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Abstract Introduction. Heart failure and type 2 diabetes mellitus are critical public health issues. Objective. To characterize the risk factors for mortality in patients with heart failure and type 2 diabetes mellitus from a large registry in Colombia and to evaluate the potential effect modifications by type 2 diabetes mellitus over other risk factors. Materials and methods. Heart failure patients with and without type 2 diabetes mellitus enrolled in the Registro Colombiano de Falla Cardíaca (RECOLFACA) were included. RECOLFACA enrolled adult patients with heart failure diagnosis from 60 medical centers in Colombia during 2017-2019. The primary outcome was all-cause mortality. Survival analysis was performed using adjusted Cox proportional hazard models. Results. A total of 2514 patients were included, and the prevalence of type 2 diabetes mellitus was 24.7% (n = 620). We found seven independent predictors of short-term mortality for the general cohort, chronic obstructive pulmonary disease, sinus rhythm, triple therapy, nitrates use, statins use, anemia, and hyperkalemia. In the type 2 diabetes mellitus group, only the left ventricle diastolic diameter was an independent mortality predictor (HR = 0.96; 95% CI: 0.93-0.98). There was no evidence of effect modification by type 2 diabetes mellitus on the relationship between any independent predictors and all-cause mortality. However, a significant effect modification by type 2 diabetes mellitus between smoking and mortality was observed. Conclusions. Patients with type 2 diabetes mellitus had higher mortality risk. Our results also suggest that type 2 diabetes mellitus diagnosis does not modify the effect of the independent risk factors for mortality in heart failure evaluated. However, type 2 diabetes mellitus significantly modify the risk relation between mortality and smoking in patients with heart failure.
Resumen Introducción. La insuficiencia cardíaca y la diabetes mellitus de tipo 2 son problemas críticos de salud pública. Objetivo. Caracterizar los factores de riesgo de mortalidad en pacientes con insuficiencia cardíaca y la diabetes mellitus de tipo 2 de un registro grande en Colombia y evaluar las posibles modificaciones del efecto de la diabetes mellitus de tipo 2 sobre otros factores de riesgo. Materiales y métodos. Se incluyeron pacientes con insuficiencia cardíaca con y sin diabetes mellitus de tipo 2, inscritos en el Registro Colombiano de Insuficiencia Cardíaca (RECOLFACA). RECOLFACA incorporó pacientes adultos con diagnóstico de insuficiencia cardíaca de 60 centros médicos de Colombia durante 2017-2019. El resultado primario fue la mortalidad por todas las causas. El análisis de supervivencia se realizó utilizando modelos ajustados de riesgos proporcionales de Cox. Resultados. Se incluyeron 2.514 pacientes, la prevalencia de diabetes mellitus de tipo 2 fue del 24,7 % (n = 620). Encontramos siete predictores independientes de mortalidad a corto plazo para la enfermedad pulmonar obstructiva crónica del grupo sin diabetes mellitus de tipo 2, el ritmo sinusal, la terapia triple, el uso de nitratos, el uso de estatinas, la anemia y la hiperpotasemia. En el grupo de diabetes mellitus de tipo 2, solo el diámetro diastólico del ventrículo izquierdo fue un predictor de mortalidad independiente (HR = 0,96; IC95 %: 0,93 - 0,98). No hubo evidencia de modificación del efecto de la diabetes mellitus de tipo 2 sobre la relación entre ningún predictor independiente y la mortalidad por todas las causas. Sin embargo, se observó una modificación significativa del efecto de la diabetes mellitus de tipo 2 entre el tabaquismo y la mortalidad. Conclusiones. Los pacientes con diabetes mellitus de tipo 2 tuvieron mayor riesgo de mortalidad. Los resultados también sugieren que el diagnóstico de diabetes mellitus de tipo 2 no modifica el efecto de los factores de riesgo independientes de mortalidad en IC evaluados. Sin embargo, la diabetes mellitus de tipo 2 modifica significativamente la relación de riesgo entre mortalidad y tabaquismo en pacientes con insuficiencia cardíaca, posiblemente debido a un efecto sinérgico negativo que resulta en lesión vascular.
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Objective.To assess the effectiveness of an educational intervention on perceived stress and metabolic syndrome parameters among adults with type 2 diabetes mellitus. Method. Fifty-one adults (aged 48.73±7.84; 86.3% of women) were included in a non-randomized clinical trial performed in a healthcare unit for six months (Brazilian Clinical Trial Registry: RBR-43K52N). All participants were diagnosed with type 2 diabetes mellitus and metabolic syndrome (intervention group, n=26; control group, n=25). The intervention consisted of a nurse-led educational health-promoting program with a multidisciplinary approach organized in seven workshops. The primary outcome was decreased perceived stress, and the secondary outcome was improvement in metabolic syndrome parameters according to perceived stress levels. These outcomes were assessed at two points in time, at the baseline and follow-up. Results. Participation in the intervention program resulted in a significant decrease in perceived stress (p=0.028). The stressed participants in the intervention group experienced a significant decrease in blood glucose levels (p=0.001) and a significant increase in high-density lipoprotein-cholesterol (p=0.003) concentrations after the six-month intervention. Conclusion.The nurse-led educational health-promoting program decreased perceived stress among adults with type 2 diabetes mellitus and metabolic syndrome, improving fasting blood glucose and high-density lipoprotein cholesterol among the stressed participants in the intervention group.
Objetivo. Evaluar la efectividad de una intervención educativa sobre el estrés percibido y los componentes del síndrome metabólico en adultos con diabetes mellitus tipo 2. Métodos. Se incluyeron 51 adultos (48.73±7.84 años; 86.3% mujeres) de un estudio no-ensayo aleatorizado realizado en una unidad de salud durante seis meses, con Registro Brasileño de Ensayos Clínicos: RBR-43K52N, todos los participantes fueron diagnosticados con diabetes mellitus tipo 2 y síndrome metabólico (grupo intervención, n=26; grupo control, n=25). La intervención consistió en un programa educativo de promoción de la salud con enfoque multidisciplinario, liderado por una enfermera, estructurado en siete talleres grupales. El resultado primario fue la reducción del estrés percibido y el secundario, la mejora de los componentes del síndrome metabólico influenciados por el nivel de estrés percibido, evaluado en dos momentos, al inicio y después del seguimiento. Resultados. La participación en el programa de intervención resultó en una reducción significativa del estrés percibido en comparación con el grupo control (p=0.028). Los participantes estresados en el grupo de intervención tuvieron, respectivamente, una disminución y un aumento significativos en las concentraciones séricas de glucosa (p=0.001) y lipoproteínas de alta densidad-colesterol (p=0.003) después de seis meses de intervención. Conclusión. Un programa educativo de promoción de la salud liderado por enfermeras fue eficiente para reducir el estrés percibido entre adultos con diabetes mellitus tipo 2 y síndrome metabólico, además de mejorar la glucemia en ayunas y el colesterol unido a lipoproteínas de alta densidad en los participantes del grupo estresado de intervención.
