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Fu W, Li Y, Liu R, Li J. Incidence and Risk Factors of Delirium Following Brain Tumor Resection: A Retrospective National Inpatient Sample Database Study. World Neurosurg 2024; 189:e533-e543. [PMID: 38936612 DOI: 10.1016/j.wneu.2024.06.108] [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: 04/07/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 06/29/2024]
Abstract
OBJECTIVE The aim of this study was to evaluate the occurrence and factors predisposing to delirium following brain tumor resection. METHODS Data from patients who underwent brain tumor resection surgery from 2016 to 2019 were extracted from the National Inpatient Sample database and retrospectively analyzed. The difference between the 2 groups was compared by Wilcoxon rank test or χ2 test was used. Univariate and multivariate logistic regression analyses were used to identify the risk factors of delirium after brain tumor resection. RESULTS From 2016 to 2019, 28,340 patients who underwent brain tumor resection were identified in the National Inpatient Sample database, with the incidence of delirium being 4.79% (1357/28,340). It was found that increased incidence of delirium was significantly associated with age over 75 years and males (all P < 0.001). Besides, patients with delirium were more likely to have multiple comorbidities and to receive elective surgery (all P < 0.001). The results of logistic regression analysis showed that self-pay (odds ratio [OR] = 0.51; confidence interval [CI] = 0.31-0.83; P = 0.007), elective admission (OR = 0.53; CI = 0.47-0.60; P < 0.001), obesity (OR = 0.77; CI = 0.66-0.92; P = 0.003), females (OR = 0.79; CI = 0.71-0.88; P < 0.001), and private insurance (OR = 0.80; CI = 0.67-0.95; P = 0.012) were associated with lower occurrence of delirium. Besides, delirium was related to extra total hospital charges (P < 0.001), increased length of stay (P < 0.001), higher inpatient mortality (P = 0.001), and perioperative complications (including heart failure, acute renal failure, urinary tract infection, urinary retention, septicemia, pneumonia, blood transfusion, and cerebral edema) (P < 0.001). CONCLUSIONS Many factors were associated with the occurrence of delirium after brain tumor resection. Therefore, clinicians should identify high-risk patients prone to delirium in a timely manner and take effective management measures to reduce adverse outcomes.
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Affiliation(s)
- Wei Fu
- Department of Anesthesiology, The Second Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Yi Li
- Department of Anesthesiology, The Second Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Rui Liu
- Department of Anesthesiology, The Second Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Jingjing Li
- Department of Neurosurgery, The Second Hospital of Lanzhou University, Lanzhou, Gansu, China.
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Kappen PR, Mos MI, Jeekel J, Dirven CMF, Kushner SA, Osse RJ, Coesmans M, Poley MJ, van Schie MS, van der Holt B, Klimek M, Vincent AJPE. Music to prevent deliriUm during neuroSurgerY (MUSYC): a single-centre, prospective randomised controlled trial. BMJ Open 2023; 13:e069957. [PMID: 37369412 PMCID: PMC10410844 DOI: 10.1136/bmjopen-2022-069957] [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: 11/10/2022] [Accepted: 05/11/2023] [Indexed: 06/29/2023] Open
Abstract
OBJECTIVES Delirium is a serious complication following neurosurgical procedures. We hypothesise that the beneficial effect of music on a combination of delirium-eliciting factors might reduce delirium incidence following neurosurgery and subsequently improve clinical outcomes. DESIGN Prospective randomised controlled trial. SETTING Single centre, conducted at the neurosurgical department of the Erasmus Medical Center, Rotterdam, the Netherlands. PARTICIPANTS Adult patients undergoing craniotomy were eligible. INTERVENTIONS Patients in the intervention group received preferred recorded music before, during and after the operation until day 3 after surgery. Patients in the control group were treated according to standard of clinical care. PRIMARY AND SECONDARY OUTCOME MEASURES Primary outcome was presence or absence of postoperative delirium within the first 5 postoperative days measured with the Delirium Observation Screening Scale (DOSS) and, in case of a daily mean score of 3 or higher, a psychiatric evaluation with the latest Diagnostic and Statistical Manual of Mental Disorders (DSM-5) criteria. Secondary outcomes included anxiety, heart rate variability (HRV), depth of anaesthesia, delirium severity and duration, postoperative complications, length of stay and location of discharge. RESULTS We enrolled 189 patients (music=95, control=94) from July 2020 through September 2021. Delirium, as assessed by the DOSS, was less common in the music (n=11, 11.6%) than in the control group (n=21, 22.3%, OR:0.49, p=0.048). However, after DSM-5 confirmation, differences in delirium were not significant (4.2% vs 7.4%, OR:0.47, p=0.342). Moreover, music increased the HRV (root mean square of successive differences between normal heartbeats, p=0.012). All other secondary outcomes were not different between groups. CONCLUSION Our results support the efficacy of music in reducing the incidence of delirium after craniotomy, as found with DOSS but not after DSM-5 confirmation, substantiated by the effect of music on preoperative autonomic tone. Delirium screening tools should be validated and the long-term implications should be evaluated after craniotomy. TRIAL REGISTRATION NUMBER Trialregister.nl: NL8503 and ClinicalTrials.gov: NCT04649450.
