Preliminary experience in the treatment of chronic voiding dysfunction by sacral nerve neuromodulation (report of 2 cases) / 中华泌尿外科杂志

50%) in the objective findings and/or subjective symptoms in both patients.In case 1 and case 2,the frequency of daily urination decreased by 7.3% and 34.3%,the volume of urination increased by 118.2% and 65.7%,the degree of urgent urination declined by 72.0% and 68.1%,respectively.Then they received permanent electrode and neurostimulator implantation and the improvement remained significant.They were followed up for 26 and 17 months,respectively,and no significant complications were found. Conclusions SNN is a micro-invasive,effective,and safe therapy for chronic voiding dysfunction.It may also be effective for some neurogenic dysfunctions of the bladder and urethra.