Objectives: Dopamine has been implicated in the etiology of bipolar disorder. The aim of this study was to explore striatal dopamine transporter (DAT) availability in euthymic bipolar patients.
Methods: Seventeen drug-free euthymic bipolar patients were recruited. The availability of DAT was approximated using single photon emission computed tomography (SPECT) with [99mTc] TRODAT-1.
Results: Compared to the controls, the euthymic bipolar patients had significantly higher availability of striatal DAT.
Conclusions: Even for patients in the euthymic state, the DAT availability is still higher than that of the controls.
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| http://dx.doi.org/10.1111/j.1399-5618.2009.00771.x | DOI Listing |
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