Silvina Santana

Prof. Dr. Silvina Santana


Research Focus & Metrics

Academic Career Length

23Years (2004-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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10 April 2007 in BMC Public Health
Verified
Journal Article
Open access
PDF file
HAHege K Andreassen
Hege K Andreassen
MBMaria Magdalena Bujnowska-Fedak
Maria Magdalena Bujnowska-Fedak
CCCatherine E Chronaki
Catherine E Chronaki
RDRoxana C Dumitru
Roxana C Dumitru
IPIveta Pudule
Iveta Pudule
RWRolf Wynn
Rolf Wynn
European citizens are increasingly being offered Internet health services. This study investigated patterns of health-related Internet use, its consequences, and citizens' expectations about their doctors' provision of e-health services.

17 November 2008 in Journal of Medical Internet Research
Verified
Journal Article
Open access
PKPer Egil Kummervold
Per Egil Kummervold
CCCatherine E Chronaki
Catherine E Chronaki
BLBerthold Lausen
Berthold Lausen
HPHans-Ulrich Prokosch
Hans-Ulrich Prokosch
JRJanne Rasmussen
Janne Rasmussen
SWSilje Camilla Wangberg
Silje Camilla Wangberg
EHealth Trends in Europe 2005-2007: A Population-Based Survey

1 April 2017 in JBI Evidence Synthesis
Verified
Journal Article
Open access
JAJoao Appstolo
Joao Appstolo
RCRichard Cooke
Richard Cooke
EBElzbieta Bobrowicz-Campos
Elzbieta Bobrowicz-Campos
SSSilvina Santana
Silvina Santana
MMMaura Marcucci
Maura Marcucci
CHCarolHolland Holland
CarolHolland Holland
EXECUTIVE SUMMARY: Background: A scoping search identified systematic reviews on diagnostic accuracy and predictive ability of frailty measures in older adults. In most cases, research was confined to specific assessment measures related to a specific clinical model. Objectives: To summarize the best available evidence from systematic reviews in relation to reliability, validity, diagnostic accuracy and predictive ability of frailty measures in older adults. Inclusion criteria Population: Older adults aged 60 years or older recruited from community, primary care, long-term residential care and hospitals. Index test: Available frailty measures in older adults. Reference test: Cardiovascular Health Study phenotype model, the Canadian Study of Health and Aging cumulative deficit model, Comprehensive Geriatric Assessment or other reference tests. Diagnosis of interest: Frailty defined as an age-related state of decreased physiological reserves characterized by an increased risk of poor clinical outcomes. Types of studies: Quantitative systematic reviews. Search strategy: A three-step search strategy was utilized to find systematic reviews, available in English, published between January 2001 and October 2015. Methodological quality: Assessed by two independent reviewers using the Joanna Briggs Institute critical appraisal checklist for systematic reviews and research synthesis. Data extraction: Two independent reviewers extracted data using the standardized data extraction tool designed for umbrella reviews. Data synthesis: Data were only presented in a narrative form due to the heterogeneity of included reviews. Results: Five reviews with a total of 227,381 participants were included in this umbrella review. Two reviews focused on reliability, validity and diagnostic accuracy; two examined predictive ability for adverse health outcomes; and one investigated validity, diagnostic accuracy and predictive ability. In total, 26 questionnaires and brief assessments and eight frailty indicators were analyzed, most of which were applied to community-dwelling older people. The Frailty Index was examined in almost all these dimensions, with the exception of reliability, and its diagnostic and predictive characteristics were shown to be satisfactory. Gait speed showed high sensitivity, but only moderate specificity, and excellent predictive ability for future disability in activities of daily living. The Tilburg Frailty Indicator was shown to be a reliable and valid measure for frailty screening, but its diagnostic accuracy was not evaluated. Screening Letter, Timed-up-and-go test and PRISMA 7 (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) demonstrated high sensitivity and moderate specificity for identifying frailty. In general, low physical activity, variously measured, was one of the most powerful predictors of future decline in activities of daily living. Conclusion: Only a few frailty measures seem to be demonstrably valid, reliable and diagnostically accurate, and have good predictive ability. Among them, the Frailty Index and gait speed emerged as the most useful in routine care and community settings. However, none of the included systematic reviews provided responses that met all of our research questions on their own and there is a need for studies that could fill this gap, covering all these issues within the same study. Nevertheless, it was clear that no suitable tool for assessing frailty appropriately in emergency departments was identified.

1 August 2015 in Neuroscience & Biobehavioral Reviews
Verified
Journal Article
Closed access
SJSoledad Ballesteros Jimenez
Soledad Ballesteros Jimenez
EKEduard Kraft
Eduard Kraft
SSSilvina Santana
Silvina Santana
CTChariklia Tziraki
Chariklia Tziraki

13 December 2007 in Health Promotion International
Verified
Journal Article
Open access
PDF file
SWSilje C. Wangberg
Silje C. Wangberg
HAHege K. Andreassen
Hege K. Andreassen
HPHans-Ulrich Prokosch
Hans-Ulrich Prokosch
SSSilvina Santana
Silvina Santana
TSTove Sørensen
Tove Sørensen
CCCatharine E. Chronaki
Catharine E. Chronaki
This study aimed to explore relations between Internet use, socio-economic status (SES), social support and subjective health. Participants were from representative samples between 15 and 80 years of age from seven different European countries. Two different survey datasets were used: (i) eHealth trends (eHT; N = 7934) and (ii) the European social survey (ESS2; N = 11248). Internet users who had used the Internet for health purposes were compared with Internet users who had not used it for health purposes. Structural equation modelling was used to assess the relationships between SES, Internet use, social support and subjective health. Use of other media was compared to Internet use in relation to social support and subjective health. Internet use was found to be more closely related to social support and subjective health than use of other media. Internet use was also found to be a plausible mediator between SES and subjective health, especially through interacting with social support.

16 April 2011 in BMC Family Practice
Verified
Journal Article
Open access
PDF file
SSSilvina Santana
Silvina Santana
BLBerthold Lausen
Berthold Lausen
MBMaria Magdalena Bujnowska-Fedak
Maria Magdalena Bujnowska-Fedak
CCCatherine E Chronaki
Catherine E Chronaki
HPHans-Ulrich Prokosch
Hans-Ulrich Prokosch
RWRolf Wynn
Rolf Wynn
The knowledge about the relationship between health-related activities on the Internet (i.e. informed citizens) and individuals' control over their own experiences of health or illness (i.e. empowered citizens) is valuable but scarce. In this paper, we investigate the correlation between four ways of using the Internet for information on health or illness and citizens attitudes and behaviours toward health professionals and health systems and establish the profile of empowered eHealth citizens in Europe.