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A nursing protocol targeting risk factors for reducing postoperative delirium in patients following coronary artery bypass grafting: Results of a prospective before-after study.

ABSTRACT: Objective:The results of postoperative delirium (POD) warrant testing for prevention. The purpose of this study was to determine whether a nursing intervention targeting risk factors could decrease the incidence of POD among patients who had coronary artery bypass grafting (CABG) in China. Methods:A prospective before-after study was conducted between April 2014 and April 2015. A nursing delirium intervention protocol targeting risk factors for delirium was performed for 141 patients undergoing CABG in a cardiothoracic ICU from November 2014 to April 2015. Intervention consisted of screening for delirium risk factors, followed by targeted risk factor modification, including pain control, early catheter removal, patient orientation using the 5W1H procedure, increased family visits, minimizing care-related interruptions, comfortable nursing and monitoring for sleeping difficulties. Outcomes of the Intervention Group were compared with those of the Control Group for 137 CABG patients from April 2014 to October 2014. Delirium was assessed using the confusion assessment method for the intensive care unit (CAM-ICU). The sample size was justified by PASS2000, based on previous data of delirium incidence in our institution (30%). Main results:Delirium incidence during the first seven postoperative days was significantly lower in the Intervention Group at 13.48% (19/141) vs. 29.93% (41/137) for the Control Group (?2 = 11.112, P = 0.001). In addition, POD in the Intervention Group occurred between the 3rd and 6th postoperative days, while POD in the Control Group mainly occurred on the first three days postoperatively. Delirium in the Intervention Group occurred later than delirium in the Control Group (?2 = 12.743, P < 0.001). Length of ICU stay was reduced significantly (Z = -6.026, P < 0.001). Conclusion:The application of a nursing protocol targeting risk factors in this study seems to be associated with a lower incidence of POD in patients after CABG. This finding suggests that managing the predictors properly is one of the effective strategies to prevent delirium.

SUBMITTER: Zhang W

PROVIDER: S-EPMC6626138 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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A nursing protocol targeting risk factors for reducing postoperative delirium in patients following coronary artery bypass grafting: Results of a prospective before-after study.

Zhang Weiying W Sun Yan Y Liu Yang Y Qiu Wenjuan W Ye Xiaofei X Zhang Guihong G Zhang Lingjuan L

International journal of nursing sciences 20170306 2

<h4>Objective</h4>The results of postoperative delirium (POD) warrant testing for prevention. The purpose of this study was to determine whether a nursing intervention targeting risk factors could decrease the incidence of POD among patients who had coronary artery bypass grafting (CABG) in China.<h4>Methods</h4>A prospective before-after study was conducted between April 2014 and April 2015. A nursing delirium intervention protocol targeting risk factors for delirium was performed for 141 patie ...[more]

PMID: 31406724

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Project description:BackgroundPostoperative delirium (POD) presents as a serious neuropsychiatric syndrome in patients undergoing off-pump coronary artery bypass grafting (OPCABG) surgery. This is correlated with higher mortality, cognitive decline, and increased costs. The Age-adjusted Charlson Comorbidity Index (ACCI) is recognized as an independent predictor for mortality and survival rate. The purpose of our study is to estimate the predictive value of the ACCI on the POD in patients undergoing OPCABG surgery.MethodsThis prospective cohort study enrolled patients undergoing OPCABG surgery between December 2020 and May 2021 in Qilu Hospital. Patients were divided into the low-ACCI group (score, 0-3) and the high-ACCI group (score ≥4) according to their ACCI scores. The Confusion Assessment Method for the Intensive Care Unit (CAM-ICU) and CAM were used to diagnose POD within 7 days after surgery. The general, laboratory, and clinical data of the patients were recorded and collected. The characteristic ROC curve was applied to further assess the predictive value of the ACCI for POD in patients following OPCABG surgery.ResultsA total of 89 patients were enrolled, including 45 patients in the low-ACCI group and 44 patients in the high-ACCI group. The incidence of POD was higher in the high-ACCI group than in the low-ACCI group (45.5% vs. 15.6%, P = 0.003). Multivariate logistic regression analyses showed that the ACCI (OR, 2.433; 95% CI, 1.468-4.032; P = 0.001) was an independent risk factor for POD. The ACCI accurately predicted POD in patients following OPCABG surgery with an AUC of 0.738, and the Hosmer-Lemeshow goodness of fit test yielded X2 = 5.391 (P = 0.145).ConclusionThe high-ACCI group showed a high incidence of POD. The ACCI was an independent factor associated with POD in patients following OPCABG surgery. In addition, the ACCI could accurately predict POD in patients following OPCABG surgery.Clinical trial registrationClinicalTrials.gov, identifier CHiCTR2100052811.

