Table 1.
Outcomes for Delayed Repeat Enema (DRE) using standardized criteria* for patient enrollment
| Study | DREN (%) | Enema | Time to DRE | Attempts | Success N (%) | Perforation N (%) | LOE |
|---|---|---|---|---|---|---|---|
| Saxton 1994 | 21/143 (15) | Air | 30 min to 3 h | 2 | 11/21 (52) | 0/21 (0) | 4 |
| Gorenstein 1998 | 23/44 (52) | Air | 45–60 h | 3 | 19/23 (83) | 0/13 (0) | 4 |
| Gonzalez-Spinola 1999 | 65/194 (34) | Hydrostatic with US | 30 min to 24 h | 2 | 30/65 (46) | 0/65 (0) | 4 |
| Sandler 1999 | 17** | Air | 2–4 h | 5 | 10/17 (59) | 2/17 (12) | 4 |
| Navarro 2004 | 26/219 (12) | Air or Barium | 15 min to 12 h | 5 | 13/26 (50) | 0/26 (0) | 4 |
| Blanch 2007 | 11/141 (8) | Air | Not Specified | 2 | 7/11 (64) | 0/11 (0) | 4 |
| Pazo 2010 | 21** | Air | >2 h | 3 | 12/21 (57) | 0/21 (0) | 4 |
| Fallon 2013 | 22/379 (6) | Air or Barium | >2 h | 4 | 22/42 (52) | 0/42 (0) | 4 |
| Pran 2018 | 17/60 (28) | Barium | 2 to 6 h | 4 | 8/17 (47) | 0/17 (0) | 4 |
LOE – Level of Evidence
Standardized criteria for DRE is defined as partial reduction of intussusception on first attempt in a medically stable patient without peritonitis.
Only patients undergoing delayed repeat enema during observation period are reported.