Association between the dietary inflammatory index and all-cause and cardiovascular mortality in patients with atherosclerotic cardiovascular disease

Association between oxidative balance score and all-cause mortality in stroke survivors

Stroke is the second leading cause of death globally. Oxidative stress plays a critical role in the development of stroke. The Oxidative Balance Score (OBS) is a tool used to assess the combined impact of diet and lifestyle on the body's antioxidant capacity. The study included stroke survivors from the National Health and Nutrition Examination Survey (1999-2018), with a total of 1,781 participants and a median follow-up duration of 6.5 years, during which 786 participants (39.59%) died. The relationship between OBS and all-cause mortality was assessed using the Cox proportional hazards model. The results indicated that individuals in higher OBS quartiles had lower mortality rates. Specifically, patients in the fourth quartile had a 41% reduced risk of all-cause mortality compared to those in the first quartile (HR = 0.59, 95% CI = 0.42-0.84, p = 0.003). Restricted cubic spline analysis revealed a linear inverse relationship between OBS and all-cause mortality. Subgroup analysis further demonstrated that the inverse association persisted across various population subgroups. Overall, our study suggests that higher levels of OBS can reduce the risk of all-cause mortality in stroke survivors and provides new evidence for their diet and lifestyle.

Rice bran peptides target lectin-like oxidized low-density lipoprotein receptor-1 to ameliorate atherosclerosis

Food-derived multifunctional peptides offer numerous health benefits through different biochemical pathways. However, their impact on aging-related atherosclerotic cardiovascular disease (ASCVD), especially atherosclerosis, remains underexplored despite cardiovascular disease (CVD) being the leading cause of death globally. In this study, NHANES data and Mendelian randomization were used to analyze the association between lipid metabolism disorders, systemic immune responses, dietary inflammatory index, and ASCVD. The results showed that they were all positively correlated with ASCVD. A dietary intervention was used to induce a mouse model of atherosclerosis through a high-fat diet (HFD). Our findings demonstrate that rice bran peptide could mitigate the typical pathological features of atherosclerosis. Molecular docking analysis further predicted that lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) is a key target of rice bran peptide. This prediction was validated through a two-cell model of endothelial cells and lox-1-interfered macrophages. Therefore, targeting LOX-1 with rice bran peptide inhibits the excessive uptake of oxidized LDL (ox-LDL) by macrophages, thereby hindering the mass production of foam cells, which is crucial in preventing the early onset of atherosclerosis.

Association of dietary inflammatory index with ocular diseases: a population-based cross-sectional study

BACKGROUND

Our research was designed to investigate the relationship between dietary inflammatory index (DII) and risk of ocular diseases, including glaucoma, cataract, age-related macular degeneration (ARMD), and diabetic retinopathy.

METHODS

We used the National Health and Nutrition Examination Survey (NHANES) data from 2005 to 2008 to conduct this study. The correlation between DII and risk of ocular diseases was examined using weighted multivariable logistic regression analysis, restricted cubic spline (RCS) plots, and subgroup analysis.

RESULTS

In total, 2885 participants from the NHANES database were included. The DII scores were divided into four group: Q1 (- 4.438-0.386), Q2 (0.387-1.848), Q3 (1.849-3.073), and Q4 (3.074-4.970). RCS shown that there was a U-shaped correlation between DII and prevalence of glaucoma, cataract, ARMD, and diabetic retinopathy. After adjusting for underlying confounding variables, compared to Q1 group, the odd ratios (ORs) with 95 percent confidence intervals (CIs) for glaucoma, cataract, ARMD, and diabetic retinopathy across the quartiles were [0.97 (0.54, 1.75), 1.20 (0.68, 2.11), and 1.29 (0.73, 2.30)], [0.87 (0.56, 1.35), 1.12 (0.73, 1.73), and 1.16 (0.75, 1.80)], [0.85 (0.53, 1.36), 0.66 (0.40, 1.09), and 0.97 (0.61, 1.56)] and [0.86 (0.63, 1.18), 0.89 (0.65, 1.22), and 1.04 (0.75, 1.45)] for DII, respectively.

CONCLUSIONS

Reducing the intake of pro-inflammatory foods may be an effective measure to prevent the onset of ocular disease, including glaucoma, cataract, ARMD, and diabetic retinopathy. However, eating only anti-inflammatory foods is not the best choice.

