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Related Concept Videos

Physiology of the Gastrointestinal System I: Ingestion and Propulsion01:22

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The physiology of the gastrointestinal system begins with ingestion as food enters the mouth.
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Physiology of the Gastrointestinal System II: Digestion and Absorption01:22

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The gastrointestinal (GI) tract, extending from the mouth to the anus, plays a pivotal role in the digestion and absorption of nutrients. This process involves both mechanical and chemical actions facilitated by various enzymes.
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The gastrointestinal elimination process involves a complex interplay of neural and hormonal mechanisms that coordinate the final waste removal from the body. This intricate operation encompasses the absorption of water and electrolytes, vital for transforming the remaining indigestible food matter into feces. The large intestine is pivotal in water and electrolyte absorption, forming feces from unabsorbed minerals, undigested food, bacteria, bile pigments, and shed epithelial cells. Essential...
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Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous).
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Related Experiment Video

Updated: Jan 26, 2026

Urethral Stricture Induction Followed by Buccal Mucosa Graft Urethroplasty in a Rat Model
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[Physiologic type reconstruction in upper gastrointestinal caustic strictures].

Lajos Kotsis1, Szilárd Kostic1, Zoltán Heiler1

  • 1Mellkassebészet, Országos Korányi Tüdőgyógyászati Intézet Budapest.

Orvosi Hetilap
|April 16, 2019
PubMed
Summary
This summary is machine-generated.

This study details surgical treatment for upper gastrointestinal caustic stenosis using colonic segments, finding it effective for various conditions with low morbidity and successful complication management.

Keywords:
Billroth I. típusú antropylorectomiaa nyelőcső és a gyomor korrozív szűkületeicolon grafts in benign diseases with long life expectanceisoperistaltic transverse colon bypassizoperisztaltikus colonbypassjellegzetes adaptációs jelenségeklimited gastric resectionlong-term features of colonic adaptationlégúti fistuláktype of surgical strategyupper gastrointestinal caustic strictures

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Area of Science:

  • Gastroenterology
  • Surgical Oncology
  • Regenerative Medicine

Background:

  • Caustic ingestion can lead to severe upper gastrointestinal stenosis.
  • Surgical intervention is often necessary for complex cases involving the esophagus and stomach.

Purpose of the Study:

  • To evaluate the efficacy of isoperistaltic transverse colonic segments in surgical treatment of caustic stenosis.
  • To assess the use of colonic grafts for esophageal stenosis, gastric outlet obstruction, and combined conditions.
  • To explore indications for colonic grafts in tracheo-esophageal fistulas and esophageal perforations.

Main Methods:

  • Surgical reconstruction using isoperistaltic transverse colonic segments.
  • Radiokinematography and histochemistry for assessing graft adaptation.
  • Analysis of overall morbidity and complication rates.

Main Results:

  • Overall morbidity was 4.9%, with spontaneous closure of postoperative salivary fistulas.
  • Late postoperative complications occurred in 13.5% of cases and were successfully treated.
  • Colonic graft motility prevented reflux, and mucosal changes prevented ulcer formation.

Conclusions:

  • Isoperistaltic transverse colonic segments are a viable option for complex upper gastrointestinal caustic stenosis.
  • The technique demonstrates good long-term adaptation and functional outcomes.
  • Colonic grafts offer a protective effect against reflux and ulceration in reconstructive surgery.