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Author(s):  
Marco Giammanco ◽  
Fulvio Plescia ◽  
Manfredi M. Giammanco ◽  
Gaetano Leto ◽  
Carla Gentile

Citrus fruits are the main fruits of the Mediterranean diet and have been long recognized for their beneficial effects on human health. Observational studies have shown a significant association between dietary flavo-noid intake and reduced risk of cardiovascular and malignant diseases. The beneficial effects of citrus fruits on human health appear to be due to their high content in vitamins, minerals and fibers. In particular, the an-tioxidant and anti-inflammatory activities have been indicated as some of the mechanisms through which citrus fruits may thwarts the development of chronic degenerative diseases such as atherosclerosis and can-cer. This review would critically examine the results from numerous studies carried out in order assess the contribute of citrus flavonoids to the prevention of chronic pathological conditions including athero-sclerosis and cancer.


2022 ◽  
Vol 11 (2) ◽  
pp. 390
Author(s):  
Takehiro Funamizu ◽  
Hiroshi Iwata ◽  
Yuichi Chikata ◽  
Shinichiro Doi ◽  
Hirohisa Endo ◽  
...  

Background: Patients with end-stage renal disease (ESRD) on chronic hemodialysis who are complicated by coronary artery disease (CAD) are at very high risk of cardiovascular (CV) events and mortality. However, the prognostic benefit of statins, which is firmly established in the general population, is still under debate in this particular population. Methods: As a part of a prospective single-center percutaneous coronary intervention (PCI) registry database, this study included consecutive patients on chronic hemodialysis who underwent PCI for the first time between 2000 and 2016 (n = 201). Participants were divided into 2 groups by following 2 factors, such as (1) with or without statin, and (2) with or without high LDL-C (> and ≤LDL-C = 93 mg/dL, median) at the time of PCI. The primary endpoint was defined as CV death, and the secondary endpoints included all-cause and non-CV death, and 3 point major cardiovascular adverse events (3P-MACE) which is the composite of CV death, non-fatal myocardial infarction and stroke. The median and range of the follow-up period were 2.8, 0–15.2 years, respectively. Results: Kaplan–Meier analyses showed significantly lower cumulative incidences of primary and secondary endpoints other than non-CV deaths in patients receiving statins. Conversely, no difference was observed when patients were divided by the median LDL-C at the time of PCI (p = 0.11). Multivariate Cox proportional hazard analysis identified statins as an independent predictor of reduced risk of CV death (Hazard ratio of statin use: 0.43, 95% confidence interval 0.18–0.88, p = 0.02), all-cause death (HR: 0.50, 95%CI 0.29–0.84, p = 0.007) and 3P-MACE (HR: 0.50, 95%CI 0.25–0.93, p = 0.03). Conclusions: Statins were associated with reduced risk of adverse outcomes in patients with ESRD following PCI.


2022 ◽  
pp. tobaccocontrol-2021-056938
Author(s):  
Stefanie K Gratale ◽  
Ollie Ganz ◽  
Olivia A Wackowski ◽  
M Jane Lewis

BackgroundNatural American Spirit (NAS) is a cigarette brand distinguished by supposed ‘natural’, ‘additive-free’ characteristics, marketing of which is tied to misperceptions of reduced harm. In 2017, NAS’s manufacturer agreed (with the Food and Drug Administration) to remove ‘natural’/‘additive-free’ from US marketing. Prior research has explored NAS marketing immediately post-agreement. This study sought to identify prominent post-agreement terms and themes and analyse how they had been used in pre-agreement ads.MethodsWe conducted a content analysis of NAS ads from 2000 to 2020 (N=176), documenting prominent pre-agreement and post-agreement terms/themes and examining how they are used in NAS ads. We coded for descriptors, themes, imagery and promotions, and extended prior research by analysing how leading post-agreement terms were used in conjunction and thematically associated with ‘additive-free’ and ‘natural’ before the agreement.ResultsResults indicated ‘tobacco and water’ and ‘Real. Simple. Different.’ increased post-agreement, as did environmental imagery. ‘Organic’ was prominent pre-agreement and post-agreement. The descriptors used most often in post-agreement ads almost always appeared in conjunction with (and were thematically linked to) ‘natural’ and ‘additive-free’ in pre-agreement ads.ConclusionsIn the years since the agreement, NAS ads have heavily relied on still-allowable descriptors that may invite reduced risk misperceptions. Notably, these descriptors were consistently used alongside the banned terminology before the agreement and presented as if affiliated conceptually, possibly prompting similar connotations. Findings indicate a continuing need for research into NAS advertising effects and a potential role for additional regulatory action.


