[Stress perfusion tomography of the myocardium using the 201 thallium isotope in cardiac surgery--evaluation of initial results].

Initial results of evaluation of scintigraphic examinations by means of the isotope 201thallium indicate the importance of this method in cardiosurgery, in particular in the postoperative evaluation of the effect of bypass operations. In patients with an objective improvement on the postoperative scintigrams also subjective improvement of the condition was recorded.