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Objective: To investigate radical cystectomy in situ the sigmoid neobladder clinical effect, and urodynamic basis for this surgical. : 32 underwent radical cystectomy and the in situ sigmoid neobladder patients urodynamic study measured urinary flow rate of 3 months and 6 months after surgery, residual urine, on behalf of the bladder pressure, bladder capacity, and record patients 3 months, 6 months, 12 months, day and night, the urinary and incontinence incidence. Results: The male patients 3 months after bladder capacity was 248 ~ 440ml, average 346.2ml; urine storage period of bladder pressure of 18 to 35cmH 2 O, the average 24.9cmH 2 O; voiding bladder pressure of 43 ~ 80cmH 2 O, average 63.3cmH 2 O; maximum flow rate of 11 to 19ml / s (average 16.1 ml / s) ; 6 months after urodynamic test results: a new bladder capacity of 310 ~ 490ml, average 420.6ml; the urinary storage period bladder pressure of 16 to 26cmH 2 O, the average 20.0cmH 2 O; voiding bladder pressure of 50 ~ 89cmH 2 O, average 69.9cmH 2 O; maximum flow rate of 14 to 24ml / s (19.5 ml / s); the new bladder capacity, urine storage period of bladder pressure during voiding bladder pressure, maximum flow rate of the difference was statistically significant (P lt; 0.05). Female patients 3 months after a new bladder capacity of 210 ~ 346ml, average 270.1ml; urine storage period of bladder pressure of 29 to 33cmH 2 O average 31.0cmH 2 O; voiding bladder pressure of 45 ~ 69cmH 2 O, the average 60.5cmH 2 O; maximum flow rate of 9 ~ 13ml / s (average 10.8 ml of / s); 6 months after urodynamic test results: a new bladder capacity of 270 ~ 395ml, average 312.5ml; urine storage period of bladder pressure of 20 to 31cmH 2 O, the average 24.4cmH 2 O; voiding bladder pressure of 45 ~ 86cmH 2 O, average 62.7cmH 2 O; maximum flow rate of 13 ~ 19ml / s (average 16.2ml / s); a new bladder capacity, urine storage period bladder pressure, maximum flow rate between the two groups the difference was statistically significant (P lt; 0.05); voiding bladder pressure difference between the two groups had no statistical significance (P gt; 0.05 ). After 3 months 19 patients with residual urine 10 ~ 50ml, 27ml, 8 cases of 51 ~~ 120ml average, an average of 78 ml of 5 patients without residual urine; 18 patients after 6 months of residual urine of 10 ~~ 50ml average 18ml 3 Example 51 ~~ 120ml, an average of 62 ml of 11 patients without residual urine. Conclusion: laparoscopic bladder subtotal - the sigmoid neobladder technically feasible, the new bladder control and voiding satisfied, the new postoperative long-term bladder function needs further clinical observation.
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