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  • Title: Combination of subcutaneous abdominal wall retraction and optical trocar to minimize pneumoperitoneum-related effects and needle and trocar injuries in laparoscopic surgery.
    Author: Angelini L, Lirici MM, Papaspyropoulos V, Sossi FL.
    Journal: Surg Endosc; 1997 Oct; 11(10):1006-9. PubMed ID: 9381337.
    Abstract:
    BACKGROUND: Both pneumoperitoneum and blind needle and trocar insertion may cause complications: because of the well-known physiological effects, CO2 insufflation is not indicated in patients with impairment of cardiorespiratory function and high-risk patients; injuries to underlying viscera and vessels by needles and trocars have been reported even when the open technique is used. METHODS: A technique which combines abdominal wall suspension by a new subcutaneous lifter (LaparoTenser) and optical trocar (OptiView) insertion has been evaluated in a random series of 22 patients undergoing various laparoscopic procedures. The optic trocar was inserted without previous insufflation, but low-pressure (1-5 mmHg) pneumoperitoneum was associated during the course of the procedure in 16 cases. RESULTS: The exposure of the operating field was good or sufficient in 21 cases (95%), while the placement of the optical trocar was always safe. One complication related to the insertion of the subcutaneous needles of the wall lifter occurred (suprafascial hematoma). CONCLUSIONS: The subcutaneous retractor allows the use of conventional cannulae and the combination of abdominal wall suspension with or without low-pressure pneumoperitoneum, thus enhancing the quality of exposure with no effect on the hemodynamic and respiratory functions.
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