Objetivo. Avaliar a efetividade de uma intervenção educativa sobre o estresse percebido e os componentes da síndrome metabólica em adultos com diabetes mellitus tipo 2. Métodos. Foram incluídos 51 adultos (48.73±7.84 anos de idade; 86.3% mulheres) em um ensaio clínico não-randomizado realizado em uma unidade de saúde durante seis meses, com Registro de Ensaio Clínico Brasileiro: RBR-43K52N.Todos os participantes apresentavam diagnóstico de diabetes mellitus tipo 2 e síndrome metabólica (grupo intervenção, n=26; grupo controle, n=25). A intervenção consistiu em um programa educativo de promoção da saúde com abordagem multidisciplinar, liderado por enfermeiro, estruturado em sete oficinas em grupo. O desfecho primário foi a redução do estresse percebido, e o secundário, a melhora dos componentes da síndrome metabólica conforme influência do nível de estresse percebido, avaliados em dois momentos, na condição basal e após o acompanhamento. Resultados. A participação no programa de intervenção resultou na redução significativa do estresse percebido em comparação com o grupo controle (p=0.028). Os participantes estressados do grupo intervenção tiveram, respectivamente, diminuição e aumento significativos das concentrações séricas de glicose (p=0.001) e da lipoproteína-colesterol de alta densidade (p=0.003) após seis meses de intervenção. Conclusão. Um programa educativo de promoção da saúde liderado por enfermeiros foi eficiente para reduzir estresse percebido entre adultos com diabetes mellitus tipo 2 e síndrome metabólica, além de causar melhora da glicemia de jejum e e da lipoproteína-colesterol de alta densidade dos participantes estressados do grupo intervenção.
Sujet(s)
Humains , Mâle , Femelle , Stress psychologique , Soins infirmiers communautaires , Syndrome métabolique X , Diabète de type 2RÉSUMÉ
RESUMEN Objetivo: Identificar factores de riesgo, basados en los parámetros clínicos, ecocardiográficos y terapéuticos, para predecir complicaciones cardiacas en pacientes diabéticos con infarto agudo de miocardio (IAM). Materiales y métodos: Se realizó un estudio observacional, analítico, de casos y controles en el Centro de Cirugía Cardiovascular y Cardiología Santiago de Cuba, adjunto al Hospital Provincial Saturnino Lora, durante el periodo comprendido entre los años 2019 y 2021. La muestra quedó constituida por 266 pacientes, elegidos por muestreo aleatorio simple 1:2. Las variables de estudio se agruparon en demográficas, clínico-ecocardiográficas y terapéuticas. Se realizó el análisis multivariado con todas las variables que constituyeron factores de riesgo; se empleó el análisis de la varianza unidireccional y la regresión logística binaria. Resultados: Las complicaciones más frecuentes fueron la fibrilación auricular y la insuficiencia cardiaca en un 12 %, aproximadamente. Las cifras de control metabólico mostraron alteración al ingreso (OR = 6,92; LI: 2,61; LS: 18,32; p = 0,001). El análisis univariado demostró que diez factores incrementaron el riesgo de presentar complicaciones, entre ellos, el diagnóstico de diabetes mellitus ≥10 años (OR = 2,50; LI: 1,14; LS: 5,45; p = 0,020); además, el análisis multivariado reveló que la edad ≥60 años (OR = 5,624; IC = 1,607-19,686; p = 0,007), el control metabólico al ingreso alterado (OR = 5,245; IC = 1,491-18,447; p = 0,010), la no aplicación de terapia trombolítica (OR = 5,74; IC = 1,46-22,586; p = 0,012), la FEVI ≤ 40 % (OR = 5,245; IC = 1,17-23,433; p = 0,030), la presión de la aurícula izquierda ≥15 mmHg (OR = 12,335; IC = 3,45-44,08; p = 0,001) y la motilidad ≥1,5 puntos (OR = 4,702; IC = 1,258-17,575; p = 0,021) incrementaron el riesgo de forma independiente. Conclusiones: El estudio demostró el valor de seis factores de riesgo de complicaciones cardiacas en el paciente diabético con IAM, donde sobresale el control glucémico al ingreso, la fracción de eyección disminuida del ventrículo izquierdo, la presión de la aurícula izquierda aumentada y la no terapia de reperfusión coronaria.
ABSTRACT Objective: To identify the risk factors based on clinical, echocardiographic and therapeutic parameters which predict the development of cardiac complications among patients with diabetes and acute myocardial infarction (AMI). Materials and methods: An observational, analytical, case-control study was conducted at Centro de Cardiología y Cirugía Cardiovascular de Santiago de Cuba, attached to Hospital Provincial Saturnino Lora, from 2019 to 2021. The sample consisted of 266 patients, chosen by simple random sampling 1:2. The study included demographic, clinical- echocardiographic and therapeutic variables. A multivariate analysis was performed with all the variables considered as risk factors; one-way analysis of variance and binary logistic regression were used. Results: The most frequent cardiac complications were atrial fibrillation and heart failure (approximately 12 %). A metabolic control analysis on admission yielded altered results (OR = 6.92; LI: 2.61; LS: 18.32; p = 0.001). The univariate analysis showed that ten factors increased the risk of complications, including the diagnosis of diabetes mellitus ≥ 10 years (OR = 2.50; LI: 1.14; LS: 5.45; p = 0.020). On the other hand, the multivariate analysis revealed six factors that predict the development of cardiac complications: age ≥ 60 years (OR = 5.624; CI = 1.607-19.686; p = 0.007), altered metabolic control on admission (OR = 5.245; CI = 1.491-18.447; p = 0.010), lack of use of thrombolytic therapy (OR = 5.74; CI = 1.46-22.586; p = 0.012), left ventricular ejection fraction (LVEF) ≤ 40 % (OR = 5.245; CI = 1.17-23.433; p = 0.030), left atrial pressure ≥ 15 mmHg (OR = 12.335; CI = 3.45-44.08; p = 0.001) and motility ≥ 1.5 points (OR = 4.702; CI = 1.258-17.575; p = 0.021). Conclusions: The study demonstrated the value of six risk factors of cardiac complications among patients with diabetes and AMI, where glycemic control on admission, decreased LVEF, increased left atrial pressure and no reperfusion therapy stand out.
