Please use this identifier to cite or link to this item:
Title: Trends in door-to-balloon time and outcomes following primary percutaneous coronary intervention for ST-elevation myocardial infarction: an Australian perspective.
Authors: Brennan, A. L.
Andrianopoulos, N.
Duffy, S. J.
Reid, C. M.
Clark, D. J.
Loane, P.
New, G.
Black, A.
Yan, B. P.
Brooks, M.
Roberts, L.
Carroll, E. A.
Lefkovits, J.
Ajani, A. E.
Institutional Author: Melbourne Interventional Group Investigators
Issue Date: 2014
Publisher: Wiley
Publication Title: Internal Medicine Journal
Volume: 44
Issue: 5
Start Page: 471
End Page: 477
Abstract: Background: Guidelines for patients with ST-elevation myocardial infarction include a door-to-balloon time (DTBT) of ≤90 min for primary percutaneous coronary intervention. Aim: The aim of this study was to assess temporal trends (2006–2010) in DTBT and determine if a reduction in DTBT was associated with improved clinical outcomes. Methods: We compared annual median DTBT in 1926 STEMI patients undergoing primary percutaneous coronary intervention from the Melbourne Interventional Group registry. ST-elevation myocardial infarction presenting >12 h and rescue percutaneous coronary intervention was excluded. Major adverse cardiac events were analysed according to DTBT (dichotomised as ≤90 min vs >90 min). A multivariable analysis for predictors of mortality (including DTBT) was performed. Results: Baseline demographics, clinical and procedural characteristics were similar in the STEMI cohort across the 5 years, apart from an increase in out-of-hospital cardiac arrest (3.6% in 2006 vs 9.4% in 2010, P < 0.0001) and cardiogenic shock (7.7–9.6%, P = 0.07). The median DTBT (interquartile range) was reduced from 95 (74–130) min in 2006 to 75 (51–100) min in 2010 (P < 0.01). In this period, the proportion of patients achieving a DTBT of ≤90 min increased from 45% to 67% (P < 0.01). Lower mortality and major adverse cardiac event rates were observed with DTBT ≤90 min (all P < 0.01). Multivariable analysis showed that a DTBT of ≤90 min was associated with improved clinical outcomes at 12 months (odds ratio 0.48; 95% confidence interval 0.33–0.73, P < 0.01). Conclusion: There has been a decline in median DTBT in the Melbourne Interventional Group registry over 5 years. DTBT of ≤90 min is associated with improved clinical outcomes at 12 months.
Resource Link:
ISSN: 1444-0903
Internal ID Number: 00643
Type: Journal Article
Appears in Collections:Research Output

Files in This Item:
There are no files associated with this item.

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.