Table 43: Objective Measures of Effectiveness. Laser Prostatectomy using Potassium Titanyl Phosphate (KTP) 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 | |
| Shingleton 2002 (75) KTP/Nd:YAG TURP |
8.2 (3.2) 7.3 (3.7) |
15 (5.7) 16 (0.8) P =.6 |
15.8 (6.9) 16.3 (6.4) P =.77 |
14.6 (5.9) 16.2 (7.2) P > .05 |
1.5–2 years 14.9 (5.4) 14.3 (6.3) 3–6 years 12.3 (5.3) 12.8 (5.6) |
NR | NR | NR | NR | NR |
KTP refers to potassium titanyl phosphate; NR, not reported; Qmax, maximum urinary flow; TURP, transurethral resection of the prostate