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van der Wal LI, Grim CCA, Del Prado MR, van Westerloo DJ, Schultz MJ, Helmerhorst HJF, de Vries MC, de Jonge E. Perspectives of ICU Patients on Deferred Consent in the Context of Post-ICU Quality of Life: A Substudy of a Randomized Clinical Trial. Crit Care Med 2024; 52:694-703. [PMID: 38180043 PMCID: PMC11008447 DOI: 10.1097/ccm.0000000000006184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
OBJECTIVES Deferred consent enables research to be conducted in the ICU when patients are unable to provide consent themselves, and there is insufficient time to obtain consent from surrogates before commencing (trial) treatment. The aim of this study was to evaluate how former ICU patients reflect on their participation in a study with deferred consent and examine whether their opinions are influenced by the quality of life (QoL) following hospital discharge. DESIGN Survey study by questionnaire. SETTING Eight ICUs in The Netherlands. PATIENTS Former ICU patients who participated in the ICONIC trial, a multicenter randomized clinical trial that evaluated oxygenation targets in mechanically ventilated ICU patients. INTERVENTIONS Participants enrolled in the ICONIC trial in one of the eight participating centers in The Netherlands received a questionnaire 6 months after randomization. The questionnaire included 12 close-ended questions on their opinion about the deferred consent procedure. QoL was measured using the EQ-5D-5L questionnaire. By calculating the EQ-5D index, patients were divided into four QoL quartiles, where Q1 reflects the lowest and Q4 is the highest. MEASUREMENTS AND MAIN RESULTS Of 362 participants who were contacted, 197 responded (54%). More than half of the respondents (59%) were unaware of their participation in the ICONIC study. In total 61% were content with the deferred consent procedure, 1% were not content, 25% neutral, 9% did not know, and 9% answered "other." Those with a higher QoL were more likely to be content ( p = 0.02). In all QoL groups, the legal representative was the most often preferred individual to provide consent. CONCLUSIONS Former ICU patients who participated in the ICONIC study often did not remember their participation but were predominantly positive regarding the use of deferred consent. Those with a higher QoL were most likely to be content.
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Affiliation(s)
- L Imeen van der Wal
- Department of Intensive Care, Leiden University Medical Centre, Leiden, The Netherlands
- Department of Anaesthesiology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Chloe C A Grim
- Department of Intensive Care, Leiden University Medical Centre, Leiden, The Netherlands
- Department of Anaesthesiology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Michael R Del Prado
- Department of Intensive Care, Leiden University Medical Centre, Leiden, The Netherlands
| | - David J van Westerloo
- Department of Intensive Care, Leiden University Medical Centre, Leiden, The Netherlands
| | - Marcus J Schultz
- Department of Intensive Care, Leiden University Medical Centre, Leiden, The Netherlands
- Department of Anaesthesiology, Leiden University Medical Centre, Leiden, The Netherlands
- Department of Intensive Care, Amsterdam University Medical Centre, Location AMC, Amsterdam, The Netherlands
- Mahidol-Oxford Tropical Medicine Research Unit (MORU), Mahidol University, Bangkok, Thailand
- Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
- Department of Medical Ethics and Health Law, Leiden University Medical Centre, Leiden, The Netherlands
| | - Hendrik J F Helmerhorst
- Department of Intensive Care, Leiden University Medical Centre, Leiden, The Netherlands
- Department of Anaesthesiology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Martine C de Vries
- Department of Medical Ethics and Health Law, Leiden University Medical Centre, Leiden, The Netherlands
| | - Evert de Jonge
- Department of Intensive Care, Leiden University Medical Centre, Leiden, The Netherlands
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2
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Dippel DWJ, Warach SJ. Deferral of Consent in Randomized Clinical Trials of Acute Stroke: Ethical, Methodologic, and Practical Challenges. Neurology 2023; 100:273-274. [PMID: 36414422 DOI: 10.1212/wnl.0000000000201724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 11/09/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Diederik W J Dippel
- From the Department of Neurology (D.W.J.D.), Erasmus University Medical Center Rotterdam, the Netherlands; and Department of Neurology (S.J.W.), Dell Medical School, The University of Texas at Austin.
