TABLE 3.
Outcome Studies on Bridge to Recovery
| Study year | Design | N | Adjuvant antiremodeling drug protocol | Protocol for monitoring cardiac function | Unloading duration (m) | Recovery overall [N (%)] | Recovery nonischemic [N (%)] | HF recurrence/follow-up |
|---|---|---|---|---|---|---|---|---|
| US multicenter, 2007 | P | 67 | Not standardized | YES | 4.5 | 6(9) | 5(13.5) | Freedom from death or Tx 100%/6 months |
| Berlin Group, 2008, 2010 2012 2010 (18, 18, 19, 19) | R | 188 | Not standardized | YES | 4.3 | 35 (18.6) | 35 (18.6) | Freedom from recurrent HF 74 and 66%/3 and 5 years, respectively |
| Harefield Group, 2006 | P | 15 | Yes | YES | 10.6 | 11 (73) | 11 (73) | Freedom from recurrent HF 100 and 89%/1 and 4 years, respectively |
| Harefield Group, 2011 | P | 20 | Yes | YES | 9.5 | 12 (60) | 12 (60) | Freedom from recurrent HF 83.3%/3 years |
| University of Athens-Harefield Group, 2007 | P | 8 | Yes | YES | 6–10 | 4a(50) | 4a(50) | Freedom from recurrent HF 100%/2 years |
| Gothenburg Group, 2006 | P | 18 | Not standardized | YES | 6.7 | 3 (17) | 3 (20) | Freedom from recurrent HF or Tx 33%/8 years |
| Pittsburgh Group, 2003 | R | 18 | Not standardized | YES | 7.8 | 6 (33) | 5 (38) | Freedom from recurrent HF 67%/1 year |
| Osaka Group, 2005 | R | 11 | Not standardized | N/A | 15.1 | 5 (45) | 5 (45) | Freedom from recurrent HF 100%/8 to 29 months |
| Pittsburgh Group, 2010 | R | 102 | N/A | N/A | 4.9 | 14 (13.7) | 14 (13.7) | Freedom from recurrent HF or death 71.4%/5 years |
| Multicenter, 2001 | R | 271 | N/A | N/A | 1.9 | 22(8.1) | 22(8.1) | Freedom from recurrent HF or death 77%/3.2 years |
| Columbia Group, 1998 | R | 111 | N/A | N/A | 6.2 | 5(4.5) | 4 (8) | Freedom from recurrent HF or death 20%/15 months |
HF, heart failure; m, months; N, number; N/A, not applicable; P, prospective studies; R, retrospective studies; Tx, transplant.
A fifth patient fulfilled recovery criteria (5/8, 62.5%) but died of stroke just before LVAD explantation.
Full references for the above studies are provided in the online data supplement and in reference {18442)
Modified from reference {18442}