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Outcomes in a contemporary cohort undergoing sacral neuromodulation using optimized lead placement technique
Author(s) -
Adelstein Sarah A.,
Lee Wai,
Gioia Kevin,
Moskowitz Dena,
Stamnes Kelsey,
Lucioni Alvaro,
Kobashi Kathleen C.,
Lee Una J.
Publication year - 2019
Publication title -
neurourology and urodynamics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.918
H-Index - 90
eISSN - 1520-6777
pISSN - 0733-2467
DOI - 10.1002/nau.24018
Subject(s) - medicine , implant , overactive bladder , sacral nerve stimulation , cohort , refractory (planetary science) , stage (stratigraphy) , fecal incontinence , lead (geology) , surgery , quality of life (healthcare) , stylet , retrospective cohort study , urinary incontinence , nursing , paleontology , physics , alternative medicine , pathology , geomorphology , astrobiology , biology , geology
Aims To evaluate factors associated with progression to stage 2 sacral neuromodulation (SNM) for refractory overactive bladder, urinary retention, or fecal incontinence using optimal lead placement techniques with curved stylet. Methods This is a retrospective analysis of a prospectively collected database of all consecutive stage 1 SNM lead placements at our institution between August 2014 and May 2017 using optimal lead placement technique with curved stylet. Patients with refractory overactive bladder, urinary retention, or fecal incontinence were enrolled. Patients with 50% or more symptom improvement on voiding diaries were offered stage 2 implant. Demographics, clinical, and surgical characteristics were compared for patients who underwent successful stage 2 implants versus those who underwent lead removal at the end of the stage 1 trial period. Results 127 patients underwent SNM during the study period. Motor thresholds of ≤2 mA in all four electrodes were achieved in 74% of patients (94/127). A total of 89.0% (113/127) of patients received stage 2 implants. The main indication for implant, specifically urgency urinary incontinence, was positively associated with progression to stage 2 implant. Male gender, history of pelvic pain and previous SNM were negatively associated with progression to stage 2 implant. Conclusions Our findings demonstrate that the contemporary optimized lead placement technique resulted in low motor thresholds and successful progression to stage 2 SNM implant in the majority of our cohort. Predictive factors associated with success or failure may potentially guide decision making for therapeutic interventions and counseling patient expectations.