Document Detail

Periurethral injection of autologous adipose-derived regenerative cells for the treatment of male stress urinary incontinence: Report of three initial cases.
MedLine Citation:
PMID:  22435469     Owner:  NLM     Status:  Publisher    
Objectives:  To report a novel cell therapy using autologous adipose tissue-derived regenerative cells for male stress urinary incontinence caused by urethral sphincteric deficiency, and the outcomes in the initial cases undergoing periurethral injection of adipose tissue-derived regenerative cells. Methods:  Three patients with moderate stress incontinence after radical prostatectomy and holmium laser enucleation of the prostate were enrolled. Adipose tissue-derived regenerative cells were isolated from the abdominal adipose tissue by using the Celution system. Subsequently, the isolated adipose tissue-derived regenerative cells, and a mixture of adipose tissue-derived regenerative cells and adipose tissue were transurethrally injected into the rhabdosphincter and submucosal space of the urethra, respectively. Short-term outcomes during a 6-month follow up were assessed by a 24-h pad test, a validated patient questionnaire, urethral pressure profile, transrectal ultrasonography and magnetic resonance imaging. Results:  Urinary incontinence progressively improved after 2 weeks of injection up to 6 months in terms of decreased leakage volume, decreased frequency and amount of incontinence, and improved quality of life. Both maximum urethral closing pressure and functional profile length increased. Magnetic resonance imaging suggested a sustained presence of the injected adipose tissue. Enhanced ultrasonography showed a progressive increase in the blood flow to the injected area. No significant adverse events were observed peri- and postoperatively. Conclusion:  These preliminary findings suggest that periurethral injection of the autologous adipose tissue-derived regenerative cells is a safe and feasible treatment modality for male stress urinary incontinence.
Tokunori Yamamoto; Momokazu Gotoh; Masashi Kato; Tsuyoshi Majima; Kazuhiro Toriyama; Yuzuru Kamei; Hideki Iwaguro; Yoshihisa Matsukawa; Yasuhito Funahashi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-21
Journal Detail:
Title:  International journal of urology : official journal of the Japanese Urological Association     Volume:  -     ISSN:  1442-2042     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9440237     Medline TA:  Int J Urol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 The Japanese Urological Association.
Departments of Urology Plastic and Reconstructive Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan Cytori Therapeutics, Inc., San Diego, California, USA.
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