Risk-adjusted early invasive strategy in patients with non-ST-segment elevation acute coronary syndrome in Intensive
I Llaó1, J A Gómez-Hospital2, J Aboal3
1Unidad de Cuidados Intensivos Cardiológicos, Servicio de Cardiología, Hospital Universitari de Bellvitge, IDIBELL, L'Hospitalet de Llobregat, Barcelona, España.
Objective:
Current guidelines recommend a risk-adjusted early invasive strategy (EIS) in patients with non-ST-segment elevation acute coronary syndrome (NSTEACS). The present study assesses the application if this strategy, the conditioning factors and prognostic impact upon patients with NSTEACS admitted to Intensive Cardiac Care Units (ICCU).
Design:
A prospective cohort study was carried out.
Setting:
The ICCUs of 8 hospitals in Catalonia (Spain).
Patients:
Consecutive patients with NSTEACS between October 2017 and March 2018. The risk profile was defined by the European Society of Cardiology criteria.
Interventions:
EIS was defined as the performance of coronary angiography within the first 6hours in patients at very high-risk or within 24hours in high-risk patients.
Outcome Variables:
Mortality or readmission at 6 months.
Results:
A total of 629 patients were included (mean age 66.6 years), of whom 225 (35.9%) were at very high risk, and 392 (62.6%) at high risk. Most patients (96.2%) underwent an invasive strategy. EIS was performed in 284 patients (45.6%), especially younger patients with fewer comorbidities. These patients had a shorter ICCU and hospital stay, as well as a lesser incidence of ACS, revascularization and death or readmission at 6 months. After adjusting for confounders, the association between EIS and death or readmission at 6 months remained significant (hazard ratio: .66, 95% confidence interval .45-.97; P=.035).
Conclusions:
The EIS was performed in a minority of NSTEACS admitted to ICCU, being associated with better outcomes.
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