Aortopathy in Persons With Bicuspid Aortic Valve, Turner and Marfan Syndrome

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

5 participants

Study Classification

OBSERVATIONAL

Study Start Date

2013-02-28

Study Completion Date

2015-10-31

Brief Summary

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The study aim is:

1. To examine aortic tissue by light microscopy
2. To examine aortic tissue by electron microscopy
3. To study changes in the epigenome and transcriptome of the X chromosome specific to aortic tissue.
4. To examine aortic tissue using biochemistry including proteomics.
5. To establish the karyotype of fibroblasts with standard chromosome examination on 10 meta-phases as well as by fluorescent in situ hybridization (FISH) with probes covering the X and Y chromosome. Using the latter 200 meta-phases will be examined.

30 controls who did not die from aortic dissection or dilation will be recruited from The Department of Forensic Medicine at Aarhus University Hospital.

The investigators will subject samples of aortic tissue from women undergoing prophylactic aortic surgery due to either Marfan syndrome or bicuspid aortic valve to the same panel of examinations (except karyotyping). Lastly the investigators will compare the results from the three groups (Turner syndrome, Marfan syndrome and Bicuspid aortic valve).

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Detailed Description

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Turner syndrome is a congenital complete or partial lack of one of the female sex chromosomes affecting 1 of 2000 live born girls. The syndrome is characterized by an increased prevalence of ischemic heart disease, aortic dilation and dissection, hypertension, stroke and autoimmune diseases in general.

Conditions

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Turner Syndrome Bicuspid Aortic Valve Marfan Syndrome

Study Design

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Observational Model Type

COHORT

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Turner syndrome (TS)

TS verified by genotyping Age \> 18 years awaiting operation due to aortic dilation

No interventions assigned to this group

Marfan syndrome (MS)

Females with MS verified clinically or by genotyping Age \> 18 years awaiting operation due to aortic dilation

No interventions assigned to this group

Bicuspid aortic valve

females with bicuspid aortic valve Age \> 18 years awaiting operation due to aortic dilation

No interventions assigned to this group

Controls

Men/females who died from conditions other than aortic dilation or dissection. Age 20-60 years.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* TS verified by genotyping
* Age \> 18 years
* Awaiting operation due to aortic dilation

B. Exclusion - Previous aortic dissection or operation of the aorta (per-cutaneous or open surgery)

Marfan syndrome (MS)

A. Inclusion

* Females with MS verified clinically or by genotyping
* Age \> 18 years
* Awaiting operation due to aortic dilation

B. Exclusion

\- Previous aortic dissection or operation of the aorta (per-cutaneous or open surgery)

Bicuspid aortic valve

A. Inclusion

* Females with Bicuspid aortic valve
* Age \> 18 years
* Awaiting operation due to aortic dilation

B. Exclusion - Previous aortic dissection or operation of the aorta (per-cutaneous or open surgery)

Controls

A. Inclusion

* Men/females who died from conditions other than aortic dilation or dissection.
* Age 20-60 years.

B. Exclusion

\- Previous aortic dissection or operation of the aorta (per-cutaneous or open surgery)

Minimum Eligible Age

18 Years

Maximum Eligible Age

90 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No