title: Intermittent pneumatic sequential compression of the lower extremities restores the cerebral oxygen saturation during laparoscopic cholecystectomy.
abstract: BACKGROUND
  Pneumoperitoneum causes intracranial pressure elevation and blood stasis at lower extremities. This study investigates cerebral oxygen saturation changes during laparoscopy and the effects of intermittent sequential compression (ISC) of the lower extremities in patients during elective laparoscopic cholecystectomy.
  
  
  METHODS
  Sixty patients were randomly divided into two groups according to the application of ISC to the lower extremities. Group I served as control group whereas ISC was applied to group II. Cerebral oxygen saturation, peripheral blood oxygen saturation, heart rate, mean blood pressure, and associated changes have been recorded during the operation.
  
  
  RESULTS
  Peripheral blood oxygen saturation and mean blood pressure values did not change significantly after pneumoperitoneum. Cerebral oxygen saturation levels of the group II patients were higher in than the group I patients and the difference between the groups was statistically significant (p = 0.0001). The difference became more prominent following the 35(th) minute of the operation. Mean heart rate of the patients in group II was lower than the patients in group I and the difference was also statistically significant (p = 0.0001).
  
  
  CONCLUSIONS
  In this study, it was found that the decrease in cerebral oxygen saturation was recovered with ISC application. This simple and reliable technique helps to restore cerebral oxygen saturation levels while increasing blood return from the lower extremities.
authors: Department of General Surgery, Gazi University Medical School, Ankara, Turkey.
authors: Osman
authors: O
authors: Kurukahvecioglu
authors: Mustafa
authors: M
authors: Sare
authors: Ahmet
authors: A
authors: Karamercan
authors: Berrin
authors: B
authors: Gunaydin
authors: Ziya
authors: Z
authors: Anadol
authors: Ekmel
authors: E
authors: Tezel
mesh_terms: D000704:Analysis of Variance; D001458:Bandages; D001783:Blood Flow Velocity; D001794:Blood Pressure / Q000502:physiology; D002560:Cerebrovascular Circulation; D017081:Cholecystectomy, Laparoscopic; D015908:Counterpulsation / Q000379:methods*; D005260:Female; D006339:Heart Rate / Q000502:physiology; D006439:Hemodynamics; D006801:Humans; D035002:Lower Extremity / Q000098:blood supply*; D008297:Male; D008875:Middle Aged; D010092:Oximetry; D011028:Pneumoperitoneum, Artificial / Q000009:adverse effects*; D012039:Regional Blood Flow
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