Both cholelithiasis and alcohol were main etiologic factors in the more northern countries studied, whereas cholelithiasis alone predominated in the more southern ones. Mortality was high for necrotic pancreatitis; it was similar among the various etiologic groups, and there was no relationship between mortality and age.

In high-risk patients with necrotising pancreatitis, minimally invasive surgical and endoscopic necrosectomy are associated with reduced death rates compared with open necrosectomy.

The two procedures are equally safe and effective with regard to pain relief, but OPPHR is superior to PPPD not only in the operation data and morbidity, but also in the quality of life 1 year postoperatively. OPPHR should be regarded as a recommended procedure in the treatment of chronic pancreatitis.

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High frequencies of the HSP70-2 G and the TNF-alpha -308 A alleles were associated with risk of severe acute pancreatitis. Genotype assessments may be important prognostic tools to predict disease severity and the course of acute pancreatitis. Therefore, genotype assessments may also be used to guide treatment or to identify risk populations for severe acute pancreatitis.

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Our results indicate that intraductal taurocholic acid and ischemia-reperfusion provokes severe acute necrotizing pancreatitis with a high mortality rate and leads to systemic inflammatory reaction, which appears to be the consequence of the activation of the cytokine cascade and iNOS. The degree of NO overproduction by iNOS corresponds with the apoptotic process in the pancreas and the lung.