Table 3: Objective Measures of Effectiveness. Electrovaporization Using Monopolar 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 | ||
| Liu et al. 2006 (60) TUVRP TURP |
6.9 (2.1) 6.9 (1.9) P = .91 |
20.7 (2.8) 21.6 (2.0) P = .2 |
NR | NR |
2 years 19.6 (3.7) 21.2 (2.7) P = .12 |
142 (48) 131 (41) P = .31 |
34 (12) 35 (18) P = .25 |
NR | NR |
2 Years 33 (15) 28 (16) P = .29 |
|
| Gupta et al. 2006 TUVRP TURP |
4.65 (3.6) 4.5 (4.7) P = .73 (between 3 groups) |
NR | 22.5 (0.95) 20.7 (1.32) P = .33 (between 3 groups) |
23.6 (0.96) 23.7 (1.58) P = .62 (between 3 groups) |
NR | 103 (174.1) 84 (129.7) P = .65 (between 3 groups) |
NR | <20 <20 |
<20 <20 |
NR | |
| Nuhoglu et al. 2005 (61) TUVP TURP |
6.3 (2.1) 5.9 (2.6) |
17.7 (2.3) 17.5 (3.3) P >.05 |
NR | NR |
>5 years 12.9 (3.1) 13.8 (2.9) P >.05 |
88 (20) 95 (26) |
25 (13) 23 (12) P >.05 |
NR | NR |
>5 years 35 (15) 38 (17) P >.05 |
|
| Akhtar 2004 (59) TUVP TURP |
NR | 14.44 (3.31) 15.6 (1.70) P = .114 |
13.84 (1.75) 15.88 (3.02) P = .0028 |
NR | NR | NR | 35.2 (21.24) 26.4 (16.04) P = .091 |
28.4 (19.56) 11.48 (2.18) P = .003 |
NR | NR | |
| McAllister et al. 2005 (62;87) TUVP TURP |
10.1 (4.35) 10.5 2 (5.04) P >.05 |
2 months 19.12 (11.76) 21.23 (10.2) P >.05 |
19.6 (11.04) 22.29 (10.25) P >.05 |
NR | NR | 181.1 (162.4) 170.8 (184.3) P > .05 |
2 months 59.3 (59.5) 77.8 (120.7) P > .05 |
71.0 (72) 71.8 (87.4) P >.05 |
NR | NR | |
| Van Melick 2003 (88;89) TUVP TURP |
9 (3) 13 (4) P >.05 |
NR | 24 (11) 26 (6) P >.05 |
28 (6) 23 (10) P >.05 |
1–4 years 23 (6) 20 (5) 4–7 years 16 (11) 17 (8) |
NR | NR | NR | NR | NR | |
| Hammadeh et al. 2003 (57;90) TUVP TURP |
8.9 (3.2) 8.6 (3.2) P = .7 |
NR | NR | 22.5 (9) 20.8 (7.7) P = .4 |
2 years 22.4 (7.7) 21.2 (8.5) P =.5 3 years 22.2 (8.5) 18 (7.1) P =.02 5 years 21 (9) 17.9 (13.1) P =.17 |
131 (78.5) 101 (87.9) P =.1 |
NR | NR | 24.3 (33.1) 25.8 (25.6) P =.1 |
2 years 18.8 (21.2) 22.8 (29.8) P =.5 3 years 30 (38) 21.9 (26.2) P =.27 5 years 27.3 (44.3) 10.7 (13.1) P =.08 |
|
| Gupta et al. 2002 TUVRP TURP |
6.4 7 |
22.55 25.14 |
NR |
22 26 |
NR | 82 78 |
NR | <10 <10 |
Nil Nil |
NR | |
| Helke et al. 2001 TUVRP TURP |
10.8 (4.76) 8.5 (5.19) P <.02 |
NR | NR | 22.19 (12.3) 22.12 (10.6) P >.05 |
NR | 76 (60.50) 101.8 (84.1) NS |
NR | NR | 6.81 (21.3) 7.58 (27.5) P >.05 |
NR | |
| Kupeli et al. 2001 (63) TUVRP TURP |
7.9 (2.1) 9.2 (2.6) |
NR | 26.7 (3.7) 24.6 (3.4) P-value NR |
NR | NR | NR | NR | NR | NR | NR | |
| Talic et al. 2000 (58) TUVRP TURP |
7.5 (3.5) 9.1 (6.3) |
NR | 19 (6.5) 15.2 (10) P =.01 |
NR | NR | NR | NR | NR | NR | NR | |
| Ekengren et al. 2000 (92) TUVRP TURP |
Median 4 2 |
NR | NR | Median 10 11 |
NR | Median 55 100 |
NR | NR | Median 17 57 |
NR | |
NR refers to not reported; SD, standard deviation; TURP, transurethral resection of the prostate; TUVP, Transurethral electrovaporization of the prostate; TUVRP, transurethral electrovapor resection of the prostate