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Percutaneous transluminal coronary angioplasty for acute myocardial infarction
H Kitazume1, T Iwama, Y Ageishi
1Department of Internal Medicine, Bokuto Hospital, Tokyo, Japan.
Insights
Direct coronary angioplasty achieved a 96% success rate in community hospitals. Repeat procedures ensured high long-term patency, indicating effectiveness for treating chest pain.
Area of Science:
- Cardiology
- Interventional Cardiology
Background:
- Direct coronary angioplasty is a critical intervention for acute chest pain.
- Assessing the efficacy and safety of this procedure in community settings is essential.
Purpose of the Study:
- To evaluate the primary success rate, complication profile, and long-term outcomes of direct coronary angioplasty.
- To determine the reocclusion and final patency rates following the procedure.
Main Methods:
- A retrospective analysis of 79 patients undergoing direct coronary angioplasty between 1986 and 1991.
- Assessment of procedural success, complications, reperfusion times, and angiographic follow-up including predischarge and post-discharge assessments.
- Evaluation of repeat angioplasty outcomes for patients with persistent stenosis or occlusion.
Main Results:
- The procedure had a 96% primary success rate (76/79 patients).
- Major complications occurred in 1 patient (ventricular fibrillation and cardiogenic shock).
- While primary patency was 57% at follow-up, repeat angioplasty led to 91% final patency.
Conclusions:
- Direct coronary angioplasty is a safe and effective treatment in community hospitals.
- High rates of final patency can be achieved through repeat interventions, minimizing long-term reocclusion.
- The procedure offers a viable option for managing acute chest pain with favorable long-term results.
Abstract:
Between 1986 and 1991, direct coronary angioplasty was attempted in 79 patients. The procedure was successful in 76 patients (96%), unsuccessful without complications in 2 patients, and major complications occurred in 1 patient (ventricular fibrillation and cardiogenic shock). Reperfusion was obtained from 1 to 7.5 hours (mean: 3.3 +/- 1.3 hours) after the onset of chest pain. Among the 76 successfully dilated patients, there was one cardiac death and 68 had predischarge angiography (64 patent, 2 stenosed, and 2 occluded). Although only 33 of the 58 patients (57%) angiographically followed after discharge showed persistence of primary patency, 52 of the 57 (91%) followed further obtained final patency when angioplasty was repeated up to 4 times. These results indicate that direct angioplasty in the community hospital setting can achieve a high primary success rate and a low reocclusion rate.