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Initial Experience of the Emergency Bypass System ($EBS^{(R)}$) for the Patients with Cardiogenic Shock due to an Acute Myocardial Infarction  

Ryu, Kyoung-Min (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Dankook University)
Kim, Sam-Hyun (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Dankook University)
Seo, Pil-Won (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Dankook University)
Ryu, Jae-Wook (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Dankook University)
Kim, Seok-Kon (Department of Anesthesiology and Pain Medicine, College of Medicine, Dankook University)
Kim, Young-Hwa (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Dankook University)
Park, Seong-Sik (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Dankook University)
Publication Information
Journal of Chest Surgery / v.41, no.3, 2008 , pp. 329-334 More about this Journal
Abstract
Background: Percutaneous cardiopulmonary support. (PCPS) has the potential to rescue patients in cardiogenic shock who might otherwise die. PCPS has been a therapeutic option in a variety of the clinical settings such as for patients with myocardial Infarction, high-risk coronary intervention and postcardiotomy cardiogenic shock, and the PCPS device is easy to install. We report our early experience with PCPS as a life saving procedure in cardiogenic shock patients due to acute myocardial infarction. Material and Method: From January 2005 to December 2006, eight patients in cardiogenic shock with acute myocardial infarction underwent PCPS using the CAPIOX emergency bypass system($EBS^{(R)}$, Terumo, Tokyo, Japan). Uptake cannulae were inserted deep into the femoral vein up to the right atrium and return cannulae were inserted into the femoral artery with Seldinger techniques using 20 and 16-French cannulae, respectively. Simultaneously, autopriming was performed at the $EBS^{(R)}$ circuit. The $EBS^{(R)}$ flow rate was maintained between $2.5{\sim}3.0L/min/m^2$ and anticoagulation was performed using intravenous heparin with an ACT level above 200 seconds. Result: The mean age of patients was $61.1{\pm}14.2$ years (range, 39 to 77 years). Three patients were under control of the $EBS^{(R)}$ before percutaneous coronary intervention (PCI), three patients were under control of the $EBS^{(R)}$ during PCI, one patient was under control of the $EBS^{(R)}$ after PCI, and one patient was under control of the $EBS^{(R)}$ after coronary bypass surgery. The mean support time was $47.5{\pm}27.9$ hours (range, 8 to 76 hours). Five patients (62.5%) could be weaned from the $EBS^{(R)}$ after $53.6{\pm}27.2$ hours. (range, 12 to 68 hours) of support. All of the patients who could successfully be weaned from support were discharged from the hospital. There were three complications: one case of gastrointestinal bleeding and two cases of acute renal failure. Two of the three mortality cases were under cardiac arrest before $EBS^{(R)}$ support, and one patient had an intractable ventricular arrhythmia during the support. All of the discharged patients are still surviving at $16.8{\pm}3.1$ months (range, 12 to 20 months) of follow-up. Conclusion: The use of $EBS^{(R)}$ for cardiogenic shock caused by an acute myocardial infarction could rescue patients who might otherwise have died. Successfully recovered patients after $EBS^{(R)}$ treatment have survived without severe complications. More experience and additional clinical investigations are necessary to elucidate the proper installation timing and management protocol of the $EBS^{(R)}$ in the future.
Keywords
Percutaneous bypass; Cardiogenic shock; Myocardial infarction;
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Times Cited By KSCI : 2  (Citation Analysis)
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