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Affiliation(s)
- Pablo R Kappen
- Department of Neurosurgery, Erasmus Medical Center, Rotterdam, The Netherlands
| | - M I Mos
- Department of Neurosurgery, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Johannes Jeekel
- Department of Neurosurgery, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Clemens M F Dirven
- Department of Neurosurgery, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Steven A Kushner
- Department of Psychiatry, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Robert-Jan Osse
- Department of Psychiatry, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Michiel Coesmans
- Department of Psychiatry, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Marten J Poley
- Institute for Medical Technology Assessment (iMTA), Erasmus Medical Center, Rotterdam, The Netherlands
- Department of Paediatric Surgery and Intensive Care, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Mathijs S van Schie
- Department of Cardiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Bronno van der Holt
- Department of Haematology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - M Klimek
- Department of Anesthesiology, Erasmus Medical Center, Rotterdam, The Netherlands
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Chakrabarti D, Bharadwaj S, Akash VS, Wadhwa A, Konar S, Kamath S, Gopalakrishna KN. Postoperative delirium after intracranial neurosurgery: A prospective cohort study from a developing nation. Acta Neurochir (Wien) 2023; 165:1473-1482. [PMID: 37126098 DOI: 10.1007/s00701-023-05610-w] [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: 02/02/2023] [Accepted: 04/19/2023] [Indexed: 05/02/2023]
Abstract
INTRODUCTION Post-operative delirium (POD) is a major complication after anesthesia and surgery with an incidence varying from 5 to 50%. The incidence of POD after intracranial surgery is likely to be higher due to the pre-existing brain pathology and direct handling of the brain during neurosurgery. The primary objective of this study was to assess the incidence of POD after intracranial neurosurgery and our secondary objective was to identify the potential risk factors for its occurrence. MATERIALS AND METHODS This prospective observational study was conducted after the institutional ethics committee approval between october 2020 and march 2021. We included patients of either gender aged ≥ 18 years and undergoing elective intracranial neurosurgery. Exclusion criteria included patients aged below 18 years, undergoing emergency neurosurgery, patients with impaired consciousness and patients with psychiatric comorbidities or those taking psychotropic medications. We planned to exclude patients from analysis who were transferred to intensive care unit (ICU) or if they were not extubated after surgery. Our study outcome was development of POD as assessed by confusion assessment method (CAM). RESULTS The overall incidence of POD during the three postoperative days was 19.2% (n=60/313). The incidence of POD on days 1, 2, and 3 were 19.2% (n=60/313), 17.2% (n=50/291), and 16.3% (n=39/239). Preoperative delirium and hyperactive Emergence Delirium were found to be the significant predictors of POD. CONCLUSION Every one in five patients undergoing intracranial neurosurgery is vulnerable for the development of POD within first three days after surgery. The incidence of occurrence of POD is time-sensitive and is decremental.
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Affiliation(s)
- Dhritiman Chakrabarti
- Department of Neuroanaesthesia and Neurocritical care, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bangalore, 560 029, India
| | - Suparna Bharadwaj
- Department of Neuroanaesthesia and Neurocritical care, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bangalore, 560 029, India
| | - V S Akash
- Department of Neuroanaesthesia and Neurocritical care, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bangalore, 560 029, India
| | - Archisha Wadhwa
- Department of Neuroanaesthesia and Neurocritical care, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bangalore, 560 029, India
| | - Subhas Konar
- Department of Neurosurgery, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bangalore, 560 029, India
| | - Sriganesh Kamath
- Department of Neuroanaesthesia and Neurocritical care, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bangalore, 560 029, India
| | - Kadarapura Nanjundaiah Gopalakrishna
- Department of Neuroanaesthesia and Neurocritical care, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bangalore, 560 029, India.
