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Sökning: WFRF:(Dessypris Nick) > (2015-2018)

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1.
  • Georgakis, Marios K., et al. (författare)
  • Malignant Central Nervous System Tumors Among Adolescents and Young Adults (15-39 Years Old) in 14 Southern-Eastern European Registries and the US Surveillance, Epidemiology, and End Results Program: Mortality and Survival Patterns
  • 2017
  • Ingår i: Cancer. - WILEY. - 0008-543X .- 1097-0142. ; 123:22, s. 4458-4471
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>BACKGROUND: Unique features and worse outcomes have been reported for cancers among adolescents and young adults (AYAs; 15-39 years old). The aim of this study was to explore the mortality and survival patterns of malignant central nervous system (CNS) tumors among AYAs in Southern-Eastern Europe (SEE) in comparison with the US Surveillance, Epidemiology, and End Results (SEER) program. METHODS: Malignant CNS tumors diagnosed in AYAs during the period spanning 1990-2014 were retrieved from 14 population-based cancer registries in the SEE region (n = 11,438). Age-adjusted mortality rates were calculated and survival patterns were evaluated via Kaplan-Meier curves and Cox regression analyses, and they were compared with respective 1990-2012 figures from SEER (n = 13,573). RESULTS: Mortality rates in SEE (range, 11.9-18.5 deaths per million) were higher overall than the SEER rate (9.4 deaths per million), with decreasing trends in both regions. Survival rates increased during a comparable period (2001-2009) in SEE and SEER. The 5-year survival rate was considerably lower in the SEE registries (46%) versus SEER (67%), mainly because of the extremely low rates in Ukraine; this finding was consistent across age groups and diagnostic subtypes. The highest 5-year survival rates were recorded for ependymomas (76% in SEE and 92% in SEER), and the worst were recorded for glioblastomas and anaplastic astrocytomas (28% in SEE and 37% in SEER). Advancing age, male sex, and rural residency at diagnosis adversely affected outcomes in both regions. CONCLUSIONS: Despite definite survival gains over the last years, the considerable outcome disparities between the less affluent SEE region and the United States for AYAs with malignant CNS tumors point to health care delivery inequalities. No considerable prognostic deficits for CNS tumors are evident for AYAs versus children. (c) 2017 American Cancer Society.</p>
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2.
  • Gogas, Helen J., et al. (författare)
  • The role of depression and personality traits in patients with melanoma : a South-European study
  • 2017
  • Ingår i: Melanoma research. - LIPPINCOTT WILLIAMS & WILKINS. - 0960-8931 .- 1473-5636. ; 27:6, s. 625-631
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>We explored the potential association of depression history and personality, evaluated through a robust questionnaire tool, namely the Eysenck Personality Scale, with disease risk and progression among Greek patients. A total of 106 melanoma patients and their 1 : 1 sex-matched controls were interviewed on the basis of a questionnaire comprising phenotypic, sociodemographic, lifestyle and medical history variables, as well as information on history of lifetime major depression. The Eysenck Personality Questionnaire, measuring the four personality dimensions (extraversion, neuroticism, psychoticism, lie), was thereafter completed. Adjusted odds ratios (ORs) for melanoma risk were derived through multiple logistic regression analyses, whereas potential predictors of survival were explored using Cox proportional hazards models. Sun sensitivity score [OR: 1.55, 95% confidence interval (CI): 1.16-2.06] and major depression history (OR: 5.72, 95% CI: 1.38-23.73) were significantly associated with melanoma, whereas inverse associations of extraversion (OR: 0.90, 95% CI: 0.83-0.97) and psychoticism score (OR: 0.88, 95% CI: 0.78-1.00) were noted. These associations were more pronounced and remained solely among female patients; notably, decreased extraversion (OR: 0.86, 95% CI: 0.76-0.98) and psychoticism score (OR: 0.63, 95% CI: 0.43-0.91), as well as increased depression history (OR: 10.69, 95% CI: 1.43-80.03) were evident. Cox-derived hazard ratios showed nonsignificant associations of depression history and personality with disease outcome. Our data support the hypotheses that depression history and personality are associated with melanoma risk. No effect on survival after cancer diagnosis was observed. If confirmed in future studies, these associations may contribute toward better understanding the etiology of melanoma, enhancing health-related quality of life. Copyright (C) 2017 Wolters Kluwer Health, Inc. All rights reserved.</p>
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3.
