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[The use of the contact periodic-pulse laser and microwave scalpels in liver surgery].

In use of the laser (CPPLS) and microwave (MWS) scalpels, the reliability of arrest of bleeding and bile leakage has been proved not only at studies on the intact liver but on the models of jaundice with impaired coagulative blood properties as well. After hepatic resection by means of CPPLS and MWS, the impairement in its functional state lasts for a short time. In use of CPPLS, disturbance in tissue blood flow is less than in use of MWS. Healing of the wounds inflicted by CPPLS and MWS occurs in absence of pronounced exudative and inflammatory reactions. In a wound inflicted by a laser scalpel, the necrotic layer is not pronounced. It is expedient to use the CPPLS and MWS in patients with hepatic masses in technically difficult cholecystectomy as they contribute to decrease in intraoperative blood loss and prevention of the development of complications after the operation.