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Ormseth CH, LaHue SC, Oldham MA, Josephson SA, Whitaker E, Douglas VC. Predisposing and Precipitating Factors Associated With Delirium: A Systematic Review. JAMA Netw Open 2023; 6:e2249950. [PMID: 36607634 PMCID: PMC9856673 DOI: 10.1001/jamanetworkopen.2022.49950] [Citation(s) in RCA: 50] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
IMPORTANCE Despite discrete etiologies leading to delirium, it is treated as a common end point in hospital and in clinical trials, and delirium research may be hampered by the attempt to treat all instances of delirium similarly, leaving delirium management as an unmet need. An individualized approach based on unique patterns of delirium pathophysiology, as reflected in predisposing factors and precipitants, may be necessary, but there exists no accepted method of grouping delirium into distinct etiologic subgroups. OBJECTIVE To conduct a systematic review to identify potential predisposing and precipitating factors associated with delirium in adult patients agnostic to setting. EVIDENCE REVIEW A literature search was performed of PubMed, Embase, Web of Science, and PsycINFO from database inception to December 2021 using search Medical Subject Headings (MeSH) terms consciousness disorders, confusion, causality, and disease susceptibility, with constraints of cohort or case-control studies. Two reviewers selected studies that met the following criteria for inclusion: published in English, prospective cohort or case-control study, at least 50 participants, delirium assessment in person by a physician or trained research personnel using a reference standard, and results including a multivariable model to identify independent factors associated with delirium. FINDINGS A total of 315 studies were included with a mean (SD) Newcastle-Ottawa Scale score of 8.3 (0.8) out of 9. Across 101 144 patients (50 006 [50.0%] male and 49 766 [49.1%] female patients) represented (24 015 with delirium), studies reported 33 predisposing and 112 precipitating factors associated with delirium. There was a diversity of factors associated with delirium, with substantial physiological heterogeneity. CONCLUSIONS AND RELEVANCE In this systematic review, a comprehensive list of potential predisposing and precipitating factors associated with delirium was found across all clinical settings. These findings may be used to inform more precise study of delirium's heterogeneous pathophysiology and treatment.
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Affiliation(s)
- Cora H. Ormseth
- Department of Emergency Medicine, University of California, San Francisco
| | - Sara C. LaHue
- Department of Neurology, University of California, San Francisco
| | - Mark A. Oldham
- Department of Psychiatry, University of Rochester Medical Center, Rochester, New York
| | | | - Evans Whitaker
- University of California, San Francisco, School of Medicine
| | - Vanja C. Douglas
- Department of Neurology, University of California, San Francisco
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Xu Y, Ma Q, Du H, Yang C, Lin G. Postoperative Delirium in Neurosurgical Patients: Recent Insights into the Pathogenesis. Brain Sci 2022; 12:brainsci12101371. [PMID: 36291305 PMCID: PMC9599232 DOI: 10.3390/brainsci12101371] [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: 08/17/2022] [Revised: 10/04/2022] [Accepted: 10/07/2022] [Indexed: 11/16/2022] Open
Abstract
Postoperative delirium (POD) is a complication characterized by disturbances in attention, awareness, and cognitive function that occur shortly after surgery or emergence from anesthesia. Since it occurs prevalently in neurosurgical patients and poses great threats to the well-being of patients, much emphasis is placed on POD in neurosurgical units. However, there are intricate theories about its pathogenesis and limited pharmacological interventions for POD. In this study, we review the recent insights into its pathogenesis, mainly based on studies within five years, and the five dominant pathological theories that account for the development of POD, with the intention of furthering our understanding and boosting its clinical management.
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Affiliation(s)
- Yinuo Xu
- Department of Neurosurgery, Peking University Third Hospital, Beijing 100191, China
- School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Qianquan Ma
- Department of Neurosurgery, Peking University Third Hospital, Beijing 100191, China
- Center for Precision Neurosurgery and Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Haiming Du
- Department of Anesthesiology, Peking University Third Hospital, Beijing 100191, China
| | - Chenlong Yang
- Department of Neurosurgery, Peking University Third Hospital, Beijing 100191, China
- Center for Precision Neurosurgery and Oncology, Peking University Health Science Center, Beijing 100191, China
- North America Medical Education Foundation, Union City, CA 94587, USA
- Correspondence: (C.Y.); (G.L.); Tel.: +86-135-1108-7060 (C.Y.); +86-135-5240-0103 (G.L.)
| | - Guozhong Lin
- Department of Neurosurgery, Peking University Third Hospital, Beijing 100191, China
- Center for Precision Neurosurgery and Oncology, Peking University Health Science Center, Beijing 100191, China
- Correspondence: (C.Y.); (G.L.); Tel.: +86-135-1108-7060 (C.Y.); +86-135-5240-0103 (G.L.)
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Huang HW, Zhang XK, Li HY, Wang YG, Jing B, Chen Y, Patel MB, Ely EW, Liu YO, Zhou JX, Lin S, Zhang GB. Higher Grade Glioma Increases the Risk of Postoperative Delirium: Deficient Brain Compensation Might Be a Potential Mechanism of Postoperative Delirium. Front Aging Neurosci 2022; 14:822984. [PMID: 35493935 PMCID: PMC9045131 DOI: 10.3389/fnagi.2022.822984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 03/02/2022] [Indexed: 11/13/2022] Open
Abstract
Objective The brain compensation mechanism in postoperative delirium (POD) has not been reported. We uncovered the mechanism by exploring the association between POD and glioma grades, and the relationship between preoperative brain structural and functional compensation with POD in patients with frontal glioma. Methods A total of 335 adult patients with glioma were included. The multivariable analysis examined the association between tumor grade and POD. Then, 20 patients with left frontal lobe glioma who had presurgical structural and functional MRI data and Montreal Cognitive Assessment (MoCA) in this cohort were analyzed. We measured the gray matter volume (GMV) and functional connectivity (FC) in patients with (n = 8) and without (n = 12) POD and healthy controls (HCs, n = 29) to detect the correlation between the structural and functional alteration and POD. Results The incidence of POD was 37.3%. Multivariable regression revealed that high-grade glioma had approximately six times the odds of POD. Neuroimaging data showed that compared with HC, the patients with left frontal lobe glioma showed significantly increased GMV of the right dorsal lateral prefrontal cortex (DLPFC) in the non-POD group and decreased GMV of right DLPFC in the POD group, and the POD group exhibited significantly decreased FC of right DLPFC, and the non-POD group showed the increasing tendency. Partial correlation analysis showed that GMV in contralesional DLPFC were positively correlated with preoperative neurocognition, and the GMV and FC in contralesional DLPFC were negatively correlated with POD. Conclusions Our findings suggested that insufficient compensation for injured brain regions involving cognition might be more vulnerable to suffering from POD.
