Genetic Testing and Genetic Counseling

Ophthalmology ◽  
2009 ◽  
pp. 19-24
Author(s):  
Janey L. Wiggs
2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Bryn D. Webb ◽  
Irini Manoli ◽  
Elizabeth C. Engle ◽  
Ethylin W. Jabs

AbstractThere is a broad differential for patients presenting with congenital facial weakness, and initial misdiagnosis unfortunately is common for this phenotypic presentation. Here we present a framework to guide evaluation of patients with congenital facial weakness disorders to enable accurate diagnosis. The core categories of causes of congenital facial weakness include: neurogenic, neuromuscular junction, myopathic, and other. This diagnostic algorithm is presented, and physical exam considerations, additional follow-up studies and/or consultations, and appropriate genetic testing are discussed in detail. This framework should enable clinical geneticists, neurologists, and other rare disease specialists to feel prepared when encountering this patient population and guide diagnosis, genetic counseling, and clinical care.


Author(s):  
Christian F. Singer ◽  
Yen Y. Tan ◽  
Christine Rappaport

AbstractAimThe aim of this study is to review the legal implications, the technology, the indications and the management of women with a familial background of breast and/or ovarian cancer.MethodsWe have reviewed the literature and national Austrian guidelines to describe the uptake of genetic counseling and the management options offered in Austria.ResultsGenetic testing for theConclusionWhile readily available country-wide counseling has led to an increase in counseling and testing, Austrian legislation mandates “non-directional counseling” resulting in a comparatively low uptake of prophylactic surgery.


2014 ◽  
Vol 2014 ◽  
pp. 1-19 ◽  
Author(s):  
Jeeyae Choi ◽  
Hyeoneui Kim

Background. Advances in genetic science and biotechnology accumulated huge knowledge of genes and various genetic tests and diagnostic tools for healthcare providers including nurses. Genetic counseling became important to assist patients making decisions about obtaining genetic testing or preventive measures. Method. This review was conducted to describe the counseling topics, various interventions adopted in genetic counseling, and their effectiveness. Experimental studies (N=39) published between 1999 and 2012 were synthesized. Results. The most frequently covered topic was benefits and limitations of genetic testing on breast cancer ovarian and colorectal cancers. Most of researchers focused on evaluating cognitive aspect and psychological well-being. Conclusion. No single intervention was consistently reported to be effective. Decision aids enhanced with information technologies have potential to improve the outcomes of genetic counseling by providing tailored information and facilitating active engagement of patients in information uptake. Clinical Implication. When nurses are familiar with topics and interventions of genetic counseling, they are well positioned to provide genetic/genomic information to the patient and families.


2021 ◽  
Vol 39 (15_suppl) ◽  
pp. 10524-10524
Author(s):  
Alexandra Wehbe ◽  
Mark A. Manning ◽  
Hadeel Assad ◽  
Kristen Purrington ◽  
Michael S. Simon

10524 Background: Carriers of pathogenic variants in cancer susceptibility genes have an elevated risk of developing breast, ovarian, and other cancers.We conducted a medical record review to determine the uptake of genetic counseling and testing in a clinic-based population of women with breast cancer. Methods: Medical records of 150 women with breast cancer seen at the Karmanos Cancer Institute between January-December 2018 were reviewed to determine the proportion eligible for genetic testing according to National Comprehensive Cancer Network guidelines. We also assessed genetics referral rates, appointment completion and results of genetic testing. Using chi-square and ANOVA tests, we analyzed the association of demographic and clinical factors with eligibility and referral to genetic counseling. Results: The average age of diagnosis was 57.1 years old, with 68.7% of women diagnosed with stage I-III disease, and 31.3% diagnosed with stage IV disease. There were 91 (60.7%) women who met NCCN criteria for genetic testing, of which 46.2% ultimately underwent genetic testing. Eligible women were more likely to be younger (52.6 vs. 64.0 years old), White (75.0% vs. 54.5%), and have Medicaid (75.0%) or private insurance (72.9%) vs. Medicare (44.8%). Women who met NCCN criteria were 3.5 times more likely to be referred for genetic counseling than those that did not meet eligibility criteria. Women were also more likely to be referred if they had early-stage disease compared to stage IV (67.8% vs. 48.3%), and Medicaid or private insurance compared to Medicare (71.4%, 72.0% and 40.0%, respectively). Of eligible women, 59.3% had a genetic counseling appointment scheduled, and of those, 78.0% attended their appointment. There were no apparent differences in appointment completion based on race with similar percentages of Black and White women completing their appointments (74.0% and 77.0% respectively). Women with stage IV disease were more likely to complete their appointments (83.0%) compared to women with stages I-III (74.0%) and fewer women with Medicare completed their genetic counseling appointment (56.0%) compared to women with Medicaid (83.0%) and women with private insurance (83.0%). Among women who attended their appointment, 95.9% underwent genetic testing. Of women who had genetic testing, 8.5% had a pathogenic variant and 30.4% had a variant of unknown significance. Conclusions: The results of this study indicate that lack of genetic counseling referrals contribute to a gap between the need for and completion of genetic testing. By understanding barriers to genetic counseling and testing, future clinical initiatives could effectively improve accessibility to genetic counseling services.


