scholarly journals Insufficient evidence for Vitamin D use in COVID‐19: A rapid systematic review

2021 ◽  
Author(s):  
Aline Pereira da Rocha ◽  
Alvaro Nagib Atallah ◽  
José Mendes Aldrighi ◽  
Andréa Larissa Ribeiro Pires ◽  
Maria Eduarda dos Santos Puga ◽  
...  
Keyword(s):  
Systematic Review ◽  
Vitamin D ◽  
Insufficient Evidence

Low vitamin D is associated with increased bladder cancer risk; a systematic review and evidence of a potential mechanism

2016 ◽  
Author(s):  
Rosemary Bland ◽  
Corina Chivu ◽  
Kieran Jefferson ◽  
Donald MacDonald ◽  
Gulnaz Iqbal ◽  
...  
Keyword(s):  
Systematic Review ◽  
Vitamin D ◽  
Bladder Cancer ◽  
Cancer Risk ◽  
Potential Mechanism ◽  
Bladder Cancer Risk

scholarly journals Pooled estimate of vitamin D deficiency among pregnant women in India: a systematic review and meta-analysis

2021 ◽  
Vol 40 (1) ◽  
Author(s):  
Angeline Jeyakumar ◽  
Vidhya Shinde ◽  
Reshma Ravindran
Keyword(s):  
Systematic Review ◽  
Vitamin D ◽  
Pregnant Women ◽  
Vitamin D Deficiency ◽  
Meta Analysis ◽  
Health Concern ◽  
Study Quality ◽  
Care Services ◽  
Pooled Prevalence ◽  
Women In India

Abstract Background Vitamin D deficiency among pregnant women is a public health concern globally. In India, individual studies report high prevalence. However, lack of national data masks the true burden. This work determined the pooled prevalence of vitamin D deficiency among pregnant women in India through a systematic review of literature and meta-analysis. Methods Three different search engines yielded 15 eligible articles. Study quality was assessed by 10 different criteria and summary of study quality was categorized as per Cochrane standards. Meta-analysis was performed to estimate pooled prevalence of vitamin D deficiency among healthy pregnant women and heterogeneity among selected studies. A sample of n = 4088 was used to study the pooled prevalence among pregnant women. Results The random effects combined estimate was 32.35% (95% CI, (12.58–117.48). High heterogeneity (tau2 = 0.39, I2 = 100%) and high risk of bias was observed among the selected studies. The test for overall effect was observed to be z = 2.54(P = 0.01). Conclusion Pooled estimate > 30% emphasizes the need for screening through antenatal care services and initiate preventive measures to address the deficiency.

Use of pre-operative calcium and vitamin D supplementation to prevent post-operative hypocalcaemia in patients undergoing thyroidectomy: a systematic review

2021 ◽  
pp. 1-6
Author(s):  
A S Khatiwada ◽  
A S Harris
Keyword(s):  
Systematic Review ◽  
Vitamin D ◽  
Clinical Trials ◽  
Total Thyroidectomy ◽  
Risk Reduction ◽  
Operative Treatment ◽  
Absolute Risk ◽  
Absolute Risk Reduction ◽  
Vitamin D Supplementation ◽  
Absolute Reduction

Abstract Objective This systematic review aimed to establish the evidence behind the use of pre-operative calcium, vitamin D or both calcium and vitamin D to prevent post-operative hypocalcaemia in patients undergoing thyroidectomy. Method This review included prospective clinical trials on adult human patients that were published in English and which studied the effects of pre-operative supplementation with calcium, vitamin D or both calcium and vitamin D on the rate of post-operative hypocalcaemia following total thyroidectomy. Results Seven out of the nine trials included reported statistically significantly reduced rates of post-operative laboratory hypocalcaemia (absolute risk reduction, 13–59 per cent) and symptomatic hypocalcaemia (absolute reduction, 11–40 per cent) following pre-operative supplementation. Conclusion Pre-operative treatment with calcium, vitamin D or both calcium and vitamin D reduces the risk of post-operative hypocalcaemia and should be considered in patients undergoing total thyroidectomy.

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