نتایج جستجو برای: megacolon
تعداد نتایج: 681 فیلتر نتایج به سال:
Purpose: Surgical treatment of chagasic megacolon has suffered innumerable transformations over the years. Poor knowledge of the disease physiopathology is one of the reasons. Methods: From January 1977 to December 2003, 430 patients were submitted to surgical treatment for chagasic megacolon. Of these procedures, 351 were elective and 79 emergency operations carried out at the University Hospi...
Studies of both rectosphincteric reflex threshold and conscious rectal sensitivity threshold were performed on 15 control subjects and 61 children with a radiological megarectum, 70% of whom were encopretics. In control subjects, the reflex threshold and the sensitivity threshold were obtained with a comparable volume of rectal distension. In the megarectum patients, sensitivity was often consi...
Impairments of endothelin receptor B (Ednrb/EDNRB) cause the development of Waardenburg-Shah syndrome with congenital hearing loss, hypopigmentation, and megacolon disease in mice and humans. Hearing loss in Waardenburg-Shah syndrome has been thought to be caused by an Ednrb-mediated congenital defect of melanocytes in the stria vascularis (SV) of inner ears. Here we show that Ednrb expressed i...
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