Coronary occlusion during coronary angiography

Area of Science:

• Cardiology
• Interventional Cardiology
• Vascular Surgery

Background:

• Coronary arteriography is a diagnostic procedure to visualize coronary arteries.
• Complications such as acute coronary dissection or embolization can occur during the procedure.
• Different techniques may have varying complication rates.

Purpose of the Study:

• To determine the incidence of acute coronary dissections and embolizations during coronary arteriography.
• To compare the complication rates of the Sones and Judkins techniques.
• To evaluate the outcomes of patients experiencing acute coronary events during arteriography.

Main Methods:

• Retrospective analysis of 2981 patients undergoing coronary arteriography between 1970 and 1974.
• Categorization of complications by type (dissection, embolization, occlusion) and associated technique (Sones, Judkins).
• Review of patient management and outcomes for those with acute coronary events.

Main Results:

• An overall incidence of 0.4% for acute coronary dissections or embolizations was observed.
• The Sones technique had a 0.19% acute occlusion rate, while the Judkins technique had an 0.88% rate.
• No acute occlusions were reported in the final 490 Judkins procedures; however, 8 patients with dissections/emboli treated medically developed myocardial infarction.

Conclusions:

• The Judkins technique demonstrated a lower incidence of acute occlusion compared to the Sones technique during the study period.
• While medical management of dissections/emboli led to survival, myocardial infarction was a common sequela.
• Emergency bypass grafting for severe complications resulted in transmural myocardial infarctions despite timely intervention.