Objective: To determine the incidence of postoperative complications, including 30‐day mortality rate, and need for intensive care unit (ICU) admission in older patients after non‐cardiac surgery. Design and setting: Prospective observational study of all patients aged 70 years or older having elective and non‐elective, non‐cardiac surgery, and staying at least 1 night after surgery in one of three Melbourne teaching hospitals, June to September 2004. Main outcome measures: Postoperative complications and 30‐day mortality rate. Results: 1102 consecutive patients were audited in mid 2004; 70% had pre‐existing comorbidities. The 30‐day mortality rate was 6%; 19% had postoperative complications; and 20% of patients spent at least 1 night in ICU. On multivariate analysis, preoperative factors associated with 30‐day mortality included age (odds ratio [OR], 1.09 per year over 70 years; 95% CI, 1.04–1.13; P < 0.001); increasing severity of systemic disease (American Society of Anesthesiologists physical status classification) (OR, 2.53; 95% CI, 1.65–3.86; P < 0.001); and albumin level < 30 g/L (OR, 2.23; 95% CI, 1.09–4.57; P = 0.03). Postoperative factors associated with 30‐day mortality were unplanned ICU admission (OR, 3.95; 95% CI, 1.63–9.55; P = 0.003); sepsis (OR, 2.75; 95% CI, 1.17–6.47; P = 0.02); and acute renal impairment (OR, 2.40; 95% CI, 1.06–5.41; P = 0.04). Thoracic surgery was the only surgical specialty significantly associated with mortality (OR, 3.96; 95% CI, 1.44–9.10; P = 0.008) in the multivariate analysis. Conclusion: Older patients having surgery had high rates of comorbidities and postoperative complications, placing considerable demands on critical care services. Patient factors were often stronger predictors of mortality than the type of surgery.

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BackgroundThere is limited information on the impact on perioperative fluid intervention on complications and length of hospital stay following pancreaticoduodenectomy. Therefore, we conducted a detailed analysis of fluid intervention in patients undergoing pancreaticoduodenectomy at a university teaching hospital to test the hypothesis that a restrictive intravenous fluid regime and/or a neutral or negative cumulative fluid balance, would impact on perioperative complications and length of hospital stay.MethodsWe retrospectively obtained demographic, operative details, detailed fluid prescription, complications and outcomes data for 150 consecutive patients undergoing pancreaticoduodenectomy in a university teaching hospital. Prognostic predictors for length of hospital stay and complications were determined.ResultsOne hundred and fifty consecutive patients undergoing pancreaticoduodenectomy were evaluated between 2006 and 2012. The majority of patients were, middle-aged, overweight and ASA class III. Postoperative complications were frequent and occurred in 86 patients (57%). The majority of complications were graded as Clavien-Dindo Class 2 and 3. Postoperative pancreatic fistula occurred in 13 patients (9%), and delayed gastric emptying occurred in 25 patients (17%). Other postoperative surgical complications included sepsis (22%), bile leak (4%), and postoperative bleeding (2%). Serious medical complications included pulmonary edema (6%), myocardial infarction (8%), cardiac arrhythmias (13%), respiratory failure (8%), and renal failure (7%). Patients with complications received a higher median volume of intravenous therapy and had higher cumulative positive fluid balances. Postoperative length of stay was significantly longer in patients with complications (median 25 days vs. 10 days; p < 0.001). After adjustment for covariates, a fluid balance of less than 1 litre on postoperative day 1 and surgeon caseloads were associated with the development of complications.ConclusionsIn the context of pancreaticoduodenectomy, restrictive perioperative fluid intervention and negative cumulative fluid balance were associated with fewer complications and shorter length of hospital stay. These findings provide good opportunities to evaluate strategies aimed at improving perioperative care.