Table 1 Description of the eight randomized studies included in the meta-analysis
Author | Year | Journal | Setting | Time of insertion | Crossover | Complications | IABP patients | Control patients | Longest follow-up |
|---|---|---|---|---|---|---|---|---|---|
Ranucci et al. [8] | 2013 | Crit Care Med | CABG | After anesthesia induction and before skin incision | 7/55 | 4 in IABP group | 55 | 55 | 30 days |
Lomivorotov et al. [15] | 2012 | J Cardiothorac Vasc Anesth | CABG | 16 to 18 hours before surgery (in the ICU) | Not reported | Not reported | 30 | 30 | 30 days |
Shi et al. [16] | 2011 | J Int Med Res | OPCABG | 1 hour before surgery | Not reported | Not reported | 107 | 125 | Hospital stay |
Christenson et al. [14] | 2003 | J Card Surg | REDO-OPCABG | After anesthesia induction and before skin incision | 7/15 | 0 | 15 | 15 | 2 months |
Christenson et al. [13] | 1999 | Ann Thorac Surg | CABG | 3 different groups: | 23/30 | 2 in IABP group | 30 | 30 | Hospital stay |
−24 hours before surgery (in the ICU) | 3 in crossovers | ||||||||
−12 hours before surgery (in the ICU) | |||||||||
−before anesthesia induction | |||||||||
Christenson et al. [10] | 1997 | Ann Thorac Surg | REDO-CABG | Before anesthesia induction in theatre (4 patients had insertion in the ICU before transfer to the operating room) | 9/24 | 1 in IABP group | 24 | 24 | 3 months |
1 in crossover | |||||||||
Christenson et al. [11] | 1997 | Eur J Cardiothorac Surg | CABG | 2 different groups | 11/20 | 0 | 32 | 20 | Hospital stay |
−24 hours before surgery (in the ICU) | |||||||||
− preoperatively in the operating room, On average 1.5 hours before surgery | |||||||||
Christenson et al. [12] | 1997 | Thorac Cardiovasc Surg | CABG | On average 2 h before surgery | Not reported | Not reported | 19 | 14 | 3 months |