What do Cochrane systematic reviews say about interventions for vitamin D supplementation?

Mateussi, Mariana Vendramin; Latorraca, Carolina de Oliveira Cruz; Daou, Júlia Pozetti; Martimbianco, Ana Luiza Cabrera; Riera, Rachel; Pacheco, Rafael Leite; Pachito, Daniela Vianna

doi:10.1590/1516-3180.2017.0230150817

Cited by 11 publications

(10 citation statements)

References 38 publications

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“… 36 They were categorized as nearly identical based on their similarly general populations and the intervention of vitamin D supplementation. Mateussi 35 explored a broad range of outcomes which included skeletal outcomes. Interestingly, the aim of the two other overviews 27 , 34 was to examine specifically nonskeletal outcomes.…”

Section: Resultsmentioning

confidence: 99%

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A new taxonomy was developed for overlap across 'overviews of systematic reviews': A meta‐research study of research waste

Lunny

Reid

Neelakant

et al. 2022

Research Synthesis Methods

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BackgroundMultiple 'overviews of reviews' conducted on the same topic ("overlapping overviews") represent a waste of research resources and can confuse clinicians making decisions amongst competing treatments. We aimed to assess the frequency and characteristics of overlapping overviews. MethodsMEDLINE, Epistemonikos and Cochrane Database of Systematic Reviews were searched for overviews that: synthesised reviews of health interventions and conducted systematic searches. Overlap was de ned as: duplication of PICO eligibility criteria, and not reported as an update nor a replication. We categorized overview topics according to 22 WHO ICD-10 medical classi cations, overviews as broad or narrow in scope, and overlap as identical, nearly identical, partial, or subsumed. Subsummation was de ned as when broad overviews subsumed the populations, interventions and at least one outcome of another overview. ResultsOf 541 overviews included, 169 (31%) overlapped across similar PICO, fell within 13 WHO ICD-10 medical classi cations, and 62 topics. 148/169 (88%) overlapping overviews were broad in scope. Fifteen overviews were classi ed as having nearly identical overlap (9%); 123 partial overlap (73%), and 31 subsumed (18%) others. ConclusionsOne third of overviews overlapped in content and a majority covered broad topic areas. A multiplicity of overviews on the same topic adds to the ongoing waste of research resources, time and effort across medical disciplines. Authors of overviews can use this study and the sample of overviews to identify gaps in the evidence for future analysis, and topics that are already studied which do not need to be duplicated. HighlightsThis is the rst study to examine overlap across a sample of overviews of reviews.Of 541 overviews published from 2000 to 2018, 169 (31%) were considered overlapping in topic with one or more overviews.

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Section: Resultsmentioning

confidence: 99%

“…A notable example of nearly identical overlap were three vitamin D overviews by Autier [35], Mateussi [36], and Rejnmark [37]. They were categorised as nearly identical based on their similarly general populations and the intervention of vitamin D supplementation.…”

Section: Overlap In Overview Topicsmentioning

confidence: 99%

A new taxonomy was developed for overlap across 'overviews of systematic reviews': A meta‐research study of research waste

Lunny

Reid

Neelakant

et al. 2022

Research Synthesis Methods

View full text Add to dashboard Cite

show abstract

“…No entanto, apesar da ótima função imunomediadora descrita acima, isso não parece se refletir em melhora terapêutica estatisticamente comprovada para muitos autores (Luo et al, 2015;Fares et al, 2015;Mateussi et al, 2017). Em nossos resultados não encontramos um padrão estabelecido sobre qual a dose suplementada ou nível plasmático mínimo de VD para que esta relação seja terapêutica.…”

Section: Discussionunclassified

Suplementação com vitamina D no controle da asma – revisão integrativa

Trombim

Costa

Suter

et al. 2022

RSD

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Atualmente a deficiência de vitamina D tem sido reconhecida como uma pandemia causadas por múltiplos fatores. Um número cada vez maior de estudiosos tem voltado seus esforços para pesquisas relacionadas aos efeitos adversos da deficiência da vitamina D e sua possível associação com patologias, tais como a asma. Poucos trabalhos foram publicados com avaliações diretas sobre o papel da vitamina D na asma, mas existem pesquisas que relacionam indiretamente esta vitamina com mecanismos da doença. Este manuscrito é uma revisão integrativa que utilizou o método PICO (população, intervenção, comparação, resultado) para a seguinte pergunta: “A suplementação com vitamina D ajuda no controle da asma?” Foram incluídos na população de estudo, asmáticos, sem outras comorbidades; a intervenção foi a suplementação com vitamina D e a comparação com indivíduos não suplementados, resultado analisado foi se houve ou não melhora do controle da asma. Em conclusão, altas doses de suplementação com VD, associado ao tratamento padrão da asma, podem melhores os parâmetros de controle da doença, apesar que mais estudos são necessários sobre o tema.

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“…The problem is the cost-effectiveness in universal application [171], but in 2013 a group of experts identified vitamin D as a critical intervention that might have a potential impact on reducing the risk of adverse perinatal outcomes worldwide [172]. Vitamin D supplementation in pregnancy remains a possible intervention that may improve pregnancy outcomes by preventing the occurrence of preeclampsia, GDM, low birth weight, and preterm birth [102,173]. In an outstanding review from 2014, Wei supported this thesis [49].…”

Section: Screening and Supplementationmentioning

confidence: 99%

The role of vitamin D in perinatology. An up-to-date review

et al. 2021

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The role of vitamin D in perinatology is a subject of major interest in current medicine. There is growing evidence about the role of maternal vitamin D levels in pregnancy outcomes. The aim of this review is to summarize the current literature about the role of vitamin D in perinatology. Evidence from this review suggests associations between low levels of maternal vitamin D and higher risk of certain obstetrical complications. Vitamin D has been found to be related to preeclampsia, gestational diabetes mellitus, low birth weight, and preterm birth. The current literature supports vitamin D supplementation in pregnant women, but more high-quality data are necessary. The problem that remains is how to achieve an optimal 25-hydroxyvitamin D level. To determine the real benefits of vitamin D supplementation in pregnancy, we need high-quality trials in larger groups.

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What do Cochrane systematic reviews say about interventions for vitamin D supplementation?

Cited by 11 publications

References 38 publications

A new taxonomy was developed for overlap across 'overviews of systematic reviews': A meta‐research study of research waste

A new taxonomy was developed for overlap across 'overviews of systematic reviews': A meta‐research study of research waste

Suplementação com vitamina D no controle da asma – revisão integrativa

The role of vitamin D in perinatology. An up-to-date review

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