Objectives: To evaluate the New Zealand clinical experience with the adjustable transobturator male system (ATOMS), a novel continence device in the management of all degrees of stress urinary incontinence (SUI), focusing on efficacy and safety outcomes.
Patients and methods: A retrospective review of all ATOMS devices placed between May 2015 and November 2020 was conducted. Severity of SUI was assessed (pad usage) before and after surgery. SUI was defined as mild (1-<3 pads/day), moderate (≥3-5 pads/day) or severe (>5 pads/day). The primary outcome measures considered were the overall success rate (improvement in pad use) and the dry rate (with dry defined as either no or 1 safety pad/day). The number of outpatient adjustments and total filling volumes were also documented in each case. Additionally, we documented incidence and severity of device complications and an analysis of treatment failures.
Results: A total of 140 patients were reviewed, with the most common indication for ATOMS placement being SUI after radical prostatectomy (82.8%). Of the patients included, 53 (37.9%) had previous radiotherapy, with 26 (18.6%) patients having had a previous continence procedure performed. No intraoperative complications were noted. The median preoperative pad usage was 4 pads/day. After a median follow-up of 11 months, median postoperative pad usage reduced to 1 pad/day. In our cohort, 116 patients (82.9%) reported an improvement in their pad usage and were considered successful with 107 (76.4%) patients reporting themselves to be dry. Complications within the first 90-days after surgery occurred in 20 (14.3%) of patients.
Conclusion: Treatment of SUI with the ATOMS is safe and effective. The option of long-term, minimally invasive adjustment to respond to patient needs is a significant advantage.
Keywords: adjustable transobturator male system continence device (ATOMS); efficacy; incontinence; male stress urinary incontinence; post prostatectomy incontinence.
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