INTRODUCTION: The anal manometry is an approach for the study of the anal sphincter including the muscles internal and external anal sphincter being responsible for the pressures of rest and contraction. METHOD: retrospective study through the analysis of examinations of anal manometry of 10 patients with diagnosis of constipation taken care of in the clinic of Anal Physiology of the Service of Coloproctologia of the College of Medical Sciences of the Casa Saint of São Paulo in the period of January of 2004 the July of 2004. All the examinations had been analyzed by 3 different examiners being a teacher in anal physiology, a doctor in recent learning and a resident doctor in training and each one supply a finding each examination. RESULT: the examiners are different statistical in the evaluation of the evacuation and contraction pressure. In some situations examiner 1 is different of the other examiners and in a situation examiner 3 is different of excessively. It did not have difference in relation to the findings of presence of anismus, length of the anal canal, final finding of the examination fails esfincteriana and. CONCLUSION: statistical differences had been observed between the examiners, however, these differences had not modified the final finding of the examination. Its final result is not influenced by the reproduction of it by different professionals.
manometry; learning; reproducibility of results; anus; constipation; anal canal
