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Oxbøll AB, Jørgensen K, Nielsen TR, Christiansen SD, Nielsen A, Waldorff FB, Waldemar G. Diagnostic accuracy of BASIC-Q for detection of cognitive impairment in a primary care setting - a cross-validation study. BMC Geriatr 2024; 24:53. [PMID: 38212693 PMCID: PMC10785536 DOI: 10.1186/s12877-024-04675-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 01/04/2024] [Indexed: 01/13/2024] Open
Abstract
OBJECTIVES This study aims to evaluate the diagnostic accuracy and reliability of a new, brief questionnaire, 'Brief Assessment of Impaired Cognition- Questionnaire' (BASIC-Q) for detection of cognitive impairment, primarily developed for use in primary care. BASIC-Q has three components: Self-report, Informant report, and Orientation. Self-report and Orientation are completed by the individual and Informant report is answered by a close relative. METHODS We included 275 participants ≥ 70 years, without a prior diagnosis of dementia, and with a close relative who agreed to participate as an informant. Participants were included prospectively in 14 general practices in urban and rural Denmark using a convenience sampling method. The Repeatable Battery for the Assessment of Neuropsychological Status (RBANS), the informant-completed Functional Activities Questionnaire (FAQ) and reported memory concern were used as a reference standard for the classification of the participants' cognitive function. RESULTS BASIC-Q demonstrated a fair to good diagnostic accuracy to differentiate between people with cognitive impairment and normal cognition with an area under the ROC curve (AUC) of 0.84 (95% CI 0.79-0.89) and a sensitivity and specificity of 0.80 (95% CI 0.72-0.87) and 0.71 (95% CI 0.63-0.78). A prorated BASIC-Q score derived from BASIC-Q without Informant report had significantly lower classification accuracy than the full BASIC-Q. The test-retest reliability of BASIC-Q was good with an intraclass correlation coefficient of 0.84. CONCLUSION BASIC-Q is a brief, easy-to-use questionnaire for identification of cognitive impairment in older adults. It demonstrated fair to good classification accuracy in a general practice setting and can be a useful case-finding tool when suspecting dementia in primary health care.
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Affiliation(s)
- Anne-Britt Oxbøll
- Danish Dementia Research Centre, Department of Neurology, Copenhagen University Hospital- Rigshospitalet, Copenhagen, Denmark.
| | - Kasper Jørgensen
- Danish Dementia Research Centre, Department of Neurology, Copenhagen University Hospital- Rigshospitalet, Copenhagen, Denmark
| | - T Rune Nielsen
- Danish Dementia Research Centre, Department of Neurology, Copenhagen University Hospital- Rigshospitalet, Copenhagen, Denmark
| | - Sofie D Christiansen
- Section of General Practice, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Ann Nielsen
- Danish Dementia Research Centre, Department of Neurology, Copenhagen University Hospital- Rigshospitalet, Copenhagen, Denmark
| | - Frans B Waldorff
- Section of General Practice, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Gunhild Waldemar
- Danish Dementia Research Centre, Department of Neurology, Copenhagen University Hospital- Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Carlsson CJ, Nørgaard K, Oxbøll AB, Søgaard MIV, Achiam MP, Jørgensen LN, Eiberg JP, Palm H, Sørensen HBD, Meyhof CS, Aasvang EK. Continuous Glucose Monitoring Reveals Perioperative Hypoglycemia in Most Patients With Diabetes Undergoing Major Surgery: A Prospective Cohort Study. Ann Surg 2023; 277:603-611. [PMID: 35129526 DOI: 10.1097/sla.0000000000005246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To investigate the frequency and duration of hypo- and hyperglycemia, assessed by continuous glucose monitoring (CGM) during and after major surgery, in departments with implemented diabetes care protocols. SUMMARY BACKGROUND DATA Inadequate glycemic control in the perioperative period is associated with serious adverse events, but monitoring currently relies on point blood glucose measurements, which may underreport glucose excursions. METHODS Adult patients without (A) or with diabetes [non-insulin-treated type 2 (B), insulin-treated type 2 (C) or type 1 (D)] undergoing major surgery were monitored using CGM (Dexcom G6), with an electrochemical sensor in the interstitial fluid, during surgery and for up to 10 days postoperatively. Patients and health care staff were blinded to CGM values, and glucose management adhered to the standard diabetes care protocol. Thirty-day postoperative serious adverse events were recorded. The primary outcome was duration of hypoglycemia (glucose <70 mg/dL). Clinicaltrials.gov: NCT04473001. RESULTS Seventy patients were included, with a median observation time of 4.0 days. CGM was recorded in median 96% of the observation time. The median daily duration of hypoglycemia was 2.5 minutes without significant difference between the 4 groups (A-D). Hypoglycemic events lasting ≥15 minutes occurred in 43% of all patients and 70% of patients with type 1 diabetes. Patients with type 1 diabetes spent a median of 40% of the monitoring time in the normoglycemic range 70 to 180 mg/dL and 27% in the hyperglycemic range >250 mg/dL. Duration of preceding hypo- and hyperglycemia tended to be longer in patients with serious adverse events, compared with patients without events, but these were exploratory analyses. CONCLUSIONS Significant duration of both hypo- and hyperglycemia was detected in high proportions of patients, particularly in patients with diabetes, despite protocolized perioperative diabetes management.
