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Yoshimura M, Shiramoto H, Koga M, Morimoto Y. Development and validation of a machine learning model to predict postoperative delirium using a nationwide database: A retrospective, observational study. J Clin Anesth 2024; 96:111491. [PMID: 38678916 DOI: 10.1016/j.jclinane.2024.111491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 03/14/2024] [Accepted: 04/24/2024] [Indexed: 05/01/2024]
Abstract
STUDY OBJECTIVE Postoperative delirium is a neuropsychological syndrome that typically occurs in surgical patients. Its onset can lead to prolonged hospitalization as well as increased morbidity and mortality. Therefore, it is important to promptly identify its signs. This study aimed to develop and validate a machine learning predictive model for postoperative delirium using extensive population data. DESIGN Retrospective observational study. SETTING Japanese Diagnosis Procedure Combination inpatient data. Data were used for internal (2016.4-2018.12) and temporal validation (2019.01-2019.10). PATIENTS Patients aged ≥65 years who underwent general anesthesia for surgical procedure. MEASUREMENTS The primary outcome was postoperative delirium, which was defined as a condition requiring newly prescribed antipsychotic drugs or assignment of the corresponding insurance claim code after the date of surgery. We trained and tuned the optimal machine-learning model through 10-fold cross-validation using the selected optimal area under the receiver operating characteristic curve (AUC) value. In the temporal validation, we measured the performance of our model. MAIN RESULTS The analysis included 557,990 patients. The light-gradient boosting machine models showed a higher AUC value (0.826 [95% confidence interval (CI): 0.822-0.829]) than the other models. Regarding performance, the model had a recall value of 0.124 (95% CI: 0.119-0.129) and precision value of 0.659 (95% CI: 0.641-0.677]). This performance was sustained in the temporal validation (AUC, 0.815 [95% CI: 0.811-0.818]). At a sensitivity of 0.80, the model achieved a specificity of 0.672 (95% CI: 0.670-0.674]), a negative predictive value of 0.975 (95% CI: 0.974-0.975), and a positive predictive value of 0.176 (95% CI: 0.176-0.179). CONCLUSIONS Using extensive Diagnostic Procedure Combination data, we successfully created and validated a machine learning model for predicting postoperative delirium. This model may facilitate prediction of postoperative delirium.
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Affiliation(s)
- Manabu Yoshimura
- Department of Anesthesiology, Ube Industries Central Hospital, Ube City, Japan.
| | - Hiroko Shiramoto
- Department of Anesthesiology, Ube Industries Central Hospital, Ube City, Japan
| | - Mami Koga
- Department of Anesthesiology, Ube Industries Central Hospital, Ube City, Japan
| | - Yasuhiro Morimoto
- Department of Anesthesiology, Ube Industries Central Hospital, Ube City, Japan
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Lee S, Oh C, Jung J, Hong B, Jo Y, Lee S, Lim C, Baek S, Shin M, Seo H, Chung W. Retrospective comparison of the effects of remimazolam and dexmedetomidine on postoperative delirium in elderly patients undergoing orthopedic surgery of the lower extremities under spinal anesthesia. J Anesth 2024:10.1007/s00540-024-03386-6. [PMID: 39182205 DOI: 10.1007/s00540-024-03386-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 08/01/2024] [Indexed: 08/27/2024]
Abstract
PURPOSE Remimazolam is often used for perioperative sedation due to its rapid onset and offset. However, the possible association between remimazolam and postoperative delirium (POD) remains undetermined. The present study evaluated whether remimazolam increased the incidence of POD compared with dexmedetomidine in elderly patients undergoing orthopedic surgery of the lower extremities. METHODS This retrospective study included patients aged ≥ 65 years who had undergone orthopedic surgery of the lower extremities under spinal anesthesia from January 2020 to November 2022 and were sedated with continuous intravenous infusion of dexmedetomidine or remimazolam. The incidence of POD was assessed through a validated comprehensive review process of each patient's medical records. The effect of remimazolam on the occurrence of POD compared with dexmedetomidine was evaluated by propensity score weighted multivariable logistic models. RESULTS A total of 447 patients were included in the final analysis. The crude incidence of POD within 3 days after surgery was 7.5% (17/226) in the dexmedetomidine group and 11.8% (26/221) in the remimazolam group, increasing to 9.7% (22/226) and 15.8% (35/221), respectively (p = 0.073), within 5 days. The multivariable models showed that, compared with dexmedetomidine, intraoperative sedation with remimazolam significantly increased the occurrence of POD within 3 days (odds ratio [OR] 2.21, 95% confidence interval [CI] 1.31 to 3.82, p = 0.003) and 5 days (OR 2.10, 95% CI 1.32 to 3.40, p = 0.002). CONCLUSION Compared with dexmedetomidine, remimazolam infusion may be associated with a higher risk of POD in elderly patients undergoing orthopedic surgery of the lower extremities under spinal anesthesia.
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Affiliation(s)
- Soomin Lee
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Chahyun Oh
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Jinsik Jung
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
| | - Boohwi Hong
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Yumin Jo
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Sunyeul Lee
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - ChaeSeong Lim
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Sujin Baek
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Myungjong Shin
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
| | - Hyungseok Seo
- Department of Anesthesiology and Pain Medicine, College of Medicine, Kyung Hee University Gangdong Hospital, Kyung Hee University, Seoul, Republic of Korea
| | - Woosuk Chung
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea.
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chungnam National University, Daejeon, Republic of Korea.
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Liu Y, Fan J, Zhang X, Xu W, Shi Z, Cai J, Wang P. Transcutaneous electrical acupoint stimulation reduces postoperative patients' length of stay and hospitalization costs: a systematic review and meta-analysis. Int J Surg 2024; 110:5124-5135. [PMID: 38775581 PMCID: PMC11325889 DOI: 10.1097/js9.0000000000001598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 04/26/2024] [Indexed: 08/16/2024]
Abstract
OBJECTIVE To study the effects of transcutaneous electrical acupoint stimulation (TEAS) on length of stay (LOS) and hospitalization costs in postoperative inpatients. METHODS Two researchers collectively searched PubMed, Embase, Cochrane Library, China Network Knowledge Infrastructure, and Wanfang Database. The search time was set from the beginning to 25 April 2023, to identify randomized controlled trials articles that met the criteria. Statistical analyses were performed using the Stata software (version 16.0). The risk of bias was assessed using the Cochrane risk-of-bias tool, and publication bias was evaluated using a funnel plot and Egger's test. The quality of evidence was assessed according to the Grading of Recommendations Assessment, Development, and Evaluation approach. RESULTS Thirty-four randomized controlled trials were included. The main results showed that TEAS reduced hospitalization costs [standardized mean difference (SMD)=-1.92; 95% CI: -3.40, -0.43), LOS (SMD=-1.00; 95% CI: -1.30, -0.70) and postoperative LOS (SMD=-0.70; 95% CI: -0.91, -0.49] in postoperative patients. Subgroup analyses further revealed that TEAS was effective in reducing both the overall and postoperative LOS in patients undergoing multiple surgical procedures. It is worth noting that the observed heterogeneity in the results may be attributed to variations in surgical procedures, stimulation frequencies, and stimulation points utilized in different trials. CONCLUSIONS TEAS can help postoperative patients reduce their LOS and hospitalization cost. However, considering the bias identified and heterogeneity, the results of this review should be interpreted with caution.
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Affiliation(s)
- Yilong Liu
- Department of Gastroenterology, Changzheng Hospital, Naval Medical University
| | | | - Xiaoqing Zhang
- Department of Emergency, Changhai Hospital, Naval Military Medical University, Shanghai, People's Republic of China
| | - Wenping Xu
- Department of Gastroenterology, Changzheng Hospital, Naval Medical University
| | - Zhiwen Shi
- Department of Gastroenterology, Changzheng Hospital, Naval Medical University
| | - Jiarong Cai
- Department of Gastroenterology, Changzheng Hospital, Naval Medical University
| | - Peiqin Wang
- Department of Gastroenterology, Changzheng Hospital, Naval Medical University
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Giesa N, Haufe S, Menk M, Weiß B, Spies CD, Piper SK, Balzer F, Boie SD. Predicting postoperative delirium assessed by the Nursing Screening Delirium Scale in the recovery room for non-cardiac surgeries without craniotomy: A retrospective study using a machine learning approach. PLOS DIGITAL HEALTH 2024; 3:e0000414. [PMID: 39141688 PMCID: PMC11324157 DOI: 10.1371/journal.pdig.0000414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 07/04/2024] [Indexed: 08/16/2024]
Abstract
Postoperative delirium (POD) contributes to severe outcomes such as death or development of dementia. Thus, it is desirable to identify vulnerable patients in advance during the perioperative phase. Previous studies mainly investigated risk factors for delirium during hospitalization and further used a linear logistic regression (LR) approach with time-invariant data. Studies have not investigated patients' fluctuating conditions to support POD precautions. In this single-center study, we aimed to predict POD in a recovery room setting with a non-linear machine learning (ML) technique using pre-, intra-, and postoperative data. The target variable POD was defined with the Nursing Screening Delirium Scale (Nu-DESC) ≥ 1. Feature selection was conducted based on robust univariate test statistics and L1 regularization. Non-linear multi-layer perceptron (MLP) as well as tree-based models were trained and evaluated-with the receiver operating characteristics curve (AUROC), the area under precision recall curve (AUPRC), and additional metrics-against LR and published models on bootstrapped testing data. The prevalence of POD was 8.2% in a sample of 73,181 surgeries performed between 2017 and 2020. Significant univariate impact factors were the preoperative ASA status (American Society of Anesthesiologists physical status classification system), the intraoperative amount of given remifentanil, and the postoperative Aldrete score. The best model used pre-, intra-, and postoperative data. The non-linear boosted trees model achieved a mean AUROC of 0.854 and a mean AUPRC of 0.418 outperforming linear LR, well as best applied and retrained baseline models. Overall, non-linear machine learning models using data from multiple perioperative time phases were superior to traditional ones in predicting POD in the recovery room. Class imbalance was seen as a main impediment for model application in clinical practice.
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Affiliation(s)
- Niklas Giesa
- Institute of Medical Informatics, Charité – Universitätmedizin Berlin, Berlin, Germany
| | - Stefan Haufe
- Institute of Medical Informatics, Charité – Universitätmedizin Berlin, Berlin, Germany
- Berlin Center for Advanced Neuroimaging (BCAN), Charité – Universitätmedizin Berlin, Berlin, Germany
- Mathematical Modelling and Data Analysis Department, Physikalisch-Technische Bundesanstalt Braunschweig und Berlin, Berlin, Germany
- Uncertainty, Inverse Modeling and Machine Learning Group, Technische Universität Berlin, Berlin, Germany
| | - Mario Menk
- Department of Anesthesiology and Operative Intensive Care Medicine (CCM, CVK), Berlin, Germany
| | - Björn Weiß
- Department of Anesthesiology and Operative Intensive Care Medicine (CCM, CVK), Berlin, Germany
| | - Claudia D. Spies
- Department of Anesthesiology and Operative Intensive Care Medicine (CCM, CVK), Berlin, Germany
| | - Sophie K. Piper
- Institute of Medical Informatics, Charité – Universitätmedizin Berlin, Berlin, Germany
| | - Felix Balzer
- Institute of Medical Informatics, Charité – Universitätmedizin Berlin, Berlin, Germany
| | - Sebastian D. Boie
- Institute of Medical Informatics, Charité – Universitätmedizin Berlin, Berlin, Germany
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Wang H, Liu Q, Liu Y, Dong W, Wan J, Jiao X, Wu Y, Li T, Miao H. Role of the circRNA_34414/miR-6960a-5p/SIRT3 axis in postoperative delirium via CA1 Vglut1+ neurons in older mice. CNS Neurosci Ther 2024; 30:e14902. [PMID: 39138637 PMCID: PMC11322041 DOI: 10.1111/cns.14902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 07/11/2024] [Accepted: 07/24/2024] [Indexed: 08/15/2024] Open
Abstract
AIMS Postoperative delirium (POD) is a common neurological complication in elderly patients after anesthesia/surgery. The main purpose of this study is to explore the effect of circRNA-targeted miRNA regulating SIRT3 on mitochondrial function through ceRNA mechanism under the surgical model of tibial fracture and to further explore the potential mechanism of postoperative delirium mediated by circRNA, so as to provide new ideas for clinical diagnosis and prevention of POD. METHODS The surgical model of tibial fracture under sevoflurane anesthesia caused acute delirium-like behavior in elderly mice. We observed that the decrease of SIRT3 and mitochondrial dysfunction was related to POD, and miRNA and circRNA (circRNA_34414) related to SIRT3 were further studied. Through luciferase and RAP, we observed that circRNA_34414, as a miRNA sponge, was involved in the regulation of SIRT3 expression. RESULTS Postoperative delirium in elderly mice showed decreased expression of hippocampal circRNA_34414, increased expression of miR-6960-5p, decreased expression of SIRT3, and impaired mitochondrial membrane potential. Overexpression of circRNA_34414, or knockdown of miR-6960-5p, or overexpression of SIRT3 in hippocampal CA1 glutamatergic neurons significantly upregulated hippocampal SIRT3 expression, increased mitochondrial membrane potential levels, and significantly ameliorated postoperative delirium in aged mice; CircRNA_34414 ameliorates postoperative delirium in mice, possibly by targeting miR-6960-5p to upregulate SIRT3. CONCLUSIONS CircRNA_34414 is involved in the improvement of postoperative delirium induced by anesthesia/surgery by upregulating SIRT3 via sponging miR-6960-5p.
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Affiliation(s)
- Hai‐Bi Wang
- Jiangsu Province Key Laboratory of Anesthesiology/NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic DrugsXuzhou Medical UniversityXuzhouChina
- Department of AnesthesiologyQidong People's Hospital/Qidong Liver Cancer Institute/Affiliated Qidong Hospital of Nantong UniversityNantongChina
| | - Qiang Liu
- Jiangsu Province Key Laboratory of Anesthesiology/NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic DrugsXuzhou Medical UniversityXuzhouChina
| | - Yan‐Ping Liu
- Jiangsu Province Key Laboratory of Anesthesiology/NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic DrugsXuzhou Medical UniversityXuzhouChina
| | - Wei Dong
- Jiangsu Province Key Laboratory of Anesthesiology/NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic DrugsXuzhou Medical UniversityXuzhouChina
| | - Jie Wan
- Jiangsu Province Key Laboratory of Anesthesiology/NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic DrugsXuzhou Medical UniversityXuzhouChina
| | - Xin‐Hao Jiao
- Jiangsu Province Key Laboratory of Anesthesiology/NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic DrugsXuzhou Medical UniversityXuzhouChina
| | - Yu‐Qing Wu
- Jiangsu Province Key Laboratory of Anesthesiology/NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic DrugsXuzhou Medical UniversityXuzhouChina
| | - Tian‐Zuo Li
- Department of Anesthesiology, Beijing Shijitan HospitalCapital Medical UniversityBeijingChina
| | - Hui‐Hui Miao
- Department of Anesthesiology, Beijing Shijitan HospitalCapital Medical UniversityBeijingChina
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Dong B, Yu D, Zhang H, Li P, Li Y, Li C, Li J. Association between preoperative sarcopenia and postoperative delirium in older patients undergoing gastrointestinal cancer surgery. Front Aging Neurosci 2024; 16:1416569. [PMID: 39144259 PMCID: PMC11322050 DOI: 10.3389/fnagi.2024.1416569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Accepted: 07/19/2024] [Indexed: 08/16/2024] Open
Abstract
Background Postoperative delirium (POD) is a usual neurological complication, often leading to poor prognoses. Early identification of high-risk patients is crucial for preventing POD. Sarcopenia is an age-related geriatric syndrome characterized by the loss of skeletal muscle mass and function, and previous studies indicated that preoperative low muscle mass might be a predictor for POD. However, the association between preoperative sarcopenia and POD remains to be fully elucidated. This study was to explore the correlation between preoperative sarcopenia and POD following gastrointestinal cancer surgery in older patients. Methods Older patients (≥60 years) undergoing gastrointestinal cancer surgery were enrolled. Sarcopenia was defined based on the Special Interest Group on sarcopenia of the International Society of Physical and Rehabilitation Medicine (ISarcoPRM), which combined the loss of muscle mass (evaluated by ultrasound) and function (assessed by chair stand test and handgrip strength) before surgery. POD assessment was performed using the Confusion Assessment Method (CAM) or CAM for the intensive care unit (CAM-ICU) during the first 7 days after surgery or before discharge. Multivariate logistic regression analysis examined the correlation between preoperative sarcopenia and POD. Moreover, the receiver operator characteristic (ROC) curve was applied to analyze the predictive effect of the preoperative sarcopenia in POD. Results One hundred and thirty patients were finally included, of which 43 patients presented with sarcopenia before surgery. Twenty-four patients ultimately developed POD, and the incidence was 18.5%. The results of the multivariate analyses demonstrated that preoperative sarcopenia was still independently associated with POD after adjusting for age ≥70 years, preoperative Mini-Mental State Examination score, and intraoperative blood transfusion. The area under the ROC curve of preoperative sarcopenia in predicting POD was 0.680 (95% confidence interval 0.557-0.804). Conclusion Preoperative sarcopenia defined by ISarcoPRM criteria was independently associated with POD in geriatric patients after gastrointestinal cancer surgery.
