Surgical endoscopy · 2024
Inflammation-attenuating effect of carbon dioxide versus room-air environment in a rat laparotomy model.
СтатьяСравнительное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Ypsilantis Petros, Stylianaki Ioanna, Papachristou Fotini, Papatheodorou Panagiotis, Svoronos Christos, Spyridakis Konstantinos, Margaritis Michael, Ypsilantou Ifigenia, Ypsilantis Konstantinos, Papaioannou Nikolaos, Karayiannakis Anastasios, Pitiakoudis Michael
Аннотация
BACKGROUND: The mechanism by which laparoscopic operations induce lower post-operative inflammatory response compared to open surgery was investigated with regard to the effect of the type of gas environment.
METHODS: Rats were subjected to midline laparotomy at either CO2 (group CO2) or room-air environment (group Air) or to anesthesia only (group Control) under atmospheric pressure conditions. At various timepoints after surgery (1, 3, 6, 24, or 48 h), the expression of inflammation biomarkers interleukin-6 (IL-6), tumor necrosis factor-α (TNFα), and nuclear factor-κΒ (NFκΒ) were assessed immunohistochemically in tissue samples excised from the liver, intestine, and kidneys, accompanied by histopathologic analysis, and their levels were measured by ELISA in blood samples.
RESULTS: Tissue expression of IL-6, TNFα, and NFκΒ was downregulated in the liver and intestine in group CO2 compared to group Air and in the kidneys in group Air compared to group CO2. However, no differences were noted among groups regarding the histopathologic score of organ tissues and the blood serum levels of inflammation biomarkers.
CONCLUSION: Post-operative local inflammatory response was lower in intra-peritoneal organs of rats subjected to laparotomy at CO2 rather than room-air environment under atmospheric pressure conditions.
METHODS: Rats were subjected to midline laparotomy at either CO2 (group CO2) or room-air environment (group Air) or to anesthesia only (group Control) under atmospheric pressure conditions. At various timepoints after surgery (1, 3, 6, 24, or 48 h), the expression of inflammation biomarkers interleukin-6 (IL-6), tumor necrosis factor-α (TNFα), and nuclear factor-κΒ (NFκΒ) were assessed immunohistochemically in tissue samples excised from the liver, intestine, and kidneys, accompanied by histopathologic analysis, and their levels were measured by ELISA in blood samples.
RESULTS: Tissue expression of IL-6, TNFα, and NFκΒ was downregulated in the liver and intestine in group CO2 compared to group Air and in the kidneys in group Air compared to group CO2. However, no differences were noted among groups regarding the histopathologic score of organ tissues and the blood serum levels of inflammation biomarkers.
CONCLUSION: Post-operative local inflammatory response was lower in intra-peritoneal organs of rats subjected to laparotomy at CO2 rather than room-air environment under atmospheric pressure conditions.