Coronary artery stent implantation is a mechanical interventional therapy. Stent implantation is the most effective way to deal with PTCA acute vascular occlusion. It is to permanently place metal stent in the lesion of coronary artery and support the vessel wall by balloon dilation or self-expansion, so as to maintain the opening of coronary artery lumen and reduce the mortality of acute myocardial infarction.
1. Residual stenosis after percutaneous transluminal coronary angioplasty is still more than 30%.
2. Acute myocardial infarction.
3. Severe intimal tear or acute blockage occurred during percutaneous transluminal coronary angioplasty.
Taboo editors
1. Patients with hemorrhagic diseases and severe liver and kidney dysfunction.
2. unprotected lesions of left main trunk, or distal or bifurcated lesions of left main trunk.
3. Severe diffuse angiopathy of multiple coronary arteries, especially in patients with diabetes mellitus.
4. Patients with left ventricular ejection fraction less than 40%.
5. Small vessel lesions less than 2 mm or lesions with coronary stenosis less than 50%.
6. Patients with myocardial infarction complicated with ventricular aneurysm who need to undergo resection of ventricular aneurysm.
Notes Editor
1. After surgery, you must rest in bed, and remember not to flex or move forcefully.
2. In order to avoid the occurrence of acute stent thrombosis, antiplatelet drugs should be taken regularly and blood should be drawn regularly in order to adjust their dosage.
3. The catheter sheath will be removed 6 hours after operation. The wound should be compressed by the doctor to stop bleeding and pressed with sand bag for 4 hours to prevent bleeding and lie flat for 8 hours.
4. After operation, normal diet can be restored and more water should be drank to help the developer discharge so as to reduce the burden on the kidney.
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