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Anastomosis

An anastomosis is a surgical connection between two structures. It usually means a connection that is created between tubular structures, such as blood vessels or loops of intestine.

For example, when part of an intestine is surgically removed, the two remaining ends are sewn or stapled together (anastomosed). The procedure is known as an intestinal anastomosis.

Information

Examples of surgical anastomoses are:

  • Arteriovenous fistula (an opening created between an artery and vein) for dialysis
  • Colostomy (an opening created between the bowel and the abdomen)
  • Intestinal, in which two ends of intestine are sewn together
  • A connection between a graft and a blood vessel to create a bypass

References

Mahmoud NN, Bleier JIS, Aarons CB, Paulson EC, Shanmugan S, Fry RD. Colon and rectum. In: Townsend CM Jr., Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery. 20th ed. Philadelphia, PA: Elsevier; 2017:chap 51.

    • Gastrectomy

      Gastrectomy - illustration

      The stomach connects the esophagus to the small intestine, and functions to break up food into small particles that can be absorbed by the small intestine. In cases of chronic stomach problems (such as ulcers), obesity or cancer, partial or total removal of the stomach may be indicated. In the procedure, the diseased portion of the stomach is removed and the small intestine is attached to the remainder of the stomach to maintain the integrity of the digestive tract. The patient will be on nasograstric tube suction to keep the stomach empty and at rest after surgery. After several days, and when the stomach starts to function normally again, the tube will be removed and the patient will begin ingesting clear liquids and gradually progress to a full and normal diet.

      Gastrectomy

      illustration

      • Gastrectomy

        Gastrectomy - illustration

        The stomach connects the esophagus to the small intestine, and functions to break up food into small particles that can be absorbed by the small intestine. In cases of chronic stomach problems (such as ulcers), obesity or cancer, partial or total removal of the stomach may be indicated. In the procedure, the diseased portion of the stomach is removed and the small intestine is attached to the remainder of the stomach to maintain the integrity of the digestive tract. The patient will be on nasograstric tube suction to keep the stomach empty and at rest after surgery. After several days, and when the stomach starts to function normally again, the tube will be removed and the patient will begin ingesting clear liquids and gradually progress to a full and normal diet.

        Gastrectomy

        illustration

      Review Date: 5/21/2016

      Reviewed By: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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