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Objective:To explore the robust relationship between insomnia and type 2 diabetes mellitus by two-sample Mendelian randomization analysis to overcome confounding factors and reverse causality in observational studies.Methods:We identified strong,independent single nucleotide polymorphisms(SNPs)of insomnia from the most up to date genome wide association studies(GWAS)within European ancestors and applied them as instrumental variable to GWAS of type 2 diabetes mellitus.After excluding SNPs that were significantly associated with smoking,physical activity,alcohol consumption,educational attainment,obesity,or type 2 diabetes mellitus,we assessed the impact of insomnia on type 2 diabetes mellitus using inverse variance weighting(IVW)method.Weighted median and MR-Egger regression analysis were also conducted to test the robustness of the association.We calculated the F statistic of the selected SNPs to test the applicability of instrumental variable and F statistic over than ten indicated that there was little possibility of bias of weak instrumental variables.We further examined the existence of pleiotropy by testing whether the intercept term in MR-Egger regression was significantly different from ze-ro.In addition,the leave-one-out method was used for sensitivity analysis to verify the stability and relia-bility of the results.Results:We selected 248 SNPs independently associated with insomnia at the genome-wide level(P<5 ×10-8)as a preliminary candidate set of instrumental variables.After clum-ping based on the reference panel from 1000 Genome Project and removing the potential pleiotropic SNPs,a total of 167 SNPs associated with insomnia were included as final instrumental variables.The F statistic of this study was 39.74,which was in line with the relevance assumption of Mendelian randomi-zation.IVW method showed insomnia was associated with higher risk of type 2 diabetes mellitus that po-pulation with insomnia were 1.14 times more likely to develop type 2 diabetes mellitus than those without insomnia(95%CI:1.09-1.21,P<0.001).The weighted median estimator(WME)method and MR-Egger regression showed similar causal effect of insomnia on type 2 diabetes mellitus.And MR-Egger re-gression also showed that the effect was less likely to be triggered by pleiotropy.Sensitivity analyses pro-duced directionally similar estimates.Conclusion:Insomnia is a risk factor of type 2 diabetes mellitus,which has positively effects on type 2 diabetes mellitus.Our study provides further rationale for indivi-duals at risk for diabetes to keep healthy lifestyle.
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Objective To investigate the predictive value of new simplified insulin resistance(IR)assessment indexes in identifying subclinical left ventricular systolic function impairment in patients with type 2 diabetes mellitus(T2DM).Methods A total of 150 T2DM patients with preserved left ventricular ejection fraction(LVEF≥50%)who were admitted to Department of Endocrinology of the First Affiliated Hospital of Air Force Medical University from June 2021 to December 2021 were retrospectively analyzed.All patients underwent two-dimensional speckle tracking echocardiography to measure left ventricular global longitudinal strain(GLS).According to GLS value,the subjects were divided into the normal group(GLS≥18%group,n=80)and the impaired group(GLS<18%group,n=70).Some new simplified IR assessment indicators were calculated and compared between the two groups,including body mass index(BMI),TG/HDL-C ratio,triglyceride-glucose(TyG)index,TyG-BMI index,TyG-WHR and metabolic score for IR(METS-IR).Correlation between the GLS and the new simplified IR assessment indexes was analyzed.The receiver operating characteristic(ROC)curve was used to analyze the diagnostic efficacy of different simplified IR assessment indexes,with the area under the curve(AUC)calculated.Furthermore,according to whether the subjects were complicated with hypertension,binary logistics regression analysis was performed to explore the independent correlation between the simplified IR assessment index and GLS<18%.Results Total 150 were included with aged(54.5±13.7)years with 96(64.0%)men and 54(36.0%)women.Compared with the GLS≥18%group,the TG/HDL-C ratio,TyG index,TyG-BMI,and METS-IR of subjects in the GLS<18%group were significantly increased(P<0.05).Pearson correlation analysis showed that TG/HDL-C ratio,TyG index,TyG-BMI,TyG-WHR,and METS-IR were negatively correlated with GLS(P<0.05).ROC analysis showed that TyG index had a certain predictive value for the evaluation of GLS<18%(AUC=0.678,95%CI 0.591-0.765,P<0.001).Stratification based on hypertension and further adjusting for confounding factors,TyG index remains significantly associated with GLS<18%(OR=3.249,95%CI 1.045-10.103,P=0.042).Conclusions The novel simplified insulin resistance evaluation indexes are closely associated with left ventricular subclinical systolic dysfunction in T2DM patients with preserved ejection fraction.TyG index is an effective index to identify left ventricular subclinical dysfunction in these populations.
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Objective:To explore the clinical therapeutic effect and safety of noncompliant balloon post-dilatation(PD)during emergency percutaneous coronary intervention(PCI)in patients with acute ST-segment elevation my-ocardial infarction(STEMI)and type 2 diabetes mellitus(T2DM)with low thrombus burden.Methods:A total of 122 STEMI±T2DM patients,who underwent emergency PCI in our hospital from Jan 2016 to Dec 2021,were con-secutively enrolled.According to PD therapy after PCI or not,they were divided into PD group(n=78)and non-PD group(n=44).Clinical data,PCI condition,postoperative TIMI blood flow,ST-segment elevation index res-olution(∑STIR),incidence rate of the major adverse cardiac events(MACE)during hospital and LVEF,incidence rates of in-stent restenosis and MACE within one year after PCI were compared between two groups.Results:Compared with non-PD group,there were significant reductions in incidence rate of MACE during hospital(15.9%vs.3.8%),incidence rates of in-stent restenosis(14.3%vs.2.6%)and MACE within one year after PCI(21.4%vs.2.6%)in PD group(P<0.05 or<0.01),there were significant rise in LVEF within one year after PCI[58.50(52.75,65.25)%vs.64.00(58.25,67.50)%]in PD group(P=0.005).Conclusion:It's safe and feasible to apply noncompliant balloon PD during emergency PCI in STEMI+T2DM patients with low thrombus bur-den.It can reduce incidence rate of MACE during hospital,in-stent restenosis and MACE within one year after PCI,and improve left heart function of patients,and provide clinical reference for the use of PD therapy in emer-gency PCI for these patients.
