Article ; Online: Variation in bony landmarks and predictors of success with sacral neuromodulation.
International urogynecology journal
2019 Volume 30, Issue 11, Page(s) 1973–1979
Abstract: Introduction and hypothesis: We assessed variations in sacral anatomy and lead placement as predictors of sacral neuromodulation (SNM) success. Based solely on bony landmarks, we also assessed the accuracy of the 9 and 2 protocol for locating S3.: ... ...
Abstract | Introduction and hypothesis: We assessed variations in sacral anatomy and lead placement as predictors of sacral neuromodulation (SNM) success. Based solely on bony landmarks, we also assessed the accuracy of the 9 and 2 protocol for locating S3. Methods: This is a retrospective cohort study performed from October 2008 to December 2016 at the University of North Carolina at Chapel Hill. Fluoroscopic images were used to assess sacral anatomy and lead location. Success was defined as >50% symptom improvement after stage I and clinical response at most recent follow-up. Results: Of 249 procedures, 209 were primary implants and 40 were revisions among 187 (89.5%) women and 22 (10.5%) men. Success rate was 83.3% for primary implants and 89.4% for revisions. Success was associated with shorter implant duration (21.3 ± 22.2 vs 33.6 ± 25.8 months), higher body mass index (30.3 ± 7.8 vs 27.6 ± 6.1 kg/m Conclusions: Variations in sacral anatomy and lead placement did not predict SNM success. The 2-cm protocol was verified while the 9-cm protocol was not, although neither was predictive of success, which may obviate the need to mark bony landmarks prior to fluoroscopy. |
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MeSH term(s) | Adult ; Aged ; Anatomic Landmarks ; Cohort Studies ; Electric Stimulation Therapy/instrumentation ; Female ; Forecasting ; Humans ; Implantable Neurostimulators ; Male ; Middle Aged ; Retrospective Studies ; Sacrum/anatomy & histology ; Treatment Outcome ; Urinary Bladder, Overactive/therapy |
Language | English |
Publishing date | 2019-02-07 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 1050631-7 |
ISSN | 1433-3023 ; 0937-3462 |
ISSN (online) | 1433-3023 |
ISSN | 0937-3462 |
DOI | 10.1007/s00192-019-03883-3 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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