Association of glucose to lymphocyte ratio with the risk of death in patients with atherosclerotic cardiovascular disease

Atherosclerotic cardiovascular disease (ASCVD) is a leading cause of mortality worldwide. Dysregulation of glucose metabolism and inflammation are key factors in the development of atherosclerosis. The glucose-to-lymphocyte ratio (GLR) is a comprehensive marker for assessing glucose metabolism and inflammation. This study aims to evaluate the association between GLR and all-cause as well as cardiovascular disease (CVD) mortality in patients with ASCVD within the U.S. population. This retrospective cohort study recruited 1,753 ASCVD patients from the 2003-2018 National Health and Nutrition Examination Survey (NHANES) with a median follow-up of 6.25 years. Mortality outcomes were determined by linkage to the National Death Index (NDI) records up to December 31, 2019. Weighted Cox proportional hazard models were used to assess the independent association between GLR and mortality risk. Restricted cubic spline (RCS) curves were used to display the relationship between GLR and all-cause mortality visually, and two-segment Cox proportional hazards models were constructed on either side of the inflection points. Kaplan-Meier survival curves were further used to assess the relationship between GLR and mortality, and further subgroup analyses were performed. Receiver operating characteristic curve (ROC) analysis was conducted to assess the predictive ability of GLR for survival. During a median follow-up of 6.25 years, 624 deaths from various causes were observed, with 254 deaths from CVD. Cox regression analysis revealed a positive association between GLR and both all-cause and CVD mortality. Based on RCS, a J-shaped nonlinear relationship was observed between GLR and all-cause mortality in ASCVD patients, with an inflection point at 3.13. When the GLR < 3.13, it showed a significant negative association with all-cause mortality (HR 0.65, 95% CI 0.47-0.89). When GLR ≥ 3.13 for all-cause mortality, there was a significant positive correlation with all-cause mortality (HR 1.13, 95% CI 1.09-1.17). Subgroup analysis revealed a positive association between GLR and CVD mortality across most subgroups, but the correlation between GLR and CVD mortality was weaker compared to its association with all-cause mortality. In addition, an interaction was detected between GLR and age in relation to all-cause mortality. Moreover, the predictive performance of GLR on all-cause and CVD mortality seemed superior to that of glucose or lymphocytes. Our findings indicate that elevated GLR was closely associated with an increased risk of all-cause mortality and CVD mortality in ASCVD patients. Notably, the relationship between GLR and all-cause mortality exhibited a J-shaped nonlinear pattern, with an inflection point at 3.13.

The association between the dietary inflammatory index and cardiorespiratory fitness in United States young adults: a cross-sectional study from the National Health and Nutrition Examination Study, 1999-2004

Background

Cardiorespiratory fitness (CRF) is a vital indicator of overall health and cardiovascular efficiency. Systemic inflammation significantly impacts CRF, and reducing systemic inflammation may serve as an effective strategy to improve CRF. Diet plays a crucial role in systemic inflammation, but daily dietary intake typically involves multiple elements rather than a single nutrient. The Dietary Inflammatory Index (DII) provides an overall assessment of dietary inflammation on the basis of the anti-inflammatory and pro-inflammatory effects of the nutrients consumed. However, the relationship between DII and CRF is not yet well understood.

Aims

To examine the association between the DII and CRF.

Method

This study analyzed 3,087 participants from the National Health and Nutrition Examination Survey (NHANES) between 1999 and 2002. The study subjects were divided into three distinct groups by DII tertile: T1 (n = 1,027), T2 (n = 1,029), and T3 (n = 1,031). The associations between DII levels and CRF were examined via logistic regression analysis and restricted cubic splines (RCSs).

Results

Elevated DII scores were significantly linked to low CRF levels. Compared with those in the lowest tertile, participants in the highest DII tertile exhibited a greater prevalence of low CRF (T1: 10.85%, T2: 16.32%, T3: 19.31%). In the model with full adjustments, elevated scores on the DII were consistently linked with a heightened likelihood of low CRF (OR: 1.17, 95% CI: 1.07-1.28; P < 0.001). Compared with those in the T1 group, participants with higher DIIs had an increased risk of lower CRF (T2: OR: 1.42, 95% CI: 1.01-2.01, P = 0.046; T3: OR: 1.71, 95% CI: 1.22-2.40, P = 0.003). Additionally, a significant interaction (P = 0.045) between sex and the DII for low CRF was observed within the population.

Conclusion

A higher DII score is linked to an elevated risk of low CRF. Moreover, sex can impact CRF, with women being more prone to low CRF.

