Anorectal manometry in children with chronic functional constipation

Bigélli, Rosa Helena Monteiro; Fernandes, Maria Inez Machado; Vicente, Yvone de Moraes Villela de Andrade Avalloni; Dantas, Roberto Oliveira; Galvão, Lívia Carvalho; Campos, Antonìo

doi:10.1590/s0004-28032005000300010

Cited by 8 publications

(6 citation statements)

References 16 publications

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“…This manoeuvre is under voluntary control and is primarily a learned response. The pathophysiological mechanisms of relaxation of the IAS can be studied by ARM [15] that can reveal hypertonia, hypotonia or a paradoxical effect [16] of the IAS. Particularly hypertonia can be the cause of constipation and a suitable treatment can solve the problem.…”

Section: Discussionmentioning

confidence: 99%

Role of anorectal manometry in children with severe constipation

et al. 2009

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Section: Discussionmentioning

confidence: 99%

Role of anorectal manometry in children with severe constipation

et al. 2009

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“…Absolute or relative amplitude of the relaxation of internal sphincter depends on its preexisting muscle tone and the magnitude of its collaboration in maintaining pressure response 4 .…”

Section: Discussionmentioning

confidence: 99%

“…Among chronically constipated children there may be greater rectal accommodation and an increase in the threshold of rectal sensitivity because of the greater-than-normal elasticity of the rectal wall 4,11 .…”

Section: Discussionmentioning

confidence: 99%

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Comparison between perfusion and balloon techniques for performing anorectal manometry in children with intestinal constipation

2008

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INTRODUCTION: Two anorectal manometry techniques have commonly been utilized: the perfusion technique and the balloon technique. PURPOSE: To compare both techniques in children with intestinal constipation who had not undergone surgical treatment for its correction. METHODS: Thirty-nine children aged between four and fourteen years underwent anorectal manometry using both techniques at random. Resting pressure, pressure response to voluntary contraction, coughing and perianal stimulation, maximum pressure on the anal canal pressure curve, and presence of rectosphincteric reflex were registered and submitted to statistics. Vectorgraphy of the sphincter muscle complex was obtained by perfusion technique. RESULTS: The statistical comparison between the techniques revealed statistically significant differences in resting pressure (p=0.041), pressure response to voluntary contraction (p=0.026) and maximum pressure within the pressure curve (p=0.010). The rectosphincteric reflex was demonstrated in 21 patients by both techniques. CONCLUSIONS: The perfusion technique presented greater sensitivity in the following parameters: resting pressure, pressure response to voluntary contraction and maximum pressure within the pressure curve. The methods studied are equivalent regarding the measurement of pressure responses to coughing and perianal stimulation and the investigation of rectosphincteric reflex.

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“…Upon analysis of the diagnostic methods available for the assessment of the anorectal region, manometry is one among the most important tools for the identification of sphincter defects and the elucidation of fecal incontinence [12][13][14][15][16] and intestinal constipation [17][18][19]. On the other hand, sphincter trauma does not occur on a regular basis, making the grouping of patients by lesion type difficult, not to mention the fact that understanding of the lesion anatomy and physiopathology is rather poor.…”

Section: Introductionmentioning

confidence: 99%

Acute alterations in anorectal manometry induced by proximal and distal sphincterotomy. Experimental studies on piglets

et al. 2007

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Anal incontinence causes psychological, social and adaptive troubles prejudicial to the quality of life both in children and adults. Therefore, the detailed knowledge of its causes and the improvement of diagnostic and therapeutic methods increase the possibilities of a more adequate social life to patients with congenital anomalies or sphincteric lesions or degenerations. In this work, a manometric study was developed through an experimental model so as to analyze alterations in behavior of muscle groups responsible for the anorectal sphincteric mechanism, previous to and after proximal and distal lesions. Twenty-two pigs aged between 25 and 30 days, weighing 5-7 kg, were randomly divided into two groups. They were submitted to lesions of different levels in the anorectal muscle. The animals were studied by anorectal manometry (rectoanal inhibitory reflex and vector volume) before and after the lesions. The Student t test and the Wilcoxon test were applied for the statistical analyses, considered p

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Anorectal manometry in children with chronic functional constipation

Abstract: We conclude that the anal basal pressure decreased in children recovering from chronic functional constipation, but the standard treatment did not provide all the conditions necessary for the relaxation reflex of constipated children to return to the values described in normal children.

Cited by 8 publications

References 16 publications

Role of anorectal manometry in children with severe constipation

Role of anorectal manometry in children with severe constipation

Comparison between perfusion and balloon techniques for performing anorectal manometry in children with intestinal constipation

Acute alterations in anorectal manometry induced by proximal and distal sphincterotomy. Experimental studies on piglets

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