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Affiliation(s)
- Bo Dong
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang, Hebei, China
- Graduate Faculty, Hebei North University, Zhangjiakou, China
| | - Dongdong Yu
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang, Hebei, China
| | - Huanhuan Zhang
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang, Hebei, China
| | - Pan Li
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang, Hebei, China
| | - Yi Li
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang, Hebei, China
| | - Chong Li
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang, Hebei, China
| | - Jianli Li
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang, Hebei, China
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Zhou B, Yu DD, Xu X, Wang J, Li J. Association of preoperative neutrophil-to-lymphocyte ratio with the risk of postoperative delirium in elderly patients undergoing noncardiac surgery: a systematic review and meta-analysis. Psychogeriatrics 2024; 24:993-1003. [PMID: 38807031 DOI: 10.1111/psyg.13138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 04/30/2024] [Accepted: 05/16/2024] [Indexed: 05/30/2024]
Abstract
To assess the correlation between preoperative neutrophil-to-lymphocyte ratio (NLR) and risk of postoperative delirium (POD) in older patients undergoing noncardiac surgery. PubMed, Web of Science, Embase, and Scopus were systematically retrieved from inception until February 2023. Two authors independently conducted the selection of literature, data extraction and statistical analysis. In this meta-analysis, Review Manager 5.4 was used for statistical analysis, and the mean difference (MD) and 95% confidence intervals (CIs) of preoperative NLR between the POD group and non-POD group were calculated. We utilised the Newcastle-Ottawa Scale (NOS) to evaluate the quality of literature. Further, our meta-analysis used a random-effects model, and publication bias was evaluated by conducting a funnel plot. The correlation between preoperative NLR and POD was the primary outcome, and the secondary outcome was the association of other prognostic factors with the risk of POD. This meta-analysis included seven studies with 2424 patients, of whom 403 were diagnosed with POD with an incidence of 16.63%. Results indicated a positive correlation between preoperative NLR and the risk of POD (MD = 1.06, 95% CI: 0.64-1.49; P < 0.001). Further, our results found that neutrophil counts, advanced age, longer surgery time, diabetes, and elevated C-reactive protein were significantly associated with POD (MD = 0.98, 95% CI: 0.40-1.56; P = 0.001; MD = 4.20, 95% CI: 2.90-5.51; P < 0.001; MD = 0.15, 95% CI: 0.05-0.25; P < 0.01; OR = 1.42, 95% CI: 1.08-1.86; P = 0.01; MD = 1.26, 95% CI: 0.36-2.16; P < 0.01). Other factors including lymphocyte counts, hypertension and male gender were not significantly associated with POD (MD = -0.11, 95% CI: -0.27 to 0.05; P > 0.05; OR = 1.20, 95% CI: 0.91-1.58, P > 0.05; OR = 1.28, 95% CI: 1.00-1.63; P = 0.05). Our meta-analysis indicated a positive correlation between preoperative NLR and the risk of POD in older noncardiac surgery patients.
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Affiliation(s)
- Bo Zhou
- Department of Anaesthesiology, Hebei General Hospital, Shijiazhuang, China
| | - Dong Dong Yu
- Department of Anaesthesiology, Hebei General Hospital, Shijiazhuang, China
| | - Xin Xu
- Dressing Room, Hebei General Hospital, Shijiazhuang, China
| | - Jing Wang
- Department of Anaesthesiology, Hebei General Hospital, Shijiazhuang, China
| | - Jianli Li
- Department of Anaesthesiology, Hebei General Hospital, Shijiazhuang, China
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Xiao Y, Li PJ, Guo MY, Cao Y, Liang ZA. Effect of obstructive sleep apnea on postoperative delirium: a system review and meta-analysis. Sleep Breath 2024:10.1007/s11325-024-03073-6. [PMID: 38861133 DOI: 10.1007/s11325-024-03073-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 05/24/2024] [Accepted: 06/03/2024] [Indexed: 06/12/2024]
Abstract
PURPOSE To investigate the impact of obstructive sleep apnea (OSA) on postoperative delirium (PD), and evaluate the effectiveness of positive airway pressure (PAP) therapy on PD among OSA patients. METHODS We systematically searched Embase, Cochrane Library and PubMed databases from their establishment to November 27, 2022. A random-effects approach was employed to determine aggregated results. Subgroup and sensitivity analyses were carried out to investigate heterogeneity. RESULTS Sixteen eligible studies were included in the analysis. Thirteen studies revealed that OSA significantly elevated the likelihood of developing PD (OR = 1.71; 95%CI = 1.17 to 2.49; p = 0.005). Subgroup analysis according to delirium assessment scales showed that OSA did not exhibit an association with the incidence of PD assessed by the Confusion Assessment Method-Intensive Care Unit (OR = 1.14; 95%CI = 0.77 to 1.67; p = 0.51) but enhanced the likelihood of developing PD evaluated with other measurement scales (OR = 2.15; 95%CI = 1.44 to 3.19; p = 0.0002). Three additional studies explored the impact of PAP treatment on PD among OSA individuals, indicating no significant reduction in PD incidence with PAP use (OR = 0.58; 95%CI = 0.13 to 2.47; p = 0.46). CONCLUSIONS OSA may not be a risk factor for PD in critically ill patients in the intensive care unit, but may increase the likelihood of developing PD among individuals receiving regular care in the ward postoperatively. The efficacy of PAP therapy in decreasing PD incidence among OSA patients remains debatable.
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Affiliation(s)
- Yao Xiao
- West China School of Medicine, West China Hospital, Sichuan University, No. 37 Guoxue Road, Chengdu, 610041, Sichuan, PR China
| | - Pei-Jun Li
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, No. 37 Guoxue Road, Chengdu, 610041, Sichuan, PR China.
| | - Meng-Yao Guo
- West China School of Medicine, West China Hospital, Sichuan University, No. 37 Guoxue Road, Chengdu, 610041, Sichuan, PR China
| | - Yuan Cao
- West China School of Medicine, West China Hospital, Sichuan University, No. 37 Guoxue Road, Chengdu, 610041, Sichuan, PR China
| | - Zong-An Liang
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, No. 37 Guoxue Road, Chengdu, 610041, Sichuan, PR China
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De Bueck U, Kohlhof H, Wirtz DC, Lukas A. Effects of an Integrated Geriatric-Orthopedic Co-management (InGerO) on the Treatment of Older Orthopedic Patients with Native and Periprosthetic Joint Infections. ZEITSCHRIFT FUR ORTHOPADIE UND UNFALLCHIRURGIE 2024; 162:272-282. [PMID: 37084757 DOI: 10.1055/a-2039-3084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/23/2023]
Abstract
In view of our aging society, co-management with a geriatrician is becoming increasingly important. While such collaborations have been working successfully in trauma surgery for years, it is still unclear whether they are also helpful for non-trauma patients in orthopedics. The aim of this study was to investigate the effect of such a cooperation in orthopedic non-trauma patients with native and periprosthetic joint infections on the basis of five key areas.A retrospective observational study as a before and after comparison was used to compare routine data from patients with and without orthogeriatric co-management after nontraumatic surgery. Eligible patients for the study were 70 years and older, had a diagnosis of hip, knee, or shoulder infection, and had been hospitalized for at least 14 days. Co-management consisted of close follow-up by a geriatrician, Comprehensive Geriatric Assessment, and "complex early geriatric rehabilitation". The comparison group received therapy as usual, without a geriatrician and without "complex early geriatric rehabilitation". Special attention was paid to delirium, pain, mobility, postoperative complications, and renal function.Analysis was carried out with 59 patients "with" and 63 "without" geriatric co-management. In the co-management group, delirium was detected significantly more often (p < 0.001), significantly lower pain intensities were measured at the time of discharge (p < 0.001), transfer ability had clearly improved more (p = 0.04), and renal function was more frequently noted (p = 0.04). No significant differences were found with respect to principal diagnoses, surgical procedures performed, complication rates, pressure ulcer and delirium incidence, operative revisions, or length of inpatient stay.Orthogeriatric co-management in orthopedic patients with native and periprosthetic joint infections and nontraumatic surgery appears to have positive impacts on recognition and treatment of delirium, pain management, transfer performance, and attention to renal function. Further studies should follow in order to conclusively assess the value of such co-management in orthopedic nontraumatic surgery patients.
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Affiliation(s)
- Ulrike De Bueck
- Geriatric Medicine, Helios Klinikum Bonn/Rhein-Sieg, Bonn, Germany
- Orthopedics and Trauma Surgery, Universitätsklinikum Bonn, Bonn, Germany
| | - Hendrik Kohlhof
- Unfall-, Hand- und Orthopädische Chirurgie, St. Antonius Krankenhaus Köln, 50968, Germany
- Orthopedics and Trauma Surgery, Universitätsklinikum Bonn, Bonn, Germany
| | | | - Albert Lukas
- Geriatric Medicine, Helios Klinikum Bonn/Rhein-Sieg, Bonn, Germany
- Orthopedics and Trauma Surgery, Universitätsklinikum Bonn, Bonn, Germany
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10
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Pu Y, Tian P, Huang Z. Characteristics of the top 100 cited electroencephalography articles on aging: a bibliometric analysis. Am J Transl Res 2024; 16:1749-1756. [PMID: 38883376 PMCID: PMC11170590 DOI: 10.62347/ccti1306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Accepted: 05/06/2024] [Indexed: 06/18/2024]
Abstract
Electroencephalography (EEG) is a widely used tool in neuroscience. To explore the features of the top 100 cited articles related to EEG and aging over the past decade, we conducted a bibliometric analysis using Web of Science Core Collection (WoSCC) data as of January 21, 2024. The selected top 100 cited papers were analyzed using VOSviewer and Excel. We examined the distribution of publication years, authors, institutions, countries/regions, and journals. Hotspots were identified through keyword analysis. The analyzed articles were published between 2014 and 2021, with the majority being published before 2020 (n=91). Citation counts in WoSCC ranged from 24 to 250, with a median of 40 and a mean of 53. A total of 818 authors from 283 institutions in 35 countries/territories contributed to these top papers. The United States of America (USA) (n=37), Germany (n=14), and Canada (n=11) ranked in the top three in terms of total publications or citations. The predominant journals were in the fields of Neuroscience (n=58), Geriatrics & Gerontology (n=22), Clinical Neurology (n=13), and Anesthesiology (n=9), which published most of the high-quality articles. Key themes included EEG, aging, Alzheimer's disease, mild cognitive impairment, functional connectivity, and alpha oscillations. Emerging topics included sleep, machine learning, delirium, postoperative cognitive function, virtual reality, monitoring, resting state, coherence, and transcranial direct current stimulation. In conclusion, this study provides a comprehensive overview of the trends in scientific literature on EEG in aging over the past decade. Authors and institutions from North America, Europe, and East Asia led in contributions. Journals focusing on neuroscience, geriatrics, and anesthesiology published the majority of articles. Degenerative neurological diseases and cognitive impairment were prominent topics, suggesting future studies should explore EEG's diagnostic utility for these disorders.
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Affiliation(s)
- Yuju Pu
- Department of Anesthesiology, Shenzhen Traditional Chinese Medicine Hospital Shenzhen 518033, Guangdong, China
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine Shenzhen 518033, Guangdong, China
| | - Pei Tian
- Department of Anesthesiology, Shenzhen Traditional Chinese Medicine Hospital Shenzhen 518033, Guangdong, China
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine Shenzhen 518033, Guangdong, China
| | - Zengping Huang
- Department of Anesthesiology, Shenzhen Traditional Chinese Medicine Hospital Shenzhen 518033, Guangdong, China
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine Shenzhen 518033, Guangdong, China
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11
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Liu R, Liu N, Suo S, Yang Q, Deng Z, Fu W, Wang M. Incidence and risk factors of postoperative delirium following hepatic resection: a retrospective national inpatient sample database study. BMC Surg 2024; 24:151. [PMID: 38745220 PMCID: PMC11092011 DOI: 10.1186/s12893-024-02436-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 05/03/2024] [Indexed: 05/16/2024] Open
Abstract
BACKGROUND Postoperative delirium (POD) is a common complication after major surgery and can cause a variety of adverse effects. However, no large-scale national database was used to assess the occurrence and factors associated with postoperative delirium (POD) following hepatic resection. METHODS Patients who underwent hepatic resection from 2015 to 2019 were screened using the International Classification of Diseases (ICD) 10th edition clinical modification code from the National Inpatient Sample (NIS) Database. Peri-operative factors associated with delirium were screened and underwent statistical analysis to identify independent predictors for delirium following hepatic resection. RESULTS A total of 80,070 patients underwent hepatic resection over a five-year period from 2015 to 2019. The overall occurrence of POD after hepatic resection was 1.46% (1039 cases), with a slight upward trend every year. The incidence of elective admission was 6.66% lower (88.60% vs. 81.94%) than that of patients without POD after hepatic resection and 2.34% (45.53% vs. 43.19%) higher than that of patients without POD in teaching hospitals (P < 0.001). In addition, POD patients were 6 years older (67 vs. 61 years) and comprised 9.27% (56.69% vs. 47.42%) more male patients (P < 0.001) compared to the unaffected population. In addition, the occurrence of POD was associated with longer hospitalization duration (13 vs. 5 days; P < 0.001), higher total cost ($1,481,89 vs. $683,90; P < 0.001), and higher in-hospital mortality (12.61% vs. 4.11%; P < 0.001). Multivariate logistic regression identified hepatic resection-independent risk factors for POD, including non-elective hospital admission, teaching hospital, older age, male sex, depression, fluid and electrolyte disorders, coagulopathy, other neurological disorders, psychoses, and weight loss. In addition, the POD after hepatic resection has been associated with sepsis, dementia, urinary retention, gastrointestinal complications, acute renal failure, pneumonia, continuous invasive mechanical ventilation, blood transfusion, respiratory failure, and wound dehiscence / non-healing. CONCLUSION Although the occurrence of POD after hepatic resection is relatively low, it is beneficial to investigate factors predisposing to POD to allow optimal care management and improve the outcomes of this patient population.
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Affiliation(s)
- Rui Liu
- Department of Anesthesiology, The Second Hospital of Lanzhou University, Lanzhou, Gansu, 730030, China
| | - Ningyuan Liu
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Shanlian Suo
- Department of Anesthesiology, The Second Hospital of Lanzhou University, Lanzhou, Gansu, 730030, China
| | - Qinfeng Yang
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Zhen Deng
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China.
| | - Wei Fu
- Department of Anesthesiology, The Second Hospital of Lanzhou University, Lanzhou, Gansu, 730030, China.
| | - Min Wang
- Department of Anesthesiology, The Second Hospital of Lanzhou University, Lanzhou, Gansu, 730030, China.
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12
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Zeng S, Qing Q, Xu W, Yu S, Zheng M, Tan H, Peng J, Huang J. Personalized anesthesia and precision medicine: a comprehensive review of genetic factors, artificial intelligence, and patient-specific factors. Front Med (Lausanne) 2024; 11:1365524. [PMID: 38784235 PMCID: PMC11111965 DOI: 10.3389/fmed.2024.1365524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 04/22/2024] [Indexed: 05/25/2024] Open
Abstract
Precision medicine, characterized by the personalized integration of a patient's genetic blueprint and clinical history, represents a dynamic paradigm in healthcare evolution. The emerging field of personalized anesthesia is at the intersection of genetics and anesthesiology, where anesthetic care will be tailored to an individual's genetic make-up, comorbidities and patient-specific factors. Genomics and biomarkers can provide more accurate anesthetic protocols, while artificial intelligence can simplify anesthetic procedures and reduce anesthetic risks, and real-time monitoring tools can improve perioperative safety and efficacy. The aim of this paper is to present and summarize the applications of these related fields in anesthesiology by reviewing them, exploring the potential of advanced technologies in the implementation and development of personalized anesthesia, realizing the future integration of new technologies into clinical practice, and promoting multidisciplinary collaboration between anesthesiology and disciplines such as genomics and artificial intelligence.
