Regression analysis of multiple preoperative criteria demonstrates that reduced wall enhancement on CT, peritoneal signs, and elevated WBC are the only variables independently predictive of bowel strangulation in patients with SBO.
Sepsis is a complex medical condition characterized by a systemic inflammatory response in the setting of infection. We hypothesized that combining antibiotics plus an immunosuppressant would protect against the morbidity and mortality of polymicrobial sepsis in mice better than antibiotics alone. We used a murine cecal ligation and puncture model in which mice were treated either with imipenem plus cyclophosphamide or imipenem alone. Titration to a low cyclophosphamide dose revealed that combination therapy increased survival by 20% compared to imipenem alone (56% v. 36%, p < 0.001). To investigate the mechanism by which combination therapy did this, we reviewed quantitative and qualitative markers of the systemic immune response, end-organ damage, and the local immune response at the site of injury. Cyclophosphamide treatment was not associated with depletion of peripheral leukocytes or differences in pulmonary damage. However, mice that received combination therapy had higher plasma G-CSF levels than those treated with antibiotics alone. Additionally, mice treated with cyclophosphamide had higher levels of bacterial colonization in intestinal Peyer’s patch lymph nodes at 72 hours after the septic insult. Intraperitoneal macrophage phenotypes and phagocytosis activity did not differ between groups. We conclude that the inflammatory response plays a significant role in the mortality of polymicrobial sepsis and that the regulation of this element is both feasible and beneficial in this disease model.
In this series of incisional hernia repairs at a tertiary care center, the overall recurrence rate of 18.9% is comparable to that of other published series. Ours is the largest published series of recurrent hernias that shows a recurrence rate comparable to that for initial repairs. This outcome may be the result of greater use of more complex repair techniques.
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