Research Article

High-Intensity Focused Ultrasound (HIFU) Focal Therapy for Localized Prostate Cancer with MRI-US Fusion Platform

Table 3

Overall changes in parameters after HIFU focal therapy.

ParametersBaseline3 months value#6 months value

Mean PSA (ng/ml) ± SD8.4 ± 3.34.2 ± 3.1<0.0013.7 ± 2.4<0.001
Mean IPSS ± SD11.2 ± 5.88.4 ± 5.10.0348.8 ± 5.80.122
Mean QoL ± SD2.4 ± 1.32.1 ± 1.20.2812.5 ± 1.00.377
Mean OABSS ± SD4.5 ± 2.64.2 ± 1.90.3254.6 ± 2.20.500
Mean IIEF-5 ± SD15.1 ± 6.511.7 ± 8.50.00113.7 ± 7.60.314
Mean SF-12 ± SD
 Physical score48.4 ± 5.949.7 ± 7.40.30449.3 ± 6.50.346
 Mental score47.6 ± 10.849.0 ± 7.70.33948.3 ± 7.00.422
Mean EPIC-26 score ± SD
 Incontinence91.3 ± 13.790.0 ± 18.60.42690.5 ± 15.10.449
 LUTS81.7 ± 15.286.7 ± 12.20.16585.8 ± 11.70.204
 Bowel function87.8 ± 14.688.4 ± 13.30.45685.1 ± 17.10.330
 Sexual function49.6 ± 30.543.3 ± 30.50.30140.8 ± 31.00.237
 Hormonal function97.5 ± 6.697.2 ± 5.80.44497.2 ± 4.80.440
Uroflowmetry
Qmax (ml/s) ± SD14.9 ± 6.314.6 ± 5.20.45114.4 ± 6.90.428
 PVRU (ml)68.6 ± 41.153.2 ± 48.10.19447.5 ± 42.20.104

SD, standard deviation; PSA, prostatic specific antigen; PHI, prostate health index; IPSS, International Prostate Symptom Score; QoL, quality of life; OABSS, overactive bladder symptom score; IIEF-5, International Index of Erectile Function; SF-12, 12-item short form survey; EPIC-25, expanded prostate cancer index composite; LUTS, lower urinary tract symptoms; Qmax, maximal voiding velocity; PVRU, postvoid residual urine. #Comparison of 3-month data against the baseline value. Comparison of 6-month data against the baseline value.