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Efficacy and safety of early coronary stenting for unstable angina
K Shimada1, T Kawarabayashi, R Komatsu
1Department of Cardiology, Baba Memorial Hospital, Osaka, Japan.
Insights
Early coronary stenting for unstable angina is effective and safe. This approach reduced hospital stays without compromising clinical success rates or increasing adverse events in patients with unstable angina.
Area of Science:
- Cardiology
- Interventional Cardiology
Background:
- Unstable angina requires prompt and effective treatment.
- The optimal timing for coronary stenting in unstable angina remains a subject of investigation.
Purpose of the Study:
- To evaluate the efficacy and safety of early versus delayed coronary stenting in patients presenting with unstable angina.
- To compare clinical outcomes and procedural success rates between early and delayed stenting groups.
Main Methods:
- A study of 91 consecutive patients with unstable angina was conducted.
- Patients were divided into two groups: early stenting (within 72 hours of admission) and delayed stenting (72 hours or more after admission).
- Clinical and angiographic follow-up was performed for 6 months.
Main Results:
- The early stenting group experienced a significantly shorter hospital stay (9.7 days vs. 18.7 days).
- Higher maximum balloon pressure was noted in the early stenting group (14.1 vs. 12.6).
- Both groups demonstrated similar clinical success rates (90.0% vs. 93.5%) with no significant differences in adverse events like abrupt closure, thrombosis, death, myocardial infarction, or need for bypass surgery.
Conclusions:
- Early coronary stenting is a safe and effective strategy for managing unstable angina.
- This intervention can lead to reduced hospital length of stay without compromising patient outcomes.
Abstract:
To determine the efficacy and safety of early coronary stenting for unstable angina, we studied 91 consecutive patients with unstable angina. Thirty-one patients underwent stenting 72 h or more after admission, and another 60 patients underwent stenting within 72 h of admission. The clinical and angiographic follow-up had been done for 6 mo. There were no differences between the baseline clinical and angiographic characteristics of both groups. The maximum balloon pressure was higher (14.1 +/- 1.2 vs. 12.6 +/- 0.9, P < 0.01) and the hospital stay was shorter (9.7 +/- 2.7 vs. 18.7 +/- 5.8 d, P < 0.0001) in the early stenting group. These two groups were similar in the clinical success rate (90.0% vs. 93.5%), without any abrupt closure, subacute thrombosis, death, myocardial infarction, or coronary bypass surgery. These findings indicate that early stenting can be useful in patients with unstable angina.