Author(s):  
Mohammad Bagher Hashemi-Soteh ◽  
Ali Vali Nejad ◽  
Golamreza Ataei ◽  
Dariush Ghasemi ◽  
Rita Siamy

Background: Genetic testing has been widely introduced for many hereditary disorders. While the attitudes towards these facilities have been evaluated in many countries, there are only a few reports on the knowledge of and the orientation among Iranians. Objective: The current study assesses the attitudes and knowledge of pre-marriage individuals toward the availability and use of genetic tests. Materials and Methods: A comprehensive questionnaire was distributed among 408 marrying individuals. The questions addressed the demographic characteristics along the registration of participant’s knowledge, education, and attitude toward genetic testing. The individuals were divided into three groups based on their knowledge: 1) Scored above 80 to 100 were defined as “good” 2) 60 to 80 as “average” 3) less than 60 as “poor” knowledge. Result: Most participants (86%) believed consanguineous marriages increase the risk of genetic diseases; 82.3% knew that thalassemia is a type of genetic disease, only 33.3% could distinguish prenatal diagnosis (PND) from other laboratory tests. The relationship between the participants’ knowledge and their level of education was significant (r = 0.78, p < 0.001), age (r =–0.16, p < 0.01), and urbanity (p < 0.01). A prominent relationship was observed between the knowledge (r = 0.64, p < 0.001) or education (r = 0.62, p < 0.001) and people’s desire to use the genetic tests before the wedding ceremony. No significant correlations were found between the participant’s attitude and their ages/urbanity. Most of the individuals agreed to arrange a genetic counseling before marriage (0.94%). Conclusion: This study revealed that most individuals were interested in using genetic counseling services and genetic tests before marriage.


2020 ◽  
Author(s):  
Kimberly Zayhowski

Despite recent advances in genetic technologies that are making invasive prenatal diagnosis less common, amniocentesis and chorionic villus sampling (CVS) remain an integral part of prenatal care. A multitude of tests, including a variety of genetic tests, can be performed using samples collected from either procedure. Although invasive testing has limitations, many genetic conditions can only be diagnosed through invasive techniques during pregnancy. Invasive testing continues to assist patients and providers in making informed decisions regarding the care of pregnancies. This review details amniocentesis and chorionic villus sampling with a focus on genetic testing, describing why the tests are performed, the way in which they are performed, and the associated limitations and complications of the procedures.  This review 5 figures, 3 tables, and 26 references. Keywords: prenatal diagnosis, amniocentesis, chorionic villus sampling, genetic testing, genetic counseling, invasive prenatal testing, pregnancy, aneuploidy


Neurogenetics ◽  
2012 ◽  
pp. 6-16 ◽  
Author(s):  
David Craufurd ◽  
Peter S. Harper ◽  
Nicholas Wood

2019 ◽  
Vol 51 (9) ◽  
pp. 1353-1355 ◽  
Author(s):  
Na Shen ◽  
Delei Li ◽  
Yaowu Zhu ◽  
Huaping Xie ◽  
Yanjun Lu

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