Extended Outcomes of Complex Coronary Disease in the Drug Eluting Stent Era

Kevin P Desrosiers, Jeremiah R Brown, Craig A Langner, Mandeep S Sidhu, John F Robb, Michael J Hearne, Peter M Ver Lee, Mirle A Kellett, Thomas J Ryan, Jr, John R O'Meara, Harold L Dauerman, M Theodore Silver, Craig A Thompson, David J Malenka

Abstract


Background: Several randomized trials comparing bare-metal stents to Drug-Eluting Stents (DES) have demonstrated a significant reduction in Target Vessel Revascularization (TVR) and Target Lesion Revascularization (TLR) exists with the use of drug-eluting stents, without compromising survival. These conclusions are based on restricted inclusion criteria for patients and lesion. It is unknown if these results can be generalized to an unselected patient population and more complex disease. The objective of this study was to determine to what extent the availability of DES has impacted survival, TVR, and TLR in a large regional experience without the restriction of on-label indications.

Methods: Patients registered with the Northern New England Cardiovascular Disease Study Group’s PCI registry with single vessel coronary disease undergoing a first PCI were sorted according to the Bare-Metal stent (BMS) era (2001 - 2002) or the Drug-Eluting stent (DES) era (2004 - 2005) based on the time period their first PCI took place. Totally, 6,093 BMS and 5,651 DES patients were identified. Outcomes of survival, TLR and TVR were measured after one year.

Results: After 1 year, survival was comparable, TLR was reduced by 4.9% (absolute) and TVR was reduced by 5.4% (absolute) in the DES era compared to the BMS era. The TLR/TVR differences remained significant after propensity matching in the DES era vs BMS era (Mortality: HR 1.00, 95% CI: 0.83 - 1.28; TLR: HR 0.40, 95% CI 0.32 - 0.46; TVR: HR 0.44, 95% CI 0.38 - 0.51).

Conclusions: In large regional experience with a consecutive series of patients representing the contemporary practice of PCI, including both on and off label use, the frequent use of DES reduces the risk of TVR and TLR without compromising survival.




Cardiol Res. 2011;2(3):97-105
doi: https://doi.org/10.4021/cr38w

Keywords


Stent; Sirolimus; Paclitaxel; Revascularization; Restenosis

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