Diagnostic Value of Postmortem CT Angiography in Coronary Atherosclerosis / 法医学杂志

ABSTRACT

Objective T o explore the application value of postm ortem com puted tom ography (C T ) an-giography on diagnosis of coronary atherosclerotic stenosis degree. Methods B ased on the previous ex-perim ental results, the postm ortem C T angiography device of hum an isolated heart w as im proved. D iffer-ent coronary atherosclerotic stenosis degree of sudden death cases w as selected. B efore the cardiac anatom y, hearts w ere rem oved out com pletely and C T angiography w as perform ed im m ediately. T he C T angiography results w ere com pared w ith histopathological findings. M eanw hile, the advantages and disad-vantages of the angiography device before and after im provem ent w ere com pared. Results T he im proved angiography device of isolated heart could get better im aging results. T he postm ortem C T angiography results had high consistency w ith the histopathological findings on diagnosis of coronary atherosclerotic stenosis degree. A nd the coronary artery lesions could be revealed m ore objectively and vividly by 3D reconstruction technology. H ow ever, C T angiography could only be used to exam ine the pathological changes of blood vessels, w hich m ight have som e lim itations on the diagnosis of cause of death. Con-clusion Postm ortem C T angiography can be used as an additional m ethod for the conventional autopsy in the cases of coronary atherosclerosis.