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- Ellingsen, Tore, et al.
(författare)
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A randomized trial of the effect of testosterone and estrogen on verbal fluency, verbal memory, and spatial ability in healthy postmenopausal women
- 2011
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Ingår i: Fertility and Sterility. - : Elsevier. - 0015-0282 .- 1556-5653. ; 95:1, s. 152-157
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To test the causal relationship between sex hormones and cognitive skills in postmenopausal women. We hypothesized that testosterone would decrease verbal memory and verbal fluency and increase spatial ability compared with a placebo. For estrogen, we conversely hypothesized that the treatment would increase verbal fluency and verbal memory and decrease spatial ability. Design: Randomized, double-blind, placebo-controlled, parallel-group trial. Setting: Women's health clinical research unit at a university hospital. Patient(s): Two-hundred healthy, naturally postmenopausal women aged 50-65 years. Intervention(s): Randomization to 4 weeks' treatment with testosterone (testosterone undecanoate, 40 mg/day), estrogen (oral E2 2 mg/day) or placebo. Main outcome measure(s): Comparisons in verbal fluency, verbal memory, and spatial ability between the three treatment groups. Result(s): We found no significant effects of testosterone or estrogen on verbal fluency, verbal memory, or spatial ability. Conclusion(s): Our results give no support for short-term testosterone or estrogen treatment having any substantial effect on verbal fluency, verbal memory, or spatial ability in healthy postmenopausal women. Copyright © 2011 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.
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- Kocoska-Maras, L., et al.
(författare)
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Cognitive function in association with sex hormones in postmenopausal women
- 2013
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Ingår i: Gynecological Endocrinology. - : Informa UK Limited. - 0951-3590 .- 1473-0766. ; 29:1, s. 59-62
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Tidskriftsartikel (refereegranskat)abstract
- Several studies have suggested gender differences in cognitive function, but data on the association between sex hormones and cognitive function are contradictory. The aim of our randomized double-blind study was to explore the possible relations between cognitive function and serum levels of sex hormones, oxytocin and insulin-like growth factor-I (IGF-I) in postmenopausal women. Two-hundred healthy postmenopausal women were randomly assigned to receive estrogen, testosterone or placebo treatment for 1 month. The associations of spatial ability, verbal fluency and verbal memory with serum levels of estradiol, testosterone, estradiol/testosterone ratio, androstanediol, oxytocin and IGF-I were analyzed. Spatial ability showed a negative correlation with serum estradiol, estradiol/testosterone ratio, oxytocin levels and a positive association with androstanediol levels. Verbal fluency displayed a negative relationship with serum levels of testosterone, IGF-I and a positive with estradiol/testosterone ratio. Verbal memory displayed a positive correlation to androstanediol. Data suggest that not only absolute levels of sex hormones but also the balance between estrogen and testosterone and their metabolites may be important for cognitive function in women.
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- Kocoska-Maras, L, et al.
(författare)
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In Reply
- 2017
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Ingår i: Menopause (New York, N.Y.). - 1530-0374. ; 24:2, s. 232-233
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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- Taghavi, K., et al.
(författare)
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Colposcopy telemedicine: live versus static swede score and accuracy in detecting CIN2+, a cross-sectional pilot study
- 2018
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Ingår i: Bmc Womens Health. - : Springer Science and Business Media LLC. - 1472-6874. ; 18:1
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Tidskriftsartikel (refereegranskat)abstract
- Background: This cross-sectional pilot study evaluates diagnostic accuracy of live colposcopy versus static image Swede-score evaluation for detecting significant precancerous cervical lesions greater than, or equal to grade 2 severity (CIN2+). Methods: VIA or HrHPV positive women were examined using a mobile colposcope, in a rural clinic in Kolkata, India. Live versus static Swede-score colposcopy assessments were made independently. All assessments were by gynecologists, junior or expert. Static image assessors were blinded to live scoring, patient information and final histopathology result. Primary outcome was the ability to detect CIN2+ lesions verified by directed biopsies. Diagnostic accuracy was calculated for live versus static Swede-score in detecting CIN2+ lesions, as well as for interclass correlation. Results: 495 images from 94 VIA positive women were evaluated in this study. Thirteen women (13.9%) had CIN2+ on biopsy. No significant difference was found in the detection of CIN2+ lesions between live and static assessors (area under curve = 0.69 versus 0.71, p = 0.63). A Swede-score of 4+, had a sensitivity of 76.9% (95% CI 46.2-95.0%) and 84.6% (95% CI 54.6-98.1%), for live-and static-image assessment respectively. The corresponding positive predictive values were found to be 90.9% (95% CI 75.7-98.1%) and 92.6% (95% CI 75.7-99.1%). The interclass correlation was good (kappa statistic = 0.60) for the senior static assessors. Conclusions: Swede-score evaluation of static colposcopy images was found to reliably detect CIN2+ lesions in this study. Larger studies are needed to further develop the colposcopy telemedicine concept which may offer reliable guidance in management where direct specialist input is not available. Trial registration: Ethical approval of the study was obtained by the Chittaranjan National Cancer Institute (CNCI) Human Research Ethics Committee (4.311/27/2014).
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