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Träfflista för sökning "WFRF:(Petridou Eleni Th.) ;pers:(Kanavidis Prodromos)"

Sökning: WFRF:(Petridou Eleni Th.) > Kanavidis Prodromos

  • Resultat 1-4 av 4
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1.
  • Georgakis, Marios K., et al. (författare)
  • Validation of TICS for detection of dementia and mild cognitive impairment among individuals characterized by low levels of education or illiteracy : a population-based study in rural Greece
  • 2017
  • Ingår i: Clinical Neuropsychologist (Neuropsychology, Development and Cognition. - : Informa UK Limited. - 1385-4046 .- 1744-4144. ; 31, s. 61-71
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The efficacy of the most widely used tests for dementia screening is limited in populations characterized by low levels of education. This study aimed to validate the face-to-face administered Telephone Interview for Cognitive Status (TICS) for detection of dementia and mild cognitive impairment (MCI) in a population-based sample of community dwelling individuals characterized by low levels of education or illiteracy in rural Greece. Methods: The translated Greek version of TICS was administered through face-to-face interview in 133 elderly residents of Velestino of low educational level (<12years). We assessed its internal consistency and test-retest reliability, its correlation with sociodemographic parameters, and its discriminant ability for cognitive impairment and dementia, as defined by a brief neurological evaluation, including assessment of cognitive status and level of independence. Results: TICS was characterized by adequate internal consistency (Cronbach's : .72) and very high test-retest reliability (intra-class correlation coefficient: .93); it was positively correlated with age and educational years. MCI and dementia were diagnosed in 18 and 10.5% of the population, respectively. Its discriminant ability for detection of dementia was high (Area under the curve, AUC: .85), with a sensitivity and specificity of 86 and 82%, respectively, at a cut-off point of 24/25. TICS did not perform well in differentiating MCI from cognitively normal individuals though (AUC: .67). Conclusion: The directly administered TICS questionnaire provides an easily applicable and brief option for detection of dementia in populations of low educational level and might be useful in the context of both clinical and research purposes.
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2.
  • Michelakos, Theodoros, et al. (författare)
  • Serum Folate and B12 Levels in Association With Cognitive Impairment Among Seniors : Results From the VELESTINO Study in Greece and Meta-Analysis
  • 2013
  • Ingår i: Journal of Aging and Health. - : SAGE Publications. - 0898-2643 .- 1552-6887. ; 25:4, s. 589-616
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To summarize existing evidence on the effect of serum folate and vitamin B12 levels on cognitive impairment among elders via a meta-analysis, also including unpublished data from a cross-sectional study of seniors ( > 65 years) residing in Velestino, Greece. Method: Serum measurements and Mini-Mental State Examination (MMSE) assessments were available for 593 Velestinians. In addition, 12 studies availing data on folate blood levels (N = 9,747) and 9 on B12 (N = 8,122) were identified following a search algorithm; pooled effect estimates were derived. Results: Cognitive impairment (MMSE < 24) among Velestenians was associated with lower education level in both genders; decreased social activity, depressive symptoms and low folate levels in males; older age in females. Meta-analyses showed an adverse effect of low-folate levels on cognition (OR: 1.66, 95% CI: 1.40-1.96); B12 was nonsignificantly associated (OR: 1.11, 95% CI: 0.88-1.40). Discussion: Low folate levels are associated with cognitive impairment of seniors; underlying pathophysiological mechanisms should be further explored.
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3.
  • Sergentanis, Theodoros N., et al. (författare)
  • IVF and breast cancer : a systematic review and meta-analysis
  • 2014
  • Ingår i: Human Reproduction Update. - : Oxford University Press (OUP). - 1355-4786 .- 1460-2369. ; 20:1, s. 106-123
  • Forskningsöversikt (refereegranskat)abstract
    • BACKGROUNDThe effects of controlled ovarian hyperstimulation (COH) for IVF in terms of breast cancer risk remain controversial, despite the hormone-dependent nature of the latter.METHODSEligible studies up to 15 February 2013 were identified and pooled effect estimates for relative risk (RR) were calculated separately for the investigations using the general population and those using infertile women, as a reference group. Fixed- or random-effects models were implemented and subgroup analyses were performed, as appropriate.RESULTSEight cohort studies were synthesized, yielding a total cohort size of 1 554 332 women among whom 14 961 incident breast cancer cases occurred, encompassing 576 incident breast cancer cases among women exposed to IVF. No significant association between IVF and breast cancer was observed either in the group of studies treating the general population (RR = 0.91, 95% confidence interval (CI): 0.74–1.11) or infertile women (RR = 1.02, 95% CI: 0.88–1.18), as a reference group. Of note were the marginal associations, protective for pregnant and/or parous women after IVF (pooled effect estimate = 0.86, 95% CI: 0.73–1.01) and adverse for women <30 years at first IVF treatment (pooled effect estimate = 1.64, 95% CI: 0.96–2.80).CONCLUSIONSAt present, COH for IVF does not seem to impart increased breast cancer risk. Longer follow-up periods, comparisons versus infertile women, subgroup analyses aiming to trace vulnerable subgroups, adjustment for various confounders and larger informative data sets are needed before conclusive statements for the safety of the procedure are reached.
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4.
  • Siristatidis, Charalampos, et al. (författare)
  • Controlled ovarian hyperstimulation for IVF : impact on ovarian, endometrial and cervical cancer-a systematic review and meta-analysis
  • 2013
  • Ingår i: Human Reproduction Update. - : Oxford University Press (OUP). - 1355-4786 .- 1460-2369. ; 19:2, s. 105-123
  • Forskningsöversikt (refereegranskat)abstract
    • BACKGROUND: In response to the ongoing debate on the long-term effects of assisted reproduction technologies, such as IVF, we systematically reviewed and meta-analyzed available evidence on the association between controlled ovarian hyperstimulation for IVF and risk of ovarian, endometrial and cervical cancer. METHODS: Eligible studies were identified and pooled effect estimates for relative risk (RR) were calculated by cancer type among two reference groups (general population or infertile women), through fixed-or random-effects models as appropriate. RESULTS: Nine cohort studies were synthesized, corresponding to a total size of 109 969 women exposed to IVF, among whom 76 incident cases of ovarian, 18 of endometrial and 207 cases of cervical cancer were studied. The synthesis of studies with general population as the reference group pointed to a statistically significant positive association between IVF and increased risk for ovarian (RR = 1.50, 95% confidence interval (CI): 1.17-1.92) and endometrial (RR = 2.04, 95% CI: 1.22-3.43), but not cervical (RR = 0.86, 95% CI: 0.49-1.49)cancers. On the contrary, when infertile women were used as the reference group, no significant associations with ovarian, endometrial or cervical cancer types were noted (RR=1.26, 95% CI: 0.62-2.55 RR=0.45, 95% CI: 0.18-1.14 and RR= 5.70, 95% CI: 0.28-117.20, respectively). CONCLUSIONS: IVF does not seem to be associated with elevated cervical cancer risk, nor with ovarian or endometrial cancer when the confounding effect of infertility was neutralized in studies allowing such comparisons. Of note, only one study provided follow-up longer than 10 years for the group exposed to IVF. Future cohort studies should preferably use infertile women as the reference group, rely on IVF-registered valid exposure data, adjust for a variety of meaningful confounders and adopt relatively longer follow-up periods before sound conclusions are drawn.
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