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Affiliation(s)
- Shiyue Zeng
- Zhuzhou Clinical College, Jishou University, Jishou, China
| | - Qi Qing
- Zhuzhou Clinical College, Jishou University, Jishou, China
| | - Wei Xu
- Department of Anesthesiology, Zhuzhou Central Hospital, Zhuzhou, China
| | - Simeng Yu
- Zhuzhou Clinical College, Jishou University, Jishou, China
| | - Mingzhi Zheng
- Department of Anesthesiology, Zhuzhou Central Hospital, Zhuzhou, China
| | - Hongpei Tan
- Department of Radiology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Junmin Peng
- Department of Anesthesiology, Zhuzhou Central Hospital, Zhuzhou, China
| | - Jing Huang
- Department of Anesthesiology, Zhuzhou Central Hospital, Zhuzhou, China
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13
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Yang C, Deng Q, Zhang C, Cao Y, Li J, Mao C. A commentary on 'Risk factors for delayed recovery in postanesthesia care unit after surgery: a large and retrospective cohort study'. Int J Surg 2024; 110:3128-3129. [PMID: 38349212 DOI: 10.1097/js9.0000000000001220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 02/04/2024] [Indexed: 05/16/2024]
Affiliation(s)
- Chao Yang
- Department of Urology, Anhui Provincial Children's Hospital
| | - Qifei Deng
- Department of Urology, Anhui Provincial Children's Hospital
| | - Chi Zhang
- Department of Oncology, Anhui Chest Hospital, Hefei City, Anhui Province, People's Republic of China
| | - Yongsheng Cao
- Department of Urology, Anhui Provincial Children's Hospital
| | - Junting Li
- Department of Urology, Anhui Provincial Children's Hospital
| | - Changkun Mao
- Department of Urology, Anhui Provincial Children's Hospital
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Chen N, Mo YC, Xu M, Chen SS, Gao W, Zheng Q, Wang J, Wang XC, Wang JL. Risk factors for postoperative delirium in elderly patients undergoing heart valve surgery with cardiopulmonary bypass. J Cardiothorac Surg 2024; 19:106. [PMID: 38388409 PMCID: PMC10885359 DOI: 10.1186/s13019-024-02568-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 01/30/2024] [Indexed: 02/24/2024] Open
Abstract
BACKGROUND The aim of this study was to identify the risk factors for postoperative delirium (POD) in elderly patients undergoing heart valve surgery with cardiopulmonary bypass (CPB). METHODS Elderly patients undergoing elective heart valve surgery with CPB in The First Affiliated Hospital of Wenzhou Medical University between March 2022 and March 2023 were selected for this investigation. They were divided into a POD group and a non-POD group. Their baseline information was collected and recorded, and the patients were subjected to neurocognitive function assessment using the Mini-Mental State Examination and the Montreal Cognitive Assessment scales before surgery. We also recorded their intraoperative indicators such as duration of surgery, duration of CPB, duration of aortic cross-clamp, blood transfusion, and postoperative indicators such as duration of mechanical ventilation, postoperative 24-hour drainage volume, and pain score. Regional cerebral oxygen saturation was monitored intraoperatively by near-infrared spectroscopy based INVOS5100C Regional Oximeter. Patients were assessed for the occurrence of POD using Confusion Assessment Method for the Intensive Care Unit, and logistic regression analysis of risk factors for POD was performed. RESULTS The study finally included 132 patients, with 47 patients in the POD group and 85 ones in the non-POD group. There were no significant differences in baseline information and preoperative indicators between the two groups. However, marked differences were identified in duration of surgery, duration of CPB, duration of aortic cross-clamp, duration of postoperative mechanical ventilation, postoperative length of stay in cardiac intensive care unit, postoperative length of hospital stay, intraoperative blood transfusion, postoperative pain score, and postoperative 24-hour drainage volume between the two groups (p < 0.05). Additionally, the two groups had significant differences in rScO2 at each intraoperative time point and in the difference of rScO2 from baseline at each intraoperative time point (p < 0.05). Multivariate logistic regression analysis showed that duration of surgery > 285 min (OR, 1.021 [95% CI, 1.008-1.035]; p = 0.002), duration of postoperative mechanical ventilation > 23.5 h (OR, 6.210 [95% CI, 1.619-23.815]; p = 0.008), and postoperative CCU stay > 3.5 d (OR, 3.927 [95% CI, 1.046-14.735]; p = 0.043) were independent risk factors of the occurrence of POD while change of rScO2 at T1>50.5 (OR, 0.832 [95% CI 0.736-0.941]; p = 0.003) was a protective factor for POD. CONCLUSION Duration of surgery duration of postoperative mechanical ventilation and postoperative CCU stay are risk factors for POD while change of rScO2 at T1 is a protective factor for POD in elderly patients undergoing heart valve surgery with CPB.
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Affiliation(s)
- Na Chen
- Department of Surgical Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Yun-Chang Mo
- Department of Surgical Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Min Xu
- Department of Surgical Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Si-Si Chen
- Department of Geriatric Medicine, Wenzhou Central Hospital, Wenzhou, Zhejiang, 325000, China
| | - Wei Gao
- Department of Surgical Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Qiong Zheng
- Department of Surgical Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Jue Wang
- Department of Cardiac Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Xiao-Chu Wang
- Department of Surgical Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Jun-Lu Wang
- Department of Surgical Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China.
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Liu J, Wang T, Song J, Cao L. Effect of esketamine on postoperative analgesia and postoperative delirium in elderly patients undergoing gastrointestinal surgery. BMC Anesthesiol 2024; 24:46. [PMID: 38302882 PMCID: PMC10832082 DOI: 10.1186/s12871-024-02424-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 01/22/2024] [Indexed: 02/03/2024] Open
Abstract
OBJECTIVE To investigate the analgesic effect of esketamine combined with low-dose sufentanil in elderly patients after gastrointestinal surgery, and whether the anti-inflammatory effect of esketamine is involved in the mechanism of postoperative delirium. METHOD We enrolled sixty elderly patients (age ≥ 65 years old, American Society of Anesthesiologists (ASA) grade I-III) who underwent gastrointestinal surgery. Patients were randomly assigned to Group C (control group) who received sufentanil 2 ug/kg, and Group E (experimental group) who received sufentanil 1.5 ug/kg + esketamine 1 mg/kg, with 30 patients in each group. All patients underwent total intravenous anesthesia during the surgery and were connected to a patient-controlled intravenous analgesia (PCIA) pump after surgery. The primary outcome was the evaluation of pain at 4, 24, 48 h after surgery which was evaluated by NRS scores. In secondary outcomes, inflammation was assessed by measuring IL-6 levels using ELISA. The postoperative delirium and the occurrence of adverse reactions were observed on the 1st and 3rd day after surgery. RESULTS The NRS scores at 4, 24, and 48 h after surgery in the experimental group [(4.53 ± 1.22), (3.46 ± 0.73), (1.37 ± 0.99)] were lower than that in the control group [(5.23 ± 1.16), (4.46 ± 0.77), (2.13 ± 0.78)] (P < 0.05). The concentration of serum IL-6 in the experimental group at 24 and 48 h after operation [(15.96 ± 4.65), (11.8 ± 3.24)] were lower than that in the control group [(23.07 ± 4.86), (15.41 ± 4.01)] (P < 0.05); the incidence of postoperative delirium in the experimental group was less than that in the control group (P < 0.05); there was no significant difference in the incidence of postoperative nausea and vomiting between the two groups (P > 0.05), and neither group had nightmares or delirium. CONCLUSION Esketamine may enhance postoperative pain management compare with sufentanil, and esketamine has anti-inflammatory effects that reduce the incidence of postoperative delirium. TRIAL REGISTRATION Full name of the registry: Chinese Clinical Trial Registry. TRIAL REGISTRATION NUMBER ChiCTR2300072374. Date of registration:2023/06/12.
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Affiliation(s)
- Jing Liu
- Department of Anesthesiology, The Affiliated Taian City Central Hospital of Qingdao University, No. 29 Longtan Road, Taishan District, Tai'an City, Shandong Province, 271000, China
| | - TingTing Wang
- Department of Anesthesiology, The Affiliated Taian City Central Hospital of Qingdao University, No. 29 Longtan Road, Taishan District, Tai'an City, Shandong Province, 271000, China
| | - Jian Song
- Department of Anesthesiology, The Affiliated Taian City Central Hospital of Qingdao University, No. 29 Longtan Road, Taishan District, Tai'an City, Shandong Province, 271000, China
| | - Li Cao
- Department of Anesthesiology, The Affiliated Taian City Central Hospital of Qingdao University, No. 29 Longtan Road, Taishan District, Tai'an City, Shandong Province, 271000, China.
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16
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Aldecoa C, Bettelli G, Bilotta F, Sanders RD, Aceto P, Audisio R, Cherubini A, Cunningham C, Dabrowski W, Forookhi A, Gitti N, Immonen K, Kehlet H, Koch S, Kotfis K, Latronico N, MacLullich AMJ, Mevorach L, Mueller A, Neuner B, Piva S, Radtke F, Blaser AR, Renzi S, Romagnoli S, Schubert M, Slooter AJC, Tommasino C, Vasiljewa L, Weiss B, Yuerek F, Spies CD. Update of the European Society of Anaesthesiology and Intensive Care Medicine evidence-based and consensus-based guideline on postoperative delirium in adult patients. Eur J Anaesthesiol 2024; 41:81-108. [PMID: 37599617 PMCID: PMC10763721 DOI: 10.1097/eja.0000000000001876] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
Postoperative delirium (POD) remains a common, dangerous and resource-consuming adverse event but is often preventable. The whole peri-operative team can play a key role in its management. This update to the 2017 ESAIC Guideline on the prevention of POD is evidence-based and consensus-based and considers the literature between 01 April 2015, and 28 February 2022. The search terms of the broad literature search were identical to those used in the first version of the guideline published in 2017. POD was defined in accordance with the DSM-5 criteria. POD had to be measured with a validated POD screening tool, at least once per day for at least 3 days starting in the recovery room or postanaesthesia care unit on the day of surgery or, at latest, on postoperative day 1. Recent literature confirmed the pathogenic role of surgery-induced inflammation, and this concept reinforces the positive role of multicomponent strategies aimed to reduce the surgical stress response. Although some putative precipitating risk factors are not modifiable (length of surgery, surgical site), others (such as depth of anaesthesia, appropriate analgesia and haemodynamic stability) are under the control of the anaesthesiologists. Multicomponent preoperative, intra-operative and postoperative preventive measures showed potential to reduce the incidence and duration of POD, confirming the pivotal role of a comprehensive and team-based approach to improve patients' clinical and functional status.
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Affiliation(s)
- César Aldecoa
- From the Department of Anaesthesia and Postoperative Critical Care, Hospital Universitario Rio Hortega, Valladolid, Spain (CA), Department of Biomedical Studies, University of the Republic of San Marino, San Marino (GB), Department of Anesthesiology, Critical Care and Pain Medicine, 'Sapienza' University of Rome, Rome, Italy (FB, AF, LM), Specialty of Anaesthetics & NHMRC Clinical Trials Centre, University of Sydney & Department of Anaesthetics and Institute of Academic Surgery, Royal Prince Alfred Hospital (RDS), Department of Anesthesiology and Intensive Care Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, and Humboldt Universität zu Berlin, Campus Charité Mitte, and Campus Virchow Klinikum (CDS, SK, AM, BN, LV, BW, FY), Dipartimento di Scienze dell'Emergenza, Anestesiologiche e della Rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy (PA), Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Rome, Italy (PA), Department of Surgery, Institute of Clinical Sciences, Sahlgrenska University Hospital, Göteborg, Sweden (RA), Geriatria, Accettazione Geriatrica e Centro di ricerca per l'invecchiamento, IRCCS INRCA, Ancona, Italy (AC), School of Biochemistry and Immunology and Trinity College Institute of Neuroscience, Trinity College, Dublin, Ireland (CC), First Department of Anaesthesiology and Intensive Care Medical University of Lublin, Poland (WD), Research Unit of Nursing Science and Health Management, University of Oulu, Oulu, Finland (KI), Section of Surgical Pathophysiology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark (HK), Department of Anesthesiology, Intensive Therapy and Acute Intoxications, Pomeranian Medical University in Szczecin, Poland (KK), Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia (NG, NL, SP, SR), Department of Anesthesia, Critical Care and Emergency, Spedali Civili University Hospital, Brescia, Italy (NL, SP), Edinburgh Delirium Research Group, Ageing and Health, Usher Institute, University of Edinburgh, Edinburgh, United Kingdom (AMJM), Department of Anaesthesia and Intensive Care, Nykoebing Hospital; University of Southern Denmark, SDU (SK, FR), Department of Anaesthesiology and Intensive Care, University of Tartu, Tartu, Estonia (ARB), Center for Intensive Care Medicine, Luzerner Kantonsspital, Lucerne, Switzerland (ARB), Department of Health Science, Section of Anesthesiology, University of Florence (SR), Department of Anaesthesia and Critical Care, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy (SR), School of Health Sciences, Institute of Nursing, ZHAW Zurich University of Applied Science, Winterthur, Switzerland (MS), Departments of Psychiatry and Intensive Care Medicine, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands (AJCS), Department of Neurology, UZ Brussel and Vrije Universiteit Brussel, Brussels, Belgium (AJCS) and Dental Anesthesia and Intensive Care Unit, Polo Universitario Ospedale San Paolo, Department of Biomedical, Surgical and Odontoiatric Sciences, University of Milano, Milan, Italy (CT)
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Zhao X, Li J, Xie X, Fang Z, Feng Y, Zhong Y, Chen C, Huang K, Ge C, Shi H, Si Y, Zou J. Online interpretable dynamic prediction models for postoperative delirium after cardiac surgery under cardiopulmonary bypass developed based on machine learning algorithms: A retrospective cohort study. J Psychosom Res 2024; 176:111553. [PMID: 37995429 DOI: 10.1016/j.jpsychores.2023.111553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 11/12/2023] [Accepted: 11/12/2023] [Indexed: 11/25/2023]
Abstract
OBJECTIVE Postoperative delirium (POD) is strongly associated with poor early and long-term prognosis in cardiac surgery patients with cardiopulmonary bypass (CPB). This study aimed to develop dynamic prediction models for POD after cardiac surgery under CPB using machine learning (ML) algorithms. METHODS From July 2021 to June 2022, clinical data were collected from patients undergoing cardiac surgery under CPB at Nanjing First Hospital. A dataset from the same center (October 2022 to November 2022) was also used for temporal external validation. We used ML and deep learning to build models in the training set, optimized parameters in the test set, and finally validated the best model in the validation set. The SHapley Additive exPlanations (SHAP) method was introduced to explain the best models. RESULTS Of the 885 patients enrolled, 221 (25.0%) developed POD. 22 (22.0%) of 100 validation cohort patients developed POD. The preoperative and postoperative artificial neural network (ANN) models exhibited optimal performance. The validation results demonstrated satisfactory predictive performance of the ANN model, with area under the receiver operator characteristic curve (AUROC) values of 0.776 and 0.684 for the preoperative and postoperative models, respectively. Based on the ANN algorithm, we constructed dynamic, highly accurate, and interpretable web risk calculators for POD. CONCLUSIONS We successfully developed online interpretable dynamic ANN models as clinical decision aids to identify patients at high risk of POD before and after cardiac surgery to facilitate early intervention or care.
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Affiliation(s)
- Xiuxiu Zhao
- Department of Anesthesiology, Perioperative and Pain Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Junlin Li
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China; Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Xianhai Xie
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China; Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Zhaojing Fang
- Department of Anesthesiology, Perioperative and Pain Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Yue Feng
- Department of Anesthesiology, Perioperative and Pain Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Yi Zhong
- Department of Anesthesiology, Perioperative and Pain Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Chen Chen
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China; Department of Pharmacy, Nanjing First Hospital, China Pharmaceutical University, Nanjing, China
| | - Kaizong Huang
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China; Department of Pharmacy, Nanjing First Hospital, China Pharmaceutical University, Nanjing, China
| | - Chun Ge
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China; Department of Pharmacy, Nanjing First Hospital, China Pharmaceutical University, Nanjing, China
| | - Hongwei Shi
- Department of Anesthesiology, Perioperative and Pain Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Yanna Si
- Department of Anesthesiology, Perioperative and Pain Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China.
| | - Jianjun Zou
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China; Department of Pharmacy, Nanjing First Hospital, China Pharmaceutical University, Nanjing, China.
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Li J, Liu J, Zhang M, Wang J, Liu M, Yu D, Rong J. Thoracic delirium index for predicting postoperative delirium in elderly patients following thoracic surgery: A retrospective case-control study. Brain Behav 2024; 14:e3379. [PMID: 38376027 PMCID: PMC10772846 DOI: 10.1002/brb3.3379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 12/10/2023] [Accepted: 12/20/2023] [Indexed: 02/21/2024] Open
Abstract
BACKGROUND Postoperative delirium (POD) is an acute neurological complication in the elderly undergoing thoracic surgery and can result in serious adverse consequences. AIMS This study aimed to identify the related risk factors for POD following thoracic surgery, primarily focusing on preoperative serum biomarkers, and further to establish a novel delirium index to better predict POD. METHODS A total of 279 patients aged ≥60 years who underwent elective thoracic surgery from August 2021 to August 2022 were enrolled in this observational study. The platelet-to-white blood cell ratio (PWR) was calculated as number the of platelets divided by the number of white blood cells. POD was defined by the confusion assessment method twice daily during the postoperative first 3 days. Multivariate regression analysis was performed to identify all potential variables for POD. Moreover, a novel thoracic delirium index (TDI) was developed based on the related risk factors. The accuracy of TDI and its component factors in predicting POD was determined by the curve of receiver operating characteristic (ROC). RESULTS In total, 25 of 279 patients developed POD (8.96%). Age, PWR, and average pain scores within the first 3 days after surgery were regarded as the independent risk factors for POD. Moreover, the ROC analysis showed the TDI, including age, PWR, and average pain scores within the first 3 days after surgery, can more accurately predict POD with the largest area under the curve of 0.790 and the optimal cutoff value of 9.072, respectively. CONCLUSION The TDI can scientifically and effectively predict POD to provide optimal clinical guidance for older patients after thoracic surgery.