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Affiliation(s)
- Hua-Wei Huang
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xiao-Kang Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Brain Tumor, Center of Brain Tumor, China National Clinical Research Center for Neurological Diseases (NCRC-ND), Beijing, China
| | - Hao-Yi Li
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Brain Tumor, Center of Brain Tumor, China National Clinical Research Center for Neurological Diseases (NCRC-ND), Beijing, China
| | - Yong-Gang Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Brain Tumor, Center of Brain Tumor, China National Clinical Research Center for Neurological Diseases (NCRC-ND), Beijing, China
| | - Bin Jing
- School of Biomedical Engineering, Capital Medical University, Beijing, China
| | - You Chen
- Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, United States
- Department of Electrical Engineering & Computer Science, Vanderbilt University, Nashville, TN, United States
| | - Mayur B. Patel
- Section of Surgical Sciences, Department of Surgery and Neurosurgery, Division of Trauma, Surgical Critical Care, and Emergency General Surgery, Vanderbilt University Medical Center, Nashville, TN, United States
- Department of Hearing & Speech Sciences, Vanderbilt University Medical Center, Nashville, TN, United States
- Geriatric Research, Education, and Clinical Center Service, Veterans Affairs Tennessee Valley Healthcare System, Nashville, TN, United States
| | - E. Wesley Ely
- Critical Illness, Brain Dysfunction, and Survivorship Center, Vanderbilt University Medical Center, Nashville, TN, United States
- Department of Medicine, Division of Allergy, Pulmonary, and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Ya-Ou Liu
- Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jian-Xin Zhou
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- *Correspondence: Jian-Xin Zhou,
| | - Song Lin
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Brain Tumor, Center of Brain Tumor, China National Clinical Research Center for Neurological Diseases (NCRC-ND), Beijing, China
- *Correspondence: Jian-Xin Zhou,
| | - Guo-Bin Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Brain Tumor, Center of Brain Tumor, China National Clinical Research Center for Neurological Diseases (NCRC-ND), Beijing, China
- *Correspondence: Jian-Xin Zhou,
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He X, Cheng KM, Duan YQ, Xu SS, Gao HR, Miao MY, Li HL, Chen K, Yang YL, Zhang L, Gu HQ, Zhou JX. Feasibility of low-dose dexmedetomidine for prevention of postoperative delirium after intracranial operations: a pilot randomized controlled trial. BMC Neurol 2021; 21:472. [PMID: 34863109 PMCID: PMC8643013 DOI: 10.1186/s12883-021-02506-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 11/19/2021] [Indexed: 11/16/2022] Open
Abstract
Background Clinical trials have shown that dexmedetomidine might decrease the occurrence of postoperative delirium after major surgery, but neurosurgical patients were excluded from these studies. We aimed to determine the feasibility of conducting a full-scale randomized controlled trial of the effect of prophylactic low-dose dexmedetomidine on postoperative delirium in patients after elective intracranial operation for brain tumors. Methods In this single-center, parallel-arm pilot randomized controlled trial, adult patients who underwent an elective intracranial operation for brain tumors were recruited. Dexmedetomidine (0.1 μg/kg/hour) or placebo was continuously infused from intensive care unit (ICU) admission on the day of surgery until 08:00 AM on postoperative day one. Adverse events during the study-drug administration were recorded. The primary feasibility endpoint was the occurrence of study-drug interruption. Delirium was assessed twice daily with the Confusion Assessment Method for the ICU during the first five postoperative days. The assessable rate of delirium evaluation was documented. Results Sixty participants were randomly assigned to receive either dexmedetomidine (n = 30) or placebo (n = 30). The study-drug was stopped in two patients (6.7%) in the placebo group due to desaturation after new-onset unconsciousness and an unplanned reoperation for hematoma evacuation and in one patient (3.3%) in the dexmedetomidine group due to unplanned discharge from the ICU. The absolute difference (95% confidence interval) of study-drug interruption between the two groups was 3.3% (− 18.6 to 12.0%), with a noninferiority P value of 0.009. During the study-drug infusion, no bradycardia occurred, and hypotension occurred in one patient (3.3%) in the dexmedetomidine group. Dexmedetomidine tended to decrease the incidence of tachycardia (10.0% vs. 23.3%) and hypertension (3.3% vs. 23.3%). Respiratory depression, desaturation, and unconsciousness occurred in the same patient with study-drug interruption in the placebo group (3.3%). Delirium was evaluated 600 times, of which 590 (98.3%) attempts were assessable except in one patient in the placebo group who remained in a coma after an unplanned reoperation. Conclusions The low rate of study-drug interruption and high assessable rate of delirium evaluation supported a fully powered trial to determine the effectiveness of low-dose dexmedetomidine on postoperative delirium in patients after intracranial operation for brain tumors. Trial registration The trial was registered at ClinicalTrials.gov (NCT04494828) on 31/07/2020.
