Abstract
Study objectivesThe postoperative period is associated with an inflammatory response that may contribute to a number of complications including postoperative fatigue (POF) that impair patients' quality of life (QoL). We studied the impact of three potentially anti-inflammatory interventions (steroid administration, tight intraoperative glucose control, and light anesthesia) on POF and QoL in patients having major noncardiac surgery. DesignA randomized Trial. SettingOperating room and postoperative recovery area/ICU/hospital floors. PatientsPatients undergoing major noncardiac surgery. InterventionsPatients were randomized to perioperative IV dexamethasone (a total of 14 mg tapered over 3 days) versus placebo, intensive versus conventional glucose control (target 80–110 vs. 180–200 mg·dL−1), and light versus deep anesthesia (Bispectral Index target of 55 vs. 35) in a 3-way factorial design. MeasurementsIn this planned sub-analysis, QoL was measured using SF-12 preoperatively and on postoperative day (POD) 30. POF was measured using Christensen VAS, pre-operatively, POD 1, and POD 3. We assessed the effect of each intervention on POF and on the physical and mental components of SF-12 summary scores with repeated–measures linear regression models. Main results326 patients with complete data were included in the SF-12 analysis and 306 were included in the QoL analysis. No difference was found between any of the intervention groups on fatigue or mean 30-day physical and mental components of SF-12 scores, after adjusting for preoperative score and imbalanced baseline variables (all P-value >0.07 for POF and >0.40 for QoL). ConclusionsSteroid administration, tight intraoperative glucose control, and light anesthesia do not improve quality of life or postoperative fatigue after major surgery.
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