| Outcome Measures: |
Primary: Incidence of Perioperative Hyperglycemia, blood glucose \>180mg/dl (10mmol/l) and/or necessity of additive administration of insulin s.c. during the time frame, 24 hours pre-op until 24 hours post-op | Secondary: Perioperative blood glucose control, mean plasma glucose at 4 defined dates: 24h pre-op, intra-op, 2hours post-op and 24h post-op, 24 hours pre-op until 24 hours post-op|Incidence hypoglycemia, blood sugar levels \< 70mg/dl (3.9mmol/l), 24 hours pre-op until 24 hours post-op|Perioperative lactate levels, mediane lactate levels at 4 defined dates: 24h pre-op, intra-op, 2 hours post-op and 24h post-op, 24 hours pre-op until 24 hours post-op|Incidence of hyperlactatemia, blood lactate values \>4mmol/L at least at one of 4 measurement dates: 24h pre-op, intra-op, 2 hours post-op, 24 hours post-op, 24 hours pre-op until 24 hours post-op|Perioperative renal function, median serum-creatinine value at 24h pre-op and 24h post-op, 24 hours pre-op until 24 hours post-op|Hospitalization Duration, median time period from day of surgery until discharge from hospital, up to 4 weeks|Mortality, In-Hospital mortality, up to 4 weeks
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