transösophagealen Echokardiographie bei katheterinterventionellem PFO-Verschluss die Therapie?" @default.
- W2419214507 doi "https://doi.org/10.1055/s-2006-926808" @default.
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