31 December 2024 : Original article
Evaluating Graft Loss Risk in Living-Donor Kidney Transplants with Multiple Renal Arteries
Kuniaki Inoue
ABC 1, Shunta Hori ABCDE 1, Mitsuru Tomizawa ABCD 1, Tatsuo Yoneda ABCD 1, Yasushi Nakai AD 1, Makito Miyake AD 1, Nobumichi Tanaka AD 1,2, Kiyohide Fujimoto AE 1*
DOI: 10.12659/AOT.946489
Ann Transplant 2024; 29:e946489
Table 1 Demographic date after applying the IPTW for KT recipients with SRA and MRA. In the IPTW population, the standardized mean difference was <0.1.
| Variables | Unadjusted population | IPTW population | |||||
|---|---|---|---|---|---|---|---|
| SRA | MRA | p-value | SMD | SRA | MRA | SMD | |
| Number | 150 | 47 | 145 | 47 | |||
| Gender, n (%) | |||||||
| Men | 94 (62.7) | 25 (53.2) | 88 (60.6) | 30 (63.8) | |||
| Women | 56 (37.3) | 22 (46.6) | 0.305* | 0.193 | 57 (39.3) | 17 (36.1) | 0.04 |
| Donor gender, n (%) | |||||||
| Men | 55 (36.7) | 23 (48.9) | 57 (39.3) | 16 (34.0) | |||
| Women | 95 (63.3) | 24 (51.1) | 0.171* | 0.25 | 88 (60.6) | 31 (66.0) | 0.1 |
| Age at KT, n (%) | |||||||
| <50 years | 77 (51.3) | 27 (57.4) | 76 (52.4) | 23 (48.9) | |||
| ≥50 years | 73 (48.7) | 20 (42.6) | 0.506* | 0.123 | 69 (47.5) | 24 (51.0) | 0.078 |
| BMI (kg/m) at KT, n (%) | |||||||
| <25 | 111 (74.0) | 34 (72.3) | 104 (72.4) | 32 (68.1) | |||
| ≥25 | 39 (26.0) | 13 (27.7) | 0.851* | 0.037 | 41 (27.6) | 15 (31.9) | 0.1 |
| PEKT, n (%) | 48 (32.0) | 15 (31.9) | 1.000* | 0.002 | 48 (33.1) | 17 (36.1) | 0.041 |
| ABO blood group compatibility, n (%) | |||||||
| Compatibility | 107 (71.8) | 32 (68.1) | 104 (71.7) | 35 (74.5) | |||
| Incompatibility | 42 (28.2) | 13 (31.9) | 0.638* | 0.439 | 41 (28.3) | 12 (25.5) | 0.071 |
| Donor-nephrectomy, left or right, n (%) | |||||||
| Left | 117 (78.5) | 26 (55.3) | 106 (73.1) | 36 (76.5) | |||
| Right | 32 (21.5) | 21 (44.7) | 0.509* | 0.003 | 39 (26.9) | 11 (23.4) | 0.043 |
| MRV, n (%) | 14 (9.5) | 6 (12.8) | 0.582* | 0.105 | 15 (10.3) | 4 (8.5) | 0.071 |
| Donor-nephrectomy method, n (%) | |||||||
| Open | 12 (26.7) | 24 (53.3) | 52 (35.9) | 16 (11.0) | |||
| HALS | 27 (60.0) | 14 (31.1) | 63 (43.4) | 20 (42.6) | |||
| Laparoscope | 6 (13.3) | 7 (15.6) | 0.016* | 0.254 | 30 (20.7) | 11 (23.4) | 0.089 |
| Ureteral stent placed, n (%) | 48 (33.1) | 19 (40.4) | 0.382* | 0.152 | 51 (35.1) | 16 (34.0) | 0.014 |
| * Fisher exact test. IPTW – inverse probability of treatment weights; KT – kidney transplant; SRA – single renal artery; MRA – multiple renal arteries; SMD – standardized mean difference; BMI – body mass index; PEKT – preemptive kidney transplantation; MRV – multiple renal vein. | |||||||