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The cognitive impairment of diabetes mellitus type 2(T2DM)is closely related to neurovascular coupling(NVC)changes,but the exact mechanism remains unclear.Functional MRI(fMRI)technology were able to jointly analyze NVC changes of T2DM,providing new ideas for revealing the mechanism of cognitive dysfunction caused by T2DM.The progresses of fMRI for exploring NVC changes in T2DM were reviewed in this article.
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Objective To observe changes of thickness and elasticity of skeletal muscles in patients with type 2 diabetes mellitus(T2DM)and relative impact factors.Methods Totally 62 T2DM patients(T2DM group)and 60 healthy adults(HC group)were prospectively recruited.Shear wave elastography(SWE)technology was used to measure the maximum Young's modulus(Emax)of the rectus abdominis and gastrocnemius muscles under relaxed and contracted states in both groups.The thickness and elasticity modulus of the skeletal muscles under the two states were compared between groups.Multiple linear regression analysis was performed to screen impact factors of the elasticity modulus of the rectus abdominis and gastrocnemius muscles.Results No significant difference of muscle thicknesses of rectus abdominis,nor of gastrocnemius muscle was found between groups under relaxed and contracted states(all P>0.05).Under both relaxed and contracted states,the Emax of the rectus abdominis and gastrocnemius muscle in T2DM group were all lower than those in HC group(all P<0.05).Multiple linear regression analysis showed that in T2DM group,the elasticity modulus of the rectus abdominis and gastrocnemius muscle under both relaxed and contracted states decreased linearly with disease duration,fasting blood glucose(FBG)and glycosylated hemoglobin(HbA1c)(all P<0.05).Conclusion The elasticity modulus of skeletal muscle decreased in T2DM patients,and the reducing scales linearly related to disease duration,FBG and HbA1c.
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Purpose To explore the clinical value of quantitative assessment of renal perfusion using ultrasound contrast imaging for the auxiliary diagnosis of type 2 diabetic nephropathy.Materials and Methods This prospective study was conducted from May 2017 to December 2019 at the First Medical Center of Chinese PLA General Hospital.A total of 41 patients with type 2 diabetes and renal function abnormalities,who were scheduled for renal biopsy,underwent contrast-enhanced ultrasound.Differences in contrast imaging parameters,including time to peak in the renal cortex,peak enhancement,mean transit time local,and area under the curve between diabetic nephropathy and focal segmental glomerulosclerosis were compared,and the correlation between imaging parameters and pathological results was analyzed.Results Among 41 patients,30 cases were diagnosed as diabetic nephropathy,and 11 cases were diagnosed as focal segmental glomerulosclerosis.The peak enhancement and area under the curve in the diabetic nephropathy group were significantly lower than those in the focal segmental glomerulosclerosis group[peak enhancement:3 837.16(2 449.16,5 929.16)vs.8 508.00(4 334.88,21 201.00),Z=-2.766,P=0.006;area under the curve:0.14±0.05 vs.0.19±0.05,t=-3.135,P=0.003].In the diabetic nephropathy group,peak enhancement showed a negative correlation with the global glomerulosclerosis rate(r=-0.489,P=0.006).Conclusion Contrast-enhanced ultrasound can quantitatively evaluate renal perfusion and has certain clinical value in assisting the diagnosis of type 2 diabetic nephropathy.
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Objective:To investigate the effect of blood glucose control on the imaging severity and clinical symptoms of facet joint osteoarthritis (FJOA) in patients with type 2 diabetes mellitus (T2DM).Methods:A total of 286 patients with lumbar degenerative diseases who were diagnosed and treated in the Department of Spinal Surgery of the Third Affiliated Hospital of Sun Yat-sen University from December 2021 to December 2022 were retrospectively collected. Patients were divided into diabetic and non-diabetic groups according to whether T2DM was diagnosed at admission. Age, gender, presence of hypertension, and body mass index (BMI) were recorded. The duration of diabetes was recorded. Fasting blood glucose and peak postprandial blood glucose were monitored for 3 consecutive days. Plasma glucose and glycosylated hemoglobin were assessed by blood biochemical results. Diabetic patients were divided into three sub-groups according to fasting blood glucose and glycosylated hemoglobin levels (HbA1c): ideal blood glucose control (HbA1c<6.5% and fasting blood glucose<6.1 mmol/L), good (6.5%≤HbA1c≤7.5% or 6.1 mmol/L≤fasting blood glucose≤7.0 mmol/L), and poor (HbA1c>7.5% and fasting blood glucose>7.0 mmol/L). Visual analogue scale (VAS) was used to assess the degree of low back pain. Pathria grading system was used to assess the severity of FJOA at different levels of the lumbar spine on lumbar CT. Mann-whitney U test was used to compare the difference of FJOA between L 1-S 1 segments in diabetic and non-diabetic patients. Logistic regression was used to analyze the effect of diabetes on FJOA. Kruskal-Wallis test was used to compare the difference of FJOA between different segments in diabetic patients among different sub-groups. Logistic regression was used to analyze the effect of blood glucose control on FJOA. Results:A total of 121 patients in the diabetic group and 165 patients in the non-diabetic group were included. L 4, 5 FJOA grade 3(2, 3) in diabetic patients was greater than grade 2(1, 3) in non-diabetic patients with significant difference ( Z=-3.179, P=0.001), and diabetes was an independent risk factor for L 4, 5 FJOA [ OR=1.767, 95% CI(1.032, 3.025), P=0.038]. There was no significant difference in age, BMI, sex ratio, prevalence of hypertension and blood glucose fluctuation values among different subgroups of glycemic control in the diabetic group. Patients in the poor glucose group had higher FJOA grades 2(1, 2), 3(3, 3) and 3(2, 4) at L 1, 2, L 4, 5 and L 5S 1 than those in the ideal glucose group at grades 1(1, 2), 2(1.5, 3) and 2(1, 2) with significant differences ( H=9.530, P=0.009; H=18.248, P<0.001; H=27.916, P<0.001). Patients in the poor glucose group had higher grades 3(3, 3) and 3(2, 4) of osteoarthritis of the L 4, 5 and L 5S 1 facet joints than those in the good glucose group, grades 3(2, 3) and 2(1, 2) with significant differences ( H=18.248, P<0.001; H=27.916, P<0.001). Low back pain was positively correlated with poor glycemic control, L 4, 5 and L 5S 1 FJOA ( r=0.512, P<0.001; r=0.383, P<0.001; r=0.484, P<0.001). Poor glycemic control was an independent risk factor for FJOA at L 4, 5 and L 5S 1 [ OR=4.963, 95% CI (1.095, 22.496), P=0.038; OR=6.010, 95% CI(1.061, 34.049), P=0.043]. Conclusion:Compared with non-diabetic patients, patients with type 2 diabetes have a higher risk of osteoarthritis in the facet joints of L 4, 5. Compared with diabetic patients with good or ideal glycemic control. Patients with poor glycemic control had more severe osteoarthritis of the L 4, 5 and L 5S 1 facet joints. Patients with severe facet joint degeneration and poor glycemic control often suffered more from severe low back pain.
