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Stent Fracture without Restenosis after Short Cypher Stent Implantation
- Operator: Seung-Jung Park, MD, PhD, Korea
Case Presentation
A 67-year old male was presented with effort chest pain for 3 months. Risk factors included hypertension and hypercholesterolemia. Echocardigraphic examination was normal and treadmill test was positive at stage 3.
Baseline Coronary Angiography
The diagnostic coronary angiography revealed a severe stenosis in the proximal segment of right coronary artery (Figure 1). Left coronary angiography was normal.
Index Procedure
A 7F Judkins guiding catheter was engaged at the ostium of the RCA. A Floppy guidewire was placed into the RCA. The lesion was predilated with a 2.5 x 20 mm conventional balloon at 10 atm (Figure 2). After predilatation, the lesion was stented with a 3.0 x 13 mm sirolimus-eluting stent at 20 atm (Figure 3). After stent implantation, adjunctive high pressure dilatation with a 3.5 x 9 mm balloon at 16 atm was performed for angiographic optimization. Final angiography showed well deployed stent without residual stenosis or dissection and the presence of TIMI 3 flow (Figure 4).
Six-month follow-up angiography showed that the stent was completely fractured at the point of stent shaft. However, both the stent-covered and fracture sites were patent (Figure 5 , Figure 6).
Yun-Dai Chen2004-02-02
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