OBJECTIVE: To investigate the influence of increased intra-abdominal pressure during pneumoperitoneum on splanchnic circulation. DESIGN: Open study. SETTING: University hospital, Sweden. SUBJECTS: Five otherwise healthy patients (mean age of 34 years), undergoing laparoscopic cholecystectomy. INTERVENTIONS: Arterial and hepatic vein catheterization and simultaneous arterial and hepatic vein blood gas sampling in the awake state, during anaesthesia, after the establishment of pneumoperitoneum (intra-abdominal pressure level 11-13 mmHg) and after 30 and 60 minutes of pneumoperitoneum. MAIN OUTCOME MEASURES: Hepatic blood flow was estimated by the continuous infusion method and used as a measure of splanchnic blood flow. Splanchnic oxygen consumption was calculated according to the Fick principle. RESULTS AND CONCLUSION: Splanchnic blood flow and splanchnic oxygen consumption were not affected by pneumoperitoneum at this level of intra-abdominal pressure.
OBJECTIVE: To investigate the influence of increased intra-abdominal pressure during pneumoperitoneum on splanchnic circulation. DESIGN: Open study. SETTING: University hospital, Sweden. SUBJECTS: Five otherwise healthy patients (mean age of 34 years), undergoing laparoscopic cholecystectomy. INTERVENTIONS: Arterial and hepatic vein catheterization and simultaneous arterial and hepatic vein blood gas sampling in the awake state, during anaesthesia, after the establishment of pneumoperitoneum (intra-abdominal pressure level 11-13 mmHg) and after 30 and 60 minutes of pneumoperitoneum. MAIN OUTCOME MEASURES: Hepatic blood flow was estimated by the continuous infusion method and used as a measure of splanchnic blood flow. Splanchnic oxygen consumption was calculated according to the Fick principle. RESULTS AND CONCLUSION: Splanchnic blood flow and splanchnic oxygen consumption were not affected by pneumoperitoneum at this level of intra-abdominal pressure.
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