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1.
Aust Crit Care ; 37(4): 651-658, 2024 Jul.
Article in English | MEDLINE | ID: mdl-38102026

ABSTRACT

BACKGROUND: Electronic delirium-screening tools are an emergent area of research. OBJECTIVE: The objective of this study was to summarise the development and performance characteristics of electronic screening tools in delirium. METHODS: Searches were conducted in Pubmed, Embase, and CINAHL Complete databases to identify electronic delirium-screening tools. RESULTS: Five electronic delirium-screening tools were identified and reviewed. Two were designed for and tested within a medical setting, and three were applied to intensive care. Adaptive design features, such as skip function to reduce test burden, were variably integrated into instrument design. All tools were shown to have acceptable psychometric properties, but validation studies were largely incomplete. CONCLUSIONS: Electronic delirium-screening tools are an exciting area of development and may offer hope for improved uptake of delirium screening.


Subject(s)
Delirium , Mass Screening , Psychometrics , Delirium/diagnosis , Humans , Mass Screening/methods
2.
Age Ageing ; 50(4): 1402-1405, 2021 06 28.
Article in English | MEDLINE | ID: mdl-33301574

ABSTRACT

BACKGROUND: recognition of the multifactorial causes of delirium represents a clinical challenge. OBJECTIVES: to develop and show proof of principle of a diagnostic support tool (DST) for identification of causes of delirium. METHODS: stage 1-development of the aetiology in delirium-diagnostic support tool (AiD-DST); stage 2-validation of the AiD-DST against reference standard diagnosis, based on clinical assessment from two independent consultant geriatricians. RESULTS: a series of eight steps AiD-DST were formulated by an expert group to identify possible causes of delirium. Forty inpatients admitted to a general medical unit with a consultant physician/geriatrician diagnosis of delirium were recruited, consented and reviewed against the AiD-DST. Mean age was 85.1 (standard deviation 7.9) years and 26 (65%) of participants were female. Participants had multiple chronic co-morbidities [median Charlson Comorbidity Index 7; interquartile range (IQR 6-9)] and median number of medications was 8 (IQR 6-11.75). Median number of causes of delirium detected on AiD-DST was 3 (IQR 3-4) versus 5 (IQR 3-6) using the reference standard diagnosis, with sensitivity of 88.8% (95% confidence interval, 81.6-93.9%) and specificity of 71.8% (63-79.5%). CONCLUSIONS: the aetiology in delirium DST shows promise in the identification of cause(s) in delirium.


Subject(s)
Delirium , Aged, 80 and over , Delirium/diagnosis , Delirium/etiology , Female , Hospitalization , Humans , Inpatients , Reproducibility of Results , Sensitivity and Specificity
3.
Aust Crit Care ; 34(6): 547-551, 2021 11.
Article in English | MEDLINE | ID: mdl-33766486

ABSTRACT

INTRODUCTION: Delirium, a common complication of an intensive care unit (ICU) admission, is inconsistently diagnosed by clinicians. Current screening tools require specialist expertise and/or training. Some are time-consuming to administer, and reliability in routine clinical practice is questionable. An innovative app designed to enable efficient and sensitive screening for delirium without specialist training (eDIS-ICU) has recently been described. This pilot study compared the eDIS-ICU against the reference standard expert assessment using DSM-V (Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition) criteria and the Confusion Assessment Method for the ICU (CAM-ICU). METHODS: In this prospective, single-centre pilot study, a convenience sample of 29 ICU patients were recruited at a tertiary referral hospital between November 2018 and August 2019. After obtaining written consent, demographic and clinical data were collected, and the patients were screened for delirium using eDIS-ICU and CAM-ICU by two clinician researchers in random order. The patients were also assessed for presence of delirium independently by an expert clinician using a structured interview to diagnose as per DSM-V criteria. The results of screening and diagnosis were tabulated to allow comparison of screening tools against diagnosis; sensitivity and specificity of the tools were calculated. RESULTS: Seven participants were diagnosed with delirium as per DSM-V criteria. The eDIS-ICU tool correctly identified six of these participants compared with two identified by CAM-ICU. The sensitivity of the eDIS-ICU tool was 86% (95% confidence interval [CI] = 81.5-100.0) compared with 29% (95% CI = 5.1-69.7) for CAM-ICU (p < 0.05), and the specificity was 73% (95% CI = 81.5-100.0) versus 96% (95% CI = 75.1-99.8), respectively. CONCLUSION: The simple and novel eDIS-ICU delirium screening tool was noninferior to the CAM-ICU in detecting delirium as per DSM-V criteria. A definitive validation study is warranted.


