Publications by authors named "Greg G Kojayan"

Background: Given the growing number of people worldwide living with human immunodeficiency virus (HIV), a larger subset of these patients are now susceptible to sustaining a traumatic injury. However, the impact of HIV on outcomes in trauma with modern antiretroviral treatment remains unclear. We hypothesized mortality and rates of infectious and inflammatory complications would be higher in HIV positive (HIV+) trauma patients.

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Purpose: Cigarettes have been demonstrated to be toxic to the pulmonary connective tissue by impairing the lung's ability to clear debris, resulting in infection and acute respiratory distress syndrome (ARDS). Approximately 8% of adolescents are smokers. We hypothesized that adolescent trauma patients who smoke have a higher rate of ARDS and pneumonia when compared to non-smokers.

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Chronic pancreatitis is the progressive inflammation of the pancreas resulting in the irreversible damage of pancreatic structure and function by means of fibrosis. Chronic pancreatitis is most commonly caused by alcohol consumption, although the direct molecular etiology is unknown. Recent studies suggest oxidative stress as a catalyst for pancreatic stellate cell activation leading to the deposition of collagenous extracellular matrix causing pancreatic fibrosis.

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Islet transplantation has been shown to restore normoglycemia clinically. One of the current limitations to the widespread clinical use of islet transplantation is culturing and preserving more than 1 million islet equivalents in preparation for transplant. One possible solution is to bank frozen islets and use them when needed.

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Pancreatic islet transplantation is being extensively researched as an alternative treatment for type 1 diabetic patients. This treatment is currently limited by temporal mismatch, between the availability of pancreas and isolated islets from deceased organ donor, and the recipient's need for freshly isolated islets. To solve this issue, cryopreservation of islets may offer the potential to bank islets for transplant on demand.

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