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Objective:To explore the correlation between time in range (TIR) after short-term treatment and glycated hemoglobin after 3 months (HbA lc-3m) in patients with newly-diagnosed type 2 diabetes mellitus (T2DM). Methods:In this cross-sectional study, a total of 94 patients with newly-diagnosed T2DM who received treatment in the Department of Endocrinology of Inner Mongolia Autonomous Region People′s Hospital were enrolled from January 2018 to September 2022. The patients were followed-up for 3 months and had complete medical record. TIR was divided into three groups according to different target ranges of blood glucose (TIR1: TIR with blood glucose between 3.9 and 10.0 mmol/L, TIR2: TIR with blood glucose between 3.9 and 7.8 mmol/L, TIR3: TIR with fasting, premeal or bedtime blood glucose <6.1 mmol/L and 2 h postprandial blood glucose <8.0 mmol/L). The patients were divided into two groups based on whether their HbA 1c-3m level was less than 6.5%, and the baseline data and variations in TIR for distinct target glucose levels were compared between the two groups. Spearman′s correlation analysis and binary logistic regression analysis were used to analyze the relationship between baseline indicators, TIR after short-term treatment and HbA 1c-3m. Receiver operating characteristic curve (ROC) was drawn to evaluate the predictive ability of different TIR after short-term therapy for HbA 1c-3m. Results:There were statistically significant differences in TIR1 [81.0 (67.5, 94.6)% vs 71.4 (51.7, 85.7)%], TIR2 [57.7 (29.7, 70.8)% vs 40.9 (22.4, 52.3)%] and TIR3 [23.8 (10.2, 39.5)% vs 13.0 (4.8, 25.0)%] between patients with a HbA 1c-3m<6.5% and patients with a HbA 1c-3m≥6.5% (all P<0.05). Spearman correlation analysis showed that among all the patients with newly-diagnosed T2DM, TIR1, TIR2 and TIR3 were all negatively correlated with HbA 1c-3m [6.4 (6.1, 6.9)%] ( r=-0.322, -0.348, -0.303, respectively, all P<0.01). Logistic regression analysis showed that after adjusting for the confounding factors, TIR1 ( OR=1.021, 95% CI: 1.002-1.041; P=0.034), TIR2 ( OR=1.024, 95% CI: 1.006-1.043; P=0.011), TIR3 ( OR=1.037, 95% CI: 1.010-1.065; P=0.008) were all independently related to HbA 1c-3m. When HbA lc-3m<6.5% was taken as the target value, the area under the ROC curve: TIR1 was 0.639 (95% CI: 0.528-0.751), TIR2 was 0.671 (95% CI: 0.560-0.782), TIR3 was 0.659 (95% CI: 0.549-0.770), respectively. When HbA lc-3m<7.0% was taken as the target value, the area under the ROC curve: TIR1 was 0. 730 (95% CI: 0.619-0.841), TIR2 was 0.744 (95% CI: 0.642-0.846), TIR3 was 0.701 (95% CI: 0.588-0.814). There was no significant difference in the area among the three statistics ( P>0.05). Conclusions:For newly-diagnosed T2DM patients, TIR after short-term treatment is negatively correlated with HbA 1c after 3 months and has good predictive value for it.
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Objective:To evaluate the effect of novel erythrocyte preservation solution on the quality of erythrocytes in stored blood of type 2 diabetes mellitus (T2DM) rats.Methods:Forty SPF male Sprague-Dawley rats, aged 8 weeks, weighing 180-220 g, were used in this study. Ten rats randomly selected served as conventional erythrocyte preservation solution group (group A). T2DM model was prepared in the remaining 30 rats. Twenty T2DM rats were divided into 2 groups ( n=10 each) using a random number table method: T2DM conventional erythrocyte preservation solution control group (group C) and T2DM novel erythrocyte preservation solution observation group (group Y). Erythrocyte preservation solution was prepared to simulate the preoperative autologous blood donation process, and blood was collected from the tail vein to isolate the red blood cells, and then the corresponding preservation solution was added. Immediately after blood collection (T 0) and at 7, 14 and 21 days of preservation (T 1-3), the morphological structure of erythrocytes was observed with a light microscope, and the concentrations of 2, 3-diphosphoglycerate (2, 3-DPG) and reactive oxygen species (ROS) were also determined by enzyme-linked immunosorbent assay at T 0-T 3 and 28 days of preservation (T 4). PKH26 was used to label the erythrocytes stored in vitro for 28 days, and then the erythrocytes were transfused back into rats. The survival rate of erythrocytes was detected by flow cytometry at 1, 7, 13 and 18 h after retransfusion. Results:The erythrocyte damage was aggravated at different time points of preservation in group C when compared with group A. Compared with group C, the damage to erythrocytes was significantly alleviated at different time points of preservation in group Y. Compared with group A, the concentration of 2, 3-DPG in erythrocytes was significantly decreased at T 0 and T 2-T 4, the concentration of ROS was increased at T 0-T 4, and the survival rate of erythrocytes was decreased at 1, 7 and 18 h after retransfusion in group C ( P<0.05). Compared with group C, the concentration of 2, 3-DPG in erythrocytes was significantly increased at T 0-T 4, the content of ROS was decreased at T 1, T 3 and T 4, and the survival rate of erythrocytes was increased at 1, 7 and 18 h after retransfusion in group Y ( P<0.05). Conclusions:The novel erythrocyte preservation solution can improve the quality of stored erythrocytes and increase the survival rate of erythrocytes in vivo after retransfusion in T2DM rats.