Subject(s)
Delirium , Mobile Applications , Delirium/diagnosis , Humans , Intensive Care Units , Pilot Projects , Prospective Studies , Reproducibility of Results
4.
J Gerontol Nurs ; 42(5): 19-27, 2016 05 01.
Article in English | MEDLINE | ID: mdl-26870985

ABSTRACT

HOW TO OBTAIN CONTACT HOURS BY READING THIS ARTICLE INSTRUCTIONS 1.2 contact hours will be awarded by Villanova University College of Nursing upon successful completion of this activity. A contact hour is a unit of measurement that denotes 60 minutes of an organized learning activity. This is a learner-based activity. Villanova University College of Nursing does not require submission of your answers to the quiz. A contact hour certificate will be awarded once you register, pay the registration fee, and complete the evaluation form online at http://goo.gl/gMfXaf. To obtain contact hours you must: 1. Read the article, "Associations Between Dehydration, Cognitive Impairment, and Frailty in Older Hospitalized Patients: An Exploratory Study" found on pages 19-27, carefully noting any tables and other illustrative materials that are included to enhance your knowledge and understanding of the content. Be sure to keep track of the amount of time (number of minutes) you spend reading the article and completing the quiz. 2. Read and answer each question on the quiz. After completing all of the questions, compare your answers to those provided within this issue. If you have incorrect answers, return to the article for further study. 3. Go to the Villanova website listed above to register for contact hour credit. You will be asked to provide your name; contact information; and a VISA, MasterCard, or Discover card number for payment of the $20.00 fee. Once you complete the online evaluation, a certificate will be automatically generated. This activity is valid for continuing education credit until April 30, 2019. CONTACT HOURS This activity is co-provided by Villanova University College of Nursing and SLACK Incorporated. Villanova University College of Nursing is accredited as a provider of continuing nursing education by the American Nurses Credentialing Center's Commission on Accreditation. ACTIVITY OBJECTIVES 1. Describe the incidence of dehydration in older hospitalized patients. 2. Identify risk and management strategies related to dehydration in older hospitalized patients. DISCLOSURE STATEMENT Neither the planners nor the author have any conflicts of interest to disclose. The current exploratory study (a) assessed the prevalence of dehydration in older adults (age ≤60 years) with and without cognitive impairment (CI) admitted to the hospital; and (b) examined associations between dehydration, CI, and frailty. Forty-four patients participated and dehydration was assessed within 24 hours of admission and at Day 4 or discharge (whichever occurred first). Patients' cognitive function and frailty statuses were assessed using validated instruments. Twenty-seven (61%) patients had CI and 61% were frail. Prevalence of dehydration at admission was 29% (n = 12) and 21% (n = 9) [corrected] at study exit, and dehydration status did not differ according to CI or frailty status. However, within the non-CI group, significantly more frail than fit patients were dehydrated at admission (p = 0.03). Findings indicate dehydration is common among older hospitalized patients and that frailty may increase the risk for dehydration in cognitively intact older adults. [Journal of Gerontological Nursing, 42(5), 19-27.].


Subject(s)
Dehydration/complications , Frail Elderly , Memory Disorders/complications , Aged , Aged, 80 and over , Female , Humans , Male
5.
BMC Cardiovasc Disord ; 14: 45, 2014 Apr 05.
Article in English | MEDLINE | ID: mdl-24708720

ABSTRACT

BACKGROUND: The incidence of clinically apparent stroke in transcatheter aortic valve implantation (TAVI) exceeds that of any other procedure performed by interventional cardiologists and, in the index admission, occurs more than twice as frequently with TAVI than with surgical aortic valve replacement (SAVR). However, this represents only a small component of the vast burden of neurological injury that occurs during TAVI, with recent evidence suggesting that many strokes are clinically silent or only subtly apparent. Additionally, insult may manifest as slight neurocognitive dysfunction rather than overt neurological deficits. Characterisation of the incidence and underlying aetiology of these neurological events may lead to identification of currently unrecognised neuroprotective strategies. METHODS: The Silent and Apparent Neurological Injury in TAVI (SANITY) Study is a prospective, multicentre, observational study comparing the incidence of neurological injury after TAVI versus SAVR. It introduces an intensive, standardised, formal neurologic and neurocognitive disease assessment for all aortic valve recipients, regardless of intervention (SAVR, TAVI), valve-type (bioprosthetic, Edwards SAPIEN-XT) or access route (sternotomy, transfemoral, transapical or transaortic). Comprehensive monitoring of neurological insult will also be recorded to more fully define and compare the neurological burden of the procedures and identify targets for harm minimisation strategies. DISCUSSION: The SANITY study undertakes the most rigorous assessment of neurological injury reported in the literature to date. It attempts to accurately characterise the insult and sustained injury associated with both TAVI and SAVR in an attempt to advance understanding of this complication and associations thus allowing for improved patient selection and procedural modification.


