Evidence from this study suggests del Nido cardioplegia use in routine adult cases may be safe, result in comparable clinical outcomes, and streamline surgical workflow. The trend for troponin should be investigated further because it may suggest superior myocardial protection with the del Nido solution.
EuroSCORE II had better predictive discrimination for operative mortality than EuroSCORE I, which greatly overestimated this risk. EuroSCORE II fared well compared with the STS risk score. The inclusive nature of EuroSCORE II for numerous procedures provides more flexibility than the STS score for complex procedures. EuroSCORE II should be considered for calculating risk score for complex cardiac surgical patients.
The addition of the Cox Maze III procedure to AVR or CABG did not convey an increase in major morbidity and perioperative risk. Patients who underwent the Cox Maze III procedure demonstrated similar survival over time with improvement in health-related quality of life. The Cox Maze III should not be denied to patients in whom the cardiac surgical procedure does not include atriotomies because of the perceived increased operative risk. The Cox Maze III may significantly improve their outcome.
This study demonstrated that maintenance of blood glucose in a liberal range after coronary artery bypass grafting led to similar outcomes compared with a strict target range and was superior in glucose control and target range management. On the basis of the results of this study, a target blood glucose range of 121 to 180 mg/dL is recommended for patients after coronary artery bypass grafting as advocated by the Society of Thoracic Surgeons.
Background: The Society of Thoracic Surgeons (STS) recommends using gait speed as a marker of frailty to identify cardiac surgery patients at risk for adverse outcomes. However, a single marker of frailty may not provide consistently reliable risk information. We evaluated the impact of frailty and gait speed on patient outcomes after elective cardiac surgery. Methods: This was a prospective study of 167 older (!65 years) coronary artery bypass grafting (CABG) and/or valve surgery patients. Patients were assessed using Cardiovascular Health Study (CHS) Frailty Index criteria: weight loss, exhaustion, physical activity, gait speed, and grip strength. Results: Frailty was identified in 39 patients (23%) using CHS criteria. Frail patients had longer median intensive care unit stays (54 vs. 28 h, p = 0.003), longer median length of stay (8 vs. 5 days, p < 0.001), and greater likelihood of STS-defined complications (54% vs. 32%, p = 0.011) and discharge to an intermediate-care facility (45% vs. 12%, p < 0.001) but were not different from nonfrail patients on major outcome, operative mortality, or readmissions. After multivariate adjustment, frail and nonfrail patients were similar on perioperative outcomes. Absolute gait speed and slow gait speed using a cutoff were not related to incidence of STS-defined complications or major outcome in multivariate analyses. However, higher body mass index was correlated with slower gait speed (r s = 0.30, p < 0.001). Conclusions: The CHS index did not identify ''frail'' patients at increased risk for adverse outcomes. No relationship was found between gait speed and outcome. There is a need for alternative multidimensional measures to assess frailty in cardiac surgical patients.
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