Key result
Admission glycaemia ≥ 8.75 mmol/L was associated with a significantly higher risk of failed myocardial tissue reperfusion after primary PCI for STEMI (OR 2.36; 95% CI 1.25-4.46; p=0.008).
Why the study?
Does higher admission glycaemia predict failed myocardial tissue reperfusion and mortality in STEMI patients undergoing pPCI?
Cohort (n=323)
Does higher admission glycaemia predict failed myocardial tissue reperfusion and mortality in STEMI patients undergoing pPCI?
Odds Ratio: 2.36 (95% CI 1.25–4.46)
p-value: p=0.008
Higher admission glycaemia in STEMI patients undergoing pPCI is an independent predictor of failed myocardial tissue reperfusion and 180-day mortality, regardless of prior diabetes status.
Admission hyperglycaemia was associated with impaired tissue reperfusion after pPCI; leaves open whether acute glycaemic control improves outcomes in STEMI.
BACKGROUND AND AIM: Admission hyperglycaemia worsens reperfusion in ST-segment elevation myocardial infarction (STEMI). ST-segment elevation resolution parallels myocardial tissue reperfusion and predicts the outcome of primary percutaneous coronary intervention (pPCI). METHODS: We investigated whether higher glycaemia on admission impairs tissue-level reperfusion after pPCI for STEMI, as-sessed with the single-lead Schröder method of ST-segment resolution analysis (maxSTE). RESULTS: Among 323 patients (60.4 ± 11.5 years, 27.8% female), 13.4% of nondiabetic subjects and 58.2% of those with known diabetic history (17%) were admitted with glycaemia > 11.1 mmol/L. Failed tissue reperfusion, recognised if high-risk maxSTE criteria were fulfilled, was present among 25% of patients. The overall 180-day mortality rate was 6.8% (n = 22). Admission glycaemia ≥ 8.75 mmol/L appeared as the single risk factor for failed tissue reperfusion (ROC area = 0.638, standard error = 0.038, p < 0.001). Even after adjustment for diabetes history, patients with admission glycaemia ≥ 8.75 mmol/L (44.5%) had 2.36-fold higher risk (95% confidence interval [CI] 1.25-4.46, p = 0.008) of failed tissue reperfusion. After exclusion of patients with known diabetes and those with acute blood glucose level > 11.1 mmol/L (28%), admission glycaemia remained an independent predictor of failed tissue reperfusion (odds ratio [OR] 1.32, 95% CI 1.03-1.69, p = 0.028). Admission glycae-mia and failed tissue reperfusion (high- vs. low-risk maxSTE category) were the independent predictors of 180-day mortality (OR 1.18, 95% CI 1.05-1.32, p = 0.004 and OR 3.84, 95% CI 1.12-13.21, p = 0.033, respectively). CONCLUSIONS: Higher admission glycaemia in patients treated with pPCI for STEMI predicts failed myocardial tissue reperfusion and 180-day mortality, independently of prior or acute diabetic status.
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Kalińczuk et al. (2018) conducted a cohort in ST-segment elevation myocardial infarction (STEMI) (n=323). Admission glycaemia ≥ 8.75 mmol/L vs. Admission glycaemia < 8.75 mmol/L was evaluated on Failed tissue reperfusion (OR 2.36, 95% CI 1.25-4.46, p=0.008). Admission glycaemia ≥ 8.75 mmol/L was associated with a significantly higher risk of failed myocardial tissue reperfusion after primary PCI for STEMI (OR 2.36; 95% CI 1.25-4.46; p=0.008).
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