Table 8: Objective Measures of Effectiveness. Electrovaporization Using Bipolar Energy Versus TURP.
| Study, Year | Peak urinary flow (Qmax), Mean (SD), mL/s | Postvoid residual urine, Mean (SD), mL | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Baseline | 3 months | 6 months | 1 year | > 1 year | Baseline | 3 months | 6 months 1 year | 1 year | > 1 year | |
| Hon et al. 2006 (93) PKVP TURP |
12 (6.4) 11.9 (6) P = .79 |
NR |
8.6 mon 25.6 (15.6) 23.5 (15.2) P =.41 |
NR | NR | 147 (156) 182 (180) P =.26 |
NR |
8.6 months 64 (65) 69 (67) P =.68 |
NR | NR |
| De Sio et al. 2006 (66) | 7.1 (2) 6.3 (3) NS |
Graph only | Graph only | Graph only | NR | 80 (22.5) 75 (35.5) NS |
Graph only | Graph only | Graph only | NR |
| Nuhoglu et al. 2006 (64) PKVP TURP |
6.9 (2.8) 7.3 (2.1) P > .05 |
NR | NR | 17.1 (2.7) 17.9 (3.1) P > .05 |
NR | 96 (27) 88 (20) P > .05 |
NR | NR | 33 (19) 35 (15) P > .05 |
NR |
| Seckiner et al. 2006 (65) PKVP TURP |
8.5 (2.9) 8.3 (3.1) P =.800 |
17.7 (9.1) 18.6 (9.1) P >.05 |
23.4 (10.6) 16.2 (12) P >.05 |
18.8 (6.9) 15.7 (6.3) P >.05 |
NR | 88 (74) 138 (115) P =.148 |
NR | NR | NR | NR |
| Tefekli et al. 2005 (32) PKVP TURP |
NR | 16.9 (2.8) 15.8 (3.7) P-value; NR |
18.3 (3.5) 17.5 (4.3) P-value; NR |
17.2 (3.9) 16.9 (4.1) P <.05 |
NR | NR | NR | NR | NR | NR |
| Fung et al. 2005 (94) PKVP TURP |
NR |
Mean change 16.57 14.7 P =.96 |
NR | NR | NR | NR | NR | NR | NR | NR |
NR refers to not reported; NS, not significant; Qmax, maximum flow rate; PKVP, Plasmakinetic vaporization of the prostate; Qmax, maximum flow rate; SD, standard deviation; TURP, transurethral resection of the prostate