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Affiliation(s)
- Xuan He
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Kun-Ming Cheng
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Yu-Qing Duan
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Shan-Shan Xu
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Hao-Ran Gao
- Weifang Medical University, Weifang, 261041, Shandong, China
| | - Ming-Yue Miao
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Hong-Liang Li
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Kai Chen
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Yan-Lin Yang
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Linlin Zhang
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Hong-Qiu Gu
- Clinical Trial and Research Center, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Jian-Xin Zhou
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China.
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Kappen P, Jeekel J, Dirven CMF, Klimek M, Kushner SA, Osse RJ, Coesmans M, Poley MJ, Vincent AJPE. Music to prevent deliriUm during neuroSurgerY (MUSYC) Clinical trial: a study protocol for a randomised controlled trial. BMJ Open 2021; 11:e048270. [PMID: 34598983 PMCID: PMC8488750 DOI: 10.1136/bmjopen-2020-048270] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
INTRODUCTION Delirium is a neurocognitive disorder characterised by an acute and temporary decline of mental status affecting attention, awareness, cognition, language and visuospatial ability. The underlying pathophysiology is driven by neuroinflammation and cellular oxidative stress.Delirium is a serious complication following neurosurgical procedures with a reported incidence varying between 4% and 44% and has been associated with increased length of hospital stay, increased amount of reoperations, increased costs and mortality.Perioperative music has been reported to reduce preoperative anxiety, postoperative pain and opioid usage, and attenuates stress response caused by surgery. We hypothesize that this beneficial effect of music on a combination of delirium eliciting factors might reduce delirium incidence following neurosurgery and subsequently improve clinical outcomes. METHODS This protocol concerns a single-centred prospective randomised controlled trial with 6 months follow-up. All adult patients undergoing a craniotomy at the Erasmus Medical Center in Rotterdam are eligible. The music group will receive recorded music through an overear headphone before, during and after surgery until postoperative day 3. Patients can choose from music playlists, offered based on music importance questionnaires administered at baseline. The control group will receive standard of clinical careDelirium is assessed by the Delirium Observation Scale and confirmed by a delirium-expert psychiatrist according to the DSM-5 criteria. Risk factors correlated with the onset of delirium, such as cognitive function at baseline, preoperative anxiety, perioperative medication use, depth of anaesthesia and postoperative pain, and delirium-related health outcomes such as length of stay, daily function, quality of life (ie, EQ-5D, EORTC questionnaires), costs and cost-effectiveness are collected. ETHICS AND DISSEMINATION This study is being conducted in accordance with the Declaration of Helsinki. The Medical Ethics Review Board of Erasmus University Medical Center Rotterdam, The Netherlands, approved this protocol. Results will be disseminated via peer-reviewed scientific journals and conference presentations. TRIAL REGISTRATION NUMBERS NL8503 and NCT04649450.
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Affiliation(s)
- Pablo Kappen
- Neurosurgery, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Johannes Jeekel
- Neuroscience, Erasmus MC, Rotterdam, The Netherlands
- Surgery, Erasmus MC, Rotterdam, The Netherlands
| | | | - M Klimek
- Anesthesiology, Erasmus MC, Rotterdam, The Netherlands
| | - Steven A Kushner
- Department of Psychiatry, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Robert-Jan Osse
- Department of Psychiatry, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Michiel Coesmans
- Department of Psychiatry, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Marten J Poley
- Pediatric Surgery, Erasmus MC Sophia, Rotterdam, The Netherlands
- Medical Technology Assessment (iMTA), Erasmus Universiteit Rotterdam, Rotterdam, The Netherlands
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Kappen PR, Kakar E, Dirven CMF, van der Jagt M, Klimek M, Osse RJ, Vincent APJE. Delirium in neurosurgery: a systematic review and meta-analysis. Neurosurg Rev 2021; 45:329-341. [PMID: 34396454 PMCID: PMC8827408 DOI: 10.1007/s10143-021-01619-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/08/2021] [Accepted: 07/29/2021] [Indexed: 11/24/2022]
Abstract
Delirium is a frequent occurring complication in surgical patients. Nevertheless, a scientific work-up of the clinical relevance of delirium after intracranial surgery is lacking. We conducted a systematic review (CRD42020166656) to evaluate the current diagnostic work-up, incidence, risk factors and health outcomes of delirium in this population. Five databases (Embase, Medline, Web of Science, PsycINFO, Cochrane Central) were searched from inception through March 31st, 2021. Twenty-four studies (5589 patients) were included for qualitative analysis and twenty-one studies for quantitative analysis (5083 patients). Validated delirium screening tools were used in 70% of the studies, consisting of the Confusion Assessment Method (intensive care unit) (45%), Delirium Observation Screening Scale (5%), Intensive Care Delirium Screening Checklist (10%), Neelon and Champagne Confusion Scale (5%) and Nursing Delirium Screening Scale (5%). Incidence of post-operative delirium after intracranial surgery was 19%, ranging from 12 to 26% caused by variation in clinical features and delirium assessment methods. Meta-regression for age and gender did not show a correlation with delirium. We present an overview of risk factors and health outcomes associated with the onset of delirium. Our review highlights the need of future research on delirium in neurosurgery, which should focus on optimizing diagnosis and assessing prognostic significance and management.
