Effect of imidafenacin on the urodynamic parameters of patients with indwelling bladder catheters due to spinal cord injury

H. Sugiyama, O. Uemura, T. Mori, N. Okisio, K. Unai, M. Liu

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Study design: A retrospective study.Objectives: To investigate the effect of imidafenacin on the urodynamic parameters of patients with indwelling bladder catheters due to spinal cord injury (SCI).Setting: Spinal center (Tokyo, Japan).Methods: Imidafenacin was prescribed to 34 patients with SCI who had a low cystometric volume and/or detrusor compliance according to a urodynamic study. A low cystometric volume and detrusor compliance were defined as <200 ml and <20 ml cm-1 H2O, respectively. The urodynamic study was repeated 4 weeks after imidafenacin was prescribed. When the urodynamic parameters did not improve in the follow-up study, the dose of imidafenacin was increased twofold. Then the urodynamic study was repeated 4 weeks thereafter. We compared the urodynamic parameters before and after imidafenacin treatment. Complications such as vesico-urethral reflux (VUR) and autonomic dysreflexia (AD) were documented.Results: Fifteen patients took 0.2 mg of imidafenacin daily, and 19 received 0.4 mg of imidafenacin daily. Imidafenacin increased the cystometric volume from 246.0 to 321.5 ml (median, P=0.002), detrusor compliance from 6.67 ml cm-1 H2O to 8.98 ml cm-1 H2O (median, P=0.012), and decreased the detrusor pressure from 37.0 cm H2O to 30.5 cm H2O (median, P=0.056). All three patients who had VUR fully recovered. Although 3 of 12 patients recovered from AD, 3 patients newly developed symptoms of AD. No patient withdrew from treatment due to adverse effects.Conclusion: Imidafenacin is a safe drug that may improve the urodynamic parameters of patients with SCI, and it possibly alleviates bladder complications.

Original languageEnglish
Pages (from-to)187-191
Number of pages5
JournalSpinal Cord
Volume55
Issue number2
DOIs
Publication statusPublished - 2017 Feb 1

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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