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Perioperative myocardial perfusion scintigraphy at rest with technetium 99m methoxyisobutylisonitrile before and after coronary bypass operations
European Journal of Nuclear Medicine
Eighteen patients were examined at rest by technetium 99m methoxyisobutylisonitrile (99mTc-MIBI) myocardial scintigraphy 1 day before and 1 week after aorto-coronary bypass operation with planar and single photon emission tomography (SPET) imaging. One day postoperatively, a planar scintigraph in the intensive care unit (ICU) was done. Inter-observer variability was 3.8% for all examinations and for SPET alone, 3.9%. The quality of the planar images taken under emergency conditions in the ICU was quite comparable with those taken under routine conditions. The postoperative myocardial infarction in a patient who died 6 days later could clearly be demonstrated. In 16.2% of all segments which were hypoperfused at rest on preoperative scintigraphy, an amelioration of perfusion could be shown in the 1st week after the bypass operation. 99mTc-MIBI proved to be a useful agent to assess perioperative perfusion, in the ICU as well as under standard conditions.
Adult Aged Contrast Media *Coronary Artery Bypass Evaluation Studies as Topic Female Heart/*radionuclide imaging Humans Intensive Care Units Male Middle Aged Myocardial Infarction/radionuclide imaging Nitriles/*diagnostic use Organotechnetium Compounds/*diagnostic use Postoperative Complications/radionuclide imaging Preoperative Care Technetium Tc 99m Sestamibi *Tomography, Emission-Computed, Single-Photon
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