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Affiliation(s)
- Jianli Li
- Department of AnesthesiologyHebei General HospitalShijiazhuang CityChina
| | - Jing Liu
- Department of AnesthesiologyHebei General HospitalShijiazhuang CityChina
- Graduate FacultyHebei North UniversityZhangjiakou CityChina
| | - Mingming Zhang
- Department of AnesthesiologyHebei General HospitalShijiazhuang CityChina
| | - Jing Wang
- Department of AnesthesiologyHebei General HospitalShijiazhuang CityChina
| | - Meinv Liu
- Department of AnesthesiologyHebei General HospitalShijiazhuang CityChina
| | - Dongdong Yu
- Department of AnesthesiologyHebei General HospitalShijiazhuang CityChina
| | - Junfang Rong
- Department of AnesthesiologyHebei General HospitalShijiazhuang CityChina
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Long YQ, Xu QY, Zhao WM, Shan XS, Yang HT, Zhuang K, Liu H, Ji FH, Peng K. Dexmedetomidine Infusion Versus Placebo During Light or Deep Anesthesia on Postoperative Delirium in Older Patients Undergoing Major Noncardiac Surgery: A Pilot Randomized Factorial Trial. Anesth Analg 2024; 138:161-170. [PMID: 37874773 DOI: 10.1213/ane.0000000000006686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
BACKGROUND Postoperative delirium (POD) is common among older surgical patients and may be affected by dexmedetomidine and depth of anesthesia. We designed this pilot study to assess the feasibility of comparing dexmedetomidine with normal saline during light versus deep anesthesia on POD in older patients undergoing major noncardiac surgery. METHODS In this pilot randomized factorial study, 80 patients aged 60 years or older undergoing major noncardiac surgery were randomized (1:1:1:1) to receive dexmedetomidine infusion 0.5 μg/kg/h or normal saline placebo during light (bispectral index [BIS] target 55) or deep (BIS target 40) anesthesia. Feasibility end points included consent rate and dropout rate, timely enrollment, blinded study drug administration throughout surgery, no inadvertent unmasking, achieving BIS target throughout >70% of surgery duration, and the process of twice-daily POD screening. In addition, we estimated the POD incidences in the 2 control groups (placebo and deep anesthesia) and treatment effects of dexmedetomidine and light anesthesia. RESULTS Between November 1, 2021, and June 30, 2022, 78 patients completed the trial (mean [standard deviation, SD] age, 69.6 [4.6] years; 48 male patients [62%]; dexmedetomidine-deep, n = 19; dexmedetomidine-light, n = 20; placebo-deep, n = 19; placebo-light, n = 20). This study had a high consent rate (86%) and a low dropout rate (2.5%). Average recruitment was 5 patients at each center per month. Dexmedetomidine and normal saline were administered in a blinded fashion in all patients. Unmasking did not occur in either group. Approximately 99% of patients received the scheduled study drug infusion throughout the surgery. Approximately 81% of patients achieved the BIS targets throughout >70% of the surgery duration. The scheduled twice-daily POD screening was completed without exception. Overall, 10 of the 78 patients (13%; 95% confidence interval [CI], 7%-22%) developed POD. For the 2 reference groups, POD was observed in 7 of the 39 patients (17.9%; 95% CI, 9%-32.7%) in the placebo group and 7 of the 38 patients (18.4%; 95% CI, 9.2%-33.4%) in the deep anesthesia group. Regarding the treatment effects on POD, the estimated between-group difference was -10% (95% CI, -28% to 7%) for dexmedetomidine versus placebo, and -11% (95% CI, -28% to 6%) for light versus deep anesthesia. CONCLUSIONS The findings of this pilot study demonstrate the feasibility of assessing dexmedetomidine versus placebo during light versus deep anesthesia on POD among older patients undergoing major noncardiac surgery, and justify a multicenter randomized factorial trial.
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Affiliation(s)
- Yu-Qin Long
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Anesthesiology, Soochow University, Suzhou, Jiangsu, China
| | - Qi-Ya Xu
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Anesthesiology, Soochow University, Suzhou, Jiangsu, China
| | - Wei-Ming Zhao
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Anesthesiology, Soochow University, Suzhou, Jiangsu, China
| | - Xi-Sheng Shan
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Anesthesiology, Soochow University, Suzhou, Jiangsu, China
| | - Hao-Tian Yang
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Anesthesiology, Soochow University, Suzhou, Jiangsu, China
| | - Kai Zhuang
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Anesthesiology, Soochow University, Suzhou, Jiangsu, China
| | - Hong Liu
- Department of Anesthesiology and Pain Medicine, University of California Davis Health, Sacramento, California
| | - Fu-Hai Ji
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Anesthesiology, Soochow University, Suzhou, Jiangsu, China
| | - Ke Peng
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Anesthesiology, Soochow University, Suzhou, Jiangsu, China
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Li X, Wu J, Lan H, Shan W, Xu Q, Dong X, Duan G. Effect of Intraoperative Intravenous Lidocaine on Postoperative Delirium in Elderly Patients with Hip Fracture: A Prospective Randomized Controlled Trial. Drug Des Devel Ther 2023; 17:3749-3756. [PMID: 38125207 PMCID: PMC10730424 DOI: 10.2147/dddt.s437599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023] Open
Abstract
Purpose This study was performed to evaluate the effects of intraoperative intravenous lidocaine on postoperative delirium in elderly patients with hip fracture. Patients and methods In total, 100 elderly patients undergoing hip fracture surgery were randomized to the lidocaine group (Group L) or saline (control) group (Group C). Before anesthetic induction, Group L received lidocaine at 1 mg/kg for more than 10 minutes followed by continuous infusion at 1.5 mg/kg/h until the end of surgery. Group C received normal saline, and the injection methods were consistent with those in Group L. General anesthesia was induced with propofol, sufentanil, and cis-atracurium. Anesthesia was maintained by propofol and remifentanil. The primary outcome was the incidence of postoperative delirium in the first 7 postoperative days. The secondary outcomes included the severity of delirium, onset and duration of delirium, emergence agitation, adverse events, total propofol dose, intraoperative opioid dosage, length of post-anesthesia care unit stay, extubation time, and patient satisfaction with postoperative pain management. Results All 100 patients completed the study. The incidence of postoperative delirium was lower in Group L than in Group C (14% vs 36%, P = 0.011). The delirium severity scores were lower in Group L (3 [3-4]) than in Group C (4 [4-5]) (P = 0.017). In addition, the incidences of hypertension, tachycardia, and emergence agitation were significantly lower in Group L than in Group C. No cases of local anesthetic toxicity occurred in either group. Conclusion Patients received lidocaine at 1 mg/kg for more than 10 minutes followed by continuous infusion at 1.5 mg/kg/h until the end of surgery, which can reduce the incidence of postoperative delirium in elderly patients undergoing hip fracture. In addition, the used regimen of lidocaine would not increase the risk of local anesthetic toxicity.
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Affiliation(s)
- Xiaofen Li
- Nursing Department, Lishui People’s Hospital, The Sixth Affiliated Hospital of Wenzhou Medical University, Lishui, People’s Republic of China
| | - Jimin Wu
- Department of Anesthesiology, Lishui People’s Hospital, The Sixth Affiliated Hospital of Wenzhou Medical University, Lishui, People’s Republic of China
| | - Haiyan Lan
- Department of Anesthesiology, Lishui People’s Hospital, The Sixth Affiliated Hospital of Wenzhou Medical University, Lishui, People’s Republic of China
| | - Weifeng Shan
- Department of Anesthesiology, Lishui People’s Hospital, The Sixth Affiliated Hospital of Wenzhou Medical University, Lishui, People’s Republic of China
| | - Qiaomin Xu
- Department of Anesthesiology, Lishui People’s Hospital, The Sixth Affiliated Hospital of Wenzhou Medical University, Lishui, People’s Republic of China
| | - Xiaoli Dong
- Department of Anesthesiology, Lishui People’s Hospital, The Sixth Affiliated Hospital of Wenzhou Medical University, Lishui, People’s Republic of China
| | - Gongchen Duan
- Department of Anesthesiology, Lishui People’s Hospital, The Sixth Affiliated Hospital of Wenzhou Medical University, Lishui, People’s Republic of China
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Dogan TD, Guttenthaler V, Zimmermann A, Kunsorg A, Dinç MÖ, Knuelle N, Schewe JC, Wittmann M. Functional intervention following cardiac surgery to prevent postoperative delirium in older patients (FEEL WELL study). J Intensive Care 2023; 11:62. [PMID: 38093389 PMCID: PMC10716938 DOI: 10.1186/s40560-023-00711-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 12/06/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Postoperative delirium is a common complication in patients after cardiac surgery, especially in older patients, and can manifest as a disturbance of attention and consciousness. It can lead to increased postoperative morbidity, prolonged need for care, and mortality. The presented study investigates whether the occurrence of postoperative delirium after cardiac surgery can be prevented by a multisensory stimulation. It was conducted as a prospective, randomized, controlled, non-pharmacological intervention study in the years 2021 and 2022 at the University Hospital Bonn in Germany. A total of 186 patients over 65 years with elective cardiac surgery were enrolled. Patients were randomized either to the intervention or control group. In both groups, postoperative delirium was assessed with the 3-min diagnostic interview for confusion assessment method on the first 5 days after surgery and pain was assessed using the Numeric Rating Scale. Multisensory stimulation was performed 20 min a day for the first three postoperative days in the intervention group. RESULTS The incidence of postoperative delirium was 22.6% in the intervention group and 49.5% in the control group (p < 0.001). Duration of postoperative delirium was significantly shorter in the intervention group (p < 0.001). Stay in the intensive care unit was significantly longer in the control group (p = 0.006). In the regression model non-intervention, high pain scores, advanced age, and prolonged mechanical ventilation were associated with postoperative delirium (p = 0.007; p = 0.032; p = 0.006; p = 0.006, respectively). CONCLUSIONS Results of the study imply that a multisensory stimulation done on the first 3 days after planned cardiac surgery can reduce the incidence and duration of postoperative delirium in older patients. Influence of the treatment on the incidence of delirium in other patient groups, the length of stay in the intensive care unit, and patients´ postoperative pain should be confirmed in further clinical studies. TRIAL REGISTRATION DRKS, DRKS00026909. Registered 28 October 2021, Retrospectively registered, https://drks.de/search/de/trial/DRKS00026909 .
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Affiliation(s)
- Tuğce Dinç Dogan
- Department of Anaesthesia and Intensive Care Medicine, Istanbul University Istanbul Medical Faculty, Istanbul, Turkey
| | - Vera Guttenthaler
- Department of Anaesthesia and Intensive Care Medicine, University Hospital Bonn, Bonn, Germany.
| | | | - Andrea Kunsorg
- Department of Anaesthesia and Intensive Care Medicine, University Hospital Bonn, Bonn, Germany
| | - Merve Özlem Dinç
- Department of Anaesthesia and Intensive Care Medicine, Istanbul University Istanbul Medical Faculty, Istanbul, Turkey
| | | | - Jens-Christian Schewe
- Department of Anaesthesia and Intensive Care Medicine, University Hospital Bonn, Bonn, Germany
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Medical Centre Rostock, Rostock, Germany
| | - Maria Wittmann
- Department of Anaesthesia and Intensive Care Medicine, University Hospital Bonn, Bonn, Germany
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Chen J, Chen J, Hu J, Huang R, Shen L, Gu H, Chai X, Wang D. Cigarette smoking is linked to an increased risk of delirium following arthroplasty in patients suffering from osteoarthritic pain. CNS Neurosci Ther 2023; 29:3854-3862. [PMID: 37334739 PMCID: PMC10651961 DOI: 10.1111/cns.14306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/03/2023] [Accepted: 05/30/2023] [Indexed: 06/20/2023] Open
Abstract
AIMS Postoperative delirium (POD) is a common postoperative complication, and the potential relationship between cigarette smoking and POD is still unclear. The current study evaluated the relationship between preoperative smoking status in patients suffering from osteoarthritic pain and POD after total knee arthroplasty (TKA). METHODS A total of 254 patients who had undergone unilateral TKA were enrolled between November 2021 and December 2022, with no gender limitation. Preoperatively, patients' visual analog scale (VAS) scores at rest and during movement, hospital anxiety and depression (HAD) scores, pain catastrophizing scale (PCS) scores and smoking status were collected. The primary outcome was the incidence of POD, which was evaluated by the confusion assessment method (CAM). RESULTS A total of 188 patients had complete datasets for final analysis. POD was diagnosed in 41 of 188 patients (21.8%) who had complete data for analysis. The incidence of smoking was significantly higher in Group POD than in Group Non-POD (22 of 41 patients [54%] vs. 47 of 147 patients [32%], p < 0.05). The postoperative hospital stays were also longer than those of Group Non-POD (p < 0.001). Multiple logistic regression analysis showed that preoperative smoking (OR: 4.018, 95% CI: 1.158-13.947, p = 0.028) was a risk factor for the occurrence of POD in patients with TKA. The length of hospital stay was correlated with the occurrence of POD. CONCLUSIONS Our findings suggest that patients who smoked preoperatively were at increased risk of developing POD following TKA.
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Affiliation(s)
- Jie‐ru Chen
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTCDivision of Life Sciences and Medicine, University of Science and Technology of ChinaHefeiChina
| | - Jia‐qi Chen
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTCDivision of Life Sciences and Medicine, University of Science and Technology of ChinaHefeiChina
| | - Ji‐cheng Hu
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTCDivision of Life Sciences and Medicine, University of Science and Technology of ChinaHefeiChina
| | - Run‐sheng Huang
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTCDivision of Life Sciences and Medicine, University of Science and Technology of ChinaHefeiChina
| | - Liang Shen
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTCDivision of Life Sciences and Medicine, University of Science and Technology of ChinaHefeiChina
| | - Hai Gu
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTCDivision of Life Sciences and Medicine, University of Science and Technology of ChinaHefeiChina
| | - Xiao‐qing Chai
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTCDivision of Life Sciences and Medicine, University of Science and Technology of ChinaHefeiChina
| | - Di Wang
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTCDivision of Life Sciences and Medicine, University of Science and Technology of ChinaHefeiChina
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Li L, Liu M, Li S, Xu J, Zheng J, Lv C, Wu L, Heng L. Influence of Regional Nerve Block in Addition to General Anesthesia on Postoperative Delirium, Pain, and In-hospital Stay in Patients Undergoing Cardiothoracic Surgery: A Meta-analysis. J Cardiovasc Pharmacol 2023; 82:496-503. [PMID: 37548460 DOI: 10.1097/fjc.0000000000001469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 07/14/2023] [Indexed: 08/08/2023]
Abstract
ABSTRACT This study aims to investigate whether venous injection of sedative agent or regional nerve block in alliance with major anesthesia could decrease the risk of postoperative delirium occurrence in patients receiving cardiothoracic surgery. Electronic academic databases were retrieved for related publications, and statistical software was used for data pooling and analysis. Forest plot was used to show the pooled sensitivity, specificity, and diagnostic odds ratio. Combined receiver operating characteristic curve was used to show the area under the curve of complex data. Seven studies were included for analysis. The risk of occurrence of delirium still showed no difference (risk rate = 0.93, 95% CI, 0.85-1.03) between the intervention group and placebo group. Postoperative pain feeling was more alleviated in patients with prophylactic application of regional nerve block. In addition, prophylactic application of regional nerve block could decrease the risk of postoperative in-hospital stay (risk rate = 0.28, 95% CI, 0.02-0.54). Our study demonstrated that, in elderly patients or pediatric patients undergoing cardiac surgery, prophylactic application of regional nerve block failed to decrease the incidence of postoperative delirium. However, the option of regional nerve block could decrease the duration of in-hospitalization stay and alleviate the acute pain during the postoperative period after open-heart surgery.
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Affiliation(s)
- Li Li
- Department of Critical Care Medicine, First People's Hospital of Xuzhou, Xuzhou Municipal Hospital Affiliated to Xuzhou Medical University, Affiliated Hospital of Mining and Technology of China University, Xuzhou, Jiangsu, China
| | - Min Liu
- Department of Thoracic Surgery, Xuzhou Central Hospital, Xuzhou, Jiangsu, China
| | - Songsong Li
- Department of Orthopedics, First People's Hospital of Xuzhou, Xuzhou Municipal Hospital Affiliated to Xuzhou Medical University, Affiliated Hospital of Mining and Technology of China University, Xuzhou, Jiangsu, China
| | - Jiahui Xu
- Department of Ophthalmology, First People's Hospital of Xuzhou, Xuzhou Municipal Hospital Affiliated to Xuzhou Medical University, Affiliated Hospital of Mining and Technology of China University, Xuzhou, Jiangsu, China
| | - Jun Zheng
- Department of Orthopedics, First People's Hospital of Xuzhou, Xuzhou Municipal Hospital Affiliated to Xuzhou Medical University, Affiliated Hospital of Mining and Technology of China University, Xuzhou, Jiangsu, China
| | - Chengwei Lv
- Department of Critical Care Medicine, First People's Hospital of Xuzhou, Xuzhou Municipal Hospital Affiliated to Xuzhou Medical University, Affiliated Hospital of Mining and Technology of China University, Xuzhou, Jiangsu, China
| | - Linlin Wu
- Department of Hemodialysis, First People's Hospital of Xuzhou, Xuzhou Municipal Hospital Affiliated to Xuzhou Medical University, Affiliated Hospital of Mining and Technology of China University, Xuzhou, Jiangsu, China
| | - Lei Heng
- Department of Anesthesiology, Xuzhou Cancer Hospital, Xuzhou City, Jiangsu Province, China
- Department of Anesthesiology, Xuzhou New Healthy Geriatric Hospital, Xuzhou City, Jiangsu Province, China; and
- Department of Anesthesiology, the Affiliated Xuzhou Hospital of JiangSu University, Xuzhou City, Jiangsu Province, China
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Gao Y, Bai X, Zhang H, Yang L, Wu T, Gan X. The risk factors for and the frequency and outcomes of subsyndromal delirium among patients who have undergone cardiac surgery: a protocol for systematic review and meta-analysis. BMJ Open 2023; 13:e070624. [PMID: 37968002 PMCID: PMC10660634 DOI: 10.1136/bmjopen-2022-070624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 10/19/2023] [Indexed: 11/17/2023] Open
Abstract
INTRODUCTION Several key symptoms must be present for the accurate diagnosis of patients with postoperative cardiac delirium. Some patients present with symptoms of delirium but do not meet the diagnostic criteria for delirium; such individuals are considered to have having subsyndromal delirium (SSD). SSD is associated with misdiagnosis and poor outcomes. However, to date, no systematic review (SR) has examined the frequency of, risk factors for, and outcomes of SSD among adults who have undergone cardiac surgery. METHODS AND ANALYSIS The aim of this SR is to identify those studies that have explored SSD after cardiac surgery. MeSH and free entry terms associated with "subsyndromal delirium" and "subclinical delirium" will be used to search for relevant studies. The PubMed, Web of Science, OVID, Cochrane Library, CINAHL, EMBASE, PsycINFO, China National Knowledge Infrastructure, Wanfang data, VIP database and SinoMed will be searched from inception to the date of retrieval without any restrictions. The primary outcomes will be the frequency of SSD, the risk factors for SSD, and the outcomes of SSD. Analyses will be performed using STATA V.16.0, and descriptive analyses will be performed if the data are not suitable for meta-analysis (ie, data with significant heterogeneity or from different comparisons). ETHICS AND DISSEMINATION The SR will examine the frequency of, risk factors for and outcomes of SSD in adults who have undergone cardiac surgery. The results will provide guidance for the identification of knowledge gaps in this field, and areas for further research will be highlighted. The review protocol will be submitted for publication in peer-reviewed journals for dissemination of the findings. Individual patient data will not be included in this protocol, so ethical approval will not be needed. PROSPERO REGISTRATION NUMBER CRD42022379211.
