Hydatid cysts of the liver have been treated surgically for many years by several surgical techniques including evacuation, marsupialization, and filling the cyst with saline after evacuation of the endocyst. We have previously reported laparoscopic treatment of hydatid cysts using the same hydatid asepsis and surgical techniques as in open surgery, with comparable results. Spillage of hydatid fluid during open surgery has been shown to result in serious anaphylactic reaction. The present report describes the first case report of such a reaction during laparoscopic treatment of hydatid cyst of the liver.

Hemoglobin desaturation occurs more rapidly during apnea following OLV than TLV. The rapid desaturation may be attributed to the decrease of FRC, associated with an increased transpulmonary shunting. The results suggest that two-lung ventilation with oxygen 100% provides a greater safety margin than one-lung ventilation with oxygen 100% whenever ventilation is interrupted.

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