Impairment of accessory nerves around major pelvic ganglion leading to overflow urinary incontinence in rats.
accessory nerve
major pelvic ganglion
neurogenic bladder
overflow urinary incontinence
rat
Journal
Neurourology and urodynamics
ISSN: 1520-6777
Titre abrégé: Neurourol Urodyn
Pays: United States
ID NLM: 8303326
Informations de publication
Date de publication:
02 2021
02 2021
Historique:
received:
23
09
2020
revised:
08
12
2020
accepted:
04
01
2021
pubmed:
26
1
2021
medline:
23
6
2021
entrez:
25
1
2021
Statut:
ppublish
Résumé
To investigate the relationship between lower urinary tract function and the accessory nerve (ACN) arising from the major pelvic ganglion (MPG). Ten-week-old male Wistar/ST rats were randomly divided into eight groups according to the type of treatment (sham or bilateral accessory nerve injury [BACNI]) and the duration of observation (3 days, 1 week, 2 weeks, or 4 weeks: Sham-3d, Sham-1w, Sham-2w, Sham-4w, BACNI-3d, BACNI-1w, BACNI-2ws, and BACNI-4w. BACNI was induced in the following manner: the ACN was crushed for 1 min (2 mm away from the MPG) using reverse-action tweezers. The same procedure was performed on both sides. On the last day of each observation period, the bladder function was measured by awake cystometry, and histological evaluation was performed. All rats in the Sham groups micturated normally. In the BACNI-3d and BACNI-1w groups, all rats showed symptoms of overflow urinary incontinence (OUI). This OUI improved gradually over time. The bladder's size in the BACNI group was significantly larger than that in the Sham group (p < .01). In addition, fibrosis was observed in the subserosa of the bladder of rats in BACNI groups. The BACNI model rats exhibited OUI, suggesting that ACN is involved in the lower urinary tract function. It might be possible that ACN controls the function of either the bladder, the urethra, or both.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
624-631Informations de copyright
© 2021 Wiley Periodicals LLC.
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