Abstract

Objective: To analyze the imaging effect and accuracy of 64-slice spiral CT in the diagnosis of coronary arterystenosis. Methods: 30 patients with suspected coronary heart disease admitted to our hospital from March 2022 to March 2023 were selected. All patients underwent both 64-slice spiral CT and digital subtraction angiography (DSA). DSA is considered the gold standard for diagnosis, so it was used to analyze the diagnostic performance of 64-slice spiral CT. Results: (1) The diagnostic results of digital subtraction angiography and 64-slice spiral CT was analyzed and compared with each other. The 64-slice spiral CT had an accuracy of 96.67% (29/30), a sensitivity 96.55% (28/29), and a specificity of 100.00% (1/1) in diagnosing coronary artery stenosis. (2) There was no significant difference between 64-slice spiral CT and digital subtraction angiography in the positive detection rate of anterior descending artery lesion, the positive detection rate of left main lesion, the positive detection rate of left circumflex artery lesion and the positive detection rate of right coronary artery lesion (P > 0.05). (3) There was no significant difference between 64-slice spiral CT examination and DSA examination in identifying mild stenosis, moderate stenosis, and severe stenosis of coronary arteries (P > 0.05). Conclusion: 64-slice spiral CT examination can accurately determine the degree of occlusion of coronary arteries, which allows for the accurate diagnosis of coronary artery stenosis.

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