• Nimet Senoglu, Mehmet F Yuzbasioglu, Hafize Oksuz, Huseyin Yildiz, Zafer Dogan, Ertan Bulbuloglu, Mustafa Goksu, and Gokce Gisi.
• Department of Anesthesiology and Reanimation, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey. nimetsenoglu@hotmail.com
• J Laparoendosc Adv Surg Tech A. 2010 Apr 1;20(3):219-23.

Background And ObjectiveThe pneumoperitoneum has been shown to decrease femoral blood flow, resulting in venous stasis. We analyzed the effects of the pneumoperitoneum and epidural analgesia on femoral vein diameter and the peak flow rate of femoral vein during laparoscopic cholecystectomy.Patients And MethodsForty patients were randomly allocated to receive either combined epidural analgesia (EA) and general anesthesia (GA) (group EA/GA) or GA alone (group GA). Laparoscopic cholecystectomy was the standard operation for the selected patients. Then, 10 mL of 1% lidocaine in group EA/GA or physiologic serum in group GA was injected via epidural catheter. Peak flow rates (PFRs) of femoral vein cross-sectional areas (CSAs) were measured from the right femoral vein at three different times: after induction of anesthesia, during the pneumoperitoneum, and after abdominal deflation, but prior to reversal of anesthesia.ResultsThe two groups were similar in age, sex, body mass index, and duration of operation. The CSA slightly increased after the induction of anesthesia, compared with the previous measurements, although there was no statistical significance between them for both groups (P > 0.05). The PFR decreased, whereas the CSA increased during the pneumoperitoneum in each group. The PFR values after basal measurements were significantly higher in the EA/GA than in the GA group (P < 0.05). Group EA/GA had significantly lower heart-rate and blood-pressure levels during surgery than those in group GA (P < 0.05).ConclusionsAbdominal insufflation during laparoscopic cholecystectomy results in dilation and decreased flow in the common femoral vein. Epidural analgesia added to the GA partially compensated for the reduction in femoral PFR.

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