  • Petridou, Eleni Th., et al. (författare)
  • Advanced parental age as risk factor for childhood acute lymphoblastic leukemia : results from studies of the Childhood Leukemia International Consortium
  • 2018
  • Ingår i: European Journal of Epidemiology. - SPRINGER. - 0393-2990 .- 1573-7284. ; 33:10, s. 965-976
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Advanced parental age has been associated with adverse health effects in the offspring including childhood (0-14 years) acute lymphoblastic leukemia (ALL), as reported in our meta-analysis of published studies. We aimed to further explore the association using primary data from 16 studies participating in the Childhood Leukemia International Consortium. Data were contributed by 11 case-control (CC) studies (7919 cases and 12,942 controls recruited via interviews) and five nested case-control (NCC) studies (8801 cases and 29,690 controls identified through record linkage of population-based health registries) with variable enrollment periods (1968-2015). Five-year paternal and maternal age increments were introduced in two meta-analyses by study design using adjusted odds ratios (OR) derived from each study. Increased paternal age was associated with greater ALL risk in the offspring (ORCC 1.05, 95% CI 1.00-1.11; ORNCC 1.04, 95% CI 1.01-1.07). A similar positive association with advanced maternal age was observed only in the NCC results (ORCC 0.99, 95% CI 0.91-1.07, heterogeneity I (2) = 58%, p = 0.002; ORNCC 1.05, 95% CI 1.01-1.08). The positive association between parental age and risk of ALL was most marked among children aged 1-5 years and remained unchanged following mutual adjustment for the collinear effect of the paternal and maternal age variables; analyses of the relatively small numbers of discordant paternal-maternal age pairs were not fully enlightening. Our results strengthen the evidence that advanced parental age is associated with increased childhood ALL risk; collinearity of maternal with paternal age complicates causal interpretation. Employing datasets with cytogenetic information may further elucidate involvement of each parental component and clarify underlying mechanisms.</p>
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4.
  • Petridou, Eleni Th., et al. (författare)
  • Folate and B12 serum levels in association with depression in the aged : a systematic review and meta-analysis
  • 2016
  • Ingår i: Aging & Mental Health. - 1360-7863 .- 1364-6915. ; 20:9, s. 965-973
  • Tidskriftsartikel (refereegranskat)abstract
    • <p><strong>OBJECTIVES:</strong> To systematically review and meta-analyse existing evidence on the association between folate/B12, and depression among the aged people.</p><p><strong>METHODS:</strong> Following PRISMA/STROBE guidelines, the Medline abstracts were retrieved using an algorithm comprising relevant MeSH terms. Publications on the association of folate/B12 serum measurements with depression were abstracted independently by two reviewers and included in both gender and gender-specific meta-analyses, following recarculations of published data as appropriate. The Newcastle-Ottawa scale was used to evaluate the quality of included studies.</p><p><strong>RESULTS:</strong> Both gender data were contributed by 11 folate-related (7949 individuals) and 9 B12-related studies (6308 individuals), whereas gender-specific data by 4 folate-related (3409 individuals) and 3 B12-related studies (1934 individuals). A statistically significant overall association between both exposures of interest (low folate and B12 levels) and depression was observed (ORfolate:1.23, 95%CI:1.07-1.43, ORB12:1.20, 95%CI:1.02-1.42). Gender-specific estimates pointed to a statistically significant positive association between low B12 levels and depression only among women (OR:1.33, 95%CI:1.02-1.74); the gender specific associations of low folate levels with depression were, however, non-significant and of counter-direction (ORfemales:1.37, 95%CI:0.90-2.07; ORmales:0.84, 95%CI:0.57-1.25).</p><p><strong>CONCLUSION:</strong> Low folate and B12 serum levels seem to be associated with depression in the aged. The gender-specific analyses are confined to a positive association of low B12 with depression among older women and call for further research in this direction.</p>
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5.
  • Petridou, Eleni Th, et al. (författare)
  • Maternal and birth anthropometric characteristics in relation to the risk of childhood lymphomas : a Swedish nationwide cohort study
  • 2015
  • Ingår i: European Journal of Cancer Prevention. - 0959-8278 .- 1473-5709. ; 24:6, s. 535-541
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>This Swedish nationwide cohort study aims to examine the role of maternal characteristics (maternal age, education, smoking, BMI, diabetes, and preeclampsia) and multiple intrauterine growth measures on the risk of childhood lymphomas. A total of 3 444 136 singleton live births registered in the Swedish Medical Birth Register were analyzed, among whom there were 515 incident non-Hodgkin lymphoma (NHL) cases and 169 Hodgkin lymphoma (HL) cases aged 0-14 years at diagnosis (1973-2007) identified through linkage with the Swedish Cancer Register. Proportional hazards models were used to estimate the hazard ratio (HR) and 95% confidence intervals (95% CI) of NHL and HL. Male sex (HR=2.00, 95% CI: 1.66-2.41), older maternal age (HR=1.03, 95% CI: 1.00-1.06, per 1-year increase), and large for gestational age compared with appropriate for gestational age (AGA) birth weight (HR=1.83, 95% CI: 1.20-2.79) were correlated with the risk of NHL; of note, in subanalysis by sex, the latter association was confined to girls (HR=3.37, 95% CI: 1.90-5.97, Pinteraction by sex=0.008). The risk of childhood HL overall was more evident among boys (HR=2.03, 95% CI: 1.46-2.81), whereas indices of accelerated fetal growth were not convincingly associated with the risk of HL. Apart from the established association with sex, the findings point to accelerated intrauterine growth as a risk factor for childhood NHL that may differ by sex. Given the rarity of this condition at birth, however, further studies with more elaborate indices are needed to conclude on its association with rare diseases such as HL.</p>
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6.
