Effectiveness of water fluoridation in an upper middle‐income country: systematic review and meta‐analysis

Author(s):  
Lorrayne Belotti ◽  
Paulo Frazão¹
Author(s):  
Maria Sortênia Alves Guimarães ◽  
Carolina Araújo dos Santos ◽  
Joice da Silva Castro ◽  
Leidjaira Lopes Juvanhol ◽  
Fabiane Aparecida Canaan Rezende ◽  
...  

2021 ◽  
Vol 12 ◽  
Author(s):  
Xiuli Chen ◽  
Zhou Pei ◽  
Miaoying Zhang ◽  
Zhenran Xu ◽  
Zhuhui Zhao ◽  
...  

ObjectivesTo explore the glycemic control [represented by glycated hemoglobin (HbA1c) concentrations] in children with diabetes mellitus (DM) in east China and middle- and low-income countries, from 2010 to 2019.MethodsRetrospective data of children with DM from two hospital-based health records were reviewed. Data on HbA1c concentrations, hospitalization due to diabetic ketoacidosis, and patient demographics were collected and analyzed. A systematic review was subsequently performed to analyze publications that report HbA1c concentrations in patients aged <18 years. Patients’ characteristics extracted from each publication were used to generate simulated individual data for pooled analysis. HbA1c estimates were derived from steady-state iterations.ResultsData of 843 diabetic children (aged 11.2 ± 3.9 years) with 2,658 HbA1c measures were retrieved from the two hospitals during the period 2010–2020. The duration of diabetes in the patients was 4.4 ± 2.8 years, and their HbA1c was 8.1 ± 2.2%. Patients who were internal migrants had significantly higher HbA1c concentration than resident patients (8.4 vs. 7.9%). The literature review yielded 1,164 publications, and the majority (74.1%) of patient data were published in high-income countries. The patient data extracted from these publications generated 486,416 HbA1c concentration estimates between 2005 and 2019. The average HbA1c concentration during the 15 years was 9.07 ± 2.15%. The mean HbA1c concentrations among children were 8.23, 8.73, 9.20, and 10.11% in high-income country (HIC), upper-middle income country (UMIC), lower-middle income country (LMIC), and low-income country (LIC) respectively. The mean rate of optimized glycemic control (HbA1c <7.5%) among children was 32.4, 27.5, 21.7, and 12.7% in HIC, UMIC, LMIC, and LIC, respectively.ConclusionsThe current study indicated that there is substantial room for improvement in glycemic control in children with DM worldwide, especially in middle- and low-income countries.


2019 ◽  
Author(s):  
Quan-Hoang Vuong

Valian rightly made a case for better recognition of women in science during the Nobel week in October 2018 (Valian, 2018). However, it seems most published views about gender inequality in Nature focused on the West. This correspondence shifts the focus to women in the social sciences and humanities (SSH) in a low- and middle-income country (LMIC).


2018 ◽  
Author(s):  
Joao Ricardo Nickenig Vissoci

BackgroundHarmful alcohol use leads to a large burden of disease and disability which disportionately impacts LMICs. The World Health Organization and the Lancet have issued calls for this burden to be addressed, but issues remain, primarily due to gaps in information. While a variety of interventions have been shown to be effective at reducing alcohol use in HICs, their efficacy in LMICs have yet to be assessed. This systematic review describes the current published literature on alcohol interventions in LMICs and conducts a meta analysis of clinical trials evaluating interventions to reduce alcohol use and harms in LMICs.MethodsIn accordance with PRISMA guidelines we searched the electronic databases Pubmed, EMBASE, Scopus,Web of Science, Cochrane, and Psych Info. Articles were eligible if they evaluated an intervention targeting alcohol-related harm in LMICs. After a reference and citation analysis, we conducted a quality assessment per PRISMA protocol. A meta-analysis was performed on the 39 randomized controlled trials that evaluated an alcohol-related outcome.ResultsOf the 3,801 articles from the literature search, 87 articles from 25 LMICs fit the eligibility and inclusion criteria. Of these studies, 39 randomized controlled trials were included in the meta-analysis. Nine of these studies focused specifically on medication, while the others focused on brief motivational intervention, brain stimulation, AUDIT-based brief interventions, WHO ASSIST-based interventions, group based education, basic screening and interventions, brief psychological or counseling, dyadic relapse prevention, group counseling, CBT, motivational + PTSD based interview, and health promotion/awareness. Conclusion Issues in determining feasible options specific to LMICs arise from unstandardized interventions, unequal geographic distribution of intervention implementation, and uncertain effectiveness over time. Current research shows that brain stimulation, psychotherapy, and brief motivational interviews have the potential to be effective in LMIC settings, but further feasibility testing and efforts to standardize results are necessary to accurately assess their effectiveness.


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