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Affiliation(s)
- Yan Gao
- Nursing Department, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xue Bai
- Nursing Department, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Huan Zhang
- Nursing Department, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Li Yang
- Nursing Department, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Taiqin Wu
- Nursing Department, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiuni Gan
- Nursing Department, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Baek W, Lee J, Jang Y, Kim J, Shin DA, Park H, Koo BN, Lee H. Assessment of Risk Factors for Postoperative Delirium in Older Adults Who Underwent Spinal Surgery and Identifying Associated Biomarkers Using Exosomal Protein. J Korean Acad Nurs 2023; 53:371-384. [PMID: 37673813 DOI: 10.4040/jkan.22146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 09/08/2023]
Abstract
PURPOSE With an increase in the aging population, the number of patients with degenerative spinal diseases undergoing surgery has risen, as has the incidence of postoperative delirium. This study aimed to investigate the risk factors affecting postoperative delirium in older adults who had undergone spine surgery and to identify the associated biomarkers. METHODS This study is a prospective study. Data of 100 patients aged ≥ 70 years who underwent spinal surgery were analyzed. Demographic data, medical history, clinical characteristics, cognitive function, depression symptoms, functional status, frailty, and nutritional status were investigated to identify the risk factors for delirium. The Confusion Assessment Method, Delirium Rating Scale-R-98, and Nursing Delirium Scale were also used for diagnosing delirium. To discover the biomarkers, urine extracellular vesicles (EVs) were analyzed for tau, ubiquitin carboxy-terminal hydrolase L1 (UCH-L1), neurofilament light, and glial fibrillary acidic protein using digital immunoassay technology. RESULTS Nine patients were excluded, and data obtained from the remaining 91 were analyzed. Among them, 18 (19.8%) developed delirium. Differences were observed between participants with and without delirium in the contexts of a history of mental disorder and use of benzodiazepines (p = .005 and p = .026, respectively). Tau and UCH-L1-concentrations of urine EVs-were comparatively higher in participants with severe delirium than that in participants without delirium (p = .002 and p = .001, respectively). CONCLUSION These findings can assist clinicians in accurately identifying the risk factors before surgery, classifying high-risk patients, and predicting and detecting delirium in older patients. Moreover, urine EV analysis revealed that postoperative delirium following spinal surgery is most likely associated with brain damage.
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Affiliation(s)
- Wonhee Baek
- Department of Nursing, Yonsei University Graduate School, Seoul, Korea
| | - JuHee Lee
- Mo-Im Kim Nursing Research Institute, College of Nursing, Yonsei University, Seoul, Korea
| | - Yeonsoo Jang
- Mo-Im Kim Nursing Research Institute, College of Nursing, Yonsei University, Seoul, Korea
| | - Jeongmin Kim
- Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Dong Ah Shin
- Department of Neurosurgery, Spine and Spinal Cord Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Hyunki Park
- Mo-Im Kim Nursing Research Institute, College of Nursing, Yonsei University, Seoul, Korea
| | - Bon-Nyeo Koo
- Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Hyangkyu Lee
- Mo-Im Kim Nursing Research Institute, College of Nursing, Yonsei University, Seoul, Korea.
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Guo Y, Ji H, Liu J, Wang Y, Liu J, Sun H, Fei Y, Wang C, Ma T, Han C. Development and Validation of a Delirium Risk Prediction Model for Elderly Patients Undergoing Elective Orthopedic Surgery. Neuropsychiatr Dis Treat 2023; 19:1641-1654. [PMID: 37497306 PMCID: PMC10368119 DOI: 10.2147/ndt.s416854] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 07/14/2023] [Indexed: 07/28/2023] Open
Abstract
Purpose This study aimed to develop and validate a post-operative delirium (POD) nomogram in a population of elderly patients undergoing elective orthopedic surgery. Patients and Methods A predictive model was developed based on a training dataset of 474 elderly patients undergoing elective orthopedic surgery from March 2021 to May 2022. POD was identified using the Confusion Assessment Methods (CAM). The least absolute shrinkage and selection operator (LASSO) method was used to screen risk factors, and prediction models were created by combining the outcomes with logistic regression analysis. We employ bootstrap validation for internal validation to examine the model's repeatability. The results were validated using a prospective study on 153 patients operated on from January 2022 to May 2022 at another institution. Results The predictors in the POD nomogram included age, the Mini-Mental State Examination(MMSE), sleep disorder, neurological disorders, preoperative serum creatinine (Pre-SCR), and ASA classification. The c-index of the model was 0.928 (95% confidence interval 0.898 ~ 0.957) and the bootstrap validation still achieved a high c-index of 0.912. The c-index of the external validation was 0.921. The calibration curve for the diagnostic probability showed good agreement between prediction by nomogram and actual observation. Conclusion By combining preoperative and intraoperative clinical risk factors, we created a POD risk nomogram to predict the probability of POD in elderly patients who undergo elective orthopedic surgery. It could be a tool for guiding individualized interventions.
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Affiliation(s)
- Yaxin Guo
- Department of Anesthesiology, the Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, People’s Republic of China
| | - Haiyan Ji
- Department of Anesthesiology, the Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, People’s Republic of China
| | - Junfeng Liu
- Department of Anesthesiology, the Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, People’s Republic of China
| | - Yong Wang
- Department of Anesthesiology, the Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, People’s Republic of China
| | - Jinming Liu
- Department of Anesthesiology, the Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, People’s Republic of China
| | - Hong Sun
- Department of Anesthesiology, the Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, People’s Republic of China
| | - Yuanhui Fei
- Department of Anesthesiology, the Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, People’s Republic of China
| | - Chunhui Wang
- Department of Anesthesiology, the Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, People’s Republic of China
| | - Tieliang Ma
- Central Laboratory, the Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, People’s Republic of China
| | - Chao Han
- Department of Anesthesiology, the Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, People’s Republic of China
- Yixing Clinical College, Medical College of Yangzhou University, Yixing, Jiangsu, 214200, People’s Republic of China
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Yao J, Shen Z, Jin H, Ma T, Wang J, Li S, Zeng M, Liu X, Peng Y. Dexmedetomidine after deep brain stimulation for prevention of delirium in elderly patients with Parkinson's disease: protocol for a single-centre, randomised, double-blind, placebo-controlled trial in China. BMJ Open 2023; 13:e070185. [PMID: 37433729 DOI: 10.1136/bmjopen-2022-070185] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/13/2023] Open
Abstract
INTRODUCTION Parkinson's disease is one of the most common neurodegenerative diseases. Deep brain stimulation (DBS) can improve motor symptoms in patients with middle and late Parkinson's disease, reduce the use of levodopa, and thus reduce drug-related side effects. Postoperative delirium can significantly reduce the short-term and long-term quality of life in elderly patients, which can be alleviated by dexmedetomidine (DEX). However, whether prophylactic DEX could reduce the incidence of postoperative delirium in patients with Parkinson's disease was still unknown. METHODS AND ANALYSIS This is a single-centre, randomised, double-blinded, placebo-controlled group trial. A total of 292 patients aged 60 years and above elected for DBS will be stratified according to DBS procedure, subthalamic nucleus or globus pallidus interna, then randomly allocated to the DEX group or the placebo control group with a 1:1 ratio, respectively. In the DEX group, patients will be injected with the DEX continuously with an electronic pump at a rate of 0.1 µg/kg/hour for 48 hours at the beginning of general anaesthesia induction. In the control group, normal saline will be administered at the same rate for patients as in the DEX group. The primary endpoint is the incidence of postoperative delirium within 5 days after surgery. Postoperative delirium is assessed by the combination of the Richmond Anxiety Scale and the Confusion Assessment Method (CAM) for the intensive care unit or the 3-minute diagnostic interview for CAM as applicable. The secondary endpoints include the incidence of adverse events and non-delirium complications, the length of stay in the intensive care unit and hospital and all-cause 30-day mortality after the operation. ETHICS AND DISSEMINATION The protocol has been approved by the Ethics Committee of Beijing Tiantan Hospital of Capital Medical University (KY2022-003-03). The results of this study will be disseminated through presentation at scientific conferences and publication in scientific journals. TRIAL REGISTRATION NUMBER NCT05197439.
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Affiliation(s)
- Jingxin Yao
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Zhongyuan Shen
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Hailong Jin
- Department of Anesthesiology, Beijing Daxing District People's Hospital, Capital Medical University, Beijing, China
| | - Tingting Ma
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jie Wang
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Shu Li
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Min Zeng
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xiaoyuan Liu
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yuming Peng
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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Liu T, Zhang X, Li A, Liu T, Yang X, Zhang H, Lei Y, Yang Q, Dong H. Effects of intra-operative administration of subanesthetic s-ketamine on emergence from sevoflurane anesthesia: a randomized double-blind placebo-controlled study. BMC Anesthesiol 2023; 23:221. [PMID: 37353750 PMCID: PMC10288804 DOI: 10.1186/s12871-023-02170-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 06/09/2023] [Indexed: 06/25/2023] Open
Abstract
BACKGROUND Ketamine is administered in the perioperative period for its benefits in analgesia, anti-agitation and anti-depression when administered at a small dose. However, it is not clear whether the intra-operative administration of ketamine would affect emergence under sevoflurane anesthesia. To investigate this effect, we designed this trial. METHODS In this randomized, double-blind, placebo-controlled study, we enrolled 44 female patients aged 18-60 who were scheduled to elective laparoscopic gynecological surgeries. All patients were randomly assigned to saline or s-ketamine group. In s-ketamine group, patients received 0.125 mg/kg s-ketamine 30 min after the start of surgery. In saline group, patients were administered the same volume of saline. Sevoflurane and remifentanil were used to maintain general anesthesia. The primary outcome was emergence time. We also assessed postoperative agitation, cognitive function, and delirium. In addition, we collected and analyzed prefrontal electroencephalogram (EEG) during and after general anesthesia. RESULTS There were no significant differences in emergence time between s-ketamine group and saline group (10.80 ± 3.77 min vs. 10.00 ± 2.78 min, P = 0.457). Neither postoperative agitation (4 [3, 4] vs. 4 [3, 4], P = 0.835) nor cognitive function (25.84 ± 2.69 vs. 25.55 ± 2.19, P = 0.412) differed between groups. No postoperative delirium was observed in either group. Subanesthetic s-ketamine resulted in active EEG with decreased power of slow (-0.35 ± 1.13 dB vs. -1.63 ± 1.03 dB, P = 0.003), delta (-0.22 ± 1.11 dB vs. -1.32 ± 1.09 dB, P = 0.011) and alpha (-0.31 ± 0.71 dB vs. -1.71 ± 1.34 dB, P = 0.0003) waves and increased power of beta-gamma bands (-0.30 ± 0.89 dB vs. 4.20 ± 2.08 dB, P < 0.0001) during sevoflurane anesthesia, as well as an increased alpha peak frequency (-0.16 ± 0.48 Hz vs. 0.31 ± 0.73 Hz, P = 0.026). EEG patterns did not differ during the recovery period after emergence between groups. CONCLUSION Ketamine administered during sevoflurane anesthesia had no apparent influence on emergence time in young and middle-aged female patients undergoing laparoscopic surgery. Subanesthetic s-ketamine induced an active prefrontal EEG pattern during sevoflurane anesthesia but did not raise neurological side effects after surgery. TRIAL REGISTRATION Chinese Clinical Trial Registry, ChiCTR2100046479 (date: 16/05/2021).
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Affiliation(s)
- Tiantian Liu
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Xinxin Zhang
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Ao Li
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Tingting Liu
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Xue Yang
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Huanhuan Zhang
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Yanling Lei
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Qianzi Yang
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China.
- Department of Anesthesiology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 197 Ruijin Er Road, Shanghai, 200025, China.
| | - Hailong Dong
- Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China.
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Wu X, Zhang N, Zhou B, Liu S, Wang F, Wang J, Tang X, Lin X, Wang B, Bi Y. Alcohol consumption may be associated with postoperative delirium in the elderly: the PNDABLE study. BMC Anesthesiol 2023; 23:222. [PMID: 37353780 PMCID: PMC10290379 DOI: 10.1186/s12871-023-02178-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 06/13/2023] [Indexed: 06/25/2023] Open
Abstract
OBJECTIVES This study aimed to reveal the relationship between alcohol consumption and Postoperative delirium (POD) in the elderly. METHODS We selected 252 patients from the Perioperative Neurocognitive Disorder And Biomarker Lifestyle (PNDABLE ) study. Patients in the PNDABLE database have been measured for Alzheimer-related biomarkers in CSF (Aβ40, Aβ42, P-tau, and tau protein). Mini-Mental State Examination (MMSE) was used to assess the preoperative mental status of patients. POD was diagnosed using the Confusion Assessment Method (CAM) and assessed for severity using the Memorial Delirium Assessment Scale (MDAS). Logistic regression analysis was utilized to explore the association of alcohol consumption with POD. Linear regression analysis was used to study the relationship between alcohol consumption and CSF biomarkers. Mediation analyses with 10,000 bootstrapped iterations were used to explore the mediation effects. Finally, we constructed the receiver operating characteristic (ROC) curve and the nomogram model to evaluate the efficacy of alcohol consumption and CSF biomarkers in predicting POD. RESULT: The incidence of POD was 17.5%. Logistic regression showed that alcohol consumption (OR = 1.016, 95%CI 1.009-1.024, P < 0.001) is a risk factor for POD. What's more, Aβ42 is a protective factor for POD (OR = 0.993, 95%CI 0.989-0.997, P < 0.05), and P-Tau was a risk factor for POD (OR = 1.093, 95%CI 1.022-1.168, P < 0.05). Linear regression analysis revealed that alcohol consumption was negatively associated with CSF Aβ42 (β = -0.638, P < 0.001) in POD patients. Mediation analyses showed that alcohol consumption is likely to partially mediate POD through Aβ42 (proportion:14.21%). ROC curve showed that alcohol consumption (AUC = 0.904; P < 0.001) exhibited a relatively better discriminatory ability in POD prediction compared to Aβ42 (AUC = 0.798; P < 0.001). The calibration curve indicated a good nomogram prediction (P = 0.797). CONCLUSION Alcohol consumption is a risk factor for POD (particularly for those with > 24 g a day on average) in the elderly, and contributes to POD through the mediation of Aβ42.
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Affiliation(s)
- Xiaoyue Wu
- Department of Anesthesiology, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), 5, Dong-Hai Middle Road, Shi-Nan District, 266000, Qingdao, China
| | - Ning Zhang
- Department of Anesthesiology, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), 5, Dong-Hai Middle Road, Shi-Nan District, 266000, Qingdao, China
| | - Bin Zhou
- Department of Anesthesiology, Qingdao Eighth People's Hospital, Qingdao, China
| | - Siyu Liu
- Department of Anesthesiology, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), 5, Dong-Hai Middle Road, Shi-Nan District, 266000, Qingdao, China
| | - Fei Wang
- Department of Anesthesiology, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), 5, Dong-Hai Middle Road, Shi-Nan District, 266000, Qingdao, China
| | - Jiahan Wang
- Department of Anesthesiology, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), 5, Dong-Hai Middle Road, Shi-Nan District, 266000, Qingdao, China
| | - Xinhui Tang
- Department of Anesthesiology, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), 5, Dong-Hai Middle Road, Shi-Nan District, 266000, Qingdao, China
| | - Xu Lin
- Department of Anesthesiology, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), 5, Dong-Hai Middle Road, Shi-Nan District, 266000, Qingdao, China.
| | - Bin Wang
- Department of Anesthesiology, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), 5, Dong-Hai Middle Road, Shi-Nan District, 266000, Qingdao, China.
| | - Yanlin Bi
- Department of Anesthesiology, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), 5, Dong-Hai Middle Road, Shi-Nan District, 266000, Qingdao, China.
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Welsch E, Vashisht A, Stutzman SE, Olson DM. Family Presence May Reduce Postoperative Delirium After Spinal Surgery. J Neurosci Nurs 2023; 55:97-102. [PMID: 37094374 DOI: 10.1097/jnn.0000000000000704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
ABSTRACT BACKGROUND: Delirium is associated with worse outcomes, but there is a gap in literature identifying nurse-led interventions to reduce delirium in postoperative (postop) surgical spine patients. Because family presence has been associated with a variety of beneficial effects, we aimed to examine whether family presence in the spine intensive care unit (ICU) during the night after surgery was associated with less confusion or delirium on postop day 1. METHODS: This is a prospective nonrandomized pilot clinical trial with pragmatic sampling. Group designation was assigned by natural history. The family-present group was designated as patients for whom a family member remained present during the first night after surgery. The unaccompanied group was designated as patients who did not have a family member stay the night. Data include the Richmond Agitation Sedation Scale, the Confusion Assessment Method for the ICU, the 4AT (Alertness, Attention, Abbreviated mental test, and Acute change) score, and confusion measured with the orientation item on the Glasgow Coma Scale. Baseline data were collected after admission to the spine ICU and compared with the same data collected in the morning of postop day 1. RESULTS: At baseline, 5 of 16 patients in the family-present group (31.3%) had at least 1 incidence of delirium or confusion. Similarly, 6 of 14 patients in the unaccompanied group (42.9%) had at least 1 incidence of delirium or confusion. There was a clinically relevant, but not statistically significant, reduction in postop day 1 delirium or confusion comparing the family-present (6.3%) and unaccompanied (21.4%) groups ( P = .23). CONCLUSION: Family presence may reduce delirium and confusion for patients after spine surgery. The results support continued research into examining nurse-led interventions to reduce delirium and improve outcomes for this population.