2022 ◽  
Author(s):  
Mary-Ann Davies ◽  
Reshma Kassanjee ◽  
Petro Rousseau ◽  
Erna Morden ◽  
Leigh Johnson ◽  
...  

Objectives: We aimed to compare COVID-19 outcomes in the Omicron-driven fourth wave with prior waves in the Western Cape, the contribution of undiagnosed prior infection to differences in outcomes in a context of high seroprevalence due to prior infection, and whether protection against severe disease conferred by prior infection and/or vaccination was maintained. Methods: In this cohort study, we included public sector patients aged ≥20 years with a laboratory confirmed COVID-19 diagnosis between 14 November-11 December 2021 (wave four) and equivalent prior wave periods. We compared the risk between waves of the following outcomes using Cox regression: death, severe hospitalization or death and any hospitalization or death (all ≤14 days after diagnosis) adjusted for age, sex, comorbidities, geography, vaccination and prior infection. Results: We included 5,144 patients from wave four and 11,609 from prior waves. Risk of all outcomes was lower in wave four compared to the Delta-driven wave three (adjusted Hazard Ratio (aHR) [95% confidence interval (CI)] for death 0.27 [0.19; 0.38]. Risk reduction was lower when adjusting for vaccination and prior diagnosed infection (aHR:0.41, 95% CI: 0.29; 0.59) and reduced further when accounting for unascertained prior infections (aHR: 0.72). Vaccine protection was maintained in wave four (aHR for outcome of death: 0.24; 95% CI: 0.10; 0.58). Conclusions: In the Omicron-driven wave, severe COVID-19 outcomes were reduced mostly due to protection conferred by prior infection and/or vaccination, but intrinsically reduced virulence may account for an approximately 25% reduced risk of severe hospitalization or death compared to Delta.


PLoS ONE ◽  
2022 ◽  
Vol 17 (1) ◽  
pp. e0262072
Author(s):  
Yinong Young-Xu ◽  
Jeremy Smith ◽  
Joshua Nealon ◽  
Salaheddin M. Mahmud ◽  
Robertus Van Aalst ◽  
...  

Background Prior studies have established those elderly patients with chronic obstructive pulmonary disease (COPD) are at elevated risk for developing influenza-associated complications such as hospitalization, intensive-care admission, and death. This study sought to determine whether influenza vaccination could improve survival among elderly patients with COPD. Materials/Methods This study included Veterans (age ≥ 65 years) diagnosed with COPD that received care at the United States Veterans Health Administration (VHA) during four influenza seasons, from 2012–2013 to 2015–2016. We linked VHA electronic medical records and Medicare administrative files to Centers for Disease Control and Prevention National Death Index cause of death records as well as influenza surveillance data. A multivariable time-dependent Cox proportional hazards model was used to compare rates of mortality of recipients of influenza vaccination to those who did not have records of influenza vaccination. We estimated hazard ratios (HRs) adjusted for age, gender, race, socioeconomic status, comorbidities, and healthcare utilization. Results Over a span of four influenza seasons, we included 1,856,970 person-seasons of observation where 1,199,275 (65%) had a record of influenza vaccination and 657,695 (35%) did not have a record of influenza vaccination. After adjusting for comorbidities, demographic and socioeconomic characteristics, influenza vaccination was associated with reduced risk of death during the most severe periods of influenza seasons: 75% all-cause (HR = 0.25; 95% CI: 0.24–0.26), 76% respiratory causes (HR = 0.24; 95% CI: 0.21–0.26), and 82% pneumonia/influenza cause (HR = 0.18; 95% CI: 0.13–0.26). A significant part of the effect could be attributed to “healthy vaccinee” bias as reduced risk of mortality was also found during the periods when there was no influenza activity and before patients received vaccination: 30% all-cause (HR = 0.70; 95% CI: 0.65–0.75), 32% respiratory causes (HR = 0.68; 95% CI: 0.60–0.78), and 51% pneumonia/influenza cause (HR = 0.49; 95% CI: 0.31–0.78). However, as a falsification study, we found that influenza vaccination had no impact on hospitalization due to urinary tract infection (HR = 0.97; 95% CI: 0.80–1.18). Conclusions Among elderly patients with COPD, influenza vaccination was associated with reduced risk for all-cause and cause-specific mortality.


