Normal saline induces oxidative stress in peritoneal mesothelial cells |
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Authors: | Połubinska Alicja Breborowicz Andrzej Staniszewski Ryszard Oreopoulos Dimitrios G |
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Institution: | a Department of Pathophysiology, Poznan University of Medical Sciences, 60-781 Poznan, Poland b University of Toronto, Canada |
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Abstract: | BackgroundPeritoneal adhesions are the most common complication of the abdominal surgery. Normal saline is frequently used to rinse the peritoneal cavity during abdominal surgery, although there is no well-established data describing effect of such procedure on the process of formation of peritoneal adhesions.MethodsEffect of 0.9% NaCl solution on viability, oxidative stress, and fibrinolytic activity of human peritoneal mesothelial cells maintained in in vitro culture was evaluated.ResultsExposure of mesothelial cells to 0.9% NaCl induces oxidative stress, derangement of their structure with subsequent increased release of tissue factor (+75%) and plasminogen activator inhibitor-1 (+19%), and simultaneous suppression of tissue plasminogen activator release (−39%). In effect, ration tissue plasminogen activator/plasminogen activator inhibitor-1 was reduced in 0.9% NaCl-treated cells by 50%. Pretreatment of cells with precursor of glutathione synthesis: l-2-oxothiazolidine-4-carboxylic acid prevented these changes.ConclusionsOxidative stress in the peritoneal mesothelium caused by 0.9% NaCl activates their procoagulant activity and impairs fibrinolytic properties of these cells. These effects disqualify 0.9% NaCl as rinsing solution during abdominal surgery. |
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Keywords: | Normal saline Mesothelium Oxidative stress Fibrinolytic activity Adhesions |
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