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Lee DH, Chang CH, Chang CW, Chen YC, Tai TW. Postoperative Delirium in Patients Receiving Hip Bipolar Hemiarthroplasty for Displaced Femoral Neck Fractures: The Risk Factors and Further Clinical Outcomes. J Arthroplasty 2023; 38:737-742. [PMID: 36273712 DOI: 10.1016/j.arth.2022.10.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Postoperative delirium in patients who have hip fractures may lead to poor outcomes. This study aimed to determine perioperative risk factors and clinical outcomes of postoperative delirium in patients undergoing hip bipolar hemiarthroplasty for displaced femoral neck fractures. METHODS Among 1,353 patients who underwent hemiarthroplasty at our institution during 2013-2021, we identified 78 patients with postoperative delirium diagnosed with the confusion assessment method. The mean delirium duration was 28 hours (range: 15-520). We also included 1:2 sex- and age-matched patients who did not have postoperative delirium after the same surgery as a matching cohort for comparison. Patient comorbidities, perioperative data, delirium occurrence, and outcomes were collected for analyses. RESULTS A Charlson Comorbidity Index (CCI) score ≥6 (odds ratio (OR): 2.08, P = .017), nighttime surgery (OR: 3.47, p =<.001), surgical delays (OR: 1.01, P = .012), preoperative anemia (OR: 2.1, P = .012), and blood transfusions (OR: 2.47, P = .01) may increase the risk of postoperative delirium. The presentation of delirium was associated with sepsis (OR: 3.77, P = .04), longer hospital stays (P < .001), higher 1-year mortality (OR: 3.97, P = .002), and overall mortality (OR: 2.1, P = .02). CONCLUSION Postoperative delirium predicted poor outcomes. Our results emphasized the importance of early identification of patients at risk and optimization of the medical conditions before and after surgery.
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Affiliation(s)
- Deng Horng Lee
- Departments of Orthopedics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chih-Hsun Chang
- Departments of Orthopedics, National Cheng Kung University Hospital Dou-Liou Branch, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chih-Wei Chang
- Departments of Orthopedics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yi-Chen Chen
- Departments of Nursing, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ta-Wei Tai
- Departments of Orthopedics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Skeleton Materials and Bio-compatibility Core Lab, Research Center of Clinical Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Kim SY, Jo HY, Na HS, Han SH, Do SH, Shin HJ. The Effect of Peripheral Nerve Block on Postoperative Delirium in Older Adults Undergoing Hip Surgery: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. J Clin Med 2023; 12:jcm12072459. [PMID: 37048543 PMCID: PMC10095174 DOI: 10.3390/jcm12072459] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/20/2023] [Accepted: 03/20/2023] [Indexed: 04/14/2023] Open
Abstract
This meta-analysis aimed to determine whether peripheral nerve blocks (PNB) reduce postoperative delirium (POD) in elderly patients undergoing hip surgery. This study was registered in the International Prospective Register of Systematic Reviews (PROSPERO; CRD42022328320). The PubMed, EMBASE, Web of Science, and Cochrane Library databases were searched for randomized controlled trials (RCTs) on 26 April 2022. A total of 19 RCTs with 1977 participants were included. Perioperative PNB lowered the POD incidence on the third postoperative day (OR: 0.59, 95% CI [0.40 to 0.87], p = 0.007, I2 = 35%), in patients without underlying cognitive impairment (OR: 0.47, 95% CI [0.30 to 0.74], p = 0.001, I2 = 30%), and when a fascia iliaca compartment block (OR: 0.58, 95% CI [0.37 to 0.91], p = 0.02, I2 = 0%) or a femoral nerve block (OR: 0.33, 95% CI [0.11 to 0.99], p = 0.05, I2 = 66%) were performed. The pain score was also reduced (SMD: -0.83, 95% CI [-1.36 to -0.30], p = 0.002, I2 = 95%) after PNB. Perioperative PNB can lower the POD incidence and pain scores up to the third postoperative day. However, considering the wide variety of PNBs performed, more trials are needed to identify the effects of each PNB on POD.
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Affiliation(s)
- Su Yeon Kim
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea
| | - Ha Young Jo
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea
| | - Hyo-Seok Na
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea
| | - Sung-Hee Han
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea
| | - Sang-Hwan Do
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea
| | - Hyun-Jung Shin
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea
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Horacek J, Janda R, Görnerova N, Jajcay L, Andrashko V. Several reasons why ketamine as a neuroplastic agent may have failed to prevent postoperative delirium: Implications for future protocols. Neurosci Lett 2023; 798:137095. [PMID: 36693556 DOI: 10.1016/j.neulet.2023.137095] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 12/14/2021] [Accepted: 01/19/2023] [Indexed: 01/22/2023]
Abstract
Ketamine exerts anti-inflammatory, neuroprotective and neuroplastic activity, therefore it may counteract the neurotoxic processes underlying postoperative delirium. However, the majority of studies in this field failed. We identified several pharmacological reasons why these studies may have failed, together with suggestions of how to remediate them. Among them, the interaction with intravenous general anesthetics exerting the opposite effect on GABA interneurons than ketamine may be of principal importance. We suggest biomarkers which may elucidate the influence of this interaction on the different steps of neuroplastic pathways. We hypothesize that administering ketamine before or after general anesthesia could both prevent the interactions and strengthen the effect of ketamine by timing surgery within the climax of ketamine-induced neuroplastic changes or by stabilizing AMPA receptors. It is vital to deal with these questions because the protocols of ongoing studies are based again on the administration of ketamine during general anesthesia (the major identified pitfall).
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Affiliation(s)
- Jiri Horacek
- National Institute of Mental Health, Klecany, Czech Republic; Third Faculty of Medicine, Charles University, Prague, Czech Republic.
| | - Robert Janda
- Intensive Care Unit, Karlovy Vary Regional Hospital, K. Vary, Czech Republic
| | - Natalie Görnerova
- National Institute of Mental Health, Klecany, Czech Republic; Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Lucia Jajcay
- National Institute of Mental Health, Klecany, Czech Republic; Faculty of Electrical Engineering, Czech Technical University in Prague, Prague, Czech Republic
| | - Veronika Andrashko
- National Institute of Mental Health, Klecany, Czech Republic; Third Faculty of Medicine, Charles University, Prague, Czech Republic
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Shin HJ, Park JI, Lee S, Hwang JW, Na HS. Intraoperative 5-HT 3 receptor antagonists decrease the prevalence of postoperative delirium in older adults undergoing hip fracture surgery: a single-center retrospective study. J Anesth 2023; 37:379-386. [PMID: 36745237 DOI: 10.1007/s00540-023-03169-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 01/27/2023] [Indexed: 02/07/2023]
Abstract
PURPOSE Postoperative delirium (POD) occurs commonly in older adults, resulting in unfavorable outcomes. Several recent clinical studies have suggested that 5-hydroxytryptamine 3 (5-HT3) receptor antagonists can treat and prevent POD. In this retrospective study, the association between 5-HT3 receptor antagonists and POD was investigated in older adults who underwent hip fracture surgery. METHODS The electronic medical records of older adults aged ≥ 65 years who underwent hip fracture surgery between January 2011 and June 2018 were reviewed retrospectively. Multivariable logistic regression analysis was used to investigate the association between 5-HT3 receptor antagonists and the occurrence of POD. In addition to the incidence of POD, anesthesia-, surgery-, and patient-related factors related to POD were evaluated. RESULTS Of the 1025 patients included, 813 (79.3%) were administered 5-HT3 receptor antagonists intraoperatively; 471 (45.9%) were administered ramosetron, and 342 (33.4%) were administered palonosetron. POD was identified in 242 patients (23.6%). Ramosetron and palonosetron reduced the POD incidence by 53% (odds ratio [OR] 0.47; 95% confidence interval [CI] 0.32‒0.71; P < 0.001) and 41% (OR 0.59; 95% CI 0.39‒0.89; P = 0.011), respectively. Additionally, age, American Society of Anesthesiologists physical status class 4, and male were confirmed as risk factors for POD. CONCLUSION Intraoperative 5-HT3 receptor antagonists may be associated with a reduced risk of POD and can be considered one of the preventive strategies for POD in older adults undergoing hip fracture surgery.
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Affiliation(s)
- Hyun-Jung Shin
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, 13620, Republic of Korea.,Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Ji In Park
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, 13620, Republic of Korea
| | - Sohyun Lee
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, 13620, Republic of Korea
| | - Jung-Won Hwang
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, 13620, Republic of Korea.,Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyo-Seok Na
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, 13620, Republic of Korea. .,Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.
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Kim HJ, Lee S, Kim SH, Lee S, Sim JH, Ro YJ. Association of C-reactive protein to albumin ratio with postoperative delirium and mortality in elderly patients undergoing hip fracture surgery: A retrospective cohort study in a single large center. Exp Gerontol 2023; 172:112068. [PMID: 36549547 DOI: 10.1016/j.exger.2022.112068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/05/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022]
Abstract
BACKGROUND Postoperative delirium is a common complication in elderly patients who have undergone hip fracture surgery. Since postoperative delirium is associated with poor outcomes and the treatment is very complicated, identifying the patients at high risk for delirium and providing more attentive care to prevent postoperative delirium is essential. In this study, we aimed to assess the association of an elevated C-reactive protein (CRP)/albumin ratio with the increased incidence of postoperative delirium in elderly people who had undergone hip fracture surgery. METHODS A total of 629 patients who underwent hip fracture surgery between January 2014 and December 2018 were retrospectively analyzed. Patients were classified into two groups according to preoperative CRP/albumin cut-off levels (<1.5 and ≥1.5). We performed a propensity score matching analysis to compare the incidence of postoperative delirium and overall mortality between the two groups. Multivariate logistic regression and Cox regression analyses were performed to examine the association of the preoperative CRP/albumin ratio with postoperative delirium and overall mortality. RESULTS There were significant differences in the incidence of postoperative delirium (18.0 % vs. 35.8 %, P < 0.001) and overall mortality (26.7 % vs. 46.9 %, P < 0.001) between the groups before matching. We also observed significant differences in the incidence of postoperative delirium (20.7 % vs. 32.7 %, P = 0.019) and overall mortality (34.7 % vs. 46.0 %, P = 0.046) between the groups after matching. A high CRP/albumin ratio (≥1.5) was significantly associated with a higher incidence of postoperative delirium (adjusted odds ratio [OR]: 2.11, 95 % confidence interval [CI]: 1.40-3.18, P < 0.001) and a higher rate of overall mortality (adjusted hazard ratio [HR]: 1.44, 95 % CI: 1.07-1.93, P = 0.015). CONCLUSION Preoperative CRP/albumin ratio might be an independent risk factor of postoperative delirium and surgical prognosis in elderly patients undergoing hip fracture surgery.
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Affiliation(s)
- Ha-Jung Kim
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sooho Lee
- Department of Anesthesiology and Pain Medicine, Catholic Kwandong University, College of Medicine, International St. Mary's hospital, Incheon, South Korea
| | - Sung-Hoon Kim
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sangho Lee
- Department of Anesthesiology and Pain Medicine, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul, Republic of Korea
| | - Ji-Hoon Sim
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
| | - Young-Jin Ro
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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Huang KY, Liang S, Chen L, Xu YY, Grellet A. Transcutaneous electrical acupoint stimulation for the prevention of postoperative delirium in elderly surgical patients: A systematic review and meta-analysis. Front Aging Neurosci 2023; 15:1046754. [PMID: 36798530 PMCID: PMC9928205 DOI: 10.3389/fnagi.2023.1046754] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 01/10/2023] [Indexed: 02/01/2023] Open
Abstract
Objective This systematic review and meta-analysis aimed to evaluate the preventive effect of transcutaneous electrical acupoint stimulation on postoperative delirium in elderly surgical patients. Methods PubMed, CENTRAL, China National Knowledge Infrastructure, and WanFang databases were searched for randomized controlled trials regarding the effect of transcutaneous electrical acupoint stimulation on preventing postoperative delirium in elderly patients undergoing any type of surgery. The primary outcome was the incidence of postoperative delirium. The secondary outcome was the duration of postoperative delirium. All analyses were conducted using RevMan 5.3 and Stata 13.0 software. Results Twelve trials with 991 participants were included, and most of them were at high/unclear risk of bias. Meta-analysis showed transcutaneous electrical acupoint stimulation could reduce the incidence of postoperative delirium (RR = 0.40, 95%CI = 0.29 to 0.55, p < 0.00001) and shorten the duration of postoperative delirium (MD = -0.97 days, 95%CI = -1.72 to -0.22, p = 0.01). Subgroup analyses demonstrated that transcutaneous electrical acupoint stimulation reduced the incidence of postoperative delirium in elderly patients undergoing orthopedic surgery and thoracic surgery, but not digestive surgery; transcutaneous electrical acupoint stimulation with dilatational wave and with continuous wave were both beneficial; and transcutaneous electrical acupoint stimulation was favored when compared to blank and sham control. Conclusion Transcutaneous electrical acupoint stimulation could reduce the incidence of postoperative delirium and shorten the duration of postoperative delirium in elderly surgical patients. The findings should be interpreted with caution due to weak evidence. High-quality, large sample, and multi-center trials are needed to further confirm the preliminary findings.Systematic review registration: https://inplasy.com/inplasy-2022-7-0096/, identifier: INPLASY202270096.
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Affiliation(s)
- Kai-Yu Huang
- Department of Acupuncture, Ningbo Hospital of Traditional Chinese Medicine, Affiliated Hospital of Zhejiang Chinese Medical University, Ningbo, China
| | - Shuang Liang
- Department of Acupuncture, Ningbo Hospital of Traditional Chinese Medicine, Affiliated Hospital of Zhejiang Chinese Medical University, Ningbo, China,*Correspondence: Shuang Liang, ✉
| | - Lei Chen
- Department of Acupuncture, Ningbo Hospital of Traditional Chinese Medicine, Affiliated Hospital of Zhejiang Chinese Medical University, Ningbo, China
| | - Yong-Yi Xu
- Department of Acupuncture, Ningbo Hospital of Traditional Chinese Medicine, Affiliated Hospital of Zhejiang Chinese Medical University, Ningbo, China
| | - Antoine Grellet
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
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Liu J, Li J, Gao D, Wang J, Liu M, Yu D. High ASA Physical Status and Low Serum Uric Acid to Creatinine Ratio are Independent Risk Factors for Postoperative Delirium Among Older Adults Undergoing Urinary Calculi Surgery. Clin Interv Aging 2023; 18:81-92. [PMID: 36700165 PMCID: PMC9869895 DOI: 10.2147/cia.s395893] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 01/10/2023] [Indexed: 01/21/2023] Open
Abstract
Purpose This study was to investigate the incidence and potential predictive factors for postoperative delirium (POD) in older people following urinary calculi surgery, and to establish the corresponding risk stratification score by the significant factors to predict the risk of POD. Patients and Methods We retrospectively analyzed the perioperative data of 195 patients aged 65 or older who underwent elective urinary calculi surgery between September 2020 and September 2022. POD was defined by chart-based method, and the serum uric acid to creatinine (SUA/Cr) ratio as well as neutrophil-to-lymphocyte ratio (NLR) were calculated, respectively. Identification of the risk factors for POD was performed by univariate and multivariate logistic regression analysis. Moreover, the risk stratification score was developed based on the regression coefficients of the associated variables. Results In 195 eligible patients following urinary calculi surgery, the median age was 69 (66-72) and 19 patients ultimately developed POD (9.7%). The results by univariate analysis showed that patients with advanced age, high American Society of Anesthesiologists (ASA) physical status (≥3) and low SUA/Cr ratio (≤3.3) were more likely to develop POD, but dexmedetomidine can significantly decrease the risk of the occurrence of POD. The multivariate analysis further indicated that high ASA physical status (≥3) and low SUA/Cr ratio (≤3.3) were independently associated with POD, and the POD incidence could obviously be elevated with the increase of risk stratification score. Moreover, patients with delirium had longer hospital stays. Conclusion POD is frequent in geriatric patients following urinary calculi surgery (9.7%). The high ASA physical status (≥3) and low SUA/Cr ratio (≤3.3) were effective predictors of POD. The corresponding risk stratification based on these factors could be beneficial to determining patients who are susceptible to POD, and thus better preventing and reducing the occurrence of POD. However, large prospective studies are needed to confirm this finding.
