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Dr Cathryn Poulton Genetic Services of WA Dr Cathryn Poulton Genetic Services of WA

Dr Cathryn Poulton Genetic Services of WA - PowerPoint Presentation

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Uploaded On 2022-06-08

Dr Cathryn Poulton Genetic Services of WA - PPT Presentation

Who is Genetic Services Administrative Staff Genetic Counsellors Clinical Geneticists Registries Familial Cancer Research Nurses Laboratories Clinical staff divided into three different areas ID: 915383

diagnosis genetic family testing genetic diagnosis testing family embryos noonan counselling genetics familial risk pregnancy history support affected prenatal

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Presentation Transcript

Slide1

Dr Cathryn Poulton

Genetic Services of WA

Slide2

Who is Genetic Services?

Administrative Staff

Genetic CounsellorsClinical GeneticistsRegistries (Familial Cancer)Research Nurses LaboratoriesClinical staff divided into threedifferent areas:PaediatricsKEMH (adult and prenatal)Familial

Slide3

Clinic Locations

Perth

JoondalupRockinghamGeraldtonPort HedlandBunburyAlbanyKalgoorlie

Slide4

Genetic Counselling

Genetic counselling is a communication process, which aims to help individuals, couples and families understand and adapt to the medical, psychological, familial and reproductive implications of the genetic contribution to specific health conditions

(Human Genetics Society of Australasia)

Slide5

Why

see genetics

?A diagnosis can mean that parents are able to find support and information relevant to their child, ie support groupsDiagnosis may impact managementParents may wish to know recurrence risk for future pregnanciesOptions for prenatal testing in subsequent pregnancies

May affect other family members who are starting families

Emotional support for adjustment to diagnosis and coping

Slide6

What to expect at a genetics appointment

Long appointment (an hour)

A LOT of talkingWe will ask about family history, pregnancy history, developmental history and medical historyExamination and examination of family membersPhotos?blood test

Slide7

Noonan Syndrome

Genetic condition

Affects different body parts (multi system)Autosomal Dominant Diagnosis can be made clinically (set criteria)Genetic testing can confirm the diagnosis in up to 70% of cases

Slide8

DNA

Slide9

Slide10

Slide11

Genes identified in Noonan syndrome

Slide12

Management Guidelines

https://

rasopathiesnet.org/wp-content/uploads/2014/01/265_Noonan_Guidelines.pdf

Slide13

Pregnancy Planning

Options available depend on:

Known diagnosis- pattern of inheritanceParents affected (50% risk for offspring) or unaffectedResults from genetic testingIndividual, couple and family values and beliefsPerceptions about risk, burden and variability of conditionPerceptions about risks of testing

Slide14

OPTIONS

Taking no action

If gene change known-Becoming pregnant naturally then having prenatal diagnosis (CVS or amniocentesis)IVF to create embryos then performing testing called preimplantation genetic diagnosis (PGD)

Slide15

Chorionic Villus Sampling (CVS)

Testing of a small sample of the placenta

Between the 11th and 13th week of pregnancyPosition of the placentaRisk of miscarriage is approx 1 in 500

Slide16

Amniocentesis

Testing of the amniotic fluid

Between 15th and 19th week of pregnancyRisk of miscarriage is approximately 1 in 1000

Slide17

Preimplantation Genetic Diagnosis (PGD)

Use of assisted reproductive technology (IVF) to create embryos

Embryos tested for known gene changeSelection of unaffected embryos for transferCost not covered by Medicare

No guarantee of a pregnancy

Slide18

COUNSELLING ASPECTS

Explore feelings about a diagnosis-

shockgriefguiltno big dealangershame

Slide19

Coping with a genetic diagnosis

Reactions of family, friends and strangers

Uncertainty and worries about the future How to talk about a diagnosis with the affected child and othersContact with other parents and others affected with/by the same conditionResources

Slide20

Talking with children about genetic disorders

Incorporating genetic information into self-identity

A different, not necessarily worse, realityInformation sharing as a continuumEstablishing considered words/phrases/dialogue;(By taking time to prepare your story before sharing it with others, you can take control over the story you choose to communicate)

Slide21

What can I say?

Phrases with neutral words:

The recipe for my skin is a bit different, but otherwise I’m just the sameEveryone’s different, one of my differences is my ……..I might be shorter than you because my recipe’s a bit different but I’m just as grown-up as you