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Poole AP, Finnis ME, Anstey J, Bellomo R, Bihari S, Birardar V, Doherty S, Eastwood G, Finfer S, French CJ, Heller S, Horowitz M, Kar P, Kruger PS, Maiden MJ, Mårtensson J, McArthur CJ, McGuinness SP, Secombe PJ, Tobin AE, Udy AA, Young PJ, Deane AM. The Effect of a Liberal Approach to Glucose Control in Critically Ill Patients with Type 2 Diabetes: A multicenter, parallel-group, open-label, randomized clinical trial. Am J Respir Crit Care Med 2022; 206:874-882. [PMID: 35608484 DOI: 10.1164/rccm.202202-0329oc] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Rationale Blood glucose concentrations affect outcomes in critically ill patients but the optimal target blood glucose range in those with type 2 diabetes is unknown. Objective To evaluate the effects of a 'liberal' approach to targeted blood glucose range during intensive care unit (ICU) admission. Methods This mutlicenter, parallel-group, open-label, randomized clinical trial included 419 adult patients with type 2 diabetes expected to be in the ICU on at least three consecutive days. In the intervention group intravenous insulin was commenced at a blood glucose >252 mg/dL and titrated to a target range of 180 to 252 mg/dL. In the comparator group insulin was commenced at a blood glucose >180 mg/dL and titrated to a target range of 108 to 180 mg/dL. The primary outcome was incident hypoglycemia (<72 mg/dL). Secondary outcomes included glucose metrics and clinical outcomes. Main Results At least one episode of hypoglycemia occurred in 10 of 210 (5%) patients assigned the intervention and 38 of 209 (18%) patients assigned the comparator (incident rate ratio: 0.21 (95% CI, 0.09 to 0.49); P<0.001). Those assigned the intervention had greater blood glucose concentrations (daily mean, minimum, maximum), less glucose variability and less relative hypoglycaemia (P<0.001 for all comparisons). By day 90, 62 of 210 (29.5%) in the intervention and 52 of 209 (24.9%) in the comparator group had died (absolute difference 4.6 percentage points (95%CI, -3.9 to 13.2%); P=0.29). Conclusions A liberal approach to blood glucose targets reduced incident hypoglycemia but did not improve patient-centered outcomes. Clinical trial registration available at www.anzctr.org.au, ID: ACTRN12616001135404.
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Affiliation(s)
- Alexis P Poole
- The University of Adelaide Discipline of Acute Care Medicine, 242032, Adelaide, South Australia, Australia.,Intensive Care Unit, Royal Adelaide Hospital, Adelaide, Adelaide, Australia.,Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Mark E Finnis
- Royal Adelaide Hospital, Department of Critical Care Services, Adelaide, South Australia, Australia.,University of Adelaide, Discipline of Acute Care Medicine, Adelaide, South Australia, Australia
| | - James Anstey
- Saint Vincent's Hospital Melbourne, 60078, Department of Intensive Care, Fitzroy, Victoria, Australia
| | | | - Shailesh Bihari
- Flinders Medical Centre and Flinders University, Department of Intensive Care Medicine, Bedford park, South Australia, Australia
| | - Vishwanath Birardar
- The University of Adelaide Discipline of Acute Care Medicine, 242032, Adelaide, South Australia, Australia.,Lyell McEwin Hospital, 3187, Intensive Care Unit, Elizabeth Vale, South Australia, Australia
| | - Sarah Doherty
- Department of Intensive Care, Royal Melbourne Hospital, Melbourne, Victoria, Australia
| | - Glenn Eastwood
- Austin hospital, Intensive care unit, Heidelgerg, Victoria, Australia
| | - Simon Finfer
- University of Sydney, Intensive Care, St. Leonards, New South Wales, Australia
| | - Craig J French
- Western Health, Victoria, Intensive Care Unit, Melbourne, Victoria, Australia
| | - Simon Heller
- Clinical Diabetes, Endocrinology and Metabolism, University of Sheffield, Sheffield, United Kingdom of Great Britain and Northern Ireland
| | - Michael Horowitz
- The University of Adelaide Adelaide Medical School, 110466, Centre of Research Excellence in Translating Nutritional Science to Good Health, Adelaide, South Australia, Australia
| | - Palash Kar
- The University of Adelaide Discipline of Acute Care Medicine, 242032, Adelaide, South Australia, Australia.,Intensive Care Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia
| | - Peter S Kruger
- Princess Alexandra Hospital, Intensive Care Unit, Brisbane, Queensland, Australia.,University of Queensland, Critical Care, Endocrinology and Metabolism Research Unit, Brisbane, Queensland, Australia
| | - Matthew J Maiden
- Royal Adelaide Hospital, Intensive Care Unit, Adelaide, South Australia, Australia.,University of Adelaide, Discipline of Acute Care Medicine, Adelaide, South Australia, Australia
| | - Johan Mårtensson
- Karolinska Institutet Department of Physiology and Pharmacology, 111126, Stockholm, Sweden.,Karolinska University Hospital, 59562, Perioperative Medicine and Intensive Care, Stockholm, Sweden
| | | | - Shay P McGuinness
- Auckland District Health Board, Cardiothoracic and Vascular ICU, Aucklanad, New Zealand
| | - Paul J Secombe
- Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia.,Department of Intensive Care, Alice Springs Hospital, Alice Springs, Australia
| | - Antony E Tobin
- The University of Melbourne, Melbourne Medical School, Department of Critical Care, Melbourne, Victoria, Australia.,Department of Intensive Care, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
| | - Andrew A Udy
- Monash University, School of Public Health and Preventive Medicine, Melbourne, Victoria, Australia
| | - Paul J Young
- Wellington Hospital, Intensive Care Unit, Wellington, New Zealand.,Medical Research Institute of New Zealand, Wellington, New Zealand
| | - Adam M Deane
- The University of Melbourne, 2281, Centre for Integrated Critical Care , Melbourne, Victoria, Australia.,Royal Melbourne Hospital, 90134, Intensive Care Unit, Melbourne, Victoria, Australia.,Royal Melbourne Hospital, 90134, Department of Medicine, Melbourne, Victoria, Australia;
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