Key result
A higher C-reactive protein to albumin ratio was an independent predictor of infarct-related artery patency in patients with STEMI (OR 0.003; 95% CI 0.001-0.029; P<0.001).
Why the study?
CAR predicts systemic inflammatory state in atherosclerotic coronary disease better than each marker separately, but its relationship with infarct-related artery patency in STEMI required investigation.
Does the C-reactive protein to albumin ratio predict infarct-related artery patency in patients with STEMI?
Observational (n=1,047)
Does the C-reactive protein to albumin ratio predict infarct-related artery patency in patients with STEMI?
Odds Ratio: 0.003 (95% CI 0.001–0.029)
p-value: p=<.001
A higher C-reactive protein to albumin ratio is a significant and independent predictor of impaired infarct-related artery patency (no-reflow) in patients presenting with STEMI.
CAR may aid no-reflow risk stratification in STEMI; hypothesis-generating and should not yet change practice.
The C-reactive protein to albumin ratio (CAR) is a predictive marker of systemic inflammatory state in atherosclerotic coronary disease when compared with the predictive value of these 2 markers separately. We investigated the relationship between CAR and infarct-related artery (IRA) patency in patients with ST-segment elevation myocardial infarction (STEMI). The study population (n = 1047) was divided into 2 groups according to IRA patency which was assessed by the Thrombolysis in Myocardial Infarction (TIMI) flow grade. Nonpatent flow was defined as TIMI grade 0 (no-reflow), 1, and 2 flows, and normal flow was defined as TIMI 3 flow. There was a significant positive correlation between CAR and SYNTAX score ( r = 0.312, P < .001) and a negative correlation between CAR and TIMI grade flow ( r = −0.210, P < .001). At a cutoff level of 0.693, the CAR predicted TIMI no-reflow with a sensitivity of 65.4% and a specificity of 65.5% (area under the curve: 0.670, 95% CI: 0.62-0.71, P < .001). Multivariate logistic regression analyses showed that CAR was an independent predictor of IRA patency (0.003 [0.001-0.029]; P < .001). A higher CAR is a significant and independent predictor of IRA patency in patients with STEMI.
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Yayla et al. (2021) conducted an observational in ST-segment elevation myocardial infarction (STEMI) (n=1,047). C-reactive protein to albumin ratio (CAR) was evaluated on Infarct-related artery (IRA) patency (OR 0.003, 95% CI 0.001-0.029, p=<.001). A higher C-reactive protein to albumin ratio was an independent predictor of infarct-related artery patency in patients with STEMI (OR 0.003; 95% CI 0.001-0.029; P<0.001).
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