Subject(s)
Aortic Valve Stenosis/therapy , Cardiac Catheterization/adverse effects , Cerebrovascular Disorders/epidemiology , Cognition Disorders/epidemiology , Heart Valve Prosthesis Implantation/adverse effects , Research Design , Aortic Valve Stenosis/diagnosis , Aortic Valve Stenosis/surgery , Cerebral Infarction/diagnosis , Cerebral Infarction/epidemiology , Cerebrovascular Disorders/diagnosis , Cerebrovascular Disorders/psychology , Clinical Protocols , Cognition , Cognition Disorders/diagnosis , Cognition Disorders/psychology , Diagnostic Imaging/methods , Heart Valve Prosthesis Implantation/methods , Humans , Incidence , Ischemic Attack, Transient/diagnosis , Ischemic Attack, Transient/epidemiology , Neurologic Examination , Neuropsychological Tests , Predictive Value of Tests , Prospective Studies , Queensland , Risk Factors , Stroke/diagnosis , Stroke/epidemiology , Treatment Outcome
6.
Age Ageing ; 43(1): 122-6, 2014 Jan.
Article in English | MEDLINE | ID: mdl-23832264

ABSTRACT

INTRODUCTION: hip fracture is expensive in terms of mortality, hospital length of stay (LOS) and consequences for independence. Poor outcome reflects the vulnerability of patients who typically sustain this injury, but the impact of different comorbidities and impairments is complex to understand. We consider this in a prospective cohort study designed to examine how a patients' frailty index (FI) predicts outcome. METHODOLOGY: consecutive patients with low trauma hip fracture were assessed, excluding only those unfit for surgery. Comprehensive Geriatric Assessment (CGA) findings were used to derive a FI for each patient, which was examined alongside other assessment and outcome data from our National Hip Fracture Database (NHFD) submission for these individuals. RESULTS: we describe 178 patients; mean age 81 years, 73.5% female. The mean FI was 0.34 (SD = 0.16), and logistic regression identified abbreviated mental test score and FI as the strongest predictors of poor outcome. When patients were stratified by FI, 56 (31.5%) were in the low-frailty group (FI ≤0.25), 58 (32.5%) in intermediate (FI >0.25-0.4), and 64 (36%) in the high-FI group (FI >0.4). All the patients in the low-FI group returned to their original residence within a mean of 21.6 days. The mean LOS for the intermediate group was 36.3 days compared with 67.8 days in the high-FI group (P < 0.01) while 30-day mortality was 3.4% for the intermediate group compared with 17.2% for the high-FI group (P < 0.001). CONCLUSIONS: individual CGA findings proved disappointing as outcome predictors, while FI turned out to be a better predictor of mortality, 30-day residence and length of inpatient stay.


Subject(s)
Decision Support Techniques , Frail Elderly , Geriatric Assessment , Hip Fractures/diagnosis , Age Factors , Aged , Aged, 80 and over , Aging , Chi-Square Distribution , Female , Hip Fractures/mortality , Hip Fractures/therapy , Humans , Length of Stay , Logistic Models , Male , Mental Health , Middle Aged , Predictive Value of Tests , Prospective Studies , Risk Factors , Time Factors , Treatment Outcome
7.
Australas J Ageing ; 43(2): 415-419, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38415380

ABSTRACT

OBJECTIVES: Following a user-centred redesign and refinement process of an electronic delirium screening tool (eDIS-MED), further accuracy assessment was performed prior to anticipated testing in the clinical setting. METHODS: Content validity of each of the existing questions was evaluated by an expert group in the domains of clarity, relevance and importance. Questions with a Content Validity Index (CVI) <0.80 were reviewed by the development group for potential revision. Items with CVI <0.70 were discarded. Next, face validity of the entirety of the tests was conducted and readability measured. RESULTS: A panel of five clinical experts evaluated the test battery comprising eDIS-MED. The content validity process endorsed 61 items. The overall scale CVI was 0.92. Eighty-eight per cent of the responses with regard to question relevancy, usefulness and appropriateness were positive. The questions were deemed fifth grade level and very easy to read. CONCLUSIONS: A revised electronic screening tool was shown to be accurate according to an expert group. A clinical validation study is planned.


