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Cardiovasc Diabetol ; 20(1): 211, 2021 10 19.
Artigo em Inglês | MEDLINE | ID: mdl-34666746

RESUMO

BACKGROUND: Stress-induced hyperglycaemia at time of hospital admission has been linked to worse prognosis following acute myocardial infarction (AMI). In addition to glucose, other glucose-related indices, such as HbA1c, glucose-HbA1c ratio (GHR), and stress-hyperglycaemia ratio (SHR) are potential predictors of clinical outcomes following AMI. However, the optimal blood glucose, HbA1c, GHR, and SHR cut-off values for predicting adverse outcomes post-AMI are unknown. As such, we determined the optimal blood glucose, HbA1c, GHR, and SHR cut-off values for predicting 1-year all cause mortality in diabetic and non-diabetic ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation myocardial infarction (NSTEMI) patients. METHODS: We undertook a national, registry-based study of patients with AMI from January 2008 to December 2015. We determined the optimal blood glucose, HbA1c, GHR, and SHR cut-off values using the Youden's formula for 1-year all-cause mortality. We subsequently analyzed the sensitivity, specificity, positive and negative predictive values of the cut-off values in the diabetic and non-diabetic subgroups, stratified by the type of AMI. RESULTS: There were 5841 STEMI and 4105 NSTEMI in the study. In STEMI patients, glucose, GHR, and SHR were independent predictors of 1-year all-cause mortality [glucose: OR 2.19 (95% CI 1.74-2.76); GHR: OR 2.28 (95% CI 1.80-2.89); SHR: OR 2.20 (95% CI 1.73-2.79)]. However, in NSTEMI patients, glucose and HbA1c were independently associated with 1-year all-cause mortality [glucose: OR 1.38 (95% CI 1.01-1.90); HbA1c: OR 2.11 (95% CI 1.15-3.88)]. In diabetic STEMI patients, SHR performed the best in terms of area-under-the-curve (AUC) analysis (glucose: AUC 63.3%, 95% CI 59.5-67.2; GHR 68.8% 95% CI 64.8-72.8; SHR: AUC 69.3%, 95% CI 65.4-73.2). However, in non-diabetic STEMI patients, glucose, GHR, and SHR performed equally well (glucose: AUC 72.0%, 95% CI 67.7-76.3; GHR 71.9% 95% CI 67.7-76.2; SHR: AUC 71.7%, 95% CI 67.4-76.0). In NSTEMI patients, glucose performed better than HbA1c for both diabetic and non-diabetic patients in AUC analysis (For diabetic, glucose: AUC 52.8%, 95% CI 48.1-57.6; HbA1c: AUC 42.5%, 95% CI 37.6-47. For non-diabetic, glucose: AUC 62.0%, 95% CI 54.1-70.0; HbA1c: AUC 51.1%, 95% CI 43.3-58.9). The optimal cut-off values for glucose, GHR, and SHR in STEMI patients were 15.0 mmol/L, 2.11, and 1.68 for diabetic and 10.6 mmol/L, 1.72, and 1.51 for non-diabetic patients respectively. For NSTEMI patients, the optimal glucose values were 10.7 mmol/L for diabetic and 8.1 mmol/L for non-diabetic patients. CONCLUSIONS: SHR was the most consistent independent predictor of 1-year all-cause mortality in both diabetic and non-diabetic STEMI, whereas glucose was the best predictor in NSTEMI patients.


Assuntos
Glicemia/metabolismo , Diabetes Mellitus/sangue , Hemoglobinas Glicadas/metabolismo , Infarto do Miocárdio sem Supradesnível do Segmento ST/sangue , Infarto do Miocárdio com Supradesnível do Segmento ST/sangue , Idoso , Biomarcadores/sangue , Diabetes Mellitus/diagnóstico , Diabetes Mellitus/mortalidade , Diabetes Mellitus/terapia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Infarto do Miocárdio sem Supradesnível do Segmento ST/diagnóstico , Infarto do Miocárdio sem Supradesnível do Segmento ST/mortalidade , Infarto do Miocárdio sem Supradesnível do Segmento ST/terapia , Admissão do Paciente , Valor Preditivo dos Testes , Prognóstico , Sistema de Registros , Estudos Retrospectivos , Medição de Risco , Fatores de Risco , Infarto do Miocárdio com Supradesnível do Segmento ST/diagnóstico , Infarto do Miocárdio com Supradesnível do Segmento ST/mortalidade , Infarto do Miocárdio com Supradesnível do Segmento ST/terapia , Singapura/epidemiologia , Fatores de Tempo
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