  • Petridou, Eleni Th, et al. (författare)
  • Maternal and birth anthropometric characteristics in relation to the risk of childhood lymphomas : a Swedish nationwide cohort study.
  • 2015
  • Ingår i: European Journal of Cancer Prevention. - 0959-8278 .- 1473-5709.
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>This Swedish nationwide cohort study aims to examine the role of maternal characteristics (maternal age, education, smoking, BMI, diabetes, and preeclampsia) and multiple intrauterine growth measures on the risk of childhood lymphomas. A total of 3 444 136 singleton live births registered in the Swedish Medical Birth Register were analyzed, among whom there were 515 incident non-Hodgkin lymphoma (NHL) cases and 169 Hodgkin lymphoma (HL) cases aged 0-14 years at diagnosis (1973-2007) identified through linkage with the Swedish Cancer Register. Proportional hazards models were used to estimate the hazard ratio (HR) and 95% confidence intervals (95% CI) of NHL and HL. Male sex (HR=2.00, 95% CI: 1.66-2.41), older maternal age (HR=1.03, 95% CI: 1.00-1.06, per 1-year increase), and large for gestational age compared with appropriate for gestational age (AGA) birth weight (HR=1.83, 95% CI: 1.20-2.79) were correlated with the risk of NHL; of note, in subanalysis by sex, the latter association was confined to girls (HR=3.37, 95% CI: 1.90-5.97, Pinteraction by sex=0.008). The risk of childhood HL overall was more evident among boys (HR=2.03, 95% CI: 1.46-2.81), whereas indices of accelerated fetal growth were not convincingly associated with the risk of HL. Apart from the established association with sex, the findings point to accelerated intrauterine growth as a risk factor for childhood NHL that may differ by sex. Given the rarity of this condition at birth, however, further studies with more elaborate indices are needed to conclude on its association with rare diseases such as HL.</p>
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7.
  • Thomopoulos, Thomas P, et al. (författare)
  • Prelabor cesarean delivery and early-onset acute childhood leukemia risk.
  • 2016
  • Ingår i: European Journal of Cancer Prevention. - 0959-8278 .- 1473-5709. ; 25:2, s. 155-161
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>The long-term impact of cesarean delivery (CD) on the health of the offspring is being explored methodically. We sought to investigate the effect of birth by (a) prelabor and (b) during-labor CD on the risk of early-onset (≤3 years) acute lymphoblastic leukemia (ALL), specifically of its prevailing precursor B (B-ALL) subtype. A total of 1099 incident cases of ALL (957 B-ALL), 131 of acute myeloid leukemia (AML), and their 1 : 1 age-matched and sex-matched controls, derived from the Nationwide Registry for Childhood Hematological Malignancies (1996-2013), were analyzed using multivariate regression models. A null association was found between prelabor and/or during labor CD and either ALL (B-ALL) or AML in the 0-14 age range. By contrast, birth by CD increased significantly the risk of early-onset ALL [odds ratioCD (ORCD)=1.57, 95% confidence interval (CI): 1.10-2.24] mainly on account of prelabor CD (ORprelaborCD=1.66, 95% CI: 1.13-2.43). The respective figures were even higher for the early-onset precursor B-ALL (ORCD=1.66, 95% CI: 1.15-2.40 and ORprelaborCD=1.79, 95% CI: 1.21-2.66), whereas no association emerged for early-onset AML. Prelabor CD, which deprives exposure of the fetus/infant to the presumably beneficial effect of stress hormones released in both vaginal labor and during labor CD, was associated exclusively with an increased risk of early-onset ALL, particularly the precursor B-ALL subtype. If confirmed, these adverse long-term outcomes of CD may point to re-evaluation of prelabor CD practices and prompt scientific discussion on the best ways to simulate the effects of vaginal delivery, such as a precesarean induction of labor.</p>
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