Racial and Ethnic Disparities in Diabetes Prevention Outcomes: Insights from the Prediabetes Informed Decisions and Education Study

Background

To achieve health equity, interventions should yield similar effectiveness across all patient subgroups. However, the adoption of diabetes prevention strategies and successful weight loss in "real-world" Diabetes Prevention Program (DPP) translational studies have varied by race and ethnicity. We examined racial and ethnic differences in diabetes prevention outcomes among study participants from the Prediabetes Informed Decisions and Education (PRIDE) Study.

Methods

In a retrospective analysis of data from the PRIDE cluster randomized trial across a large health system, we examined (1) percent weight change and (2) uptake of DPP and/or metformin among overweight/obese participants with prediabetes 12 months after participating in a pharmacist-led shared decision-making (SDM) intervention. We stratified the outcomes by race and ethnicity using a generalized linear mixed-effects model.

Results

The study participants (n = 515) had an average age of 56 years (standard deviation [SD] = 11.0), hemoglobin A1c of 6.0% (SD = 0.20), and body mass index of 30.3 (SD = 5.2). Black/African American and Latino study participants lost significantly less weight at the 12-month follow-up compared with White/Caucasian participants (-1.0% and -1.2%, respectively, vs. -3.3%, p < 0.01 for both comparisons). There was no significant difference in the adoption of diabetes prevention strategies between racial and ethnic groups after completing an educational SDM intervention.

Conclusion

To better promote health equity, future studies should investigate the potential causal factors for these differences in weight loss, such as variations in socioeconomic status, physical activity, cultural influences, and neighborhood characteristics.

Association of two novel systemic inflammatory biomarkers and frailty based on NHANES 2007-2018

Background

Frailty is a significant concern in the field of public health. However, currently, there is a lack of widely recognized and reliable biological markers for frailty. This study aims to investigate the association between systemic inflammatory biomarkers and frailty in the older adult population in the United States.

Methods

This study employed data from the National Health and Nutrition Examination Survey (NHANES) spanning 2007 to 2018 and conducted a rigorous cross-sectional analysis. We constructed weighted logistic regression models to explore the correlation between the Systemic Immune-Inflammation Index (SII), Systemic Inflammatory Response Index (SIRI), and frailty in the population aged 40 to 80 years. Using restricted cubic spline (RCS), we successfully visualized the relationship between SII, SIRI, and frailty. Finally, we presented stratified analyses and interaction tests of covariates in a forest plot.

Results

This study involved 11,234 participants, 45.95% male and 54.05% female, with an average age of 64.75 ± 0.13 years. After adjusting for relevant covariates, the weighted logistic regression model indicated an odds ratio (OR) and 95% confidence interval(CI) for the correlation between frailty and the natural logarithm (ln) transformed lnSII and lnSIRI as 1.38 (1.24-1.54) and 1.69 (1.53-1.88), respectively. Subsequently, we assessed different levels of lnSII and lnSIRI, finding consistent results. In the lnSII group model, the likelihood of frailty significantly increased in the fourth quartile (OR = 1.82, 95% CI: 1.55-2.12) compared to the second quartile. In the lnSIRI group model, the likelihood of frailty significantly increased in the third quartile (OR = 1.30, 95% CI: 1.10-1.53) and fourth quartile (OR = 2.29, 95% CI: 1.95-2.70) compared to the second quartile. The interaction results indicate that age and income-to-poverty ratio influence the association between lnSIRI and frailty. RCS demonstrated a nonlinear relationship between lnSII, lnSIRI, and frailty.

Conclusion

The results of this cross-sectional study indicate a positive correlation between systemic inflammatory biomarkers (SII, SIRI) and frailty.

Exploring the Landscape of Anti-Inflammatory Trials: A Comprehensive Review of Strategies for Targeting Inflammation in Acute Myocardial Infraction

The role of inflammation in the pathophysiology of acute myocardial infarction (AMI) is well established. In recognizing inflammation's pivotal role in AMI, this manuscript systematically traces the historical studies spanning from early attempts to the present landscape. Several anti-inflammatory trials targeting inflammation in post-AMI have been performed, and this review includes the key trials, as well as examines their designs, patient demographics, and primary outcomes. Efficacies and challenges are analyzed, thereby shedding light on the translational implications of trial outcomes. This article also discusses emerging trends, ongoing research, and potential future directions in the field. Practical applications and implications for clinical practice are considered by providing a holistic view of the evolving landscape of anti-inflammatory interventions in the context of AMI.