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Letters | November 24, 2010

Elective Intra-aortic Balloon Pump Placement in High-Risk Percutaneous Coronary Intervention

Gen-Min Lin, MD; Kai-Min Chu, MD, PhD; Chih-Lu Han, MD, PhD

JAMA. 2010;304(20):2240-2242. doi:10.1001/jama.2010.1697.

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To the Editor: In their randomized controlled trial comparing elective intra-aortic balloon pump (IABP) counterpulsation vs no planned IABP support in high-risk percutaneous coronary intervention (PCI), Dr Perera and colleagues¹ concluded that elective IABP did not reduce the incidence of major adverse cardiac and cardiovascular events (MACCE). We agree with the study design, which used composite end points analyzed over a short period, because most patients enrolled in the Balloon Pump–Assisted Coronary Intervention Study (BCIS-1) had severely impaired left ventricular systolic function and ischemic heart failure, which conferred a high risk of death within 5 years that would probably blunt any beneficial effect of IABP intervention at long-term follow-up.²^- 3

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November 24, 2010

Elective Intra-aortic Balloon Pump Placement in High-Risk Percutaneous Coronary Intervention—Reply

Divaka Perera, MD, MRCP; Rodney Stables, DM, FRCP; Simon Redwood, MD, FRCP

JAMA. 2010;304(20):2240-2242. doi:10.1001/jama.2010.1700.

November 24, 2010

Elective Intra-aortic Balloon Pump Placement in High-Risk Percutaneous Coronary Intervention

Gábor Tamás Szabó, MD; Ildikó Rácz, MD; Zsolt Koszegi, MD, PhD

JAMA. 2010;304(20):2240-2242. doi:10.1001/jama.2010.1699.

November 24, 2010

Elective Intra-aortic Balloon Pump Placement in High-Risk Percutaneous Coronary Intervention

Annemarie E. Engström, MD; Krischan D. Sjauw, MD; José P. S. Henriques, MD, PhD

JAMA. 2010;304(20):2240-2242. doi:10.1001/jama.2010.1698.

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Lin G, Chu K, Han C. Elective Intra-aortic Balloon Pump Placement in High-Risk Percutaneous Coronary Intervention. JAMA. 2010;304(20):2240-2242. doi:10.1001/jama.2010.1697.

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