Background: Although day-case laparoscopic cholecystectomy can save bed costs, its safety has to be established. The aim of this meta-analysis is to assess the advantages and disadvantages of day-case surgery compared with overnight stay in patients undergoing elective laparoscopic cholecystectomy.Methods: Randomized clinical trials addressing the above issue were identified from The Cochrane Library trials register, Medline, Embase, Science Citation Index Expanded and reference lists. Data were extracted from these trials by two independent reviewers. For each outcome the relative risk, weighted mean difference or standardized mean difference was calculated with 95 per cent confidence intervals based on available case analysis.Results: Five trials with 215 patients randomized to the day-case group and 214 to the overnight-stay group were included in the review. Four of the five trials were of low risk of bias. The trials recruited 49·1 per cent of patients presenting for cholecystectomy. There was no significant difference between day case and overnight stay with respect to morbidity, prolongation of hospital stay, readmission rates, pain, quality of life, patient satisfaction, and return to normal activity and work. In the day-case group 80·5 per cent of patients were discharged on the day of surgery. Conclusion: Day-case laparoscopic cholecystectomy is a safe and effective treatment for symptomatic gallstones.
After trauma or sepsis, the liver undergoes a reprioritization of export protein synthesis with elevated production of some acute-phase reactants and reduced production of others. We have examined the effects of combinations of insulin and the counterregulatory hormones (dexamethasone, glucagon, and epinephrine), in the presence or absence of interleukin (IL)-6, on the production by isolated hepatocytes of the positive acute-phase proteins C-reactive protein, alpha 1-antichymotrypsin, alpha 1-acid glycoprotein, and haptoglobin, and the negative acute-phase proteins prealbumin and transferrin. The effect of IL-6 on the production of the above proteins was influenced significantly by insulin and all of the counterregulatory hormones. Significant three-way interactions as well as higher order interactions between the stress hormones and insulin were seen in the case of C-reactive protein. The results indicate that both positive and negative acute-phase proteins respond differently to insulin and the counterregulatory hormones and that the potential exists for the regulation of synthesis of individual acute-phase reactants by interaction between the cytokine network and the classical endocrine hormones.
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