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  • Title: Prevalence and mechanism of bladder dysfunction in Guillain-Barré Syndrome.
    Author: Sakakibara R, Uchiyama T, Kuwabara S, Mori M, Ito T, Yamamoto T, Awa Y, Yamaguchi C, Yuki N, Vernino S, Kishi M, Shirai K.
    Journal: Neurourol Urodyn; 2009; 28(5):432-7. PubMed ID: 19260087.
    Abstract:
    AIM: To examine the prevalence and mechanism of urinary dysfunction in GBS. METHODS: Urinary symptoms were observed and neurological examinations made repeatedly during hospitalization of 65 consecutive patients with clinico-neurophysiologically definite GBS. The patients included 41 men, 24 women; mean age, 41 years old; mean Hughes motor grade, 3; AIDP, 28, AMAN, 37. Urodynamic studies consisted of uroflowmetry, measurement of post-micturition residuals, medium-fill water cystometry, and external anal sphincter electromyography. RESULTS: Urinary dysfunction was observed in 27.7% of GBS cases (urinary retention, 9.2%). Urinary dysfunction was related to the Hughes motor grade (P < 0.05), defecatory dysfunction (P < 0.05), age (P < 0.05), and negatively related to serum IgG class anti-ganglioside antibody GalNAc-GD1a (P < 0.05). Urinary dysfunction was more common in AIDP (39%) than in AMAN (19%). No association was found between antibody titer against neuronal nicotinic acetylcholine receptors and urinary dysfunction. Urodynamic studies in nine patients, mostly performed within 8 weeks after disease onset, revealed post-void residual in 3 (mean 195 ml), among those who were able to urinate; decreased bladder sensation in 1; detrusor overactivity in 8; low compliance in 1; underactive detrusor in 7 (both overactive and underactive detrusor in 5); and nonrelaxing sphincter in 2. CONCLUSION: In our series of GBS cases, 27.7% of the patients had urinary dysfunction, including urinary retention in 9.2%. Underactive detrusor, overactive detrusor, and to a lesser extent, hyperactive sphincter are the major urodynamic abnormalities. The underlying mechanisms of urinary dysfunction appear to involve both hypo- and hyperactive lumbosacral nerves. Neurourol. Urodynam. 28:432-437, 2009. (c) 2009 Wiley-Liss, Inc.
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