Table 2. Postoperative changes in the parameters of urodynamic study compared to preoperative basal values.
| Variable | Conventional radical hysterectomy | Nerve-sparing radical hysterectomy | ||||||
|---|---|---|---|---|---|---|---|---|
| Basal | 1 mo | 3 mo | 12 mo | Basal | 1 mo | 3 mo | 12 mo | |
| MFR (mL/sec) | 18.5 (8.9-63.9) | 10.5 (4,4-21,1)* | 16.5 (5.6-40.8) | 16.0 (8.3-25.2) | 18.5 (9.3-39.3) | 14.5 (5.0-49.5)* | 15.8 (6.7-35.2) | 15.5 (9.0-46.5) |
| AFR (mL/sec) | 8.7 (2.5-47.0) | 4.7 (1.0-11.3)* | 6.9 (3.4-46.6) | 6.1 (2.2-12.8) | 8,1 (2.2-65.0) | 6.4 (3.10-71.0) | 6.6 (2.6-56.0) | 7.2 (3.2-21.0) |
| VV (mL) | 368.5 (115.0-677.0) | 259.5 (56.0-604.0)* | 330.0 (85.0-564.0) | 380.0 (230.0-566.0) | 356.5 (142.0-779.0) | 308.5 (32.0-606.0)* | 407.5 (97.0-813.0) | 350.0 (120.0-566.0) |
| MDP (cmH2O) | 61.0 (23.0-181.0) | 54.5 (0-199.0)* | 53.5 (17.0-90.0) | 60.5 (1.0-143.0) | 44.0 (20.0-113.0) | 45.0 (16.0-106.0) | 43.0 (18.0-126.0) | 55.0 (22.0-144.0) |
| RU (mL) | 16.5 (0-80.0) | 70.0 (0-181.0)* | 51.5 (0-220.0)* | 51.0 (0-120.0)* | 10.0 (0-100.0) | 20.0 (0-100.0)* | 18.0 (0-120.0) | 20.0 (0-75.0) |
| Compliance (mL/cmH2O) | 93.8 (34.6-159.6) | 29.1 (3.5-82.4)* | 30.3 (4.5-95.6)* | 61.9 (6.5-194.3)* | 83.0 (32.1-169.9) | 52.5 (21.6-125.3)* | 80.4 (34.0-138.0) | 59.7 (4.9-294.3) |
| FVS (mL) | 209.5 (98.0-414.0) | 207.5 (90.0-343.0) | 242.0 (44.0-508.0) | 235.5 (109.0-312.0) | 193.5 (90.0-430.0) | 185.0 (129.0-461.0) | 212.0 (51.0-448.0) | 248.0 (80.0-389.0) |
| Urgency (mL) | 411.0 (190.0-659.0) | 371.9 (210.0-550.0) | 356.8 (97.0-630.0)* | 369.0 (302.0-450.0) | 375.5 (214.0-606.0) | 348.5 (230.0-584.0) | 400.0 (240.0-600.0) | 370.0 (176.0-550.0) |
| Capacity (mL) | 443.0 (206.0-674.0) | 395.3 (220.0-550.0)* | 376.1 (99.0-630.0) | 401.0 (330.0-462.0) | 415.0 (273.0-608.0) | 355.0 (240.0-586.0) | 429.0 (269.0-612.0) | 410.0 (181.0-550.0) |
| MUP (cmH2O) | 88.0 (36.0-158.0) | 73.5 (38.0-123.0)* | 76.5 (37.0-193.0)* | 76.5 (11.0-109.0)* | 97.0 (44.0-183.0) | 85.0 (43.0-151.0)* | 79.0 (19.0-143.0) | 96.0 (19.0-132.0) |
| MCP (cmH2O) | 88.0 (36.0-159.0) | 74.1 (34.0-122.0)* | 78.0 (37.0-194.0)* | 77.0 (12.0-111.0) | 95.5 (45.0-148.0) | 85.0 (43.0-148.0) | 84.0 (20.0-143.0) | 97.0 (19.0-116.0) |
| FUL (mm) | 92.0 (35.0-197.0) | 86.5 (36.0-218.0) | 89.5 (23.0-193.0) | 80.0 (27.0-117.0) | 85.0 (34.0-250.0) | 79.0 (27.0-214.0) | 76.5 (25.5-232.0) | 97.0 (56.0-132.0) |
Values are presented as median (range).
AFR, average flow rate; FUL, functional urethral length; FVS, first voiding sense; MCP, maximal closure pressure; MDP, maximal detrusor pressure; MFR, maximal flow rate; MUP, maximal urethral pressure; RU, residual urine; VV, voided volume.
*p<0.05, compared with preoperative basal data by Wilcoxon signed rank test.