Subject(s)
Delirium , Mobile Applications , Predictive Value of Tests , Humans , Delirium/diagnosis , Reproducibility of Results , Comprehension
8.
Age Ageing ; 41(2): 242-6, 2012 Mar.
Article in English | MEDLINE | ID: mdl-22301571

ABSTRACT

BACKGROUND: multidisciplinary rehabilitation is of proven benefit in the management of older inpatients. However, the identification of patients who will do well with rehabilitation currently lacks a strong evidence base. OBJECTIVES: the aims of this study were to compare the importance of chronological age, gender, co-morbidities and frailty in the prediction of adverse outcomes for patients admitted to an acute geriatric rehabilitation ward. DESIGN: prospective observational cohort study. SUBJECTS AND SETTING: two hundred and sixty-five patients admitted consecutively to an acute geriatric rehabilitation ward at a tertiary care teaching hospital. METHODS: frailty status was measured by an index of accumulated deficits, giving a potential score from 0 (no deficits) to 1.0 (all 40 deficits present). Patients were stratified into three outcomes: good (discharged to original residence within 28 days), intermediate (discharged to original residence but longer hospital stay) and poor (newly institutionalised or died). RESULTS: patients were old (82.6 ± 8.6 years) and frail (mean frailty index (FI) 0.34 ± 0.09). Frailty status correlated significantly with length of stay and was a predictor of poor functional gain. The odds ratio of intermediate and poor outcome relative to a good outcome was 4.95 (95% CI = 3.21, 7.59; P < 0.001) per unit increase in FI. Chronological age, gender and co-morbidity showed no significant association with outcomes. CONCLUSION: frailty is associated with adverse rehabilitation outcomes. The FI may have clinical utility, augmenting clinical judgement in the management of older inpatients.


Subject(s)
Geriatrics , Hospital Units , Institutionalization , Patient Care Team , Patient Discharge , Age Factors , Aged , Aged, 80 and over , Chi-Square Distribution , Comorbidity , Female , Frail Elderly , Geriatric Assessment , Geriatrics/statistics & numerical data , Health Status Indicators , Hospital Mortality , Hospital Units/statistics & numerical data , Hospitals, Teaching , Humans , Institutionalization/statistics & numerical data , Kaplan-Meier Estimate , Length of Stay , Logistic Models , Male , Multivariate Analysis , Odds Ratio , Patient Discharge/statistics & numerical data , Patient Selection , Prospective Studies , Risk Assessment , Risk Factors , Sex Factors , Treatment Outcome , Wales
9.
Age Ageing ; 41(3): 412-6, 2012 May.
Article in English | MEDLINE | ID: mdl-22391613

ABSTRACT

BACKGROUND: delirium and frailty are common among hospitalised older people but delirium is often missed and frailty considered difficult to measure in clinical practice. OBJECTIVE: to explore the relationship between delirium and frailty in older inpatients and determine their impact on survival. DESIGN AND SETTING: the prospective cohort study of 273 patients aged ≥75 years. MEASURES: patients were screened for delirium at presentation and on alternate days throughout their hospital stay. Frailty status was measured by an index of accumulated deficits (FI), giving a potential score from 0 (no deficits) to 1.0 (all 33 deficits), with 0.25 used as the cut-off between 'fit' and 'frail'. RESULTS: delirium was detected in 102 patients (mean FI: 0.33) and excluded in 171 (mean FI: 0.18) (P < 0.005); 111 patients were frail. Among patients with delirium, the median survival in fit patients was 359 days (95% CI: 118-600) compared with 88 days for those who were frail (95% CI: 5-171; P < 0.05). CONCLUSION: delirium was associated with higher levels of frailty: the identification of frail patients may help to target those at a greatest risk of delirium. Survival following delirium was poor with the combination of frailty and delirium conferring a particularly bleak prognosis.


