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. 2016 Mar;27(3):367-75.
doi: 10.1007/s00192-015-2781-y. Epub 2015 Jul 26.

Polyacrylamide Hydrogel (Bulkamid®) for Stress Urinary Incontinence in Women: A Systematic Review of the Literature


Polyacrylamide Hydrogel (Bulkamid®) for Stress Urinary Incontinence in Women: A Systematic Review of the Literature

Anushuya Devi Kasi et al. Int Urogynecol J. .


Introduction and hypothesis: Polyacrylamide hydrogel (PAHG, Bulkamid®) is one of several injectable agents currently used for the treatment of women with urinary stress incontinence. Although bulking agents appear to have lower efficacy rates compared to other surgical treatments, current evidence based on large prospective or comparative studies as well as systematic reviews is limited. The purpose of this study was to conduct a systematic review on the efficacy of PAHG in the treatment of female patients with stress urinary incontinence with regard to reproducibility, feasibility, safety and clinical outcome.

Methods: We searched MEDLINE (1966-2015), Scopus (2004-2015), POPLINE (1974-2015) and (2008-2015) along with reference lists of electronically retrieved studies. Observational studies, prospective, retrospective and randomized controlled studies were included. Two reviewers independently selected studies, assessed the risk of bias and tabulated data to structured forms.

Results: We included 8 studies, which enrolled a total of 767 patients who received treatment with PAHG. We found that 186 of 767 women (24.3 %, range 12-35 %) required reinjection in order to achieve adequate efficacy. The most frequent adverse effects were pain at the site of injection (4-14 %) and urinary tract infections (3-7 %). Both the number of incontinence episodes/24 h and the number of ml/24 h were significantly reduced 1 year following treatment and the quality of life of patients was significantly improved.

Conclusions: PAHG is a safe intervention for treating women with stress urinary incontinence, but repeat injections are often required. Further research is mandated in the field in order to compare its efficacy to other bulking agents.

Keywords: Bulkamid; Polyacrylamide hydrogel; Stress urinary incontinence.

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