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Chapter-04 Physiology of Stoma

BOOK TITLE: Stoma Care

Author
1. Balachandar TG
ISBN
9789352704873
DOI
10.5005/jp/books/18070_5
Edition
1/e
Publishing Year
2018
Pages
8
Author Affiliations
1. Apollo Hospitals, Greams Road, Chennai, Tamil Nadu, India
Chapter keywords
Stoma, small intestine, ileal absorption, oral intake, intestinal consistency, nutritional effect, colostomy, proximal colostomy, middle colostomy, distal colostomy

Abstract

This chapter aims to present a brief discussion on physiology of stoma. Sometimes patients who are subjected to intestinal stoma are subjected to variations in the output leading to disturbances in the fluid and electrolyte homeostasis. Hence, it is necessary for us to understand the normal physiology and systemic response to fecal diversion. A detailed description on normal jejunal and ileal absorption has been presented in this chapter. Water intake plays virtually no role in determining ileostomy output except that dehydration is associated with decreased outputs and thicker consistency. Normal nutrition is the goal and generally also the rule in patients with established ileostomies. As long as terminal ileal resections are limited, there are few nutritional consequences. The bacterial flora of the ileum after ileostomy is intermediate in nature between small intestine and colon. A brief discussion on colostomy including general, proximal, middle, and distal colostomy has been also presented in this chapter.

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