Subject(s)
Aging/psychology , Delirium/mortality , Frail Elderly/statistics & numerical data , Inpatients/statistics & numerical data , Aged , Aged, 80 and over , Delirium/diagnosis , Delirium/psychology , Female , Frail Elderly/psychology , Geriatric Assessment , Humans , Inpatients/psychology , Kaplan-Meier Estimate , Male , Prognosis , Proportional Hazards Models , Prospective Studies , Risk Assessment , Risk Factors , Time Factors , Wales/epidemiology
10.
Neuroimage Clin ; 34: 102992, 2022.
Article in English | MEDLINE | ID: mdl-35344804

ABSTRACT

Dysfunction of the cholinergic basal forebrain (BF) neurotransmitter system, including cholinergic axon denervation of the cortex, plays an important role in cognitive decline and dementia. A validated method to directly quantify cortical cholinergic terminal integrity enables exploration of the involvement of this system in diverse cognitive profiles associated with dementia, particularly at a prodromal stage. In this study, we used the radiotracer [18F]-fluoroethoxybenzovesamicol (FEOBV) as a direct measure of cholinergic terminal integrity and investigated its value for the assessment of cholinergic denervation in the cortex and associated cognitive deficits. Eighteen participants (8 with mild cognitive impairment (MCI) and 10 cognitively unimpaired controls) underwent neuropsychological assessment and brain imaging using FEOBV and [18F]-florbetaben for amyloid-ß imaging. The MCI group showed a significant global reduction of FEOBV retention in the cortex and in the parietal and occipital cortices specifically compared to the control group. The global cortical FEOBV retention of all participants positively correlated with the BF, hippocampus and grey matter volumes, but no association was found between the global FEOBV retention and amyloid-ß status. Topographic profiles from voxel-wise analysis of FEOBV images revealed significant positive correlations with the cognitive domains associated with the underlying cortical areas. Overlapping profiles of decreased FEOBV were identified in correlation with impairment in executive function, attention and language, which covered the anterior cingulate gyrus, olfactory cortex, calcarine cortex, middle temporal gyrus and caudate nucleus. However, the absence of cortical atrophy in these areas suggested that reduced cholinergic terminal integrity in the cortex is an important factor underlying the observed cognitive decline in early dementia. Our results provide support for the utility and validity of FEOBV PET for quantitative assessment of region-specific cholinergic terminal integrity that could potentially be used for early detection of cholinergic dysfunction in dementia following further validation in larger cohorts.


Subject(s)
Alzheimer Disease , Basal Forebrain , Cognitive Dysfunction , Dementia , Alzheimer Disease/diagnosis , Amyloid beta-Peptides , Cholinergic Agents , Cognitive Dysfunction/diagnostic imaging , Humans , Magnetic Resonance Imaging , Piperidines , Positron-Emission Tomography/methods
11.
J Gen Intern Med ; 26(12): 1471-8, 2011 Dec.
Article in English | MEDLINE | ID: mdl-21845488

ABSTRACT

BACKGROUND: Archetypal symptoms and signs are commonly absent in frail older people who are acutely unwell. This challenges both recognition of illness and monitoring of disease progression in people at high risk of prolonged hospital stays, institutionalization and death. OBJECTIVE: To determine whether bedside assessment of balance and mobility could track acute changes in the health status of older people admitted to hospital. DESIGN: Prospective cohort study. PARTICIPANTS: Four hundred nine patients, with a mean age of 81.8 years, admitted to general medical and rehabilitation wards at a tertiary care teaching hospital in Halifax, Nova Scotia. No patient refused assessment, and the only exclusion criterion was age. INTERVENTIONS: The Hierarchical Assessment of Balance and Mobility (HABAM) was completed daily during the first 2 weeks of admission. For each patient, frailty status was measured on admission by a Frailty Index based on a Comprehensive Geriatric Assessment (FI-CGA). MAIN MEASURES: Death and discharge destination. KEY RESULTS: Poor performance in balance, transfers and mobility was associated with adverse outcomes. Forty-eight percent of patients with the lowest scores in all three domains died, compared with none with the highest scores. The relative risk of death for people who deteriorated during the first 48 h of admission was 17.1 (95% confidence interval: 4.9-60.3). Changes in HABAM scores were related to the discharge destination: patients discharged home showed the greatest rate of improvement, whereas those discharged to institutions stabilised at a lower level of performance. Fitter patients tended to have better performance on admission and faster recovery. CONCLUSIONS: Daily bedside observation of mobility and balance allows assessment of acute changes in the health of older people. Frailty slows recovery of mobility and balance, and reduces recovery potential. By identifying patients most vulnerable to adverse outcomes, the HABAM and FI-CGA may facilitate risk stratification in older people admitted to hospital.