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Affiliation(s)
- P R Kappen
- Department of Neurosurgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands.
| | - E Kakar
- Department of Neuroscience, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands.,Department of Intensive Care Adults, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - C M F Dirven
- Department of Neurosurgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - M van der Jagt
- Department of Intensive Care Adults, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - M Klimek
- Department of Anesthesiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - R J Osse
- Department of Psychiatry, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - A P J E Vincent
- Department of Neurosurgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
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Kose G, Şirin K, Inel MB, Mertoglu S, Aksakal R, Kurucu Ş. Prevalence and Factors Affecting Postoperative Delirium in a Neurosurgical Intensive Care Unit. J Neurosci Nurs 2021; 53:177-182. [PMID: 34116558 DOI: 10.1097/jnn.0000000000000595] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
ABSTRACT PURPOSE: The aim of this study was to identify the prevalence of, and factors affecting, postoperative delirium (POD) in patients in the neurosurgical intensive care unit. METHODS: A cross-sectional study of 127 Turkish neurosurgical intensive care unit patients admitted between May 2018 and May 2019 was conducted. Patients were assessed for the development of POD using the Intensive Care Delirium Screening Checklist. We collected other independent data variables daily. Data were analyzed using independent sample t test, χ2 test, and logistic regression. RESULTS: The prevalence rates of POD on the first and second postoperative days were 18.9% and 8.7%, respectively. Logistic regression analysis showed that the Glasgow Coma Scale score, albumin level, Spo2 level, hemoglobin values, undergoing cranial surgery, and having intra-arterial catheter were the independent risk factors for POD. CONCLUSION: These findings may contribute to identifying patients at risk for developing POD and developing strategies to improve patient outcomes.
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Wang CM, Ma YL, Yang XY, Ji RQ, Gu WJ, Zhou JX. Association of preoperative frailty with postoperative delirium after elective brain tumor resection: Retrospective analysis of a prospective cohort. Surgery 2021; 170:1763-1769. [PMID: 34187694 DOI: 10.1016/j.surg.2021.05.048] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 05/06/2021] [Accepted: 05/26/2021] [Indexed: 01/12/2023]
Abstract
BACKGROUND Preoperative frailty is associated with poor outcomes in major surgery. Postoperative delirium is common after neurosurgery. To date, the association of preoperative frailty with postoperative delirium after neurosurgery has not been established. We aimed to determine the association between preoperative frailty and postoperative delirium in patients undergoing elective brain tumor resection. METHODS We retrospectively analyzed the data of a prospective cohort, consecutively enrolling adult patients admitted to the intensive care unit after elective craniotomy for brain tumor resection under general anesthesia in a tertiary hospital in China from March 1, 2017 to February 2, 2018. Preoperative frailty was evaluated using the modified frailty index. The primary outcome was postoperative delirium, assessed using the Confusion Assessment Method for the Intensive Care Unit. Univariate and multivariable regression analyses were performed to examine the association. RESULTS 659 patients met inclusion criteria for our analysis. There were 398 (60.4%) non-frail (modified frailty index = 0), 237 (36.0%) pre-frail (modified frailty index = 1-2), and 24 (3.6%) frail (modified frailty index ≥ 3) patients. Of these, 124 (18.8%) developed postoperative delirium. In adjusted analyses, frailty was independently associated with postoperative delirium (odds ratio 1.7, 95% confidence interval 1.0-2.7, P = .032). Frail patients had longer length of hospital stay and higher total costs than non-frail patients. CONCLUSION Preoperative frailty is associated with postoperative delirium, length of hospital stay, and total costs in patients undergoing elective brain tumor resection. Preoperative frailty assessment and appropriate management strategies should be involved in the perioperative management of postoperative delirium.
