The balloon pump-assisted coronary intervention study (BCIS-1): rationale and design.

Area of Science:

• Cardiology
• Interventional Cardiology
• Clinical Trials

Background:

• Observational studies suggest intra-aortic balloon pump (IABP) insertion may reduce complications in high-risk percutaneous coronary intervention (PCI).
• Current international guidelines lack formal recommendations for elective IABP use in high-risk PCI due to a lack of randomized trial data.
• High-risk PCI is often defined by severe left ventricular dysfunction and significant myocardium at risk.

Purpose of the Study:

• To test the hypothesis that elective IABP insertion before high-risk PCI reduces major adverse cardiac and cerebrovascular events (MACCEs).
• To provide evidence to inform international guidelines regarding IABP use in high-risk PCI.
• To clarify the role of elective IABP support in patients undergoing high-risk PCI.

Main Methods:

• The BCIS-1 trial is a randomized study involving 300 eligible patients.
• Patients were randomized to receive either elective IABP insertion or no planned IABP insertion.
• Exclusion criteria included cardiogenic shock, class I IABP indication, or absolute contraindications to IABP.

Main Results:

• The study's primary outcome is MACCEs at hospital discharge or 28 days post-PCI.
• Results are anticipated to define the efficacy of elective IABP in high-risk PCI patients.
• Findings will guide potential revisions of current international guidelines.

Conclusions:

• The BCIS-1 trial is expected to provide definitive evidence on the utility of elective IABP in high-risk PCI.
• Positive findings could lead to updated guidelines and increased adoption of IABP support.
• Neutral or negative results would support the current restricted guideline recommendations and rationalize observed clinical practice.