| | - Steven J Warach
- From the Department of Neurology (D.W.J.D.), Erasmus University Medical Center Rotterdam, the Netherlands; and Department of Neurology (S.J.W.), Dell Medical School, The University of Texas at Austin
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3
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Morotti A, Boulouis G, Dowlatshahi D, Li Q, Shamy M, Al-Shahi Salman R, Rosand J, Cordonnier C, Goldstein JN, Charidimou A. Intracerebral haemorrhage expansion: definitions, predictors, and prevention. Lancet Neurol 2023; 22:159-171. [PMID: 36309041 DOI: 10.1016/s1474-4422(22)00338-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 08/04/2022] [Accepted: 08/09/2022] [Indexed: 12/05/2022]
Abstract
Haematoma expansion affects a fifth of patients within 24 h of the onset of acute intracerebral haemorrhage and is associated with death and disability, which makes it an appealing therapeutic target. The time in which active intervention can be done is short as expansion occurs mostly within the first 3 h after onset. Baseline haemorrhage volume, antithrombotic treatment, and CT angiography spot signs are each associated with increased risk of haematoma expansion. Non-contrast CT features are promising predictors of haematoma expansion, but their potential contribution to current models is under investigation. Blood pressure lowering and haemostatic treatment minimise haematoma expansion but have not led to improved functional outcomes in randomised clinical trials. Ultra-early enrolment and selection of participants on the basis of non-contrast CT imaging markers could focus future clinical trials to show clinical benefit in people at high risk of expansion or investigate heterogeneity of treatment effects in clinical trials with broad inclusion criteria.
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Affiliation(s)
- Andrea Morotti
- Neurology Unit, Department of Neurological Sciences and Vision, Azienda Socio Sanitaria Territoriale Spedali Civili, Brescia, Italy.
| | - Gregoire Boulouis
- Diagnostic and Interventional Neuroradiology Department, University Hospital of Tours, Tours, France
| | - Dar Dowlatshahi
- Department of Medicine, Division of Neurology, University of Ottawa and Ottawa Hospital Research Institute, Ottawa ON, Canada
| | - Qi Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Michel Shamy
- Department of Medicine, Division of Neurology, University of Ottawa and Ottawa Hospital Research Institute, Ottawa ON, Canada
| | | | - Jonathan Rosand
- Division of Neurocritical Care, Massachusetts General Hospital, Boston, MA, USA; Henry and Allison McCance Center for Brain Health, Massachusetts General Hospital, Boston, MA, USA
| | - Charlotte Cordonnier
- Universite Lille, Inserm, CHU Lille, U1172, LilNCog, Lille Neuroscience and Cognition, F-59000 Lille, France
| | - Joshua N Goldstein
- Division of Neurocritical Care, Massachusetts General Hospital, Boston, MA, USA; Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Andreas Charidimou
- Department of Neurology, Boston University Medical Center, Boston University School of Medicine, Boston, MA, USA
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4
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Uniken Venema SM, Dankbaar JW, van der Lugt A, Dippel DWJ, van der Worp HB. Cerebral Collateral Circulation in the Era of Reperfusion Therapies for Acute Ischemic Stroke. Stroke 2022; 53:3222-3234. [PMID: 35938420 DOI: 10.1161/strokeaha.121.037869] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Clinical outcomes of patients with acute ischemic stroke depend in part on the extent of their collateral circulation. A good collateral circulation has also been associated with greater benefit of intravenous thrombolysis and endovascular treatment. Treatment decisions for these reperfusion therapies are increasingly guided by a combination of clinical and imaging parameters, particularly in later time windows. Computed tomography and magnetic resonance imaging enable a rapid assessment of both the collateral extent and cerebral perfusion. Yet, the role of the collateral circulation in clinical decision-making is currently limited and may be underappreciated due to the use of rather coarse and rater-dependent grading methods. In this review, we discuss determinants of the collateral circulation in patients with acute ischemic stroke, report on commonly used and emerging neuroimaging techniques for assessing the collateral circulation, and discuss the therapeutic and prognostic implications of the collateral circulation in relation to reperfusion therapies for acute ischemic stroke.
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Affiliation(s)
- Simone M Uniken Venema
- Department of Neurology and Neurosurgery, Brain Center, University Medical Center Utrecht, the Netherlands. (S.M.U.V., H.B.v.d.W.)
| | - Jan Willem Dankbaar
- Department of Radiology and Nuclear Medicine, University Medical Center Utrecht, the Netherlands. (J.W.D.)
| | - Aad van der Lugt
- Department of Radiology and Nuclear Medicine, Erasmus Medical Center Rotterdam, the Netherlands. (A.v.d.L.)
| | - Diederik W J Dippel
- Department of Neurology, Erasmus Medical Center Rotterdam, the Netherlands. (D.W.J.D.)
| | - H Bart van der Worp
- Department of Neurology and Neurosurgery, Brain Center, University Medical Center Utrecht, the Netherlands. (S.M.U.V., H.B.v.d.W.)