Subject(s)
Geriatric Assessment/methods , Hospitalization , Mobility Limitation , Postural Balance/physiology , Recovery of Function/physiology , Severity of Illness Index , Activities of Daily Living/psychology , Aged , Aged, 80 and over , Cohort Studies , Female , Frail Elderly/psychology , Hospitalization/trends , Humans , Male , Prospective Studies
12.
J Palliat Care ; 27(1): 12-9, 2011.
Article in English | MEDLINE | ID: mdl-21510127

ABSTRACT

BACKGROUND: Despite the impact and importance of end-of-life discussions, little is known about how physicians discuss cardiopulmonary resuscitation (CPR) with patients and their families. The necessary components for successful communication about CPR are poorly understood and an established framework to structure these conversations is lacking. Here, we were motivated to understand how physicians approach resuscitation planning with families when older patients have limited life expectancy and a high burden of illness. METHOD: Qualitative analysis was conducted of semi-structured interviews of 28 physicians of varying medical sub-specialties in a tertiary care hospital. RESULTS: Most physicians explored the surrogates' goals and values, but few provided explicit information about the patients' overall health status or expected long-term health outcome related to CPR and underlying illnesses. CONCLUSION: There is considerable heterogeneity in physicians' approaches to CPR discussions. The principle of autonomy is dominant with less emphasis on providing adequate information for effective decision-making.


Subject(s)
Cardiopulmonary Resuscitation , Frail Elderly , Medicine , Professional-Family Relations , Aged , Decision Making , Female , Humans , Interviews as Topic , Male , Qualitative Research
13.
Aging Med (Milton) ; 4(3): 193-200, 2021 Sep.
Article in English | MEDLINE | ID: mdl-34553116

ABSTRACT

BACKGROUND: Persons with dementia commonly experience a range of behavioural and psychological symptoms, including agitation, aggression, perceptual disturbances, and depression. While psychotropic medications are regularly prescribed to mitigate these symptoms, these agents also carry a broad adverse effect profile. This study aimed to characterize psychotropic medication use in patients with dementia, as well as identify prescribing factors associated with falls in this cohort. METHODS: This retrospective study collected longitudinal demographic and medication data from all patients admitted to a neuro-cognitive unit at an Australian metropolitan hospital over a 2-year period. Psychotropic polypharmacy and psychotropic agent use per patient-fortnight were investigated for their association with inpatient falls. RESULTS: All patients (n = 147) were prescribed at least one psychotropic medication, with 96% receiving anti-psychotic medications and 90% receiving benzodiazepines. Patient fall rate was significantly associated with anticholinergic drug use (Incidence rate ratio: 2.2; P < .001), as well as concomitant use of ≥5 daily psychotropic agents (Incidence rate ratio: 3.1; P = .001). CONCLUSIONS: Patients with dementia are routinely prescribed a wide variety of psychotropic medications. Use of anticholinergic drugs and psychotropic polypharmacy are correlated with fall incidence in persons with dementia.

