Right-to-left-shunts detected by transesophageal echocardiography and transcranial Doppler sonography.

@article{Droste2004RighttoleftshuntsDB,
  title={Right-to-left-shunts detected by transesophageal echocardiography and transcranial Doppler sonography.},
  author={Dirk Wolfgang Droste and Carsten Schmidt-Rimpler and Thomas Wichter and R Dittrich and Martin Ritter and J{\"o}rg Stypmann and E. Bernd Ringelstein},
  journal={Cerebrovascular diseases},
  year={2004},
  volume={17 2-3},
  pages={191-6}
}
BACKGROUND Transesophageal echocardiography (TEE) and transcranial Doppler sonography (TCD) can identify right-to-left-shunts that predispose to paradoxical embolism. In a large cohort we compared the results of both techniques. METHODS 222 patients were investigated by both techniques using the contrast agent Echovist-300 and performing each test once without and once with the Valsalva maneuver (VM). RESULTS TEE-proven right-to-left-shunts were detected by TCD with a high sensitivity of 94… CONTINUE READING
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