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Affiliation(s)
- Chun-Mei Wang
- Department of Critical Care Medicine, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Yu-Lei Ma
- Department of Critical Care Medicine, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Xi-Ying Yang
- Department of Critical Care Medicine, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Run-Qing Ji
- NHC Key Laboratory of Clinical Research for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wan-Jie Gu
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China.
| | - Jian-Xin Zhou
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
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Peng L, Luo Z, Liang L, Liu M, Meng L, Tan J, Song L, Zhang Y, Wu L. Comparison of the Performance of 24 Early Warning Scores with the Updated National Early Warning Score (NEWS2) for Predicting Unplanned Intensive Care Unit (ICU) Admission in Postoperative Brain Tumor Patients: A Retrospective Study at a Single Center. Med Sci Monit 2021; 27:e929168. [PMID: 33649288 PMCID: PMC7938866 DOI: 10.12659/msm.929168] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 12/29/2020] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND There have been few studies to evaluate early warning score (EWS) systems, or track and trigger systems (TTS), to identify early clinical deterioration in patients following brain tumor surgery who are admitted to the Intensive Care Unit (ICU). The National Early Warning Score (NEWS2) is an established method used in the U.K. National Health Service to improve care for in-hospital patients. This retrospective study from a single center aimed to compare the performance of NEWS2 with 24 other types of EWS to evaluate unplanned ICU admissions within 72 h after brain tumor surgery. MATERIAL AND METHODS A total of 326 patients with brain tumors were included in the study. Patients who experienced unplanned ICU transfer after surgery (69 cases) were diagnostically matched with patients who did not require intensive care (257 controls). We collected the physiological variables to calculate the area under the receiver operator characteristic curve (AUROC), sensitivity, specificity, Youden index values, cutoff values, positive predictive values, and negative predictive values. RESULTS The NEWS2 identified postoperative brain tumor patients with AUROC (0.860, p=0.000). The Patient-At-Risk (PAR) score was higher than NEWS2 in terms of AUROC value (0.870, P=0.000), Youden index (0.589 vs 0.542). CONCLUSIONS The findings showed that although the NEWS 2 performed well when used to evaluate unplanned ICU admissions within 72 h of postoperative brain tumor patients, the PAR score was also an accurate EWS.
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Affiliation(s)
- Lingli Peng
- Xiangya School of Public Health, Central South University, Changsha, Hunan, P.R. China
- Orthopedics Department, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Zhen Luo
- Xiangya Nursing School, Central South University, Changsha, Hunan, P.R. China
| | - Lingling Liang
- Orthopedics Department, Sixth Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, P.R. China
| | - Mingming Liu
- Xiangya Nursing School, Central South University, Changsha, Hunan, P.R. China
| | - Lingyao Meng
- Xiangya Nursing School, Central South University, Changsha, Hunan, P.R. China
| | - Jianwen Tan
- Department of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Lili Song
- Xiangya Nursing School, Central South University, Changsha, Hunan, P.R. China
| | - Yan Zhang
- Xiangya Nursing School, Central South University, Changsha, Hunan, P.R. China
| | - Lixiang Wu
- Xiangya School of Public Health, Central South University, Changsha, Hunan, P.R. China
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Reply to: assessing risk factors of delirium and its effects on adverse outcomes in patients admitted to the ICU after craniotomy. Eur J Anaesthesiol 2021; 38:192-193. [PMID: 33394791 DOI: 10.1097/eja.0000000000001309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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He X, Cheng KM, Zhang L, Gu H, Qu X, Xu Y, Ma P, Zhou JX. Dexmedetomidine for the prevention of postoperative delirium in patients after intracranial operation for brain tumours (DEPOD study): a study protocol and statistical plan for a multicentre randomised controlled trial. BMJ Open 2020; 10:e040939. [PMID: 33234648 PMCID: PMC7684814 DOI: 10.1136/bmjopen-2020-040939] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
INTRODUCTION Postoperative delirium (POD) is prevalent in patients after major surgery and is associated with adverse outcomes. Several studies have reported that dexmedetomidine, a highly selective α2-adrenergic receptor agonist, can decrease the incidence of POD. However, neurosurgical patients are usually excluded from previous studies. The present study was designed to investigate the impact of prophylactic use of low-dose dexmedetomidine on the incidence of POD in patients after intracranial operation. METHODS AND ANALYSIS This is a multicentre, randomised, double-blinded and placebo-controlled trial. Seven hundred intensive care unit admitted patients after elective intracranial operation for brain tumours under general anaesthesia are randomly assigned to the dexmedetomidine group or the placebo group with a 1:1 ratio. For patients in the dexmedetomidine group, a continuous infusion of dexmedetomidine will be started at a rate of 0.1 μg/kg/hour immediately after enrolment on the day of operation and continued until 08:00 on postoperative day 1. For patients in the placebo group, normal saline will be administered at the same rate as in the dexmedetomidine group. The patients will be followed up for 28 days after enrolment. The primary endpoint is the incidence of POD, which is assessed two times per day using the Confusion Assessment Method for the intensive care unit (ICU), during the first 5 postoperative days. The secondary endpoints include the incidence of dexmedetomidine-related adverse events and non-delirium complications, the length of stay in the ICU and hospital and all-cause 28-day mortality after the operation. ETHICS AND DISSEMINATION The study protocol was approved by the Institutional Review Board of Beijing Tiantan Hospital Affiliated to Capital Medical University (No KY2019-091-02) and registered at ClinicalTrials.gov. The results of the trial will be presented at national and international conferences relevant to subject fields and submitted to international peer-reviewed journals. TRIAL REGISTRATION NUMBER Trial registration number: NCT04399343; Pre-results.