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Affiliation(s)
- Christian J Carlsson
- Department of Anaesthesia and Intensive Care, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, Copenhagen, Denmark
- Copenhagen Center for Translational Research, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Kirsten Nørgaard
- Steno Diabetes Center Copenhagen, Gentofte, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Anne-Britt Oxbøll
- Department of Anaesthesia and Intensive Care, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, Copenhagen, Denmark
- Copenhagen Center for Translational Research, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Mette I V Søgaard
- Department of Surgery & Transplantation, Centre for Cancer and Organ Diseases, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Michael P Achiam
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Department of Anesthe-siology, Centre for Cancer and Organ Diseases, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Lars N Jørgensen
- Digestive Disease Center, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Jonas P Eiberg
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Department of Vascular Surgery, Heart Centre, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
- Copenhagen Academy for Medical Education and Simulation (CAMES), The Capital Region of Denmark, Copenhagen, Denmark
| | - Henrik Palm
- Department of Orthopaedic Surgery, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Helge B D Sørensen
- Department of Health Technology, Technical University of Denmark, Lyngby, Denmark
| | - Christian S Meyhof
- Department of Anaesthesia and Intensive Care, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, Copenhagen, Denmark
- Copenhagen Center for Translational Research, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Eske K Aasvang
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Department of Anesthe-siology, Centre for Cancer and Organ Diseases, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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Jørgensen K, Nielsen TR, Nielsen A, Waldorff FB, Høgh P, Gottrup H, Vestergaard K, Oxbøll AB, Waldemar G. Validity of the Brief Assessment of Impaired Cognition case-finding instrument for identification of dementia subgroups and staging of dementia. Eur J Neurol 2023; 30:578-586. [PMID: 36380695 PMCID: PMC10107638 DOI: 10.1111/ene.15636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/02/2022] [Accepted: 11/11/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND AND PURPOSE The aims of this study were to examine the psychometric properties of the Brief Assessment of Impaired Cognition (BASIC) case-finding instrument in clinical settings focusing on (i) test-retest reliability, (ii) the discriminative validity of BASIC and its components for identification of Alzheimer disease (AD) dementia and non-AD dementia, and (iii) the association of expert clinical rating of cognitive status with BASIC performance. METHODS The test-retest reliability analysis was based on a sample of general practice patients (n = 59) retested with a mean interval of 19 days. Discriminative validity analyses and analysis of the association of cognitive status with BASIC performance were based on data from the primary validation study of BASIC in memory clinics. RESULTS The test-retest reliability of BASIC was high (r = 0.861). No significant difference in discriminative validity was found for identification of AD dementia (sensitivity = 0.99, specificity = 0.98) and non-AD dementia (sensitivity = 0.90, specificity = 0.98). All components of BASIC contributed to the high discriminative validity of both AD and non-AD dementia. BASIC performance was significantly correlated with expert clinical rating of the cognitive status of patients. A crude staging model for cognitive status using BASIC score intervals had superior classification accuracy (70%) compared to a Mini-Mental State Examination (MMSE) score range-based model (58% accuracy). CONCLUSIONS BASIC is a reliable and valid case-finding instrument for AD dementia and non-AD dementia in clinical settings. BASIC performance is significantly associated with the degree of cognitive impairment, and BASIC seems to be superior to MMSE for staging of impairment.
