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[Anatomic reconstruction of native coronary arteries and vein graft with less shortening wallstent]
L F Pinheiro1, W Pimentel Filho, W A de Oliveira
1Hospital da Beneficència Portuguesa, São Paulo.
Insights
Wallstent implantation shows a high success rate for treating long or multiple coronary lesions. Further studies are needed to confirm long-term angiographic outcomes for this interventional cardiology procedure.
Area of Science:
- Interventional Cardiology
- Vascular Surgery
Context:
- Coronary artery disease management
- Treatment of complex lesions (long or multiple)
- Vascular stenting techniques
Purpose:
- Evaluate the efficacy and advantage of Wallstent implantation
- Assess success rates in treating challenging coronary lesions
- Explore a new technique involving high-pressure balloon inflations
Summary:
- Thirty-eight patients (mean age 66) underwent Wallstent implantation for coronary lesions.
- Successful implantation achieved in 95% of cases; two failures managed with conventional angioplasty.
- The technique requires precise vessel diameter measurement and a stent 1.5 mm larger than the vessel.
Impact:
- Demonstrates high initial success rate for Wallstent in complex coronary lesions.
- Highlights the importance of accurate stent sizing and implantation technique.
- Identifies the need for further research into long-term angiographic results and clinical impact.
Purpose:
To evaluate the advantage of the wallstent in the treatment of long or multiple lesions.
Methods:
Thirty eight patients with mean age 66 years underwent wallstent implantation. Fourteen had lesions in the left anterior descending, 12 in the right coronary, nine in the circumflex and four in a vein graft. The technique for implantation requires an accurate quantification of the vessel diameter, because the chosen stent should be 1.5 mm larger than the target vessel. A new technique using additional inflations with high pressure balloons was applied.
Results:
Successful implantation occurred in 95%. We did not have success in two patients. One of them due to damage in the stent and the other to unsuccessful liberation. Both patients were submitted to conventional angioplasty without complications.
Conclusion:
The wallstent implantation can be successfully performed with high success rate, but late angiographic results still demand further studies.