Family Medicine & Medical Science Research
Open Access

Norihiro Saito

Publications

• Research Article
  Possible Involvement of Hyperactive Internal Anal Sphincter in Adult Megacolon
  Author(s): Hiroyuki Kayaba, Hiroaki Yoshino, Mayako Morii, Masamichi Itoga and Norihiro Saito Hiroyuki Kayaba, Hiroaki Yoshino, Mayako Morii, Masamichi Itoga and Norihiro Saito
  
  Background: Adult megacolon comprises a heterogeneous group of conditions. This study is a retrospective review of a series of adult megacolon aimed to discriminate a subpopulation of this condition by elucidating shared physiopathology. Methods: Eight adult megacolon patients without Hirschsprung’s disease were treated over 15 years. Their clinical characteristics were evaluated with an epmphasis on manometric studies. Results: There were three females and five males aged 60.9 years on average. Seven of the eight patients had central nervous system disorders including epilepsy (4), Parkinson’s syndrome (2) and others (5). Three patients had hemorrhoids. All of these eight patients suffered from chronic constipation, and six of them had a history of sigmoid volvulus. Manometric study revealed anal Ultra.. View More»
  DOI: 10.4172/2327-4972.1000161

  Abstract PDF

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