Project description:BackgroundPostoperative delirium (POD) is a common complication of major surgery and is associated with fortified morbidity, mortality, and long-term cognitive dysfunction. This study sought to evaluate the incidence and risk factors of delirium in elderly (aged ≥65 years) patients who underwent coronary artery bypass grafting (CABG).MethodsWe performed a retrospective cohort analysis. The clinical data of 1,426 elderly patients who underwent CABG at our hospital from October 2018 to October 2020 were collected and analyzed. Delirium was defined as any positive Confusion Assessment Method for Intensive Care Unit examination following surgery during the intensive care unit (ICU) stay. Risk factors for POD were authenticated via univariate and multivariate logistic regression analyses. The intraoperative and postoperative factors were evaluated using a propensity score-matched regression analysis based on preoperative factors.ResultsA total of 39.3% (560 of 1,426) of elderly patients who underwent CABG were diagnosed with delirium. Based on the multivariate analysis, age [odds ratio (OR) 1.013], long-term alcohol consumption (OR 2.026), diabetes (OR 1.51), stroke (OR 1.41), and extracardiac arteriopathy (OR 1.61) were found to be independent predictors of post-cardiac surgery delirium. Conversely, high-density lipoprotein cholesterol levels (HDL-C) ≥1.0 mmol/L (OR 0.71) was found to be a protective factor. Among the intraoperative and postoperative factors evaluated, only a prolonged ICU stay (≥48 h; OR 1.62) was identified as a risk factor for developing delirium in the propensity-score matched analysis, after adjusting for potential confounding variables and selection bias. In contrast to the earlier analysis, the multivariate logistic regression further revealed that peri-procedural myocardial infarction and postoperative arterial oxygen partial pressures were not significantly associated with POD.ConclusionsThe incidence of POD in elderly patients undergoing CABG was high. Factors such as older age, long-term alcohol consumption, diabetes, stroke, and extracardiac arteriopathy were independent risk factors for POD in these patients. In relation to the intraoperative and postoperative factors, after adjusting for preoperative confounding factors, only a prolonged ICU stay was identified as a risk factor for POD. Additionally, high levels of HDL-C may be beneficial in reducing the incidence of delirium.

Project description:Background Coronary artery bypass grafting (CABG) is known to improve heart function and quality of life, while rates of surgery-related mortality are low. However, delirium and cognitive decline are common complications. We sought to identify preoperative, intraoperative, and postoperative risk or protective factors associated with delirium and cognitive decline (across time) in patients undergoing CABG. Methods and Results We conducted a systematic search of Medline, PsycINFO, EMBASE, and Cochrane (March 26, 2019) for peer-reviewed, English publications reporting post-CABG delirium or cognitive decline data, for at least one risk factor. Random-effects meta-analyses estimated pooled odds ratio for categorical data and mean difference or standardized mean difference for continuous data. Ninety-seven studies, comprising data from 60 479 patients who underwent CABG, were included. Moderate to large and statistically significant risk factors for delirium were as follows: (1) preoperative cognitive impairment, depression, stroke history, and higher European System for Cardiac Operative Risk Evaluation (EuroSCORE) score, (2) intraoperative increase in intubation time, and (3) postoperative presence of arrythmia and increased days in the intensive care unit; higher preoperative cognitive performance was protective for delirium. Moderate to large and statistically significant risk factors for acute cognitive decline were as follows: (1) preoperative depression and older age, (2) intraoperative increase in intubation time, and (3) postoperative presence of delirium and increased days in the intensive care unit. Presence of depression preoperatively was a moderate risk factor for midterm (1-6 months) post-CABG cognitive decline. Conclusions This meta-analysis identified several key risk factors for delirium and cognitive decline following CABG, most of which are nonmodifiable. Future research should target preoperative risk factors, such as depression or cognitive impairment, which are potentially modifiable. Registration URL: https://www.crd.york.ac.uk/prospero/; Unique identifier: CRD42020149276.

Dataset Information

A nursing protocol targeting risk factors for reducing postoperative delirium in patients following coronary artery bypass grafting: Results of a prospective before-after study.

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A nursing protocol targeting risk factors for reducing postoperative delirium in patients following coronary artery bypass grafting: Results of a prospective before-after study.

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