The diagnostic accuracy of HbA 1c , compared to the oral glucose tolerance test, for screening for type 2 diabetes mellitus in Africa–a systematic review and meta‐analysis

2021 ◽  
Author(s):  
Tawanda Chivese ◽  
Jennifer Hirst ◽  
Joshua T. Matizanadzo ◽  
Michael Custodio ◽  
Andrew Farmer ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Systematic Review ◽  
Type 2 Diabetes ◽  
Type 2 Diabetes Mellitus ◽  
Glucose Tolerance Test ◽  
Meta Analysis ◽  
Tolerance Test ◽  
Oral Glucose ◽  
Oral Glucose Tolerance

Cinammon (Cinnamomum Spp.) and Type 2 Diabetes Mellitus

2019 ◽  
Vol 18 (3) ◽  
pp. 247-255
Author(s):  
Sierra-Puente D. ◽  
Abadi-Alfie S. ◽  
Arakanchi-Altaled K. ◽  
Bogard-Brondo M. ◽  
García-Lascurain M. ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Type 2 Diabetes ◽  
Type 2 Diabetes Mellitus ◽  
Systematic Reviews ◽  
Meta Analysis ◽  
Fasting Blood Glucose ◽  
Tolerance Test ◽  
Oral Glucose ◽  
Key Aspects

Spices such as cinnamon (Cinnamomum Spp.) have been of interest due to their phytochemical composition that exert hypoglycemic effects with potential for management of type 2 diabetes mellitus (T2DM). We summarize data from 27 manuscripts that include, one book chapter, 3 review articles, 10 randomized controlled trials, 4 systematic reviews with meta-analysis, and 9 preclinical studies. The most frequently used cinnamon variety was Cinnamomum cassia rather than the Cinnamomum zeylanicum, whereas outcomes were defined as fasting blood glucose, glycated hemoglobin, and oral glucose tolerance test. A great variability in methodology such as different doses (from 120 mg to 6 g), duration of intervention, data retrieved and use of different concomitant medication, were found to be key aspects of most of trials and systematic reviews with meta-analysis available to date. Low quality studies have been made in most cases with a lot of heterogeneity clouding significance of results. More research needs to be done in order to yield accurate evidence for evidence-based recommendations. Its use is not currently a reliable nor advisable option for the treatment of T2DM.

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