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  • Title: Comparison of laparoscopic handsewn suture techniques for experimental small-bowel anastomoses.
    Author: Waninger J, Salm R, Imdahl A, Haberstroh J, Schoop C, Voshege M, Farthmann EH.
    Journal: Surg Laparosc Endosc; 1996 Aug; 6(4):282-9. PubMed ID: 8840450.
    Abstract:
    Laparoscopic techniques have only rarely been applied to procedures on the small bowel. A comparison of three handsewn intracorporeal anastomoses was carried out. Thirty pigs were divided into three groups, and a different technique was used in each group (SK, single knot; RS, running suture; CL, clip suture). Half of the animals had a relaparoscopy on day 4. The duration of the procedure was recorded, and the quality of anastomotic healing was assessed by morphological, radiological, mechanical, and biochemical examinations. The animals were sacrificed on postoperative day 14. The anastomoses in the SK group took significantly longer than in the RS or CL groups. The mean duration of relaparoscopy was 28 min. Bursting pressure values and hydroxyproline concentrations were without any significant difference. The SK and CL groups showed a good alignment of the layers and the RS showed necrosis and overlying mucosa. Most complications were noted in RS. The results demonstrate that manual small-bowel anastomoses can be performed laparoscopically. Single-knot and clip sutures are reliable techniques. The ongoing development of new instruments and the three-dimensional technique will basically improve the construction of intracorporeal anastomoses.
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