Vitamin D deficiency (VDD) owing to its immunomodulatory effects is believed to influence outcomes in COVID-19. We conducted a prospective, observational study of patients, hospitalized with COVID-19. Serum 25-OHD level < 20 ng/mL was considered VDD. Patients were classified as having mild and severe disease on basis of the WHO ordinal scale for clinical improvement (OSCI). Of the 410 patients recruited, patients with VDD (197,48.2%) were significantly younger and had lesser comorbidities. The levels of PTH were significantly higher in the VDD group (63.5 ± 54.4 vs. 47.5 ± 42.9 pg/mL). The proportion of severe cases (13.2% vs.14.6%), mortality (2% vs. 5.2%), oxygen requirement (34.5% vs.43.4%), ICU admission (14.7% vs.19.8%) was not significantly different between patients with or without VDD. There was no significant correlation between serum 25-OHD levels and inflammatory markers studied. Serum parathormone levels correlated with D-dimer (r 0.117, p- 0.019), ferritin (r 0.132, p-0.010), and LDH (r 0.124, p-0.018). Amongst VDD patients, 128(64.9%) were treated with oral cholecalciferol (median dose of 60,000 IU). The proportion of severe cases, oxygen, or ICU admission was not significantly different in the treated vs. untreated group. In conclusion, serum 25-OHD levels at admission did not correlate with inflammatory markers, clinical outcomes, or mortality in hospitalized COVID-19 patients. Treatment of VDD with cholecalciferol did not make any difference to the outcomes.
Aim: To study the prevalence of thyroid dysfunction and its association with disease severity in hospitalized patients of coronavirus disease-19 (COVID-19). Methods: In this retrospective cohort study, thyroid function tests (TFT) of 236 hospitalized patients of COVID-19, along with demographic, comorbid, clinical, biochemical, and disease severity records were analysed. Patients were divided into previous euthyroid or hypothyroid status to observe the effect of prior hypothyroidism on severity of COVID-19. Results: TFT abnormalities were common. Low free T3 (FT3), high thyroid stimulating hormone (TSH) and low TSH were seen in 56 (23.7%), 15 (6.4%) and 9 (3.8%) patients, respectively. The median levels of TSH (2.06 vs 1.26 mIU/mL, p=0.001) and FT3 (2.94 vs 2.47 pg/mL, p=0.000) were significantly lower in severe disease. Previous hypothyroid status (n=43) was associated with older age, higher frequency of comorbidities, higher FT4 and lower FT3. TFT did not correlate with markers of inflammation (except lactate dehydrogenase), however, FT3 and TSH negatively correlated with outcome severity score and duration of hospital stay. Cox-regression analysis showed that low FT3 was associated with severe COVID-19 (p=0.032, HR 0.302; CI 0.101-0.904), irrespective of prior hypothyroidism. Conclusions: Functional thyroid abnormalities (low FT3 and low TSH) are frequently seen in hospitalized patients of COVID-19. Although these abnormalities did not correlate with markers of inflammation, this study shows that low FT3 at admission independently predicts severity of COVID-19.
Background:Long-term efficacy of liraglutide, a glucagon-like peptide-1 analog, on body weight and glycemic control has not been studied in Indian Type 2 diabetes mellitus (T2DM) subjects.Aim:To evaluate the effect of liraglutide on glycemic control and body weight for 1 year in Indian T2DM patients.Methods:Liraglutide was prescribed to 96 obese patients with T2DM and followed up for 1 year. Clinical parameters were measured at baseline and 3, 6, 9, and 12 months. Dosage of liraglutide and other medications was adjusted according to clinical judgment.Results:1 year data were available for 74 patients. Mean age was 50.9 ± 9.6 years. Mean duration of diabetes was 11.6 ± 6.3 years. Glycosylated hemoglobin (HbA1c) significantly decreased from 8.9 ± 1.3% at baseline to 7.4 ± 1.2% at 1 year. Body weight significantly declined from 98.9 ± 16.0 kg at baseline to 93.8 ± 15.0 kg at 1 year. After an initial decline, subset of patients had an increase in mean HbA1c (n = 30/74) and mean body weight (n = 33/74) after 6 months of liraglutide initiation. Baseline HbA1c and baseline body weight were positively associated with a reduction of HbA1c and body weight at 1 year, respectively. No major side effects occurred.Conclusion:Liraglutide treatment resulted in a significant and sustained reduction in HbA1c and body weight over 1 year in Indian T2DM patients. Magnitude of reduction of HbA1c and body weight at 1 year was positively associated with baseline HbA1c and baseline weight, respectively.
Pioglitazone improves glycemic control by acting as an insulin sensitizer and is used in the management of Type 2 diabetes mellitus. Pioglitazone has recently been at the center of a controversy with regards to its safety. There is no clear consensus on how, when and in what dose the drug should be used in the management of diabetes. We have summarized our strategy on pioglitazone use in Type 2 diabetes in a large private tertiary care center - Medanta, the Medicity- which may help in generating further thought about positioning of this anti-diabetic molecule. We use pioglitazone as the fourth in the pecking order of oral anti-diabetic agents. We typically use pioglitazone in a dose of 15 mg/day. We avoid using pioglitazone with insulin. We do not use pioglitazone under following situations: In the presence of significant or proven cardiac disease, in patients who are struggling with their weight or need to lose weight, in patients at high risk for osteoporotic fractures, in patients with macular edema, in patients with pre-existing bladder cancer and would discontinue in case hematuria or any other symptom of bladder cancer develops. We continue to use the drug in patients well controlled on it without any evident side-effects or contraindications.
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