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Int J Cardiol. 2007 Sep 3;120(3):387-90. Epub 2007 Feb 8.

Comparison of angiographic patterns of in-stent restenosis between sirolimus- and paclitaxel-eluting stent.

Author information

1
Department of Internal Medicine, Seoul Veterans Hospital, Seoul, South Korea. sjpark@amc.seoul.kr

Abstract

BACKGROUND:

Angiographic pattern of in-stent restenosis (ISR) after drug-eluting stent (DES) implantation was known to be different to that after bare metal stent (BMS) implantation. But the different angiographic patterns of ISR and its prognosis between sirolimus-eluting stent (SES) and paclitaxel-eluting stent (PES) has not been properly addressed in large scale studies.

OBJECTIVES AND METHODS:

We evaluated the angiographic pattern of ISR and their subsequent clinical outcomes in 177 ISR lesions of 163 consecutive patients previously treated with SES (n=97) or PES (n=80) from February 2003 to April 2005.

RESULTS:

In angiographic ISR pattern, diffuse ISR was more common in PES implantation (SES vs PES; 23.7% vs 48.7%, p=0.001) mainly because of higher incidence of diffuse intrastent ISR (8.2% vs 33.8%, p<0.001, respectively) whereas focal ISR was more common in SES implantation (76.3% vs 51.3%, p=0.001, respectively) mainly because of higher incidence of focal margin ISR (27.8% vs 2.5%, p<0.001, respectively). Among 177 ISR lesions, clinically driven target lesion revascularization (TLR) was performed in 53.6% in SES implantation and 56.3% in PES implantation (p=0.725).

CONCLUSION:

Angiographic pattern of ISR differed after SES and PES implantation, but their subsequent TLR rate was similar to both types of DES.

PMID:
17291608
DOI:
10.1016/j.ijcard.2006.10.014
[Indexed for MEDLINE]

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