Primary percutaneous thrombus aspiration alone as definitive intervention for left main coronary artery occlusion presenting as acute anterior wall ST elevation myocardial infarction
Kalaichelvan Udayakumaran1, Vijayakumar Subban1, Balaji Pakshirajan1
1Department of Cardiology, Institute of Cardiovascular Diseases, Madras Medical Mission, Chennai, India.
Insights
Thrombus aspiration alone may be sufficient for treating ST-segment elevation myocardial infarction (STEMI) in select patients. This approach can lead to improved heart function and avoid the need for stenting, showing promising outcomes.
Area of Science:
- Cardiology
- Interventional Cardiology
- Acute Myocardial Infarction Research
Background:
- Primary angioplasty with stenting is the standard treatment for ST-segment elevation myocardial infarction (STEMI).
- Thrombus aspiration has emerged as a valuable adjunct, improving myocardial perfusion and patient outcomes in STEMI.
- Some STEMI patients achieve optimal perfusion and minimal residual stenosis after thrombus aspiration, potentially obviating the need for stenting.
Purpose of the Study:
- To evaluate the feasibility and efficacy of managing anterior wall STEMI patients with thrombus aspiration alone, without additional stenting.
- To assess short-term outcomes, including myocardial perfusion and left ventricular function, in patients treated with this conservative approach.
Main Methods:
- Case series of three patients presenting with anterior wall STEMI.
- Successful management using thrombus aspiration as the sole intervention.
- Follow-up assessment at 30 days, including evaluation of left ventricular ejection fraction.
Main Results:
- All three patients with anterior wall STEMI were successfully treated with thrombus aspiration alone.
- No additional stenting was required in any of the cases.
- At 30-day follow-up, all patients demonstrated significant improvement in left ventricular ejection fraction.
Conclusions:
- Thrombus aspiration alone can be a safe and effective strategy for selected anterior wall STEMI patients.
- This approach may lead to favorable short-term recovery of left ventricular function.
- Avoiding stenting in these cases could potentially reduce complications and healthcare costs.
Abstract:
Primary angioplasty and stenting remains the standard of care for patients presenting with acute ST-segment elevation myocardial infarction. Recently, thrombus aspiration has been shown to improve the myocardial perfusion and outcomes in STEMI. In a subset of patients thrombus aspiration may result in optimal perfusion and minimal residual stenosis. These patients may be managed without additional stenting. Three patients with anterior wall STEMI were successfully managed with thrombus aspiration alone without additional stenting. All three are doing well at 30 day follow up with significant improvement in left ventricular ejection fraction.
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