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5
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Faris H, Dewar B, Dowlatshahi D, Ramji A, Kenney C, Page S, Buck B, Hill MD, Coutts SB, Almekhlafi M, Sajobi T, Singh N, Sehgal A, Swartz RH, Menon BK, Shamy M. Ethical Justification for Deferral of Consent in the AcT Trial for Acute Ischemic Stroke. Stroke 2022; 53:2420-2423. [DOI: 10.1161/strokeaha.122.038760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The AcT trial (Alteplase Compared to Tenecteplase) compares alteplase or tenecteplase for patients with acute ischemic stroke. All eligible patients are enrolled by deferral of consent. Although the use of deferral of consent in the AcT trial meets the requirements of Canadian policy, we sought to provide a more explicit and rigorous approach to the justification of deferral of consent organized around 3 questions. Ultimately, the approach we outline here could become the foundation for a general justification for deferral of consent.
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Affiliation(s)
- Hannah Faris
- Department of Medicine, University of Ottawa and The Ottawa Hospital, Ontario, Canada (H.F., D.D., M.S.)
- Ottawa Hospital Research Institute, Ontario, Canada (H.F., B.D., D.D., M.S.)
| | - Brian Dewar
- Ottawa Hospital Research Institute, Ontario, Canada (H.F., B.D., D.D., M.S.)
| | - Dar Dowlatshahi
- Department of Medicine, University of Ottawa and The Ottawa Hospital, Ontario, Canada (H.F., D.D., M.S.)
- Ottawa Hospital Research Institute, Ontario, Canada (H.F., B.D., D.D., M.S.)
| | | | - Carol Kenney
- Calgary Stroke Program, University of Calgary and Foothills Hospital, Alberta, Canada (C.K., M.D.H., S.B.C., M.A., T.S., N.S., A.S., B.K.M.)
| | - Stacey Page
- Calgary Conjoint Health Research Ethics Board, Alberta, Canada (S.P.)
| | - Brian Buck
- University of Alberta and University Hospital, Edmonton, Canada (B.B.)
| | - Michael D. Hill
- Calgary Stroke Program, University of Calgary and Foothills Hospital, Alberta, Canada (C.K., M.D.H., S.B.C., M.A., T.S., N.S., A.S., B.K.M.)
| | - Shelagh B. Coutts
- Calgary Stroke Program, University of Calgary and Foothills Hospital, Alberta, Canada (C.K., M.D.H., S.B.C., M.A., T.S., N.S., A.S., B.K.M.)
| | - Mohammed Almekhlafi
- Calgary Stroke Program, University of Calgary and Foothills Hospital, Alberta, Canada (C.K., M.D.H., S.B.C., M.A., T.S., N.S., A.S., B.K.M.)
| | - Tolulope Sajobi
- Calgary Stroke Program, University of Calgary and Foothills Hospital, Alberta, Canada (C.K., M.D.H., S.B.C., M.A., T.S., N.S., A.S., B.K.M.)
| | - Nishita Singh
- Calgary Stroke Program, University of Calgary and Foothills Hospital, Alberta, Canada (C.K., M.D.H., S.B.C., M.A., T.S., N.S., A.S., B.K.M.)
| | - Arshia Sehgal
- Calgary Stroke Program, University of Calgary and Foothills Hospital, Alberta, Canada (C.K., M.D.H., S.B.C., M.A., T.S., N.S., A.S., B.K.M.)
| | - Richard H. Swartz
- University of Toronto and Sunnybrook Hospital, Ontario, Canada (R.H.S.)
| | - Bijoy K. Menon
- Calgary Stroke Program, University of Calgary and Foothills Hospital, Alberta, Canada (C.K., M.D.H., S.B.C., M.A., T.S., N.S., A.S., B.K.M.)
| | - Michel Shamy
- Department of Medicine, University of Ottawa and The Ottawa Hospital, Ontario, Canada (H.F., D.D., M.S.)
- Ottawa Hospital Research Institute, Ontario, Canada (H.F., B.D., D.D., M.S.)
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