Abstract
This study characterizes microcirculatory changes (capillary blood flow, capillary permeability, and leukocyte rolling) in the pancreas, colon, liver, and lungs at different stages of severe acute pancreatitis (AP) in a well-established rat model using intravital microscopy and computerized image analysis. The results demonstrate that microcirculatory disorders in severe AP are not confined to the pancreas but can also be found in the colon, liver, and lungs; that they extend beyond the early stage of AP and persist for 48 hr (and longer); and that they not only affect capillary blood flow but also involve prolonged changes of capillary permeability and leukocyte endothelial interaction. These findings may explain previous observations that therapeutic strategies aimed at enhancing microcirculation improve outcome in AP even if therapy is delayed and pancreatic necrosis can no longer be influenced. Since these systemic microcirculatory disturbances may contribute to AP-associated multiple organ dysfunction syndrome, further studies are warranted to evaluate whether improvement of microcirculation stabilizes organ function in AP and how long this may be effective after disease onset.
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Foitzik, T., Eibl, G., Hotz, B. et al. Persistent Multiple Organ Microcirculatory Disorders in Severe Acute Pancreatitis: Experimental Findings and Clinical Implications. Dig Dis Sci 47, 130–138 (2002). https://doi.org/10.1023/A:1013284008219
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DOI: https://doi.org/10.1023/A:1013284008219