Leukocyte SPECT/CT for detecting infection of left-ventricular-assist devices: Preliminary results

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Abstract

We report our experience with using integrated molecular and anatomic hybrid imaging to assess infection in patients who have a left-ventricular- assist device (LVAD). Methods: Thirteen99mTc-exametazime-leukocyte planar and SPECT/CT scans were obtained for 8 consecutive patients who had an implanted LVAD. SPECT/CT was used to assess suspected device-related infections (n = 8) and to evaluate the efficiency of current antibiotic therapy (n = 5). Results: Device-related infection was seen on 8 of the 13 scans. SPECT/CT was positive for infection in all 8 patients, whereas planar scans were positive in6of8.SPECT/CT provided relevant information on the extent of infection and its exact location in all patients. Additional distant infectious foci were demonstrated in 3 of 13 patients. Conclusion: SPECT/CT led to an accurate diagnosis of LVAD-related infection, revealing both anatomic location and extent. This noninvasive approach could lead to improved therapeutic strategies. COPYRIGHT © 2010 by the Society of Nuclear Medicine, Inc.

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Litzler, P. Y., Manrique, A., Etienne, M., Salles, A., Edet-Sanson, A., Vera, P., … Hitzel, A. (2010). Leukocyte SPECT/CT for detecting infection of left-ventricular-assist devices: Preliminary results. Journal of Nuclear Medicine, 51(7), 1044–1048. https://doi.org/10.2967/jnumed.109.070664

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