The effect of l-arginine supplementation on amelioration of oxygen support in severe COVID-19 pneumonia.

BACKGROUND & AIMS: l-Arginine (l-Arg) has been shown to help reduce respiratory support requirements in coronavirus disease 2019 (COVID-19), in an Italian study. We investigated the effect of l-Arg supplementation on the reduction in respiratory support for patients with severe COVID-19 pneumonia in an Indian population. METHODS: A parallel-group, triple-blinded, randomized controlled trial (RCT) was conducted on patients with severe COVID-19 pneumonia on oxygen (O2) support. Patients received either 3 g of oral l-Arg or placebo, daily under supervision, until they were off O2 support, or for a maximum of 10 days, whichever was earlier. The primary outcome was cessation in O2 support. Other outcomes were time to cessation of O2 support, duration of hospitalization, and incidence of adverse thrombotic events. RESULTS: We did an intention-to-treat analysis on 74 patients who were randomized into l-Arg (n = 38) or placebo group (n = 36). There were no significant differences between the two groups in the outcomes. At end of the study, 28 patients (73.6%) in l-Arg and 26 patients (72.2%) in the placebo group were weaned off oxygen support. The median number of days to the cessation of O2 support estimated using Kaplan Meir survival analysis, was 3 days in the l-Arg group (95% confidence interval [CI]: 1.2, 4.7) and 5 days in the placebo group (95% CI, 4.1,5.8); P = 0.27. CONCLUSION: In this group of patients with severe COVID-19 pneumonia, l-Arg supplementation did not show any significant difference in outcomes when compared to placebo supplementation.

There should always be a free lunch: the impact of COVID-19 lockdown suspension of the mid-day meal on nutriture of primary school children in Karnataka, India.

Background: The COVID-19 pandemic lockdown in 2020 resulted in school closures with eventual suspension of the mid-day meal programme, biannual deworming and iron-folic acid supplements. One year into the lockdown, we evaluated the impact of the withdrawal of these programmes on the nutritional status of rural primary-school children, aged 6-12 years, in Karnataka, India. Methods: Anthropometry, haemoglobin, serum ferritin and C reactive protein were measured in 290 children at two time points, 1 year apart, starting from just before the lockdown (February 2020 to February 2021). Results: The prevalence of anaemia doubled from 21% to 40% (p<0.0001) with more pronounced changes in older girls (10%-53%); however, the prevalence of iron deficiency did not change (48.8%-51.9%), despite cessation of deworming and iron/folic acid supplements. Conclusion: The increase in anaemia was due to limiting intakes of other erythropoietic nutrients, possibly due to a lower dietary diversity. The mid-day lunch meal at school (MDM) is an important part of daily food intake in rural school children, and it is important to maintain dietary diversity through the delivery of MDM for such vulnerable groups.

Role of cash transfers in mitigating food insecurity in India during the COVID-19 pandemic: a longitudinal study in the Bihar state.

OBJECTIVE: There are scant empirical data on the impacts of the COVID-19 pandemic on food security across the globe. India is no exception, with insights into the impacts of lockdown on food insecurity now emerging. We contribute to the empirical evidence on the prevalence of food insecurity in Bihar state before and after lockdown, and whether the government's policy of cash transfer moderated negative effects of food insecurity or not. DESIGN: This was a longitudinal study. SETTINGS: The study was conducted in Gaya and Nalanda district of Bihar state in India from December 2019 to September 2020. PARTICIPANTS: A total of 1797 households were surveyed in survey 1, and about 52% (n=939) were followed up in survey 2. Valid data for 859 households were considered for the analysis. MAIN OUTCOME MEASURES: Using the Food Insecurity Experience Scale, we found that household conditions were compared before and after lockdown. The effect of cash transfers was examined in a quasi-experimental method using a longitudinal study design. Logistic regression and propensity score adjusted analyses were used to identify factors associated with food insecurity. RESULTS: Household food insecurity worsened considerably during lockdown, rising from 20% (95% CI 17.4 to 22.8) to 47% (95% CI 43.8 to 50.4) at the sample mean. Households experiencing negative income shocks were more likely to have been food insecure before the lockdown (adjusted OR 6.4, 95% CI 4.9 to 8.3). However, households that received cash transfers had lower odds of being food insecure once the lockdown was lifted (adjusted OR 0.75, 95% CI 0.56 to 0.99). CONCLUSION: These findings provide evidence on how the swift economic response to the pandemic crises using targeted income transfers was relatively successful in mitigating potentially deep impacts of food insecurity.

Central obesity in low BMI as a risk factor for COVID-19 severity in South Indians.

BACKGROUND AND OBJECTIVES: South Asians are known to have excess adiposity at a lower body mass index, with truncal fat accumulation. Whether this confers higher risk to develop severe COVID-19 is not known. This study evaluated body mass index, body fat mass and waist circumference as risk factors for COVID-19 severity and its progression, in South Asian adults. METHODS AND STUDY DESIGN: Details of COVID-19 patients (19-90 years) were obtained prospectively, along with weight, height, waist circumference and body fat mass assessed by bioelectrical impedance analysis. Binomial logistic and Poisson regression were performed to test associations between waist circumference, body fat mass and body mass index to evaluate the adjusted OR or relative risk for disease severity at admission and length of stay. RESULTS: After adjusting for age, sex, height and co-morbidities, body mass index >23 kg/m2 (adjusted OR 2.758, 95% CI 1.025, 7.427), waist circumference (adjusted OR 1.047, 95% CI 1.002, 1.093) and body fat mass (adjusted OR 1.111, 95% CI 1.013, 1.219) were associated with a significant risk for disease severity at admission, while only waist circumference (adjusted relative risk 1.004, 95% CI 1.001, 1.008), and body fat mass (adjusted relative risk 1.011, 95% CI 1.003, 1.018), were associated with a significantly longer length of stay. CONCLUSIONS: Body mass index, at a lower cut-off of >23 kg/m2, is a significant risk factor for COVID-19 disease severity in the group of patients studied. The waist circumference and body fat mass are also good indicators for both severity at admission and length of stay.