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Affiliation(s)
- Jing Liu
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang City, People’s Republic of China,Graduate Faculty, Hebei North University, Zhangjiakou City, People’s Republic of China
| | - Jianli Li
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang City, People’s Republic of China,Correspondence: Jianli Li, Department of Anesthesiology, Hebei General Hospital, Shijiazhuang city, Hebei Province, 050051, People’s Republic of China, Tel +81 85988447, Email
| | - Dongyan Gao
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang City, People’s Republic of China
| | - Jing Wang
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang City, People’s Republic of China
| | - Meinv Liu
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang City, People’s Republic of China
| | - Dongdong Yu
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang City, People’s Republic of China
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OuYang CL, Hao XY, Yu Y, Lou JS, Cao JB, Yu YQ, Mi WD. Intraoperative allogeneic transfusion is associated with postoperative delirium in older patients after total knee and hip arthroplasty. Front Surg 2023; 9:1048197. [PMID: 36684187 PMCID: PMC9849749 DOI: 10.3389/fsurg.2022.1048197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 11/28/2022] [Indexed: 01/07/2023] Open
Abstract
Objective To determine whether intraoperative transfusion of allogeneic or autologous blood is associated with an increased incidence of postoperative delirium (POD) after total knee arthroplasty (TKA) and total hip arthroplasty (THA). Methods The medical records of 1,143 older (≥65 years old) patients who received an intraoperative blood transfusion while undergoing total knee or hip arthroplasty at the First Medical Center of Chinese PLA General Hospital from 2014 to 2019 were reviewed; of these patients, 742 (64.92%) received allogeneic blood, while 401 (35.08%) received autologous blood. Patients who received autologous transfusion were paired with those received allogeneic transfusion using 1:1 propensity score matching method. The primary outcome was POD. The secondary outcomes were postoperative complications, including heart failure, deep vein thrombosis, myocardial infarction, stroke, and lung infection. Multivariable nominal logistic regression was used to identify any independent associations between intraoperative blood transfusions and POD, and secondary postoperative complications, respectively. Results Postoperative delirium occurred in 6.6% (49/742) of patients who had received an allogeneic blood transfusion and in 2.0% (8/401) of patients who had received an autologous blood transfusion. It is noteworthy that the multivariable logistic regression demonstrated a significant association between intraoperative allogeneic blood transfusion and POD (odds ratio [OR]: 4.11; 95% confidence interval [CI]: 1.95-9.77; p < 0.001). After PSM, Allogeneic transfusion was also the strongest predictor for POD (OR: 4.43; 95% CI: 2.09-10.58; p < 0.001). Conclusions In the patients who had received THA or TKA, intraoperative allogeneic blood transfusions were associated with an increased risk of POD.
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Affiliation(s)
- Chun-lei OuYang
- Department of Anesthesiology, The First Medical Center of PLA General Hospital, Beijing, China,Medical School of Chinese PLA, Beijing, China
| | - Xin-yu Hao
- Department of Anesthesiology, The First Medical Center of PLA General Hospital, Beijing, China,Medical School of Chinese PLA, Beijing, China
| | - Yao Yu
- Department of Anesthesiology, The First Medical Center of PLA General Hospital, Beijing, China
| | - Jing-sheng Lou
- Department of Anesthesiology, The First Medical Center of PLA General Hospital, Beijing, China
| | - Jiang-bei Cao
- Department of Anesthesiology, The First Medical Center of PLA General Hospital, Beijing, China
| | - Ying-qun Yu
- Department of Anesthesiology, The Fifth Medical Center of PLA General Hospital, Beijing, China,Correspondence: Wei-dong Mi Ying-qun Yu
| | - Wei-dong Mi
- Department of Anesthesiology, The First Medical Center of PLA General Hospital, Beijing, China,Correspondence: Wei-dong Mi Ying-qun Yu
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Havel E. Perioperative care about a patient with multimorbidity. VNITRNI LEKARSTVI 2023; 69:148-155. [PMID: 37468309 DOI: 10.36290/vnl.2023.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
The assumption of accelerated postoperative recovery according to the ERAS (Enhanced Recovery After Surgery) method is good condition of the patient prepared for surgery and gently operated on. Application of ERAS in postoperative care in the situation of patient with multimorbidity requires an individual approach and greater pre-operative preparation. During the healing process, the operation causes a systemic inflammatory reaction in the body, which is proportional to the size of the surgery trauma. There is fluid movement between the intravascular and interstitial spaces, increased protein catabolism, increased susceptibility to infectious complications and increased risk of decompensation of chronic diseases. The mandatory content of the pre-operative examination is a functional cardiopulmonary reserves assessment, nutritional risk screening, update of diagnostic summary and optimization of chronic medication before surgery. Prehabilitation and nutritional preparation before the planned operation is influenced by the time urgency of the operation, but even in the case of cancer, short-term nutritional preparation is indicated., Medical workplaces are the most suitable for parenteral and enteral pre-operative nutrition however some surgical departments perform the preparation themselves if necessary. The GDT (Goal Directed Therapy) regimen with a higher degree of hemodynamic monitoring and intervention is applied in the postoperative care of hemodynamic unstable risk patients. Next to decompensation of a chronic disease is mainly heart rhythm disorders (most often atrial fibrillation), cardiac complications including coronary event, stroke, acute delirium.
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Ji S, Li Z, Li M, Lu Y, Ma T, Qi H, Cui Y, Du B, Huang Q, Zhang K, Lin H, Yang Y. Relationship between neutrophil/lymphocyte ratio and postoperative delirium in elderly patients with proximal femoral nail anti-rotation for intertrochanteric fractures. Am J Transl Res 2023; 15:1367-1373. [PMID: 36915754 PMCID: PMC10006771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 01/11/2023] [Indexed: 03/16/2023]
Abstract
OBJECTIVE Delirium is a common postoperative complication in elderly patients with intertrochanteric femur fracture. This study aimed at analyzing risk factors for postoperative delirium (POD) in patients after proximal femoral nail anti-rotation (PFNA). METHODS From February 2017 to February 2021, we included elderly patients with intertrochanteric fractures who underwent PFNA. The predictive ability and cut-off value of neutrophil/lymphocyte ratio (NLR) for POD were evaluated using receiver operating characteristic (ROC) curve. Univariate and multivariate analyses were used to investigate the association between NLR and POD. RESULTS We enrolled 315 patients. The ROC curve suggested that NLR ≥ 4.85 was the optimal cut-off value for POD. The POD and non-POD groups differed significantly in age, diabetes, time from injury to operation, preoperative albumin level, neutrophil count, and NLR (P < 0.05). Logistic regression indicated that NLR ≥ 4.85 (odds ratio [OR] = 3.491; 95% confidence interval [CI]: 1.731-5.982; P < 0.001), old age (OR = 1.921; 95% CI: 1.267-4.125; P < 0.001), time from injury to operation ≥ 48 h (OR = 1.733; 95% CI: 1.212-3.542; P = 0.007), and preoperative albumin level ≤ 35 g/L (OR = 2.274; 95% CI: 1.662-4.846; P = 0.001) increased the risk of POD. CONCLUSION Old age, time from injury to operation ≥ 48 h, preoperative albumin level ≤ 35 g/L, and NLR ≥ 4.85 were independent risk factors for POD. Thus, NLR may predict POD in elderly patients with intertrochanteric femur fractures after PFNA.
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Affiliation(s)
- Shuai Ji
- Department of Orthopaedic Surgery, Honghui Hospital, Xi'an Jiaotong University Xi'an 710054, Shaanxi, China
| | - Zhong Li
- Department of Orthopaedic Surgery, Honghui Hospital, Xi'an Jiaotong University Xi'an 710054, Shaanxi, China
| | - Ming Li
- Department of Orthopaedic Surgery, Honghui Hospital, Xi'an Jiaotong University Xi'an 710054, Shaanxi, China
| | - Yao Lu
- Department of Orthopaedic Surgery, Honghui Hospital, Xi'an Jiaotong University Xi'an 710054, Shaanxi, China
| | - Teng Ma
- Department of Orthopaedic Surgery, Honghui Hospital, Xi'an Jiaotong University Xi'an 710054, Shaanxi, China
| | - Hongfei Qi
- Department of Orthopaedic Surgery, Honghui Hospital, Xi'an Jiaotong University Xi'an 710054, Shaanxi, China
| | - Yu Cui
- Department of Orthopaedic Surgery, Honghui Hospital, Xi'an Jiaotong University Xi'an 710054, Shaanxi, China
| | - Bing Du
- Department of Orthopaedic Surgery, Honghui Hospital, Xi'an Jiaotong University Xi'an 710054, Shaanxi, China
| | - Qiang Huang
- Department of Orthopaedic Surgery, Honghui Hospital, Xi'an Jiaotong University Xi'an 710054, Shaanxi, China
| | - Kun Zhang
- Department of Orthopaedic Surgery, Honghui Hospital, Xi'an Jiaotong University Xi'an 710054, Shaanxi, China
| | - Hua Lin
- Department of Orthopaedic Surgery, Honghui Hospital, Xi'an Jiaotong University Xi'an 710054, Shaanxi, China
| | - Yanling Yang
- Medical College of Yan'an University Yan'an 716000, Shaanxi, China
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Ferré F, Piel-Julian ML, Tincres F, Ba C, Menut R, Ferrier A, Bosch L, Martin C, Labaste F, Montastruc F, Sommet A, Balardy L, Minville V. A High Postoperative Atropinic Burden is Associated with Postoperative Delirium in Elderly Patients with Hip Fracture: Results of the Prospective, Observational, ATROPAGE Trial. Clin Interv Aging 2022; 17:1931-1938. [PMID: 36605703 PMCID: PMC9809176 DOI: 10.2147/cia.s372400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 11/06/2022] [Indexed: 12/31/2022] Open
Abstract
Background Postoperative delirium frequently occurs in the elderly after hip fracture surgery and is associated with poor outcomes. Our aim was to identify a correlation between the atropinic burden (AB) due to drugs with clinical antimuscarinic effect and the occurrence of postoperative delirium. Methods We carried out a prospective, monocentric, observational study including 67 patients over 65 years of age who underwent hip fracture surgery. The addition of the anticholinergic weight of each drug was calculated at different time points to distinguish the prehospital, intra- and postoperative part of the AB. A multivariate analysis was carried out to identify the explanatory variables associated with postoperative delirium. Results Patients were 78 [71-86] years old. The time from admission to surgery was 12 [12-24] hours. The ADL and CIRS scores were 6 [5.5-6] and 6 [4-9], respectively. The total (prehospital plus intraoperative plus postoperative) AB was 5 [3-9]. The incidence of postoperative delirium was 54% (36/67). The demographic characteristics were comparable between delirium and no delirium groups. Univariate analysis showed statistically significant differences between no delirium and delirium groups concerning the number of prehospital atropinic drugs, prehospital AB, the number of postoperative atropinic drugs, postoperative AB, in-hospital AB and the MMSE calculated on postoperative day 5. Using multivariate analysis, postoperative AB, but not pre- and in-hospital ABs, was associated with postoperative delirium with an odds ratio of 1.84 (95% CI: 1.25-2.72; p = 0.002). A postoperative AB > 2 was associated with a postoperative delirium with an area under ROC curve of 0.73 (95% CI: 0.61-0.83; p = 0.0001). Conclusion Contrary to a prior exposure to atropinic drugs, a postoperative atropinic burden >2 was associated with postoperative delirium in elderly patients with hip fracture. Postoperative administration of (new) antimuscarinic drugs is a precipitating factor of delirium that could be avoided.
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Affiliation(s)
- Fabrice Ferré
- Département d’Anesthésie-Réanimation et de Médecine Péri Opératoire, Centre Hospitalo-universitaire (CHU) de Toulouse, Toulouse, France,Correspondence: Fabrice Ferré, Hôpital Pierre-Paul Riquet, CHU Purpan, place du Dr Baylac, Toulouse, 31059, France, Tel +33 5 61 77 99 88, Email
| | - Marie-Léa Piel-Julian
- Service d’Oncogériatrie, Centre Hospitalo-universitaire (CHU) de Toulouse, Institut Universitaire du Cancer de Toulouse-Oncopole (IUCT-O), Toulouse, France
| | - Francis Tincres
- Département d’Anesthésie-Réanimation et de Médecine Péri Opératoire, Centre Hospitalo-universitaire (CHU) de Toulouse, Toulouse, France
| | - Cyndie Ba
- Département d’Anesthésie-Réanimation et de Médecine Péri Opératoire, Centre Hospitalo-universitaire (CHU) de Toulouse, Toulouse, France
| | - Rémi Menut
- Département d’Anesthésie-Réanimation et de Médecine Péri Opératoire, Centre Hospitalo-universitaire (CHU) de Toulouse, Toulouse, France
| | - Anne Ferrier
- Département d’Anesthésie-Réanimation et de Médecine Péri Opératoire, Centre Hospitalo-universitaire (CHU) de Toulouse, Toulouse, France
| | - Laetitia Bosch
- Département d’Anesthésie-Réanimation et de Médecine Péri Opératoire, Centre Hospitalo-universitaire (CHU) de Toulouse, Toulouse, France
| | - Charlotte Martin
- Département d’Anesthésie-Réanimation et de Médecine Péri Opératoire, Centre Hospitalo-universitaire (CHU) de Toulouse, Toulouse, France
| | - François Labaste
- Département d’Anesthésie-Réanimation et de Médecine Péri Opératoire, Centre Hospitalo-universitaire (CHU) de Toulouse, Toulouse, France
| | - François Montastruc
- Laboratoire de Pharmacologie Médicale et Clinique, Centre Midi-Pyrénées de Pharmacovigilance, de Pharmacoépidémiologie et d’Informations sur le Médicament, Pharmacopôle Midi-Pyrénées, INSERM UMR 1027, CIC INSERM 1436, CHU Toulouse, Toulouse, France
| | - Agnès Sommet
- Laboratoire de Pharmacologie Médicale et Clinique, Centre Midi-Pyrénées de Pharmacovigilance, de Pharmacoépidémiologie et d’Informations sur le Médicament, Pharmacopôle Midi-Pyrénées, INSERM UMR 1027, CIC INSERM 1436, CHU Toulouse, Toulouse, France
| | - Laurent Balardy
- Service d’Oncogériatrie, Centre Hospitalo-universitaire (CHU) de Toulouse, Institut Universitaire du Cancer de Toulouse-Oncopole (IUCT-O), Toulouse, France
| | - Vincent Minville
- Département d’Anesthésie-Réanimation et de Médecine Péri Opératoire, Centre Hospitalo-universitaire (CHU) de Toulouse, Toulouse, France,RESTORE, UMR 1301 Inserm - 5070 CNRS - Université Paul Sabatier, Université de Toulouse, Toulouse, France
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Liu J, Liu M, Li J, Rong J. Clinical risk analysis of postoperative delirium in elderly patients undergoing thoracic and abdominal surgery: study protocol of a single-centre observational cohort study. BMJ Open 2022; 12:e062648. [PMID: 36581418 PMCID: PMC9806005 DOI: 10.1136/bmjopen-2022-062648] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
INTRODUCTION Postoperative delirium (POD) acts as a common complication in older patients after surgery, accompanied by longer recovery time, prolonged hospital stay, increased hospitalisation costs, etc. Therefore, it is urgent to reduce POD by implementing some intervention strategies. Early identification of associated risk factors was regarded as an effective method to lower the incidence of POD. Currently, the incidence and risk factors of POD have been widely investigated in orthopaedic and cardiac surgery, while remain scarce in thoracic and abdominal surgery. We will perform an observational cohort study to explore the incidence and potential risk variables of POD in thoracic and abdominal surgery, mainly focusing on some prognostic indicators including age-adjusted Charlson Comorbidity Index (ACCI), Prognostic Nutrition Index (PNI) and Fibrinogen to Albumin Ratio (FAR). In addition, we will further develop a predictive model based on related data to provide a novel method for preventing POD. METHODS AND ANALYSIS A single-centre observational study is conducted among patients aged ≥60 years old undergoing thoracic and abdominal surgery from 28 February 2022 to 31 December 2022. The patients will be divided into POD group and non-POD group following the Diagnostic and Statistical Manual of Mental Disorders, fifth edition. Related variables mainly including ACCI, PNI and FAR will be analysed by univariate and multivariate logistic regression analyses. Besides, a predictive model will be established according to associated risk factors, and the receiver operating characteristic curve will be used to further evaluate the accuracy of the predictive model. ETHICS AND DISSEMINATION The study has been approved by the Medical Ethics Committee of Hebei General Hospital (approval number 2022021) and will intend to be published in peer-reviewed journals. TRIAL REGISTRATION NUMBER Chinese Clinical Trial Registry (ChiCTR2200057126).
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Affiliation(s)
- Jing Liu
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang, Hebei, China
- Graduate Faculty, Hebei North University, Zhangjiakou, Hebei, China
| | - Meinv Liu
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang, Hebei, China
| | - Jianli Li
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang, Hebei, China
| | - Junfang Rong
- Department of Anesthesiology, Hebei General Hospital, Shijiazhuang, Hebei, China
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Hydrogen Gas Treatment Improves Postoperative Delirium and Cognitive Dysfunction in Elderly Noncardiac Patients. J Pers Med 2022; 13:jpm13010067. [PMID: 36675728 PMCID: PMC9867387 DOI: 10.3390/jpm13010067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/03/2022] [Accepted: 12/08/2022] [Indexed: 12/29/2022] Open
Abstract
Purpose: Postoperative delirium is a state of acute brain dysfunction characterized by fluctuating mental status that affects millions of patients each year. We used prophylactic inhalation of hydrogen gas in elderly patients undergoing elective surgery to compare their occurrence of postoperative delirium with that of controls. Methods: A total of 184 patients aged ≥ 65 years were enrolled and randomized into either a control group or a hydrogen inhalation group. The quality of sleep was assessed 1 day before and 1, 3, and 7 days after surgery at 8 A.M. The Confusion Assessment Method (CAM) was used as a screening tool for delirium and assessed the patients’ state of consciousness 1−7 days after surgery. Results: Postoperative delirium occurred in 17 (24%) of 70 patients without hydrogen inhalation and in 10 (12%) of 83 patients after hydrogen inhalation. The incidence of delirium was decreased in the hydrogen group. No significant differences were found between length of stay in hospital after surgery and sleep quality at 1, 3, and 7 days postoperatively between the two groups. The numerical rating scale (NRS) pain scores were higher in the hydrogen group (4.08 ± 1.77) than the control group (3.54 ± 1.77) on day 1 (p < 0.05); however, the mean difference between the two groups was small (1 to 1.6). There were no significant differences on day 3 and 7. The postoperative C-reactive protein level was significantly lower in the hydrogen group than the control group. Conclusions: This study suggests that hydrogen inhalation can prevent postoperative delirium in elderly noncardiac patients by reducing the inflammatory response.
