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Liu C, Pang K, Tong J, Ouyang W, Li L, Tang Y. The association between hemoglobin A1c and all-cause mortality in the ICU: A cross-section study based on MIMIC-IV 2.0. Front Endocrinol (Lausanne) 2023; 14:1124342. [PMID: 36875458 PMCID: PMC9975393 DOI: 10.3389/fendo.2023.1124342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 01/31/2023] [Indexed: 02/17/2023] Open
Abstract
BACKGROUND Hyperglycemia has been reported to be associated with the outcomes of patients in the intensive care unit (ICU). However, the relationship between hemoglobin A1c (HbA1c) and long-term or short-term mortality in the ICU is still unknown. This study used the Medical Information Mart for Intensive Care (MIMIC)-IV database to investigate the relationship between HbA1c and long-term or short-term mortality among ICU patients without a diabetes diagnosis. METHODS A total of 3,154 critically ill patients without a diabetes diagnosis who had HbA1c measurements were extracted and analyzed from the MIMIC-IV. The primary outcome was 1-year mortality, while the secondary outcomes were 30-day mortality and 90-day mortality after ICU discharge. HbA1c levels were classified into four levels according to three HbA1c values (5.0%, 5.7%, and 6.5%). The Cox regression model was used to investigate the relationship between the highest HbA1c measurement and mortality. Finally, this correlation was validated using the XGBoost machine learning model and Cox regression after propensity score matching (PSM). RESULTS The study eventually included 3,154 critically ill patients without diabetes who had HbA1c measurements in the database. HbA1c levels of below 5.0% or above 6.5% were significantly associated with 1-year mortality after adjusting for covariates in Cox regression (HR: 1.37; 95% CI: 1.02-1.84 or HR: 1.62; 95% CI: 1.20-2.18). In addition, HbA1c 6.5% was linked to 30-day mortality (HR: 1.81; 95% CI: 1.21-2.71) and 90-day mortality (HR: 1.62; 95% CI: 1.14-2.29). The restricted cubic spline demonstrated a U-shaped relationship between HbA1c levels and 1-year mortality. The AUCs of the training and testing datasets in the XGBoost model were 0.928 and 0.826, respectively, while the SHAP plot revealed that HbA1c was somewhat important for the 1-year mortality. Higher HbA1c levels in Cox regression were still significantly associated with 1-year mortality after PSM for other factors. CONCLUSIONS The 1-year mortality, 30-day mortality, and 90-day mortality rates for critically ill patients after discharge from ICU are significantly associated with HbA1c. HbA1c < 5.0% and ≥6.5% would increase 30-day, 90-day, and 1-year mortality, while levels between 5.0% and 6.5% of HbA1c did not significantly affect these outcomes.
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Affiliation(s)
- Chunxia Liu
- Department of Anesthesiology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Ke Pang
- Department of Anesthesiology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Jianbin Tong
- Department of Anesthesiology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Wen Ouyang
- Department of Anesthesiology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Liang Li
- Department of Gastrointestinal Surgery, Third Xiangya Hospital, Central South University, Changsha, China
| | - Yongzhong Tang
- Department of Anesthesiology, Third Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Yongzhong Tang,
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Cho KH, Kwon SU, Lee JS, Yu S, Cho AH. Newly diagnosed diabetes has high risk for cardiovascular outcome in ischemic stroke patients. Sci Rep 2021; 11:12929. [PMID: 34155277 PMCID: PMC8217241 DOI: 10.1038/s41598-021-92349-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 05/24/2021] [Indexed: 12/04/2022] Open
Abstract
We investigated cardiovascular outcomes in ischemic stroke patients with newly diagnosed diabetes mellitus (DM) compared with those of patients with previously known DM and no DM using the glycosylated hemoglobin (HbA1c) criteria. The relationship between new DM diagnosis and cardiovascular risk remains unclear to date. We performed post hoc analysis using the data of participants from the Prevention of Cardiovascular events in iSchemic Stroke patients with high risk of cerebral hemOrrhage (PICASSO) trial. Newly diagnosed DM was defined as HbA1c of ≥ 6.5% without known DM history. The outcome was the incidence of composite cardiovascular events, including stroke (ischemic and hemorrhagic), myocardial infarction, and cardiovascular death. In total, 1306 patients were included; 38 patients (2.9%) had newly diagnosed DM; 438 patients (33.5%), known DM; and 830 patients (63.6%), no DM. In patients with newly diagnosed DM, known DM, and no DM, the incidence of ischemic stroke was 8.93, 3.79, and 2.64 per 100 person-years (log-rank test; p = 0.0092), while that of composite cardiovascular events was 8.93, 5.92, and 3.87 per 100 person-years (p = 0.025), respectively. Newly diagnosed DM was an important risk factor for ischemic stroke and composite cardiovascular events after ischemic stroke. Registration: URL: https://www.clinicaltrials.gov. Unique identifier: NCT01013532.
