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CHA2DS2-VASc Score Predict No-Reflow Phenomenon in Primary Percutaneous Coronary Intervention in Primary Percutaneous
Fardin Mirbolouk1, Mahboobeh Gholipour1, Arsalan Salari1
1Cardiovascular Diseases Research Center, Department of Cardiology, Heshmat Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran.
Insights
The CHA2DS2-VASc score effectively predicts no-reflow complications in ST-elevation myocardial infarction patients undergoing primary PCI. A score of 2 or higher indicates a high risk, aiding pre-procedural assessment.
Area of Science:
- Cardiology
- Interventional Cardiology
- Clinical Risk Stratification
Background:
- No-reflow is a significant complication of primary percutaneous coronary intervention (PCI) in acute ST-elevation myocardial infarction (STEMI).
- This phenomenon is linked to adverse clinical outcomes in STEMI patients.
- Existing risk stratification tools may not adequately predict no-reflow post-PCI.
Purpose of the Study:
- To evaluate the effectiveness of the CHA2DS2-VASc score in predicting the no-reflow phenomenon in STEMI patients undergoing primary PCI.
- To determine if the CHA2DS2-VASc score can serve as an independent predictor of no-reflow.
- To establish a potential cutoff value for the CHA2DS2-VASc score for no-reflow prediction.
Main Methods:
- A study involving 396 patients with STEMI who underwent primary PCI.
- Patients were categorized into control (no-reflow) and no-reflow groups based on post-PCI TIMI flow.
- CHA2DS2-VASc scores were calculated, and multivariate regression analysis was employed.
Main Results:
- The CHA2DS2-VASc score independently predicted no-reflow (OR: 3.06, P < 0.001).
- Other predictors included lower systolic blood pressure, higher diastolic blood pressure, initial TIMI flow grade 0, and smaller stent size.
- A CHA2DS2-VASc cutoff score of ≥ 2 demonstrated 88% sensitivity and 67% specificity (AUC: 0.83).
Conclusions:
- The CHA2DS2-VASc score is a valuable and simple tool for predicting no-reflow before primary PCI in STEMI patients.
- Utilizing this score can aid in identifying high-risk individuals and potentially guiding peri-procedural management.
- Further research may explore integrating this score into clinical decision-making algorithms for STEMI management.
Abstract:
No-reflow is one of the major complications of primary PCI in patients with acute ST elevation myocardial infarction. This phenomenon is associated with adverse outcomes in these patients. In the current study, we evaluated the effectiveness of CHA2DS2-VASc score in predicting no-reflow phenomenon. CHA2DS2-VASc score is a risk stratification method to estimate the risk of thromboembolism in patients with atrial fibrillation. In total, 396 patients with ST elevation myocardial infarction who had undergone primary PCI were evaluated in our study. Based on post interventional TIMI flow rate results, the patients were divided into two groups: control group (294 patients) and no-reflow group (102 patients). The CHA2DS2-VASc score was calculated for each participant. Multivariate regression analysis was performed to determine the predictive value of this score. Our findings showed that CHA2DS2-VASc score can predict no-reflow independently (odds ratio: 3.06, 95%, confidence interval: 2.23-4.21, P <0 .001). Moreover, lower systolic blood pressure, higher diastolic blood pressure, grade 0 initial TIMI flow rate and smaller stent size were other independent predictors of the no-reflow in our study. We also defined a cut off value of ≥ 2 for the CHA2DS2-VASc score in predicting the no-reflow with a sensitivity of 88% and specificity of 67%, area under curve: 0.83 with 95% CI (0.79-0.88). The CHA2DS2-VASc score could be used as a simple applicable tool in the prediction of no-reflow before primary PCI in the acute ST elevation myocardial infarction patients.
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