ObjectiveThe accuracy of various 10-year cardiovascular disease (CVD) risk calculators in Indians may not be the same as in other populations. Present study was conducted to compare the various calculators for CVD risk assessment and statin eligibility according to different guidelines.MethodsConsecutive 1110 patients who presented after their first myocardial infarction were included. Their CVD risk was calculated using Framingham Risk score- Coronary heart disease (FRS-CHD), Framingham Risk Score- Cardiovascular Disease (FRS-CVD), QRISK2, Joint British Society risk calculator 3 (JBS3), American College of Cardiology/American Heart Association (ACC/AHA), atherosclerotic cardiovascular disease (ASCVD) and WHO risk charts, assuming that they had presented one day before cardiac event for risk assessment. Eligibility for statin uses was also looked into using ACC/AHA, NICE and Canadian guidelines.ResultsFRS-CVD risk assessment model has performed the best as it could identify the highest number of patients (51.9%) to be at high CVD risk while WHO and ASCVD calculators have performed the worst (only 16.2% and 28.3% patients respectively were stratified into high CVD risk) considering 20% as cut off for high risk definition. QRISK2, JBS3 and FRS-CHD have performed intermediately. Using NICE, ACC/AHA and Canadian guidelines; 76%, 69% and 44.6% patients respectively were found to be eligible for statin use.ConclusionFRS-CVD appears to be the most useful for CVD risk assessment in Indians, but the difference may be because FRS-CVD estimates risk for several additional outcomes as compared with other risk scores. For statin eligibility, however, NICE guideline use is the most appropriate.
Objective-Virtually all adults with Down syndrome (DS) have neuropathological manifestations of Alzheimer's disease (AD) but not all develop the condition. The effect of allelic variants of Apolipoprotein (APOE) gene in the development and progression of AD and mortality in people with DS is examined.Methods-Participants with DS recruited through local clinical services and voluntary organizations underwent 2 to 14 sequential assessments over a follow up period of 5 years on average. Blood samples were collected for determination of the APOE genotype. Dementia status of each participant was confirmed as recommended by the Working Group for the Establishment of Criteria for the Diagnosis of Dementia in Individuals with Intellectual Disability.Results-At the end of the study APOE genotype results were available for 252 individuals and thus included in the analysis. Participants with APOE ε4 allele had a significantly higher risk of developing AD (Hazard ratio = 1.8, 95% CI: 1.12-2.79), had an earlier onset of AD (55.0 vs. 57.0 years; p = .0027) and a more rapid progression to death compared with participants with ε3 allele. In those who did not have AD, presence of ε4 allele was associated with early mortality (Hazard ratio = 5.9, 95% CI: 1.7-21.3).Conclusions-This study highlights the relationship of APOE genotype to morbidity and mortality in people with DS which may have important clinical implications in terms of early identification of individuals at risk. We recommend screening for APOE genotype for individuals with DS early in their life.
Introduction
Universal coverage of vaccines alone cannot be relied upon to protect at-risk populations in lower- and middle-income countries against the impact of the coronavirus disease 2019 (COVID-19) pandemic and newer variants. Live vaccines, including Bacillus Calmette–Guérin (BCG), are being studied for their effectiveness in reducing the incidence and severity of COVID-19 infection.
Methods
In this multi-centre quadruple-blind, parallel assignment randomised control trial, 495 high-risk group adults (aged 18–60 years) were randomised into BCG and placebo arms and followed up for 9 months from the date of vaccination. The primary outcome was the difference in the incidence of COVID-19 infection at the end of 9 months. Secondary outcomes included the difference in the incidence of severe COVID-19 infections, hospitalisation rates, intensive care unit stay, oxygen requirement and mortality at the end of 9 months. The primary analysis was done on an intention-to-treat basis, while safety analysis was done per protocol.
Results
There was no significant difference in the incidence rates of cartridge-based nucleic acid amplification test (CB-NAAT) positive COVID-19 infection [odds ratio (OR) 1.08, 95% confidence interval (CI) 0.54–2.14] in the two groups, but the BCG arm showed a statistically significant decrease in clinically diagnosed (symptomatic) probable COVID-19 infections (OR 0.38, 95% CI 0.20–0.72). Compared with the BCG arm, significantly more patients developed severe COVID-19 pneumonia (CB-NAAT positive) and required hospitalisation and oxygen in the placebo arm (six versus none;
p
= 0.03). One patient belonging to the placebo arm required intensive care unit (ICU) stay and died. BCG had a protective efficacy of 62% (95% CI 28–80%) for likely symptomatic COVID-19 infection.
Conclusions
BCG is protective in reducing the incidence of acute respiratory illness (probable symptomatic COVID-19 infection) and severity of the disease, including hospitalisation, in patients belonging to the high-risk group of COVID-19 infection, and the antibody response persists for quite a long time. A multi-centre study with a larger sample size will help to confirm the findings in this study.
Clinical Trials Registry
Clinical Trials Registry India (CTRI/2020/07/026668).
Supplementary Information
The online version contains supplementary material available at 10.1007/s40121-022-00703-y.
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