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Unnecessary abdominal explorations in severely injured patients can be reduced by employing emergent or urgent laparoscopy in blunt abdominal trauma and the obscured, acute abdominal cases. In 150 blunt abdominal trauma cases, a mini-laparoscopy was used in the emergency room or the intensive care unit without major complications. In 56%, the findings were negative. In 19%, the laparoscopic findings were corroborated by surgery. In 25%, a minimal to moderate hemoperitoneum was found and the laparoscopic impression dictated close observation. Unnecessary exploration was avoided except in one case. In the elderly high-risk patient with a poor history, abdominal examination can be noninformative. Laparoscopy can detect acute appendicitis or organ perforation. In the young female, appendicitis can be differentiated from pelvic inflammatory disease. Laparoscopy is more accurate and gives a larger latitude for decision-making than lavage. It can also be useful in the obscured problematic abdominal case.

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Laparoscopic cholecystectomy provides a new approach for gallbladder removal with which most general surgeons are not familiar. Requisites for the safe performance of this procedure are good hand-eye coordination, depth perception, and team cooperation. To aid with problems in depth perception and in the opposing movements caused by the lever principle, a training model was designed in which surgeons may execute a variety of exercises to enhance their motor skills and learn to work cooperatively with two other surgeons before operating on an experimental animal.