期刊
WORLD JOURNAL OF GASTROINTESTINAL SURGERY
卷 13, 期 8, 页码 822-833出版社
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.4240/wjgs.v13.i8.822
关键词
Hirschsprung disease; Aganglionosis; Proximal; Ganglionic; Constipation; Incontinence
Hirschsprung's disease is a congenital disorder characterized by aganglionosis, with patients often experiencing persistent bowel dysfunction even after surgical resection. There is growing evidence of neuropathological abnormalities in HD patients, including imbalances in neurotransmitters and abnormal expression of enteric pacemaker cells.
Hirschsprung's disease (HD) is a congenital disorder, characterized by aganglionosis in the distal part of the gastrointestinal tract. Despite complete surgical resection of the aganglionic segment, both constipation and fecal incontinence persist in a considerable number of patients with limited treatment options. There is growing evidence for structural abnormalities in the ganglionic bowel proximal to the aganglionosis in both humans and animals with HD, which may play a role in persistent bowel dysfunction. These abnormalities include: (1) Histopathological abnormalities of enteric neural cells; (2) Imbalanced expression of neurotransmitters and neuroproteins; (3) Abnormal expression of enteric pacemaker cells; (4) Abnormalities of smooth muscle cells; and (5) Abnormalities within the extracellular matrix. Hence, a better understanding of these previously unrecognized neuropathological abnormalities may improve follow-up and treatment in patients with HD suffering from persistent bowel dysfunction following surgical correction. In the long term, further combination of clinical and neuropathological data will hopefully enable a translational step towards more individual treatment for HD.
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