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Hiatus hernia (HH) is a condition characterized by herniation of the intra-abdominal organs into the thorax. Of the several types that have been identified, the most common is type I (sliding) HH. Congenital predisposition and acquired factors, for example trauma and iatrogeny, have been identified as causative factors. There is a strong association between gastroesophageal reflux disease and HH—the...
Incidence curves for the development of inguinal hernia disease and recurrences thereof exhibit a linear rise over the years and therefore suggest multi-factorial underlying causes. Several studies have revealed marked changes in the abundance and composition of interstitial collagens in patients with (recurrent) hernia diseases, adult groin hernia and incisional hernia. These observations led to...
The pathophysiology of wound healing in the bowel wall suggests that collagen and matrix metalloproteinases (MMPs) have an important role in the changes of the bowel wall seen in several colonic diseases. Several recent studies suggest that disturbances of the collagen texture and the extracellular matrix (ECM) metabolism are major factors leading to the onset of diverticular disease. Changes of the...
Collagen types I, II, and III are the most abundant extracellular matrix (ECM) proteins. Collagenase is a member of the matrix metalloproteinase (MMP) family of enzymes, and is the principal enzyme involved with collagen degradation. Cellular–ECM interactions are vitally important to tissue structure and function. In this review, we summarize recent work that highlights the role of collagenase in...
We report an extremely rare case of complicated Amyand’s hernia. A 61-year-old male patient was admitted with clinical signs of incarcerated right inguinal hernia and localised tenderness in the right iliac fossa. He underwent emergency surgery and the operative findings included perforated appendix and periappendicular abscess within a right inguinal hernia sac. Appendectomy and Shouldice’s herniorrhaphy...
The fundamental mechanism for hernia formation is loss of the mechanical integrity of abdominal wall structural tissue that results in the inability to offset and contain intra-abdominal forces during valsalva and loading of the torso. There is evidence that genetic or systemic extracellular matrix disorders may predispose patients to hernia formation. There is also evidence that acute laparotomy...
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