• Artificial organs · Dec 2001

    Percutaneous extracorporeal life support for treatment of fatal mechanical complications associated with acute myocardial infarction.

    • K Fujimoto, K Kawahito, A Yamaguchi, H Sakuragawa, J Tsuboi, K Yuri, M Tanaka, H Endo, H Adachi, and T Ino.
    • Department of Cardiovascular Surgery, Omiya Medical Center, Jichi Medical School, Saitama, Japan. koichisp@ruby.famille.ne.jp
    • Artif Organs. 2001 Dec 1; 25 (12): 1000-3.

    AbstractMechanical complications of acute myocardial infarction (AMI), such as free wall rupture, ventricular septal perforation (VSP), and mitral regurgitation due to papillary muscle rupture, are associated with high mortality rates. These complications result in extreme deterioration and increased risk of death in patients who do not receive timely resuscitation and surgical treatment. We studied the effectiveness of percutaneous extracorporeal life support (ECLS) for fatal mechanical AMI complications. Nine patients (7 men and 2 women, mean age 69 +/- 6 years) who suffered circulatory collapse refractory to conventional resuscitation were treated with ECLS. Circulatory collapse was caused by free wall rupture in 4 patients, VSP in 4, and mitral regurgitation due to papillary muscle rupture in 1. All patients were successfully resuscitated by ECLS and underwent surgical repair with conventional cardiopulmonary bypass. Eight patients required ECLS after surgery. Four of the 9 patients (2 with free wall rupture, 1 with VSP, and 1 with papillary muscle rupture) were successfully weaned from ECLS and were discharged. Three of the 4 survivors had no major complications, but the remaining survivor suffered neurological deficit. Four patients died while on devices. The duration of ECLS was from 13 to 167 h (mean 76 +/- 57 h) with a maximum bypass flow of 2.0 to 3.9 L/min (mean 2.9 +/- 0.6 L/min). There were no device-related complications during the support period. Total weaning rate was 56% (5/9), and survival was 44% (4/9). We conclude that ECLS can provide appropriate circulatory support during resuscitation and subsequent postoperative circulatory support for cardiovascular collapse associated with AMI complications.

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