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- W3031664010 abstract "Objective To explore the existence of block phenomenon of the inferior vena cava being in compression during open cholecystectomy.Methods A total of 30 patients receiving open cholecystectomy under the general anesthesia and epidural anesthesia in our hospital were selected.The right internal jugular vein and femoral vein catheterization was performed after the anesthesia induction and intubation to continuously monitor CVP and the inferior vena cava pressure (IVCP).Meanwhile, the changes in CVP, MAP, HR, IVCP before abdominal opening,upon pulling gallblad-der as well as 5 min, 10 min and 15 minutes after the opening of deep retractors were observed, recor-ded and compared.Results The HR of patients during cholecystectomy did not changed significantly (P>0.05) but MAP and CVP were decreased markedly (P<0.01).Furthermore, there was remark-able increase of pressure in the inferior vena (P<0.01).These changes were the most obvious during the filling of saline gauze pads in the abdominal cavity and within the first 15 rain of deep retractors led.After the closure of abdominal wall, the levels of CVP, MAP and IVCP returned to those before the abdominal opening.Conclusion The block phenomenon of the inferior vena cava during open cholecystectomy do exist in different degrees and it is the main reason for the patients' hemodynamic variety.This requires the anesthesiologists to hint the surgeon in the management of anesthesia to consider changing the posture and strength of retractors while the blood pressure is decreasing to avoid cardiovascular and cerebrovascular events.Key words: Cholecystectomy; Inferior vena cava; Compression; Hemodynamics" @default.
- W3031664010 created "2020-06-05" @default.
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- W3031664010 date "2009-06-28" @default.
- W3031664010 modified "2023-09-22" @default.
- W3031664010 title "Guard against block phenomenon for inferior vena cava being in compression during open cholecystectomy" @default.
- W3031664010 doi "https://doi.org/10.3760/cma.j.issn.1007-8118.2009.06.021" @default.
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