Publications by authors named "Carol S Walton"

4 Publications

  • Page 1 of 1

2013 Review and Update of the Genetic Counseling Practice Based Competencies by a Task Force of the Accreditation Council for Genetic Counseling.

J Genet Couns 2016 10 23;25(5):868-79. Epub 2016 Jun 23.

Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA.

The first practice based competencies (PBCs) for the field of genetic counseling were adopted by the American Board of Genetic Counseling (ABGC), 1996. Since that time, there has been significant growth in established and new work settings (clinical and non-clinical) and changes in service delivery models and the roles of genetic counselors. These changes prompted the ABGC to appoint a PBC Task Force in 2011 to review the PBCs with respect to their current relevance and to revise and update them as necessary. There are four domains in the revised PBCs: (I) Genetics Expertise and Analysis (II) Interpersonal, Psychosocial and Counseling Skills (III) Education and (IV) Professional Development and Practice. There are 22 competencies, each clarified with learning objectives or samples of activities and skills; a glossary is included. New competencies were added that address genomics, genetic testing and genetic counselors' roles in risk assessment, education, supervision, conducting research and presenting research options to patients. With PBCs serving as the pre-defined abilities or outcomes of training, graduating genetic counselors will be well prepared to enter the field with a minimum level of skills and abilities. A description of the Task Force's work, key changes and the 2013 PBCs are presented herein.
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http://dx.doi.org/10.1007/s10897-016-9984-3DOI Listing
October 2016

Exon deletions of the EP300 and CREBBP genes in two children with Rubinstein-Taybi syndrome detected by aCGH.

Eur J Hum Genet 2011 Jan 18;19(1):43-9. Epub 2010 Aug 18.

The Children's Hospital, Section of Clinical Genetics and Metabolism, Denver, UC Denver, Aurora, CO, USA.

We demonstrate the utility of an exon coverage microarray platform in detecting intragenic deletions: one in exons 24-27 of the EP300 gene and another in exons 27 and 28 of the CREBBP gene in two patients with Rubinstein-Taybi syndrome (RSTS). RSTS is a heterogeneous disorder in which approximately 45-55% of cases result from deletion or mutations in the CREBBP gene and an unknown portion of cases result from gene changes in EP300. The first case is a 3-year-old female with an exonic deletion of the EP300 gene who has classic facial features of RSTS without the thumb and great toe anomalies, consistent with the milder skeletal phenotype that has been described in other RSTS cases with EP300 mutations. In addition, the mother of this patient also had preeclampsia during pregnancy, which has been infrequently reported. The second case is a newborn male who has the classical features of RSTS. Our results illustrate that exon-targeted array comparative genomic hybridization (aCGH) is a powerful tool for detecting clinically significant intragenic rearrangements that would be otherwise missed by aCGH platforms lacking sufficient exonic coverage or sequencing of the gene of interest.
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http://dx.doi.org/10.1038/ejhg.2010.121DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3039495PMC
January 2011

Genetic counseling practice analysis.

J Genet Couns 2009 Jun 11;18(3):205-16. Epub 2009 Mar 11.

American Board of Genetic Counseling, Olathe, KS, USA.

The American Board of Genetic Counseling (ABGC) performed a genetic counseling practice analysis (PA) to determine the content of the certification examination. The ABGC-appointed PA Advisory Committee worked with psychometricians to develop a survey which was distributed to 2,038 genetic counselors in the United States and Canada. The survey was also accessible on the ABGC website. Multiple criteria were used to establish the significance of the tasks included in the survey. A total of 677 responses were used in the analysis, representing a 37.1% corrected response rate. Five major content domains with 143 tasks were identified in the PA. New certification test specifications were developed on the basis of PA results and will be used in developing future examination forms. In keeping with credentialing standards, ABGC plans to conduct a PA on a regular basis so that the content of the examination reflects current practice.
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http://dx.doi.org/10.1007/s10897-009-9216-1DOI Listing
June 2009

De novo isodicentric X chromosome: 46,X,idic(X)(q24), and summary of literature.

Am J Med Genet A 2006 Apr;140(8):923-30

Division of Clinical Genetics and Metabolism, The Children's Hospital, University of Colorado School of Medicine, Denver, Colorado 80218, USA.

We describe a 12-year-old patient, the second live born prenatally ascertained patient in the literature, with a de novo isodicentric X chromosome, karyotype 46,X,idic(X)(q24), with normal growth and development and lack of dysmorphic features. Molecular and cytogenetic studies were performed to further characterize the isodicentric chromosome X behavior. Literature on isodicentric X chromosomes with various breakpoints on Xq is reviewed and summarized.
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http://dx.doi.org/10.1002/ajmg.a.31184DOI Listing
April 2006