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Affiliation(s)
- Kasper Jørgensen
- Danish Dementia Research Centre, Department of Neurology, University of Copenhagen-Rigshospitalet, Copenhagen, Denmark
| | - Thomas Rune Nielsen
- Danish Dementia Research Centre, Department of Neurology, University of Copenhagen-Rigshospitalet, Copenhagen, Denmark
| | - Ann Nielsen
- Danish Dementia Research Centre, Department of Neurology, University of Copenhagen-Rigshospitalet, Copenhagen, Denmark
| | - Frans Boch Waldorff
- Section of General Practice, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Peter Høgh
- Department of Neurology, Zealand University Hospital, Roskilde, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Hanne Gottrup
- Dementia Clinic, Department of Neurology, Aarhus University Hospital, Aarhus, Denmark
| | - Karsten Vestergaard
- Dementia Clinic, Department of Neurology, Aalborg University Hospital, Aalborg, Denmark
| | - Anne-Britt Oxbøll
- Danish Dementia Research Centre, Department of Neurology, University of Copenhagen-Rigshospitalet, Copenhagen, Denmark
| | - Gunhild Waldemar
- Danish Dementia Research Centre, Department of Neurology, University of Copenhagen-Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Grønbaek KK, Rasmussen SM, Langer NH, Vincentz M, Oxbøll AB, Søgaard M, Awada HN, Jensen TO, Jensen MT, Sørensen HBD, Aasvang EK, Meyhoff CS. Continuous monitoring is superior to manual measurements in detecting vital sign deviations in patients with COVID-19. Acta Anaesthesiol Scand 2023; 67:640-648. [PMID: 36852515 DOI: 10.1111/aas.14221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 03/01/2023]
Abstract
BACKGROUND Patients admitted to the emergency care setting with COVID-19-infection can suffer from sudden clinical deterioration, but the extent of deviating vital signs in this group is still unclear. Wireless technology monitors patient vital signs continuously and might detect deviations earlier than intermittent measurements. The aim of this study was to determine frequency and duration of vital sign deviations using continuous monitoring compared to manual measurements. A secondary analysis was to compare deviations in patients admitted to ICU or having fatal outcome vs. those that were not. METHODS Two wireless sensors continuously monitored (CM) respiratory rate (RR), heart rate (HR), and peripheral arterial oxygen saturation (SpO2 ). Frequency and duration of vital sign deviations were compared with point measurements performed by clinical staff according to regional guidelines, the National Early Warning Score (NEWS). RESULTS SpO2 < 92% for more than 60 min was detected in 92% of the patients with CM vs. 40% with NEWS (p < .00001). RR > 24 breaths per minute for more than 5 min were detected in 70% with CM vs. 33% using NEWS (p = .0001). HR ≥ 111 for more than 60 min was seen in 51% with CM and 22% with NEWS (p = .0002). Patients admitted to ICU or having fatal outcome had longer durations of RR > 24 brpm (p = .01), RR > 21 brpm (p = .01), SpO2 < 80% (p = .01), and SpO2 < 85% (p = .02) compared to patients that were not. CONCLUSION Episodes of desaturation and tachypnea in hospitalized patients with COVID-19 infection are common and often not detected by routine measurements.
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Affiliation(s)
- Katja Kjaer Grønbaek
- Department of Anaesthesia and Intensive Care, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark
| | - Søren Møller Rasmussen
- Biomedical Signal Processing and AI Group, Digital Health Section, Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Natasha Hemicke Langer
- Department of Anaesthesia and Intensive Care, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark
| | - Mette Vincentz
- Department of Anesthesiology, Center for Cancer and Organ Disease, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Anne-Britt Oxbøll
- Department of Anaesthesia and Intensive Care, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark
| | - Marlene Søgaard
- Department of Anaesthesia and Intensive Care, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark
| | - Hussein Nasser Awada
- Department of Anesthesiology, Center for Cancer and Organ Disease, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Tomas O Jensen
- Department of Pulmonary and Infectious Diseases, Copenhagen University Hospital - North Zealand Hospital, Copenhagen, Denmark.,Center of Excellence for Health, Immunity, and Infections, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Magnus Thorsten Jensen
- Department of Cardiology, Copenhagen University Hospital Amager and Hvidovre Hospital, Copenhagen, Denmark
| | - Helge B D Sørensen
- Biomedical Signal Processing and AI Group, Digital Health Section, Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Eske Kvanner Aasvang
- Department of Anesthesiology, Center for Cancer and Organ Disease, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Christian Sylvest Meyhoff
- Department of Anaesthesia and Intensive Care, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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