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Affiliation(s)
- Kyung-Hee Cho
- Department of Neurology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, South Korea
| | - Sun U Kwon
- Department of Neurology, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.
| | - Ji Sung Lee
- Clinical Research Center, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sungwook Yu
- Department of Neurology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, South Korea
| | - A-Hyun Cho
- Department of Neurology, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
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Prídavková D, Samoš M, Bolek T, Škorňová I, Žolková J, Kubisz P, Staško J, Mokáň M. Type 2 Diabetes, Atrial Fibrillation, and Direct Oral Anticoagulation. J Diabetes Res 2019; 2019:5158308. [PMID: 31886279 PMCID: PMC6925766 DOI: 10.1155/2019/5158308] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Accepted: 11/27/2019] [Indexed: 02/06/2023] Open
Abstract
Type 2 diabetes (T2D) is an independent risk factor of stroke and systemic embolism in patients with atrial fibrillation (AF), and T2D patients with AF-associated stroke seem to have worse clinical outcome and higher risk of unfavorable clinical course compared to individuals without this metabolic disorder. Long-term anticoagulation is indicated in majority of T2D patients with AF to prevent adverse AF-associated embolic events. Direct oral anticoagulants (DOACs), direct oral thrombin inhibitor dabigatran, and direct oral factor Xa inhibitors, rivaroxaban, apixaban, and edoxaban, have emerged as a preferred choice for long-term prevention of stroke in AF patients offering potent and predictable anticoagulation and a favorable pharmacology with low risk of interactions. This article reviews the current data regarding the use of DOACs in individuals with T2D and AF.
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Affiliation(s)
- Dana Prídavková
- Department of Internal Medicine I, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Matej Samoš
- Department of Internal Medicine I, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Tomáš Bolek
- Department of Internal Medicine I, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Ingrid Škorňová
- National Center of Hemostasis and Thrombosis, Department of Hematology and Blood Transfusion, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Jana Žolková
- National Center of Hemostasis and Thrombosis, Department of Hematology and Blood Transfusion, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Peter Kubisz
- National Center of Hemostasis and Thrombosis, Department of Hematology and Blood Transfusion, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Ján Staško
- National Center of Hemostasis and Thrombosis, Department of Hematology and Blood Transfusion, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Marián Mokáň
- Department of Internal Medicine I, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
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Zhao L, Wang L, Lu M, Hu W, Xiu S. Hyperglycemia is associated with poor in-hospital outcome in elderly patients with acute ischemic stroke. Medicine (Baltimore) 2019; 98:e16723. [PMID: 31374068 PMCID: PMC6709290 DOI: 10.1097/md.0000000000016723] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Fasting hyperglycemia is associated with poor neurologic outcome in acute ischemic stroke (AIS), but its relationship with in-hospital outcome in elderly patients remains largely unknown. To assess the association of in-hospital outcome with fasting plasma glucose (FPG) levels at admission in individuals with AIS.This retrospective propensity score-matched case-control study included patients aged over 60 years suffering from AIS and who were admitted to the emergency department from November 2013 to October 2016. Subjects were grouped into the poor-outcome and good-outcome groups based on mortality and intensive care unit (ICU) admission.The poor- and good-outcome groups comprised 74 and 1927 cases, respectively, before propensity score matching (PSM), and 74 and 296 cases, respectively, after PSM. Univariable logistic regression analysis showed that initial FPG after admission was associated with poor in-hospital outcome. Multivariable logistic regression analysis showed that initial FPG after admission was an independent predictor of poor in-hospital outcome (odds ratio = 1.11, 95% confidence interval: 1.037-1.188, P = .003).This study used PSM and strongly suggests that FPG is an independent predictive factor of poor in-hospital outcome in elderly patients with AIS. High initial FPG levels after admission may predict poor in-hospital outcome. Prospective studies are needed to confirm these findings.
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Acute Stroke Patients with Newly Diagnosed Diabetes Mellitus Have Poorer Outcomes than Those with Previously Diagnosed Diabetes Mellitus. J Stroke Cerebrovasc Dis 2018; 27:2327-2335. [PMID: 29784608 DOI: 10.1016/j.jstrokecerebrovasdis.2018.04.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 04/09/2018] [Accepted: 04/12/2018] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Diabetes mellitus (DM) is associated with poor outcomes in acute stroke patients (ASPs). This study aims to determine the prevalence of NDDM in the ASPs and to compare the outcome in NDDM and previously diagnosed DM (PDDM) in Cameroon. METHODS AND MATERIALS This was a hospital-based prospective cohort study that included ASPs with NDDM and PDDM. Outcome data were collected within 3 months of stroke onset. Chi-square and t tests were used for comparisons, whereas survival analysis was performed using Cox regression and Kaplan-Meier analysis. RESULTS Of the 701 ASPs included, 24.8% had PDDM (n = 174) and 9.4% NDDM (n = 66). NDDM had a higher mortality rate on admission and 3 months after stroke (P < .05). PDDM were more likely to survive within 3 months after stroke onset (log-rank test P = .008). The risk of dying among NDDM was increased (adjusted hazard ratio = 1.809; 95% confidence interval: 1.1532.839; P = .010). NDDM were more likely to have higher mean National Institutes of Health Stroke Scale and modified Rankin score (P < .05) on admission. PDDM were more likely to develop urinary tract infections during hospitalization (P = .015). There was no significant difference between functional outcome on admission and 3 months after stroke (P > .05). CONCLUSION NDDM are associated with increased mortality and are more likely to have poorer functional outcomes and more severe stroke than those with PDDM.