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Objective:To explore the association of hemoglobin(HGB) levels with bone mineral density(BMD) and osteoporosis in patients with type 2 diabetes mellitus(T2DM).Methods:A cross-sectional study was conducted in 364 patients with T2DM who were hospitalized in the Department of Endocrinology and Geriatrics of the Affiliated Huaian No. 1 People′s Hospital of Nanjing Medical University from September 2019 to September 2020. Participants were stratified into tertiles(lower, middle, and upper) according to femoral BMD determined by dual-energy X-ray absorptiometry. Demographic characteristics, medical history, chronic diabetes complications, and comorbid conditions were compared among the 3 groups. The association between hemoglobin levels and BMD/osteoporosis was examined using multivariable logistic regression analyses. Interaction and stratified analyses were conducted according to age, body mass index(BMI), duration of diabetes, estimated glomerular filtration rate(eGFR), glycosylated hemoglobin(HbA 1C), total cholesterol(TC), triglycerides(TG), high-density lipoprotein-cholesterol(HDL-C), low-density lipoprotein-cholesterol(LDL-C) and uric acid(UA). Results:After adjusting for age, BMI, and duration of diabetes, there were no significant differences observed in the association between hemoglobin levels and BMD or osteoporosis among postmenopausal women with T2DM(all P>0.05). After adjusting for age, BMI, duration of diabetes, and eGFR, men aged≥50 years with hemoglobin≥130 g/L showed a positive association between hemoglobin level and femoral neck BMD compared to those with hemoglobin<130 g/L( β=0.057, 95% CI 0.014-0.100, P=0.011). However, no significant associations were observed between hemoglobin level and BMDs at the total hip or lumbar spine(L1-L4), nor the risk of osteoporosis(all P>0.05). Stratified analyses revealed no significant differences in the subgroups classified based on age, BMI, diabetes duration, eGFR, HbA 1C, TC, TG, HDL-C, LDL-C, and UA(all interaction P>0.05). Conclusion:In males aged 50 and above with T2DM, elevated hemoglobin levels may be a protective factor for femoral neck bone density.
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Objective:This study aimed to explore the effect of Vaspin on adipose tissue macrophage polarization and its underlying mechanism.Methods:Fifty male SD rats, aged 8 weeks, were chosen and randomly allocated into three groups: the normal control(NC), the type 2 diabetes(T2DM), and various concentrations of Vaspin intervention(V1: 480 ng/kg, V2: 960 ng/kg, V3: 1 440 ng/kg). Vaspin was administered via intraperitoneal injection for 8 weeks. Glucose tolerance and insulin sensitivity were evaluated via intraperitoneal glucose tolerance test(IPGTT), intraperitoneal insulin tolerance test(IPITT) and hyperinsulinemic-euglycemic clamp. Adipose tissue inflammation and macrophage polarization were assessed using immunofluorescence, RT-PCR and western blotting.Results:After 8 weeks of intervention, there were no statistically significant differences in body weight and blood lipid levels among groups. IPGTT, IPITT, and hyperinsulinemic-euglycemic clamp experiments demonstrated that Vaspin intervention improved blood glucose and insulin sensitivity, exhibiting a dose-dependent manner( P<0.05). IF and RT-PCR showed that Vaspin downregulated the expression of CD11c, IL-1β, and TNF-α in eWAT, while upregulating the expression of CD206, IL-10, and PPARγ, which correlated with Vaspin concentration( P<0.05). ELISA revealed that Vaspin intervention reduced the concentrations of IL-1β and TNF-α in serum, while increasing the concentration of IL-10( P<0.05). Western blotting demonstrated that Vaspin downregulated iNOS protein expression, while upregulating Arg1, p-Akt, and PPARγ expression in a dose-dependent manner( P<0.05). Conclusion:Vaspin promotes M2 polarization of adipose tissue macrophages via PPARγ pathway, leading to reduced inflammation and improved insulin sensitivity in T2DM rats.
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The global pandemic of type 2 diabetes mellitus is still ongoing, in which obesity has played a major role. Obesity not only contributes to the development of type 2 diabetes but also further increases the risk of cardiovascular diseases in patients with type 2 diabetes. In recent years, the management goals of diabetes care has shifted from glycemic control alone to dual " glycemic control and weight loss". Current weight loss strategies include lifestyle intervention, pharmacotherapy therapy, and metabolic surgery, with advancements being made particularly in pharmacological treatments. The novel dual or triple gut hormone receptor agonists hold promise for providing more treatment options for overweight/obese patients with type 2 diabetes.
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Objective:To investigate the status of self-management and family support among elderly diabetic patients in community.Methods:Eight elderly patients with type 2 diabetes were interviewed in Xietu Community Health Service Center in Shanghai by semi-structured interviews from March 1st to March 15th, 2022. The interview outline focused on the impact of the disease on the patients' daily life, the status of disease self-management, and the support provided by their family. The contents of interviews were analyzed and extracted by Colaizz 7-step analysis method.Results:Of the 8 interviewees, there were 2 males and 6 females, aged (75.25±3.01)years old, with a disease course of (17.50±8.50)years. The interviews showed that there were three themes in the area of family support: difficulties in disease management (in terms of diet, exercise, medication, disease surveillance, health knowledge and quitting unhealthy habits), helpfulness of family support in management of above behaviors, differences between family support and support from others (including eating habits, information sharing, emotional support, patient trust, and continuity of support).Conclusions:The elderly diabetic patients in the community have some awareness of health management, but there is still much room for improvement. The supervision and support from family members can help patients improve their self-management and quality of life.
