When 10 microbubbles was used as the embolic cutoff for a positive TCD study, TCD produced a higher specificity compared with when 1 microbubble was used as the cutoff (p = 0.04); there was, however, no significant change in sensitivity (p = 0.29).
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Conclusions TCD is a reliable, noninvasive test with excellent diagnostic accuracies, making it a proficient test for detecting RLS. TCD can be used as a part of the stroke workup and for patients being considered for PFO closure. If knowledge of the precise anatomy is required, then TEE can be obtained before scheduling a patient for transcatheter PFO closure.
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É sempre desconfortável injetar bolhas de ar em um paciente com shunt D-E.
Mas o estudo de 1,968 patients (mean age 47.8 ± 5.7 years; 51% male) revelou segurança e sensibilidade
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A técnica do exame transcraniano é tão simples que mesmo clínicos sem treinamento em ultrassom podem executar após um curso básico.
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