PubMed · 7837639
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T Shibuya, S Tanaka. 1994. [Periproctal abscess].. https://pubmed.ncbi.nlm.nih.gov/7837639/
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Sodium hyaluronate-carboxymethylcellulose (HA/CMC) formulations are gels that effectively reduce postoperative adhesions in both animals and humans, when placed in the peritoneal or pelvic cavities concomitant with surgical manipulation. However, it has been suggested that the use of these products may increase the risk of peritoneal infection after contamination with intestinal contents during surgery. Using the rat intra-abdominal sepsis model, we found that administration of HA/CMC gels before bacterial challenge did not increase mortality but did significantly protect rats against lethal infection. This effect was dose and time dependent. Protection was conferred not by the HA/CMC gels themselves but by 1-(3-dimethylaminopropyl)-3-ethylurea (EDU), a small molecule released from the gel complex under physiologic conditions. Our results suggest that the protective effect exhibited by EDU is related to down-regulation of T cell-dependent responses and suppression of the proinflammatory-cytokine cascade associated with mortality during the early phase of disease.
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Falciform ligament abscess is rare. We report a case of a 65-year-old man who presented with right upper quadrant abdominal pain, postprandial fullness, and fever. Computed tomography disclosed a cylindrical mass in the anterior abdomen that aroused suspicion of a hepatic abscess. At laparoscopic surgery, an abscess of the falciform ligament was found and drained. Two months later, the patient developed recurrence of the abscess secondary to acute calculous cholecystitis. Abscess drainage and cholecystectomy were performed. The presence of right uppper quadrant abdominal pain, epigastric tenderness, fever, leukocytosis, and a mass in the anterior abdomen should arouse suspicion of falciform ligament abscess. Its treatment consists of abscess drainage.