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Li S, Jiang H, Liu W, Yin Y, Yin C, Chen H, Du Y, Zhao Q, Zhang Y, Li C. Transcutaneous electrical acupoint stimulation for the prevention of perioperative neurocognitive disorders in geriatric patients: A systematic review and meta-analysis of randomized controlled trials. Medicine (Baltimore) 2022; 101:e32329. [PMID: 36550918 PMCID: PMC9771360 DOI: 10.1097/md.0000000000032329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND To evaluate whether transcutaneous electrical acupoint stimulation (TEAS) decreases rates of perioperative neurocognitive disorders (PND) when used as an adjuvant method during perioperative period in geriatric patients since the new definition was released in 2018. METHODS Six databases [Chinese National Knowledge Infrastructure, VIP Database for Chinese Technical Periodicals, WanFang Database, PubMed, EMBASE, and Cochrane Library] were systematically searched. Data analysis was performed using RevMan 5.4.1 software (Copenhagen: The Nordic Cochrane Centre, the Cochrane Collaboration, 2020). Risk ratios (RR) with 95% confidence interval were calculated using a random effects model. Quality of evidence was assessed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach. RESULTS 13 randomized clinical trials (999 patients) in total were included. TEAS had positive effects on preventing the incidence of PND (RR: 0.43; 0.31, 0.61; P < .001; low certainty) [postoperative delirium within 7 days (RR: 0.39; 0.26, 0.59; P < .001), delayed neurocognitive recovery within 3 months (RR: 0.51; 0.33, 0.78; P = .002)]. TEAS could also improve the scores of the confusion assessment method (CAM) (Mean difference: -1.30; -2.14, -0.46; P = .003; low certainty). Limited evidence suggested that TEAS could reduce the serum levels of biochemical indicator (S100β) (SMD = -1.08, -1.67, -0.49, P < .001; I2 = 83%; very low certainty) as well as anesthetic requirements (remifentanil) (SMD: -1.58; -2.54, -0.63; P = .001; I2 = 87%; very low certainty). Subgroup analysis indicated that different protocols of TEAS had significant pooled benefits (TEAS used only in surgery and in combination with postoperative intervention) (RR: 0.45; 0.31, 0.63; P < .001). Acupoint combination (LI4 and PC6) in the TEAS group had more significantly advantages (RR: 0.34; 0.17, 0.67; P = .002). TEAS group had a lower incidence of PND in different surgery type (orthopedic surgery and abdominal surgery) (RR: 0.43; 0.30, 0.60; P < .001), as well as with different anesthetic modality (intravenous anesthesia and intravenous and inhalational combined anesthesia) (RR: 0.38; 0.23, 0.61; P < .001). CONCLUSION In terms of clinical effectiveness, TEAS appeared to be beneficial for prophylaxis of PND during a relatively recent period, noting the limitations of the current evidence.
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Affiliation(s)
- Shuying Li
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Hailun Jiang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Wei Liu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Yu Yin
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Chunsheng Yin
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Hao Chen
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Yuzheng Du
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- * Correspondence: Yuzheng Du, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China (e-mail: )
| | - Qi Zhao
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Yi Zhang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Chen Li
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
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Poikajärvi S, Rauta S, Salanterä S, Junttila K. Delirium in a surgical context from a nursing perspective: A hybrid concept analysis. INTERNATIONAL JOURNAL OF NURSING STUDIES ADVANCES 2022; 4:100103. [PMID: 38745600 PMCID: PMC11080469 DOI: 10.1016/j.ijnsa.2022.100103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 09/12/2022] [Accepted: 09/26/2022] [Indexed: 10/14/2022] Open
Abstract
Background The term delirium has been defined in medical diagnosis criteria as a multidimensional disorder, and the term acute confusion is included in nursing classifications. Delirium can be a serious complication assessed in a patient after a surgical procedure. Still, the patient's delirium frequently remains unrecognised. Care of patients with delirium after surgical procedure is complex, and it challenges nursing expertise. From the nurses' viewpoint, delirium is associated with ambiguity of concepts and lack of knowledge. Therefore, reseach on how nurses perceive patients with delirium in a surgical context is needed. Objective The aim of this study was to describe the concepts of delirium and acute confusion, as well as the associated dimensions, in adult patients in a surgical context from the nursing perspective. Design The study used Schwartz and Barcott's hybrid concept analysis with theoretical, fieldwork, and final analytical phases. Settings Surgical wards, surgical intensive care units, and post-anaesthesia care units. Data sources A systematic literature search was performed through Pubmed (Medline), Cinahl, PsycInfo, and Embase. Participants Registered nurses and licensed practical nurses (n = 105) participated in the fieldwork phase. Methods In the theoretical phase, the concepts' working definitions were formulated based on a systematic literature search with the year limitations from 2000 until February 2021. At the fieldwork phase, the nurses' descriptions of patients with delirium were analysed using the deductive content analysis method. At the final analytical phase, findings were combined and reported. Results The concepts of delirium, subsyndromal delirium, and acute confusion are well defined in the literature. From the perspective of the nurses in the study, concepts were seen as a continuum not as individual diagnoses. Nurses described the continuum of delirium as a process with acute onset, duration, and recovery with the associated dimensions of symptoms, symptom severity, risk factors, and early signs. The acute phase of delirium was emphasised, and preoperative or prolonged disturbance did not seem to be relevant in the surgical care context. Patients' compliance with care may be decreased with the continuum of delirium, which might challenge both patients' recovery from surgery and the quality of nursing care. Conclusions In clinical practice the nurses used term confusion inaccurately. The term acute confusion might be used when illustrating an early stage of delirium. Nurses could benefit from further education where the theoretical knowledge is combined with the clinical practice. The discussion about the delirium, which covers the time both before surgery and after the acute phase should be increased.
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Affiliation(s)
- Satu Poikajärvi
- Department of Nursing Science, Faculty of Medicine, University of Turku, Turku, Finland
- Department of Perioperative, Intensive Care, and Pain Medicine, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Satu Rauta
- Department of Perioperative, Intensive Care, and Pain Medicine, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Sanna Salanterä
- Department of Nursing Science, Faculty of Medicine, University of Turku, Turku, Finland
- Turku University Hospital, Turku, Finland
| | - Kristiina Junttila
- Department of Nursing Science, Faculty of Medicine, University of Turku, Turku, Finland
- Nursing Research Center, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
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Sevoflurane-induced POCD-associated exosomes delivered miR-584-5p regulates the growth of human microglia HMC3 cells through targeting BDNF. Aging (Albany NY) 2022; 14:9890-9907. [PMID: 36455873 PMCID: PMC9831737 DOI: 10.18632/aging.204398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 11/17/2022] [Indexed: 01/03/2023]
Abstract
BACKGROUND Inhalation of sevoflurane can cause neuronal apoptosis, and cognitive disorders, inducing to the occurrence and progression of post operative cognitive dysfunction (POCD). This study aimed to explore the roles of sevoflurane-induced POCD-associated exosomes on HMC3 cells and its related mechanisms. METHODS Exosomes were isolated from the plasma of sevoflurane-induced POCD or non-POCD patients, and were then sent for small RNA sequencing. Real-time quantitative PCR (RT-qPCR) was used to verify the sequencing results, and miR-584-5p was chosen for subsequent study. HMC3 cells were respectively transfected with POCD-derived exosomes and miR-584-5p mimics, and cell viability and apoptosis were measured. Dual-luciferase reporter gene assay was applied to confirm the target of miR-584-5p. RESULTS After sequencing, 301 differentially expressed miRNAs were identified, including 184 up-regulated miRNAs and 117 down-regulated miRNAs, and were significantly enriched in 3577 GO terms and 121 KEGG pathways. Due to the high level of miR-584-5p in sevoflurane-treated POCD-derived exosomes, HMC3 cells with miR-584-5p enrichment were successfully established. Compared with the control group, POCD-derived exosomes and miR-584-5p significantly inhibited viability and promoted apoptosis of HMC3 cells (P < 0.05). The IL-1β and TNF-α levels were significantly increased after POCD-derived exosomes and miR-584-5p mimics treatment compared to the control group (P < 0.05). Besides, POCD-derived exosomes and miR-584-5p mimics significantly down-regulated the expression levels of BDNF and p-TrkB, and up-regulated Caspase 3 and IL-1β. Finally, BDNF was confirmed to be the target of miR-584-5p. CONCLUSIONS Sevoflurane-induced POCD-associated exosomes delivered miR-584-5p may regulate the growth of HMC3 cells via targeting BDNF.
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Postoperative Delirium after Reconstructive Surgery in the Head and Neck Region. J Clin Med 2022; 11:jcm11226630. [PMID: 36431107 PMCID: PMC9699256 DOI: 10.3390/jcm11226630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/27/2022] [Accepted: 11/05/2022] [Indexed: 11/11/2022] Open
Abstract
Postoperative delirium (POD) is an acute and serious complication following extended surgery. The aim of this study was to identify possible risk factors and scores associated with POD in patients undergoing reconstructive head and neck surgery. A collective of 225 patients was retrospectively evaluated after receiving reconstructive surgery in the head and neck region, between 2013 to 2018. The incidence of POD was examined with regards to distinct patient-specific clinical as well as perioperative parameters. Uni- and multivariate statistics were performed for data analysis. POD occurred in 49 patients (21.8%) and was strongly associated with an increased age-adjusted Charlson Comorbidity Index (ACCI) and a prolonged stay in the ICU (p = 0.009 and p = 0.000, respectively). Analogous, binary logistic regression analysis revealed time in the ICU (p < 0.001), an increased ACCI (p = 0.022) and a Nutritional Risk Screening (NRS) score ≠ 0 (p = 0.005) as significant predictors for a diagnosis of POD. In contrast, the extent of reconstructive surgery in terms of parameters such as type of transplant or duration of surgery did not correlate with the occurrence of POD. The extension of reconstructive interventions in the head and neck region is not decisive for the development of postoperative delirium, whereas patient-specific parameters such as age and comorbidities, as well as nutritional parameters, represent predictors of POD occurrence.
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Liu LF, Hu Y, Liu YN, Shi DW, Liu C, Da X, Zhu SH, Zhu QY, Zhang JQ, Xu GH. Reactive oxygen species contribute to delirium-like behavior by activating CypA/MMP9 signaling and inducing blood-brain barrier impairment in aged mice following anesthesia and surgery. Front Aging Neurosci 2022; 14:1021129. [PMID: 36337710 PMCID: PMC9629746 DOI: 10.3389/fnagi.2022.1021129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 09/27/2022] [Indexed: 11/16/2022] Open
Abstract
Postoperative delirium (POD) is common in the elderly and is associated with poor clinical outcomes. Reactive oxygen species (ROS) and blood-brain barrier (BBB) damage have been implicated in the development of POD, but the association between these two factors and the potential mechanism is not clear. Cyclophilin A (CypA) is a specifically chemotactic leukocyte factor that can be secreted in response to ROS, which activates matrix metalloproteinase 9 (MMP9) and mediates BBB breakdown. We, therefore, hypothesized that ROS may contribute to anesthesia/surgery-induced BBB damage and delirium-like behavior via the CypA/MMP9 pathway. To test these hypotheses, 16-month-old mice were subjected to laparotomy under 3% sevoflurane anesthesia (anesthesia/surgery) for 3 h. ROS scavenger (N-acetyl-cysteine) and CypA inhibitor (Cyclosporin A) were used 0.5 h before anesthesia/surgery. A battery of behavior tests (buried food test, open field test, and Y maze test) was employed to evaluate behavioral changes at 24 h before and after surgery in the mice. Levels of tight junction proteins, CypA, MMP9, postsynaptic density protein (PSD)-95, and synaptophysin in the prefrontal cortex were assessed by western blotting. The amounts of ROS and IgG in the cortex of mice were observed by fluorescent staining. The concentration of S100β in the serum was detected by ELISA. ROS scavenger prevented the reduction in TJ proteins and restored the permeability of BBB as well as reduced the levels of CypA/MMP9, and further alleviated delirium-like behavior induced by anesthesia/surgery. Furthermore, the CypA inhibitor abolished the increased levels of CypA/MMP, which reversed BBB damage and ameliorated delirium-like behavior caused by ROS accumulation. Our findings demonstrated that ROS may participate in regulating BBB permeability in aged mice with POD via the CypA/MMP9 pathway, suggesting that CypA may be a potential molecular target for preventing POD.
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Affiliation(s)
- Li-fang Liu
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Key Laboratory of Anesthesia and Perioperative Medicine of Anhui Higher Education Institutes, Hefei, China
| | - Yun Hu
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Key Laboratory of Anesthesia and Perioperative Medicine of Anhui Higher Education Institutes, Hefei, China
| | - Yi-nuo Liu
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Key Laboratory of Anesthesia and Perioperative Medicine of Anhui Higher Education Institutes, Hefei, China
| | - De-wen Shi
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Key Laboratory of Anesthesia and Perioperative Medicine of Anhui Higher Education Institutes, Hefei, China
| | - Chang Liu
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Key Laboratory of Anesthesia and Perioperative Medicine of Anhui Higher Education Institutes, Hefei, China
| | - Xin Da
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Key Laboratory of Anesthesia and Perioperative Medicine of Anhui Higher Education Institutes, Hefei, China
| | - Si-hui Zhu
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Key Laboratory of Anesthesia and Perioperative Medicine of Anhui Higher Education Institutes, Hefei, China
| | - Qian-yun Zhu
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Key Laboratory of Anesthesia and Perioperative Medicine of Anhui Higher Education Institutes, Hefei, China
| | - Ji-qian Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Key Laboratory of Anesthesia and Perioperative Medicine of Anhui Higher Education Institutes, Hefei, China
| | - Guang-hong Xu
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Key Laboratory of Anesthesia and Perioperative Medicine of Anhui Higher Education Institutes, Hefei, China
- *Correspondence: Guang-hong Xu,
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Zhao J, Liang G, Hong K, Pan J, Luo M, Liu J, Huang B. Risk factors for postoperative delirium following total hip or knee arthroplasty: A meta-analysis. Front Psychol 2022; 13:993136. [PMID: 36248575 PMCID: PMC9565976 DOI: 10.3389/fpsyg.2022.993136] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 08/31/2022] [Indexed: 11/13/2022] Open
Abstract
ObjectivesThe purpose of this study was to identify risk factors for delirium after total joint arthroplasty (TJA) and provide theoretical guidance for reducing the incidence of delirium after TJA.MethodsThe protocol for this meta-analysis is registered with PROSPERO (CRD42020170031). We searched PubMed, the Cochrane Library and Embase for observational studies on risk factors for delirium after TJA. Review Manager 5.3 was used to calculate the relative risk (RR) or standard mean difference (SMD) of potential risk factors related to TJA. STATA 14.0 was used for quantitative publication bias evaluation.ResultsIn total, 25 studies including 3,767,761 patients from 9 countries were included. Old age has been widely recognized as a risk factor for delirium. Our results showed that the main risk factors for delirium after TJA were patient factors (alcohol abuse: RR = 1.63; length of education: SMD = −0.93; and MMSE score: SMD = −0.39), comorbidities (hypertension: RR = 1.26; diabetes mellitus: RR = 1.67; myocardial infarction: RR = 17.75; congestive heart failure: RR = 2.54; dementia: RR = 17.75; renal disease: RR = 2.98; history of stroke: RR = 4.83; and history of mental illness: RR = 2.36), surgical factors (transfusion: RR = 1.53; general anesthesia: RR = 1.10; pre-operative albumin: SMD = −0.38; pre-operative hemoglobin: SMD = −0.29; post-operative hemoglobin: SMD = −0.24; total blood loss: SMD = 0.15; duration of surgery: SMD = 0.29; and duration of hospitalization: SMD = 2.00) and drug factors (benzodiazepine use: RR = 2.14; ACEI use: RR = 1.52; and beta-blocker use: RR = 1.62).ConclusionsMultiple risk factors were associated with delirium after TJA. These results may help doctors predict the occurrence of delirium after surgery and determine the correct treatment.Systematic review registrationhttps://www.crd.york.ac.uk/prospero/, identifier: CRD42020170031.
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Affiliation(s)
- Jinlong Zhao
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Research Team on Bone and Joint Degeneration and Injury of Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Guihong Liang
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Research Team on Bone and Joint Degeneration and Injury of Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Kunhao Hong
- Guangdong Second Traditional Chinese Medicine Hospital (Guangdong Province Engineering Technology Research Institute of Traditional Chinese Medicine), Guangzhou, China
| | - Jianke Pan
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Minghui Luo
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jun Liu
- The Research Team on Bone and Joint Degeneration and Injury of Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
- Guangdong Second Traditional Chinese Medicine Hospital (Guangdong Province Engineering Technology Research Institute of Traditional Chinese Medicine), Guangzhou, China
- The Fifth Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- *Correspondence: Jun Liu
| | - Bin Huang
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Bin Huang
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Perioperative psychological issues and nursing care among patients undergoing minimally invasive surgeries. LAPAROSCOPIC, ENDOSCOPIC AND ROBOTIC SURGERY 2022. [DOI: 10.1016/j.lers.2022.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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