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Objective:To investigate interleukin-37 (IL-37) expression in patients with diabetic kidney disease (DKD), and to assess the regulation of exogenous IL-37 on CD8 + T cell function in DKD patients. Methods:A cross-section study was carried out. Twenty healthy controls, thirty-six patients with diabetes mellitus type 2 (T2DM), and forty-seven DKD patients were enrolled in the study. Peripheral blood was collected. Plasma and peripheral blood mononuclear cells were isolated. IL-37 and soluble IL-1 receptor 8 (IL-1R8) levels in the plasma were measured by enzyme-linked immunosorbent assay (ELISA). IL-18 receptor α chain (IL-18Rα), IL-1R8 and immune checkpoint molecules levels in CD8 + T cells were measured by flow cytometry. CD8 + T cells were purified, and were stimulated with recombinant IL-37. CD8 + T cells were co-cultured with HEK293 cells in either direct contact or indirect contact manner. Levels of perforin, granzyme B, interferon-γ (IFN-γ) and tumor necrosis factor-α (TNF-α) were measured by ELISA. The proportion of target cell death was assessed by measuring lactate dehydrogenase level. Results:Plasma IL-37 levels in DKD patients [(63.42±23.30) ng/L] were significant lower than those in healthy controls [(143.02±50.67) ng/L] and T2DM patients [(87.88±40.62) ng/L] ( t=8.848, P<0.001; t=3.456, P<0.001). Plasma IL-37 level had good predictive values for T2DM in health individuals and for DKD in T2DM patients [the area under the curve was 0.797 (95% CI 0.676-0.917, P<0.001) and 0.691 (95% CI 0.576-0.807, P=0.003), respectively]. Plasma IL-37 level was negatively correlated with urea nitrogen ( r=-0.313, P=0.032) and creatinine ( r=-0.477, P<0.001), and positively correlated with estimated glomerular filtration rate (eGFR) ( r s=0.478, P<0.001) in DKD patients. IL-1R8 + CD8 + cell proportion in DKD patients (33.60%±9.47%) was significantly higher compared to healthy controls (16.29%±5.97%) and T2DM patients (17.13%±4.85%) ( t=7.545, 9.516, both P<0.001), but did not correlate with fast blood glucose, urea nitrogen, creatinine, or eGFR (all P>0.05). There were no statistical differences of IL-18Rα + CD8 + cell proportion, soluble IL-1R8 level, or immune checkpoint molecule proportion in CD8 + T cells among healthy controls, T2DM patients, and DKD patients (all P>0.05). Perforin and granzyme B secretions by CD8 + T cells were significantly elevated in DKD patients compared with healthy controls [(108.78±12.42) ng/L vs. (94.60±10.07) ng/L, t=3.096, P=0.005; (261.34±48.79) ng/L vs. (166.28±30.80) ng/L, t=3.387, P=0.002] and T2DM patients [(108.78±12.42) ng/L vs. (92.58±14.71) ng/L, t=3.263, P=0.003; (261.34±48.79) ng/L vs. (170.66±39.24) ng/L, t=2.627, P=0.014]. There were no significant differences of either IFN-γ or TNF-α secretions by CD8 + T cells among healthy controls, T2DM patients, and DKD patients (all P>0.05). In direct contact co-culture manner, CD8 + T cell-induced HEK293 cell death was down- regulated (13.03%±4.97% vs. 17.88%±5.19%, t=2.235, P=0.037). The levels of perforin [(222.02±25.79) ng/L vs. (294.30±25.58) ng/L, t=6.603, P<0.001], granzyme B [(416.27±90.24) ng/L vs. (524.71±115.53) ng/L, t=2.454, P=0.023], IFN-γ [(23.66±4.20) ng/L vs. (35.18±8.51) ng/L, t=4.026, P<0.001] and TNF-α [(1.62±0.29) μg/L vs. (2.09±0.57) μg/L, t=2.302, P=0.034] were also reduced as well. In indirect contact co-culture manner, there were no significant differences of CD8 + T cell-induced HEK293 cell death, perforin, or granzyme B levels between no stimulation and IL-37 stimulation (all P>0.05). IFN-γ and TNF-α levels in the supernatants were reduced in response to IL-37 stimulation [(23.56±6.24) ng/L vs. (32.56±9.90) ng/L, t=2.550, P=0.019; (1.41±0.31) μg/L vs. (2.10±0.44) μg/L, t=4.011, P<0.001]. Conclusion:IL-37 level is reduced in DKD patients.Exogenous IL-37 suppresses the cytotoxicity of CD8 + T cells in DKD patients.
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ObjectiveTo establish a nude mouse model of type 2 diabetes mellitus (T2DM) and pancreatic cancer that allows dynamic observation of tumor formation process and facilitates in vivo research. MethodsAt first, human pancreatic cancer PANC-1 cells were transfected with lentiviral vector GV260 to construct the pancreatic cancer cell line PANC-1-Luc with stable expression of firefly luciferase. Then, 36 specific pathogen-free nude mice were randomly divided into control group with 12 mice and model group with 24 mice (nude mice with T2DM and pancreatic cancer). The mice in the control group were fed with breeding diet and were then given ectopic subcutaneous implantation of PANC-1-Luc cells, and those in the model group were first given high-fat diet and intraperitoneal injection of 1% STZ, followed by ectopic subcutaneous implantation of PANC-1-Luc cells. The fluorescence in vivo imaging system and the manual measurement method were used for simultaneous and dynamic monitoring of the growth of pancreatic cancer in nude mice in the two groups, and the tumor growth curve was plotted to investigate the correlation between fluorescence value and tumor volume. Subcutaneous tumors and pancreatic islets were observed under a microscope to verify whether the model was successfully established, and immunohistochemistry was used to measure the expression of Ki-67 in tumor tissue to investigate the influence of hyperglycemia on the growth of pancreatic cancer in nude mice. The independent-samples t test was used for comparison of normally distributed continuous data between groups, and the Mann-Whitney U test was used for comparison of non-normally distributed continuous data between groups. ResultsThe optimal virus titer was determined as 5×107 TU/mL for the stable transfection of lentiviral vector in PANC-1 cells, and the optimal concentration selected with puromycin was 20 μg/mL, with an optimal selection time of 9 days. The fluorescence value of PANC-1-Luc cells was linearly and positively correlated with the number of cells, with the linear equation of y=42.56x-42 504 (r=0.977, P=0.004). The blood glucose value of T2DM nude mice was 23.05 (19.25 — 26.40) mmol/L, with a blood glucose level of >11.1 mmol/L in each nude mouse, and there was a significant difference in blood glucose value between the T2DM nude mice and the control nude [6.15 (5.20 — 7.30) mmol/L] (Z=-8.45, P<0.001). Compared with the control group, the model group had reductions in the number and volume of pancreatic islets, with irregular shapes and unclear boundaries, and pathological examination confirmed that the xenograft tumor was pancreatic cancer tissue, which showed that the model was established successfully. In the model group, there was a linear positive correlation between subcutaneous tumor size and fluorescence values, with the linear equation of y=232 348 691x-8 258 608 (r=0.911, P=0.031). The model group had a significantly higher positive rate of Ki-67 than the control group (50.333%± 7.808% vs 15.917%±4.055%, t=13.55, P<0.001), suggesting rapid tumor proliferation in the model group. ConclusionThe T2DM nude mouse model of pancreatic cancer established in this study can simulate the pathological process of the development and progression of pancreatic cancer in the context of T2DM and dynamically observe the influence of hyperglycemia on the growth of pancreatic cancer cells in vivo, thereby providing a new experimental vector for the in vivo study of the development and progression of pancreatic cancer in the context of T2DM.
