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Late catch-up in lumen diameter at five-year angiography in MACE-free patients treated with sirolimus-eluting stents in the Primary Stenting of Totally Occluded Native Coronary Arteries: a randomised comparison of bare metal stent implantation with sirolimus-eluting stent implantation for the treatment of total coronary occlusions (PRISON II).

AbstractAIMS:
The present study was designed to examine the five-year angiographic follow-up of MACE-free patients enrolled in the PRISON II study.
METHODS AND RESULTS:
In the PRISON II study a total of 200 patients were randomised to either bare metal stents (BMS) or sirolimus-eluting stents (SES) after successful recanalisation of total coronary occlusions (TCO). Patients free of MACE with available angiography at six months were approached for repeated angiography at five years. The primary endpoint was in-stent very late luminal loss (VLLL) at five years. The secondary endpoint was additional late luminal loss (ALLL) between six months and five years. At five years, repeated angiography was performed in 72 patients, 50/82 (61%) in the SES group and 22/58 (38%) in the BMS group. In-stent VLLL was lower in the SES group (0.19 mm ± 0.72 vs. 0.51 mm ± 0.71, p=0.09) compared to the BMS group and in-segment VLLL was comparable in both groups (0.01 mm±0.58 vs. 0.03 mm ± 0.73, p=0.89). Late catch-up in lumen diameter was observed in the SES group with a trend towards increased ALLL compared to the BMS group (in-stent, 0.35 mm ± 0.88 vs. 0.04 mm ± 0.81, p=0.16; in-segment, 0.20 mm ± 0.74 vs. -0.05 mm ± 0.73, p=0.19).
CONCLUSIONS:
At five-year angiographic follow-up, late catch-up was observed after successful recanalisation of TCOs treated with SES. Despite a late catch-up, the angiographic results of SES were superior in-stent and similar in-segment compared to BMS.
AuthorsKoen Teeuwen, Ben J L Van den Branden, Braim M Rahel, Gerrit J Laarman, Jan G P Tijssen, Johannes C Kelder, Ton Slagboom, Juriën M Ten Berg, Maarten J Suttorp
JournalEuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology (EuroIntervention) Vol. 9 Issue 2 Pg. 212-9 (Jun 22 2013) ISSN: 1969-6213 [Electronic] France
PMID23392450 (Publication Type: Comparative Study, Journal Article, Multicenter Study, Randomized Controlled Trial, Research Support, Non-U.S. Gov't)
Chemical References
  • Cardiovascular Agents
  • Metals
  • Sirolimus
Topics
  • Adult
  • Aged
  • Cardiovascular Agents (administration & dosage)
  • Coronary Angiography
  • Coronary Occlusion (diagnostic imaging, therapy)
  • Coronary Restenosis (diagnostic imaging, etiology, prevention & control)
  • Coronary Vessels (diagnostic imaging)
  • Drug-Eluting Stents
  • Female
  • Humans
  • Male
  • Metals
  • Middle Aged
  • Netherlands
  • Percutaneous Coronary Intervention (adverse effects, instrumentation)
  • Predictive Value of Tests
  • Prosthesis Design
  • Sirolimus (administration & dosage)
  • Stents
  • Time Factors
  • Treatment Outcome

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