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Affiliation(s)
- Xuan He
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Kun-Ming Cheng
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Linlin Zhang
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Hongqiu Gu
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xin Qu
- Department of Neurosurgical Critical Care, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yuan Xu
- Department of Critical Care Medicine, Tsinghua University Affiliated Beijing Tsinghua Changgung Hospital, Beijing, China
| | - Penglin Ma
- Department of Critical Care Medicine, Peking University Third Hospital, Beijing, China
| | - Jian-Xin Zhou
- Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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Lu P, Raynald, Liu W, Gong J, Sun T, Li C, Ma'ruf L, Fan Y, Zhu R, Tian Y. Factors impacting time to diagnosis in pediatric CNS tumors in Chinese children. Support Care Cancer 2020; 29:3633-3642. [PMID: 33179135 DOI: 10.1007/s00520-020-05863-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 10/28/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVE This study aimed to investigate the factors impacting time to diagnosis in pediatric central nervous system tumors. METHODS A descriptive, cross-sectional design was used in this study. A self-developed questionnaire for health-seeking behavior and influencing factors was used in children with intracranial tumors. The factors related to time to diagnosis and the long-term prognosis of children were analyzed. RESULTS A total of 433 families replied to the questionnaire. The median parental interval was 50 days (range 0 ~ 884), the median diagnostic interval was 97 days (range 4 ~ 1646), and the median prediagnostic symptomatic interval (PSI) was 123 days (range 8 ~ 1844). Higher education was associated with a shorter parental interval (mother: P = 0.048; father: P = 0.035). The diagnostic interval was shortened in patients with dizziness (P = 0.022), abnormal eye movement (P = 0.034), or drowsiness (P = 0.021). A shorter PSI was observed in patients who presented with high intracranial pressure such as headache (P = 0.016), dizziness (P = 0.009), or drowsiness (P = 0.023) and those who went to a higher-level health institution or patients who went to neurology or neurosurgery department as the first medical consultation. No statistically significant difference was found in the interval time (parental interval, diagnostic interval, and PSI) regarding patients' outcomes. CONCLUSION Different time intervals showed different factors influencing the long delay in diagnosing central nervous system tumors, highlighting the need for increased awareness to improve the treatment efficacy.
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Affiliation(s)
- Pengwei Lu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Raynald
- Neurointervention Center, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Wei Liu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Jian Gong
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Tao Sun
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Chunde Li
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Lukman Ma'ruf
- Department of Neurosurgery, Central Army Hospital, Jakarta, Indonesia
| | - Yanzhu Fan
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Ruifang Zhu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Yongji Tian
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China.
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The predisposing and precipitating risk factors for delirium in neurosurgery: a prospective cohort study of 949 patients. Acta Neurochir (Wien) 2019; 161:1307-1315. [PMID: 31106393 DOI: 10.1007/s00701-019-03927-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 04/22/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Delirium is the most common neuropsychiatric presentation during hospitalization. In neurosurgery, studies on predisposing and precipitating risk factors for the development of delirium are rare but required for the individual risk estimation. METHODS Prospective cohort study in a tertiary university center. In total, 949 neurosurgical patients, 307 with and 642 without delirium, were included. Demographic factors, neurosurgery-related, neurological, and medical clusters were tested as predictors of delirium in multiple logistic regression analyses. RESULTS The incidence of delirium in this cohort of neurosurgical patients was 32.4%. Compared to patients without delirium, those with delirium were significantly older, more cognitively and neurologically impaired, transferred from hospitals and nursing homes, admitted as emergencies, longer hospitalized (16.2 vs. 9.5 days; p < 0.001), in greater need of intensive care management, and more frequently transferred to rehabilitation. Predisposing factors of delirium were stroke (OR 5.45, CI 2.12-14.0, p < 0.001), cardiac insufficiency (OR 4.59, CI 1.09-19.26, p = 0.038), cerebral neoplasm (OR 1.53, CI 0.92-2.54, p = 0.019), and age ≥ 65 years (OR 1.47, CI 1.03-2.09, p = 0.030). Precipitating factors of delirium were acute cerebral injury (OR 3.91, CI 2.24-6.83, p < 0.001), hydrocephalus (OR 3.10, CI 1.98-4.87, p < 0.001), and intracranial hemorrhage (OR 1.90, CI 1.23-2.94, p = 0.004). CONCLUSIONS Delirium in acute neurosurgical patients was associated with longer hospitalization. Whereas common etiologies of delirium like infections and dementia, did not predict delirium, pre-existing neurovascular and traumatic diseases, as well as surgery-related events seem important risk factors contributing to delirium in neurosurgery.
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