15.
Age Ageing ; 39(4): 470-5, 2010 Jul.
Article in English | MEDLINE | ID: mdl-20554540

ABSTRACT

BACKGROUND: Delirium is a disorder affecting consciousness, which gives rise to core clinical features and associated symptoms. Older patients are particularly prone, owing to higher rates of pre-existing cognitive impairment, frailty, co-morbidity and polypharmacy. OBJECTIVES: The aim of this study was to investigate the hypotheses that delirium affects the most vulnerable older adults and is associated with long-term adverse health outcome. METHODS: This prospective cohort study evaluated 278 medical patients aged > or = 75 years admitted acutely to a district general hospital in South Wales. Patients were screened for delirium at presentation and on alternate days throughout their hospital stay. Assessments also included illness severity, preadmission cognition, co-morbidity and functional status. Patients were followed for 5 years to determine rates of institutionalisation and mortality. Number of days in hospital in the 4 years prior to and 5 years after index admission were recorded. RESULTS: Delirium was detected in 103 patients and excluded in 175. Median time to death was 162 days (interquartile range 21-556) for those with delirium compared with 1,444 days (25% mortality 435 days, 75% mortality>5 years) for those without (P < 0.001). After adjusting for multiple confounders, delirium was associated with an increased risk of death (hazard ratio range 2.0-3.5; P < or = 0.002). Institutionalisation was higher in the first year following delirium (P = 0.03). While those with delirium tended to be older with more preadmission cognitive impairment, greater functional dependency and more co-morbidity, they did not spend more days in hospital in the 4 years prior to index admission. CONCLUSIONS: Delirium is associated with high rates of institutionalisation and an increased risk of death up to 5 years after index event. Prior to delirium, individuals seem to compensate for their vulnerability. The impact of delirium itself, directly or indirectly, may convert vulnerability into adverse outcome.


Subject(s)
Delirium/mortality , Hospitals/statistics & numerical data , Length of Stay/statistics & numerical data , Activities of Daily Living , Aged , Aged, 80 and over , Cognition Disorders/epidemiology , Cohort Studies , Female , Frail Elderly/statistics & numerical data , Geriatric Assessment/statistics & numerical data , Humans , Male , Polypharmacy , Prospective Studies , Severity of Illness Index , Wales/epidemiology
16.
Med Hypotheses ; 144: 110260, 2020 Nov.
Article in English | MEDLINE | ID: mdl-33254566

ABSTRACT

Delirium is a common disorder in hospitalized older adults and the defining characteristic is a disturbance of consciousness. Unfortunately, there are currently no testable measures of consciousness as pertains to its disruption in delirium. Not surprisingly rates of recognition of delirium suffer. Arguably, a greater understanding of the quantum of consciousness may improve delirium diagnosis through better diagnostic tools. Candidate dimensions of consciousness derived from fields of psychology, psychiatry, and philosophy are discussed and relevance to delirium explored. Based upon existing literature in the field of consciousness we identify the pre-reflective state, experiential awareness, and functional networks as candidate sites that may be affected in delirium. Opportunities for clinical instrument development and how these tools can be tested are discussed. We conclude that consciousness content may not hold to a unitary measurement, but facets of its integrity that are impacted in delirium are open to further exploration. Disorders in pre-reflective status, experiential awareness, and functional networks may represent the measurable "rabbit holes" of consciousness disturbance.


Subject(s)
Consciousness , Delirium , Aged , Delirium/diagnosis , Humans , Philosophy
17.
Australas J Ageing ; 39(2): e215-e219, 2020 Jun.
Article in English | MEDLINE | ID: mdl-31925918

ABSTRACT

OBJECTIVE: To evaluate the safety (mortality and readmissions) and efficiency (length of stay) of the hospital-in-the-home delirium pathway (THDP) compared with hospital-based care. METHODS: Patients admitted to THDP were compared against an age-matched cohort of patients with delirium managed entirely in hospital. Outcome data were obtained through retrospective chart review, and hospital coding was used to identify controls. RESULTS: Ninety-six patients were included in this study, of which 46 were managed on THDP. There was a significant frailty and co-morbidity burden with no differences in the demographic profile between groups. Inpatient length of stay was shorter on THDP (THDP mean 8 days, control 11 days; P = .02). One-month mortality was 13% in THDP compared with 24% in the control group (P = .2). One-month readmission was 30% in THDP and 18% in the control group (P = .23). CONCLUSION: The hospital-in-the-home delirium pathway is a promising alternative to in-hospital delirium care for selected patients.


Subject(s)
Delirium , Home Care Services , Australia , Delirium/diagnosis , Delirium/therapy , Hospitals , Humans , Length of Stay , Retrospective Studies
18.
Can J Aging ; 39(1): 89-97, 2020 03.
Article in English | MEDLINE | ID: mdl-32008599