2022 ◽  
Vol 7 (2) ◽  
pp. 77-94
Author(s):  
Saad M. Albogami ◽  
Mohd Khairol Anuar Bin Mohd Ariffin ◽  
Eris Elianddy Bin Supeni ◽  
Kamarul Arifin Ahmad

In this paper, a new hybrid AHP and Dempster-Shafer Theory of Evidence is presented for solving the problem of choosing the best project among a list of available alternatives while uncertain risk factors are taken into account. The aim is to minimize overall risks. For this purpose, four groups of risk factors, including Properties, Operational and Technological, Financial, Strategic risk factors, are considered. Then using an L24 Taguchi method, several experiments with various dimensions have been designed and solved by the proposed algorithm. The outcomes are then analyzed using the Validating Index (VI), Reduced Risk Indicator (R.R.I%), and Solving time. The findings indicated that, compared to the classic AHP, the results of the proposed hybrid method were different in most cases due to uncertainty of risk factors. It was observed that the method could be safely used for selecting project problems in real industries.


Author(s):  
Yi-hui Liu ◽  
Zhen Wu ◽  
Ji-yuan Ding ◽  
Yu-dan Shi

Abstract Background The study sought to conduct a systematic review and meta-analysis of the risk of colorectal adenoma or cancer in patients with microscopic colitis (MC). Methods A comprehensive literature search of PubMed and EMBASE databases was performed. Pooled relative risks (RRs) and 95% confidence intervals (CIs) were calculated to examine the effect of MC on the risk of colorectal adenoma or cancer. Results Twelve studies reporting the outcomes of 50 795 patients with MC were eligible for this meta-analysis. MC was negatively associated with the risk of colorectal adenoma compared with participants without MC (RR, 0.44; 95% CI, 0.33-0.58; P < .001; I2 = 87.3%). Also, the rate of colorectal cancer was lower in the patients with MC compared with the general population (RR, 0.62; 95% CI, 0.43-0.89; P = .01; I2 = 91.6%). In addition, sensitivity and subgroup analyses indicated that the results were robust. Conclusions The present systematic review indicated that patients with MC may be associated with a lower risk of colorectal adenoma or cancer. The clinical data support the current professional society guideline. A surveillance colonoscopy program is not recommended as standard for patients with MC.


2021 ◽  
Author(s):  
Wei Xu ◽  
Yan-Min Yang ◽  
Jun Zhu ◽  
Shuang Wu ◽  
Juan Wang ◽  
...  

Abstract Background Renin-angiotensin-aldosterone-system inhibitors markedly played an active role in the primary and secondary prevention of atrial fibrillation (AF), but the impact of angiotensin-converting enzyme inhibitors (ACEIs) or angiotensin receptor blockers (ARBs) on the mortality of patients with AF remains unclear. This study aimed to examine the relationship between treatment with ACEIs or ARBs and the mortality in emergency department (ED) patients with AF and hypertension. Methods This multicenter study enrolled 2016 ED patients from September 2008 to April 2011; Total 1110 patients with AF and hypertension were analyzed. Patients were grouped according to whether they were treated with ACEI/ARB or not and completed a 1-year follow-up to evaluate outcomes including all-cause death, cardiovascular death, stroke, and major adverse events (MAEs). Results Among the 1110 patients with AF and hypertension, 574 (51.7%) received ACEI/ARB treatment. During the 1-year follow-up, 169 all-cause deaths (15.2%) and 100 cardiovascular deaths (9.0%) occurred, while 98 strokes (8.8%) and 255 MAEs (23.0%) occurred. According to the multivariate Cox regression analysis, ACEI/ARB therapy was significantly associated with a reduced risk of all-cause death (HR, 0.642; 95% CI, 0.466–0.884; P = 0.007). Moreover, ACEI/ARB therapy was independently associated with a reduced risk of cardiovascular death (HR, 0.649; 95% CI, 0.424–0.993; P = 0.046) and MAEs (HR: 0.701, 95% CI 0.541–0.907, P = 0.007) after adjusting for other risk factors. Conclusions Our results revealed that ACEI/ARB therapy was independently associated with a reduced risk of all-cause death, cardiovascular death, and MAEs in ED patients with AF and hypertension. These results provide evidence for a tertiary preventive treatment for patients with atrial fibrillation and hypertension.


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