Abstract:
:99mTc-PYP myocardial scintigrams represent a means to detect and localize acute myocardial necrosis. These scintigrams are expected to be abnormal with acute myocardial infarcts of at least 3 grams in weight if serial imaging is utilized and proper attention to technique is provided. Any etiology of myocardial necrosis may produce abnormal 99mTc-PYP scintigrams if the damage is relatively localized and includes at least 3 grams of tissue. It is possible to accurately size acute anterior and anterolateral transmural myocardial infarcts using area or 2 dimensional measurements. Further development in imaging cameras and computer techniques allowing three dimensional reconstruction of myocardial infarcts with this and similar imaging techniques may allow relatively precise quantitation of other types of myocardial infarcts. The "doughnut" and "persistently abnormal" 99mTc-PYP scintigrams appear to have anatomic and prognostic significance at least in subsets of patients studied, but larger numbers of individuals need to be evaluated before final conclusions regarding their ultimate prognostic significance can be reached.
journal_name
Semin Nucl Medjournal_title
Seminars in nuclear medicineauthors
Willerson JT,Parkey RW,Bonte FJ,Lewis SE,Corbett J,Buja LMdoi
10.1016/s0001-2998(80)80029-8subject
Has Abstractpub_date
1980-01-01 00:00:00pages
54-69issue
1eissn
0001-2998issn
1558-4623pii
S0001-2998(80)80029-8journal_volume
10pub_type
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