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Multicenter Study
. 2017 Apr 1;38(13):974-982.
doi: 10.1093/eurheartj/ehx008.

Performance of hospitals according to the ESC ACCA quality indicators and 30-day mortality for acute myocardial infarction: national cohort study using the United Kingdom Myocardial Ischaemia National Audit Project (MINAP) register

Owen Bebb  1   2 , Marlous Hall  1 , Keith A A Fox  3 , Tatendashe B Dondo  1 , Adam Timmis  4 , Hector Bueno  5   6   7 , François Schiele  8 , Chris P Gale  1   2
Affiliations
Multicenter Study

Performance of hospitals according to the ESC ACCA quality indicators and 30-day mortality for acute myocardial infarction: national cohort study using the United Kingdom Myocardial Ischaemia National Audit Project (MINAP) register

Owen Bebb et al. Eur Heart J. .

Abstract

Aims: To investigate the application of the European Society of Cardiology Acute Cardiovascular Care Association quality indicators (QI) for acute myocardial infarction for the study of hospital performance and 30-day mortality.

Methods and results: National cohort study (n = 118,075 patients, n = 211 hospitals, MINAP registry), 2012-13. Overall, 16 of the 20 QIs could be calculated. Eleven QIs had a significant inverse association with GRACE risk adjusted 30-day mortality (all P < 0.005). The association with the greatest magnitude was high attainment of the composite opportunity-based QI (80-100%) vs. zero attainment (odds ratio 0.04, 95% confidence interval 0.04-0.05, P < 0.001), increasing attainment from low (0.42, 0.37- 0.49, P < 0.001) to intermediate (0.15, 0.13-0.16, P < 0.001) was significantly associated with a reduced risk of 30-day mortality. A 1% increase in attainment of this QI was associated with a 3% reduction in 30-day mortality (0.97, 0.97-0.97, P < 0.001). The QI with the widest hospital variation was 'fondaparinux received among NSTEMI' (interquartile range 84.7%) and least variation 'centre organisation' (0.0%), with seven QIs depicting minimal variation (<11%). GRACE risk score adjusted 30-day mortality varied by hospital (median 6.7%, interquartile range 5.4-7.9%).

Conclusions: Eleven QIs were significantly inversely associated with 30-day mortality. Increasing patient attainment of the composite quality indicator was the most powerful predictor; a 1% increase in attainment represented a 3% decrease in 30-day standardised mortality. The ESC QIs for acute myocardial infarction are applicable in a large health system and have the potential to improve care and reduce unwarranted variation in death from acute myocardial infarction.

Keywords: Acute myocardial infarction; Hospital performance; Mortality; Quality indicators.

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Figures

Figure 1
Figure 1
Distribution of hospitals’ performance according to the European Society Cardiology; Acute Cardiovascular Care Association quality indicators for acute myocardial infarction.
Figure 2
Figure 2
Caterpillar plot of hospital rank of hospital mean unadjusted and mean GRACE risk score adjusted hospital 30-day mortality rates.
Figure 3
Figure 3
Scatter matrix of European Society Cardiology; Acute Cardiovascular Care Association quality indicators for acute myocardial infarction showing pairwise correlations of all quality indicator pairs, presented alongside Spearman’s rank correlation coefficient (where * indicates P < 0.05, ** P < 0.01, ***P < 0.001).
Figure 4
Figure 4
Association between the European Society Cardiology; Acute Cardiovascular Care Association quality indicators for acute myocardial infarction and crude 30-day mortality. The composite opportunity QI was divided into the following categories: zero–received no interventions out of those eligible for, low–received <40% of interventions eligible for, intermediate–received ≥40 to <80% of interventions eligible for and high–received ≥80% of interventions eligible for.
See this image and copyright information in PMC

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