ABSTRACT

Le délirium est un problème de santé majeur aux conséquences potentiellement graves. Malheureusement, la prise en charge de ce trouble est souvent sous-optimale. Nous considérons que les lacunes dans les soins offerts aux patients avec délirium sont liées aux particularités de cette condition, qui affecte la perception du « soi ¼ de la personne qui en souffre. Cette atteinte entraîne un comportement hors de contrôle chez la personne avec délirium et l'expose à une déshumanisation mécaniste. Une solution consisterait à favoriser une vision élargie du « soi ¼, inspirée de la philosophie et des sciences cognitives récentes, afin d'aider les cliniciens dans la compréhension du comportement pathologique en tant que manifestation de la perturbation de la pensée. Une approche centrée sur l'éthique des soins, intégrant un nouveau cadre pour la relation patient-soignant, est proposée. Considérées dans leur ensemble, les propositions novatrices émises pourraient faciliter l'élaboration d'un cadre de pratiques et de relations plus attentionnées et plus efficaces pour le traitement du délirium.Delirium is a major health care problem with potentially serious consequences. Sub-optimal management is an unfortunate but pervasive hallmark of the disorder. We argue that lapses in the care of delirious patients are related to the peculiarities of delirium as a disorder that affects the "self" of the sufferer. Therefore, corruption of self renders behaviour outside the control of the delirious individual and places the person at risk of mechanistic dehumanisation. A proposed solution is to foster an expanded view of the self, taken from recent philosophy and cognitive science, which would allow the clinician to understand pathological behaviour as indicative of disruption to thought. An ethics of care approach that reframes the patient/carer relationship is proposed. These unique propositions could, together, facilitate the development of a framework of more caring and effective practices and relationships for delirium treatment.


Subject(s)
Delirium/therapy , Delivery of Health Care/standards , Aged , Dehumanization , Delirium/diagnosis , Health Knowledge, Attitudes, Practice , Humans
19.
Australas J Ageing ; 37(2): 147-150, 2018 Jun.
Article in English | MEDLINE | ID: mdl-29602189

ABSTRACT

OBJECTIVES: Delirium is common in the intensive care unit (ICU), often affecting older patients. A bedside electronic tool has the potential to revolutionise delirium screening. Our group describe a novel approach to the design and development of delirium screening questions for the express purpose of use within an electronic device. Preliminary results are presented. METHODS: Our group designed a series of tests which targeted the clinical criteria for delirium according to Diagnostic and Statistical Manual of Mental Disorders - Fifth Edition (DSM-5) criteria against predefined requirements, including applicability to older patients. RESULTS: Candidate questions, including tests of attention and awareness, were devised and then refined by an expert multidisciplinary group, including geriatricians. A scoring scheme was constructed, with testing to failure an indicator of delirium. The device was tested in healthy controls, aged 20-80 years, who were recorded as being without delirium. CONCLUSION: e-Screening for delirium requires a novel approach to instrument design but may revolutionise recognition of delirium in ICU.


Subject(s)
Critical Care/methods , Decision Support Techniques , Delirium/diagnosis , Intensive Care Units , Surveys and Questionnaires , Telemedicine/methods , Adult , Aged , Aged, 80 and over , Attention , Awareness , Delirium/psychology , Female , Healthy Volunteers , Humans , Male , Middle Aged , Predictive Value of Tests , Preliminary Data , Prognosis , Reproducibility of Results , Young Adult
20.
Australas J Ageing ; 36(4): E64-E69, 2017 Dec.
Article in English | MEDLINE | ID: mdl-29028151

ABSTRACT

OBJECTIVES: Implementation research into delirium care is lacking. Exploiting known practice barriers to understand what management strategies work best in delirium is a means of prioritising care interventions. A consensus approach to determining priority interventions in delirium was derived and related to reference standards in health-care practice. METHODS: A workshop of 20 experts was held at the Australasian Delirium Association conference 2016. Structured small group work, iterative ranking and a 21-member check were undertaken to (i) explore research barriers in delirium care; (ii) explore how barriers related to individual items of multicomponent interventions; and (iii) rank multicomponent interventions in relation to each statement within the newly released Australian Commission on Safety and Quality in Health Care delirium standard. RESULTS: Top-ranking interventions included the following: education and training, comprehensive geriatric assessment, family partnerships, individualised care and multidisciplinary engagement. CONCLUSION: Delirium experts identified a minimum standard of any care intervention for delirium.


Subject(s)
Delirium/therapy , Evidence-Based Medicine/standards , Geriatrics/standards , Aged , Aged, 80 and over , Consensus , Cooperative Behavior , Delirium/diagnosis , Delirium/psychology , Diagnosis, Differential , Geriatric Assessment , Geriatrics/education , Humans , Interdisciplinary Communication , Middle Aged , Patient Care Team/standards , Patient-Centered Care/standards , Predictive Value of Tests , Professional-Family Relations
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