Table 1. Study sample demographics of handsewn vs. coupled venous anastomoses. Study Sample Demographics (N=857 flaps).
| Variables | HANDSEWN | COUPLED | p-value | ||
|---|---|---|---|---|---|
| (n=303) | (n=554) | ||||
| Type of Reconstruction | |||||
| MS-TRAM | 160 | (52.8%) | 272 | (49.1%) | 0.30 |
| DIEP | 92 | (30.4%) | 262 | (47.3%) | <0.001 |
| Free TRAM | 41 | (13.5%) | 10 | (0.02%) | <0.001 |
| SIEA | 4 | (0.01%) | 4 | (0.01%) | 0.38 |
| SGAP | 6 | (0.02%) | 1 | (0.001%) | 0.005 |
| TUG | 0 | (0%) | 5 | (0.01%) | 0.10 |
| Recipient Vessel | |||||
| IMA/IMV | 147 | (48.5%) | 512 | (92.4%) | <0.001 |
| TDA/TDV | 155 | (51.2%) | 41 | (7.4%) | <0.001 |
| Other | 1 | (0.3%) | 1 | (0.2%) | 0.66 |
| Timing of Reconstruction | |||||
| Immediate | 242 | (80%) | 353 | (63.7%) | <0.001 |
| Delayed | 61 | (20%) | 201 | (36.3%) | |
| Laterality | |||||
| Unilateral | 191 | (63%) | 240 | (43.3%) | <0.001 |
| Bilateral | 112 | (37%) | 314 | (56.7%) | |
| Preoperative Radiation | 81 | (26.7%) | 206 | (37.2%) | 0.002 |
| Preoperative Chemotherapy | 76 | (25.1%) | 192 | (34.7%) | 0.002 |
|
| |||||
| Venous thrombosis requiring revision | 12 | (0.04%) | 8 | (0.01%) | 0.02 |