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Objective:To investigate the efficacy and safety of atorvastatin combined with indobufen in the treatment of elderly patients with diabetic kidney disease (DKD) complicated with large atheromatous ischemic stroke (LAA-IS) during convalescence.Methods:The clinical data of 102 elderly patients with DKD complicated with LAA-IS during convalescence from September 2018 to April 2022 in Baoding Second Central Hospital were retrospectively analyzed. Among them, 51 patients were treated with atorvastatin combined with indobufen (observation group), 51 patients were treated with atorvastatin combined with aspirin (control group), and both groups were treated continuously for 6 months. The prethrombotic state indexes, neurological function and quality of daily life, carotid artery ultrasound indexes, renal fibrosis indexes before treatment and after treatment were compared between two group. The prethrombotic state indexes included arachidonic acid (AA) and adenosine diphosphate (ADP) induction platelet aggregation rate, fibrinogen (FIB), protein C; the National Institutes of Health Stroke Scale (NIHSS) was used to evaluate the neurological function, and the modified Barthel index (MBI) was used to evaluate the quality of daily life; carotid artery ultrasound indexes included carotid artery intima-media thickness (IMT) and maximum plaque area; the renal fibrosis indexes included transforming growth factor-β 1 (TGF-β 1), matrix metalloproteinase-9 (MMP-9), hyaluronic acid and platelet derived growth factor-BB (PDGF-BB). The adverse reactions were recorded. Results:There were no statistical differences in the all indexes before treatment between two groups ( P>0.05). In two groups, compared before treatment, the AA induction platelet aggregation rate, ADP induction platelet aggregation rate, FIB, NIHSS score, IMT and maximum plaque area after treatment were significantly lower, the protein C and MBI score were significantly higher, and there were statistical differences ( P<0.01); but there were no statistical differences after treatment between two groups ( P>0.05). The TGF-β 1, MMP-9, hyaluronic acid and PDGF-BB after treatment in two groups were significantly lower than before treatment, and the indexes in observation group were significantly lower than those in control group: (39.46 ± 6.89) μg/L vs. (45.04 ± 8.20) μg/L, (278.46 ± 49.39) μg/L vs. (327.30 ± 57.28) μg/L, (102.37 ± 20.62) μg/L vs. (116.84 ± 24.97) μg/L vs. (25.26 ± 4.45) μg/L vs. (28.13 ± 5.08) μg/L, with statistically significant differences( P<0.01). The incidence of adverse reactions in observation group was significantly lower than that in control group: 7.84% (4/51) vs. 23.53% (12/51), and there was statistical difference ( P<0.05). Conclusions:Compared with atorvastatin combined with aspirin, atorvastatin combined with indobufen in elderly patients with DKD complicated with LAA-IS during convalescence has the same effect in improving the related indicators of prethrombotic state, reducing neurological function deficit, improving the ability of daily living, and reversing carotid atherosclerosis. However, atorvastatin combined with indobufen can further protect renal function with higher safety.
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Objective:To investigate the efficacy of the combination of semaglutide, insulin degludec, and metformin in the treatment of type 2 diabetes mellitus and poor glycemic control accompanied by overweight or obesity.Methods:A total of 160 patients with type 2 diabetes mellitus and poor glycemic control accompanied by overweight or obesity were included in this case-control study after receiving treatment at Bayannur Hospital from April 2022 to March 2023. These patients were divided into a control group and an observation group based on different treatment regimens, with 80 patients in each group. The control group was treated with degludec insulin combined with metformin, while the observation group was treated with semaglutide, degludec insulin, and metformin. The treatment lasted for 12 weeks in both groups. The changes in fasting plasma glucose, 2-hour postprandial blood glucose (2 h PG), glycosylated hemoglobin, time in range for 2 h PG, fasting insulin, Homeostatic Model Assessment for Insulin Resistance index, body mass index, and visceral fat area and adverse reactions were monitored.Results:The overall response rate in the observation group was 100% (80/80), which was significantly higher than 97.5% (78/80) in the control group (χ 2 = 11.03, P < 0.05). After treatment, the levels of 2 h PG, glycosylated hemoglobin, fasting insulin, Homeostatic Model Assessment for Insulin Resistance index, body mass index, visceral fat area in the observation group were (7.35 ± 0.17) mmol/L, (6.08 ± 0.24)%, (10.30 ± 2.58) μU/mL,(2.69 ± 0.66), (24.40 ± 0.68) kg/m 2, (80.20 ± 8.94) cm 2, respectively, which were significantly lower than (7.92 ± 0.24) mmol/L, (6.34 ± 0.27)%,(13.71 ± 3.13) μU/mL,(3.57 ± 0.83), (26.77 ± 3.49) kg/m 2, (116.12 ± 34.09) cm 2 respectively in the control group ( t = -0.73, -3.74, -4.20, -4.15, -3.35, -5.10, all P < 0.05). The time in range for 2 h PG in the observation group was (72.68 ± 4.09)%, which was significantly higher than (50.16 ± 10.00)% in the control group ( t = -10.42, P < 0.05). The incidence of adverse reactions in the observation group was 3.8% (3/80), which was slightly, but not significantly, higher than 2.5% (2/80) in the control group ( P > 0.05). Conclusion:The combination of semaglutide, degludec insulin, and metformin demonstrates an ideal clinical effect in the treatment of type 2 diabetes mellitus and poor glycemic control accompanied by overweight or obesity. This combined approach can effectively regulate fasting and postprandial blood glucose levels, markedly decrease the body mass index and visceral fat levels, and improve insulin resistance while not significantly increasing the incidence of adverse reactions.