How Cardiologists Can Improve In-Hospital Outcomes After PCI

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Post-PCI bleeding before hospital discharge was more likely to occur if the patient was older, female or present with a history of prior cardiovascular disease. These bleeding events were also more common when femoral access was used, an intra-aortic balloon pump (IABP) was used, or the patient was in cardiogenic shock, the authors added.

The research team also emphasized that women were consistently linked to a higher risk of post-PCI bleeding events before discharge.

“This is important because neither ARC-HBR nor PRECISE-DAPT includes gender to calculate the bleeding risk; thus, they may more appropriately account for variables driving increased bleeding risk in women,” the authors wrote.  

At the end of the day, were the two risk scores effective bleeding risk in PCI?

The PRECISE-DAPT score found that 26.7% of patients faced an increased risk of a bleeding event, and the ARC-HBR score found that 37.7% of patients faced an increased risk. The actual percentage of patients who experienced a post-PCI bleeding event before hospital discharge was 3.3%—and, yes, that outcome was significantly more common among patients identified by either risk score. Secondary endpoints, including major adverse cardiovascular events and net adverse clinical events, were also more common among this patient population.  

The risk scores were ultimately found to have “moderate predictive ability” for in-hospital bleeding events. The PRECISE-DAPT risk score had an area under the ROC curve (AUC) of 0.61, and the ARC-HBR risk score had an AUC of 0.62. Combining the two risk scores did not lead to a significant improvement in accuracy.

“This study suggests that the ARC-HBR and PRECISE-DAPT bleeding criteria can be used to risk stratify patients and guide the therapeutic selection to lower the bleeding risk,” the authors concluded. “For instance, we found that radial access was used at lower rates in patients stratified as having a higher bleeding risk, despite the lower rates of bleeding seen with radial access. Other strategies to lower bleeding risk include the choice of less potent P2Y12 inhibitors or minimizing use of upstream P2Y12 inhibitor in patients without STEMI and the choice of intraprocedural anticoagulation. A combination of these strategies may help lower the risk of bleeding among high-risk patients who underwent PCI.”

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