Monthly Archives: October 2019

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Changes in the cohort composition of TS, severe non-diagnosis of KS, 47,XXX and 47,XYY syndrome

Article Title: Changes in the cohort composition of Turner syndrome and severe non-diagnosis of Klinefelter, 47,XXX and 47,XYY syndrome: a nationwide cohort study

Authors: Claus H. Gravholt, MD, PhD et al

Date of Publication: January 14, 2019

“The prevalence of TS is higher than previously identified, and the karyotypic composition of the TS population is changing. Non-diagnosis is extensive among KS, Triple X and Double Y, whereas all TS seem to become diagnosed. The diagnostic activity has increased among TS with other karyotypes than 45,X as well as among KS and Double Y.”

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Testosterone treatment and association with thrombin generation and coagulation inhibition in KS

Article Title: Testosterone treatment and association with thrombin generation and coagulation inhibition in Klinefelter syndrome: A cross-sectional study

Authors: Claus H. Gravholt, MD, PhD et al

Date of Publication: August 19, 2019

“In this cross-sectional study thrombin generation in men with KS was inversely associated with testosterone and androgen action. T-KS [testosterone treated Klinefelter syndrome] expressed a less pro-coagulant thrombin generation profile compared with U-KS [untreated Klinefelter syndrome]. Whether testosterone treatment in KS affects thrombosis risk in KS needs to be evaluated from longitudinal studies.”

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2019-10-30T14:46:22-04:00Categories: 47,XXY (Klinefelter)|

A placebo-controlled randomized study with testosterone in Klinefelter Syndrome

Article Title: A placebo-controlled randomized study with testosterone in Klinefelter syndrome: beneficial effects on body composition

Authors: Claus H. Gravholt, MD, PhD et al

Date of Publication: August 7, 2019

“Testosterone treatment in adult males with KS for 6 months leads to favorable changes in body composition with reductions in fat mass, including abdominal fat mass, but does not change measures of glucose homeostasis.”

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2019-10-30T14:12:43-04:00Categories: 47,XXY (Klinefelter)|

Emotion regulation in adults with Klinefelter syndrome (47,XXY)

Article Title: Emotion regulation in adults with Klinefelter syndrome (47,XXY): Neurocognitive underpinnings and associations with mental health problems

Authors: Sophie van Rijn and Hanna Swaab

Date of Publication: October 8, 2019

This paper is from ACRC member and AXYS Family Conference presenter Dr. Sophie van Rijn. While only 26 men participated in this study and the results are from a self-reported questionnaire, this paper shines a light on issues commonly faced by adults with 47,XXY.

The aim of this study was to evaluate if language and executive functioning deficits in individuals with 47,XXY contribute to emotion regulation problems. Results: Atypical emotion regulation strategies were found in the XXY group, with increased expression of emotions (69%), avoiding (65%), distraction seeking (54%), and passive coping (54%). More difficulties in mental flexibility and attention regulation, and speeded responding were associated with more pronounced emotion expression (emotional outbursts). Emotion regulation problems were associated with symptoms of anxiety, depression, thought problems, and hostility.

Conclusion: This study has identified emotion regulation as a potential target for treatment and intervention, with a specific focus on executive functions in the management of emotions in individuals with 47,XXY.

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2019-10-10T16:02:50-04:00Categories: 47,XXY (Klinefelter)|
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