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Abubakar S, Sabir A, Ndakotsu M, Imam M, Tasiu M. Low admission serum albumin as prognostic determinant of 30-day case fatality and adverse functional outcome following acute ischemic stroke. Pan Afr Med J 2013; 14:53. [PMID: 23565300 PMCID: PMC3617615 DOI: 10.11604/pamj.2013.14.53.1941] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2012] [Accepted: 11/21/2012] [Indexed: 11/13/2022] Open
Abstract
Introduction Over 80% of stroke deaths occur in low-income and middle-income regions of the world. Identification of predictors of mortality is vital so that prompt therapeutic measures could be instituted to improve outcome. Previous studies have identified factors such as stroke severity, stroke type, older age, impairment of consciousness and hyperglycaemia as predictors of mortality for acute stroke but mortality remain high among patients hospitalized for acute stroke. The study objective was to determine the association between admission serum albumin levels and short-term outcome following acute ischaemic stroke in Nigerians. Methods Consecutive first-ever acute ischaemic stroke patients were prospectively enrolled between February 2009 and May 2010. Stroke severity at presentation was determined using National Institute of Heath Stroke Score (NIHSS). Admission serum chemistry including albumin, were measured. Patients were then followed up for 30 days and outcome measures applied at the end of the study were 30-day mortality and functional outcome using the Modified Rankin Scale (MRS) and graded as favourable(MRS 0-3) or unfavourable(MRS 4-6). Relationship between serum albumin and stroke outcome was determined. Results 75 acute stroke cases were studied. Mean age was 57.68 ± 12.4 years. Outcome was favourable in 48% while 30-day case fatality was 17.3%. The mean age (61.13 years) of those with poor outcome was significantly higher than those with favourable outcome. Mean serum albumin (3.03g/dL) of those with favourable outcome was also significantly higher than (2.08g/dL) of those with unfavourable outcome (p=0.0001). Patients that died had significantly lower serum albumin (1.66g/dl) than survivors (p=0.0001).Receiver operating characteristics curve for optimal cut off point of serum albumin to predict survival or death within 30 days revealed area under the cure (AUC) of 0.870, p-value 0.0001, 95% C/I=0.759-0.982. Serum albumin of 1.55g /dL has sensitivity of 100% and specificity of 61.5%. NIHSS and serum albumin were predictors of poor outcome using multiple regression. Conclusion Low admission serum albumin was an independent determinant of poor outcome.
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Affiliation(s)
- Sani Abubakar
- Department of Medicine, Ahmadu Bello University Teaching Hospital, Zaria, Nigeria
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Famakin B, Weiss P, Hertzberg V, McClellan W, Presley R, Krompf K, Karp H, Frankel MR. Hypoalbuminemia Predicts Acute Stroke Mortality: Paul Coverdell Georgia Stroke Registry. J Stroke Cerebrovasc Dis 2010; 19:17-22. [DOI: 10.1016/j.jstrokecerebrovasdis.2009.01.015] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2008] [Revised: 01/22/2009] [Accepted: 01/30/2009] [Indexed: 01/04/2023] Open
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Fuentes B, Díez-Tejedor E. General Care in Stroke: Relevance of Glycemia and Blood Pressure Levels. Cerebrovasc Dis 2007; 24 Suppl 1:134-42. [DOI: 10.1159/000107389] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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Jamieson DG. Secondary Prevention of Ischemic Stroke: Evolution from a Stepwise to a Risk Stratification Approach to Care. ACTA ACUST UNITED AC 2007; 10:273-84. [DOI: 10.1089/dis.2007.105705] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Dara G. Jamieson
- Department of Neurology and Neuroscience, New York Presbyterian Medical Center, Weill Medical College of Cornell University, New York, New York
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Asfandiyarova N, Kolcheva N, Ryazantsev I, Ryazantsev V. Risk factors for stroke in type 2 diabetes mellitus. Diab Vasc Dis Res 2006; 3:57-60. [PMID: 16784183 DOI: 10.3132/dvdr.2006.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Stroke is a serious complication of diabetes but the risk factors for stroke in these patients are not fully defined. The aim of this retrospective study was to investigate the risk factors for stroke in patients with type 2 diabetes mellitus (T2DM). The group comprised 208 patients with T2DM, and the mean duration of follow-up was seven years (range 4-11 years). The incidence of stroke was investigated according to lymphocyte proliferation in response to insulin. Using cimetidine to inhibit cells with histamine receptors and indometacin to inhibit prostaglandin-synthesising cells, a higher incidence of stroke was found in patients with indirect cell-mediated immunity to insulin. Therefore, one of the risk factors for stroke in patients with T2DM is high activity of cells with histamine receptors and prostaglandin-synthesising cells. These cells suppress cell-mediated immunity to insulin and may have a role in promoting the development of insulin resistance.
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