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KMID : 1812020220280020303
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Journal of Neurogastroenterology and Motility
2022 Volume.28 No. 2 p.303 ~ p.311
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Three-dimensional High-resolution Anorectal Manometry in Children With Non-retentive Fecal Incontinence
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Banasiuk Marcin
Dziekiewicz Marcin
Dobrowolska Magdalena
Skowronska Barbara
Dembinski Lukasz
Banaszkiewicz Aleksandra
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Abstract
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Background/Aims: Three-dimensional high-resolution anorectal manometry (3D-HRAM) is a precise tool to assess the function of the anorectum. Our aim is to evaluate children diagnosed with non-retentive fecal incontinence (NRFI) using 3D-HRAM.
Methods: In all children diagnosed with NRFI, manometric parameters and 3-dimensional reconstructions of the anal canal subdivided into 8 segments were recorded. All data were compared to raw data that were obtained from asymptomatic children, collected in our laboratory and published previously (C group).
Results: Forty children (31 male; median age, 8 years; range, 5-17) were prospectively included in the study. Comparison of the NRFI group and C group revealed lower values of mean resting pressure (74.4 mmHg vs 89.2 mmHg, P > 0.001) and maximum squeeze pressure (182 mmHg vs 208.5 mmHg, P = 0.018) in the NRFI group. In the NRFI group, the thresholds of sensation, urge and discomfort (40 cm3, 70 cm3, and 140 cm3, respectively) were significantly higher than those in the C group (20 cm3, 30 cm3, and 85 cm3, respectively; P > 0.001). In the NRFI group, 62.5% presented a mean resting pressure above the fifth percentile, and 82.5% of patients presented a maximum squeeze pressure above the fifth percentile. The comparisons between segments obtained from these patients and those obtained from the C group revealed several segments with significantly decreased pressure values in the NRFI group.
Conclusions: Our study demonstrated lower pressure parameters in children with NRFI. In patients with normal resting pressures, 3D-HRAM may reveal segments with decreased pressures, which may play a potential role in the pathomechanism of incontinence.
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KEYWORD
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Child, Fecal incontinence, High-resolution manometry
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