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Kaku Igaku ; 45(1): 1-7, 2008 Feb.
Article in Japanese | MEDLINE | ID: mdl-19598334

ABSTRACT

Generally a right-to-left shunt index in pulmonary area was calculated from total body and pulmonary area by scintillations count using 9mTc-MAA pulmonary perfusion scintigraphy. In this study, we devised a newly calculation method for right-to-left shunt index in pulmonary area from 9mTc-MAA pulmonary perfusion scintigraphy by first-pass dynamic data. We compared the proposed method with the conventional method in 26 patients (9 men and 17 women; 3-26 years old): 23 patients with congenital biliary atresia (CBA) post operation and the other 3 patients with right-to-left shunt from hepatopulmonary syndrome. As a result, there was a positive correlation of the index values between the proposed method and the conventional method (r = 0.929). Thus, the present method should be clinically useful.


Subject(s)
Biliary Atresia/diagnostic imaging , Hepatopulmonary Syndrome/diagnostic imaging , Pulmonary Circulation , Radiopharmaceuticals , Technetium Tc 99m Aggregated Albumin , Adolescent , Adult , Child , Child, Preschool , Female , Humans , Male , Radionuclide Imaging
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