Nerve Growth Factor Levels are Associated with Overactive Bladder Symptoms and Long-Term Treatment Outcome after Transurethral Resection of the Prostate in Patients with Benign Prostatic Hyperplasia

The Journal of Urology
Hao HuKexin Xu

Abstract

We investigated changes in urinary nerve growth factor in patients with benign prostatic hyperplasia after transurethral prostate resection. We also assessed the association between nerve growth factor and changes of overactive bladder symptoms and long-term treatment outcomes after surgery. This was a prospective study of 178 patients at Peking University People's Hospital with benign prostatic hyperplasia between January 2011 and January 2013. Urinary nerve growth factor levels were determined preoperatively using a commercial enzyme-linked immunosorbent assay kit. We also determined prostate volume, I-PSS (International Prostate Symptom Score), quality of life, OABSS (Overactive Bladder Symptom Score), ultrasound estimated post-void residual urine and urodynamics before surgery. Urinary nerve growth factor levels, I-PSS and OABSS were assessed again 1 year after transurethral prostate resection. Urinary nerve growth factor/creatinine levels differed between patients with moderate and severe lower urinary tract symptoms (mean ± SD 10.513 ± 4.255 vs 12.334 ± 4.048 pg/μmol, p = 0.002). There was no significant difference between patients with grades III/IV and V/VI bladder outlet obstruction (mean 11.285 ± 4.069 vs 11.781 ± 4.4...Continue Reading

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