title: The correlation between retrograde leak point pressure and 24-hour pad weight.
abstract: To assess the correlation between retrograde leak point pressure (RLPP) and 24-hr pad weight (24PW) in men with post-prostatectomy incontinence.
  
  
  
  We performed RLPP and 24PW measurements on 61 patients with a history of post-prostatectomy stress urinary incontinence (SUI). We examined the relationship of RLPP and 24PW. We also reviewed the urodynamic and clinical data of these patients to explain our findings.
  
  
  
  The mean age was 70 years (SD ± 7.4, range: 51-87). The mean RLPP was 36.8 cmH2O (SD ± 15.3, range: 9-76), the mean 24PW was 499 g (±677 g, range: 16.5-3,177 g). There was a good and significant negative correlation between RLPP and 24PW (r = 0.56, P < 0.01). RLPP was able to differentiate between cases of mild/moderate (<400 g) and severe (≥400 g) incontinence. Patients with RLPP <30 cmH2O had significantly higher 24PW (mean 825 g, median 768 g) when compared with patients with RLPP >30 cmH2O (mean 257.8 g, median 100 g, P < 0.01).
  
  
  
  RLPP could be used as an objective and potentially more reliable substitute to pad weight to objectify and stratify SUI in post-prostatectomy patients. Neurourol. Urodynam. 36:1119-1123, 2017. © 2016 Wiley Periodicals, Inc.
authors.affiliation: University College London Hospital, London, United Kingdom.
authors.forename: Eskinder
authors.initials: E
authors.lastname: Solomon
authors.affiliation: University College London Hospital, London, United Kingdom.
authors.forename: Antoine
authors.initials: A
authors.lastname: Kass-Iliyya
authors.affiliation: University College London Hospital, London, United Kingdom.
authors.forename: Sachin
authors.initials: S
authors.lastname: Malde
authors.affiliation: University College London Hospital, London, United Kingdom.
authors.forename: Alexander Paul Squire
authors.initials: APS
authors.lastname: Kirkham
authors.affiliation: University College London Hospital, London, United Kingdom.
authors.forename: Tamsin Jillian
authors.initials: TJ
authors.lastname: Greenwell
authors.affiliation: University College London Hospital, London, United Kingdom.
authors.forename: Jeremy Louis
authors.initials: JL
authors.lastname: Ockrim
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D006801:Humans; D016496:Incontinence Pads; D008297:Male; D008875:Middle Aged; D011312:Pressure; D011468:Prostatectomy / Q000009:adverse effects*; D014521:Urethra / Q000503:physiopathology; D014549:Urinary Incontinence / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D014563:Urodynamics; D014567:Urography
keywords: artificial urinary sphincter; prostatectomy; radiotherapy; urinary incontinence; urodynamics