As uptake of rapid genome sequencing (GS) in the neonatal period steadily increases, a clinical genetics service that is optimized to the needs of parents becomes increasingly important. We aimed to investigate factors that influence decision making about rapid GS by parents of infants admitted to neonatal intensive care units (NICU) and explore their experiences of decisional conflict and anxiety during this time. Parents of neonates suspected of having a genetic disorder and offered rapid GS in the NICU completed a questionnaire measuring experience with GS counseling, decisional conflict, and anxiety level. Our results demonstrate that despite a largely positive GS experience (70%; 21/30) among the survey respondents, 50.0% (14/28) experienced moderate to severe anxiety measured using the GAD‐7 scale, and 34.6% (9/26) experienced decisional conflict measured using the SURE scale. We also showed that prematurity may be a modifier of anxiety in this group of parents and although not statistically significant, distance lived away from the hospital site could have practical significance. Open‐ended responses to survey questions highlighted that feeling overwhelmed, the types of engagements parents had with healthcare providers, and the timing of information provision also influenced parental decision making in this setting. We suggest that the GAD‐7 scale for generalized anxiety and SURE scale for decisional conflict could be incorporated by genetic counselors into routine care of parents of neonates who have been offered rapid GS to identify those who may need additional support (resources, information, or psychological). These tools may inform ways that communication between patients and providers can be improved and enhanced and clinical genetics services in the NICU can be optimized. We suggest that integrating genetic counselors into the NICU care team could increase access for this population and ensure delivery of optimized patient education and counseling.
Objectives Children and families affected by congenital limb deficiencies (CLD) require a unique level of emotional support from diagnosis through to adolescence. The following study aims to collect data on Canadian paediatric patients affected by a CLD followed at BC Children’s Hospital (BCCH), Department of Orthopaedics. Methods Parents of children with a CLD were asked to complete a written questionnaire examining their experiences. Qualitative and quantitative data were collected concerning parent satisfaction with patient referrals, emotional support, and knowledge of their child’s diagnosis. Results Twenty-five completed questionnaires were returned. Fifty per cent of the parents reported they were either very satisfied, or satisfied, with the emotional support provided by health care providers (HCPs). Twenty-five per cent of the parents were unsatisfied with the emotional support received by HCPs. Forty-eight per cent of the parents could not recall the specific name of their child’s diagnosis; 20% of the parents reported their child did not have diagnosis. All the patients in our study had received a clinical diagnosis. Twenty-eight per cent of the parents in this study were also seen in medical genetics. Conclusions Families require additional resources for emotional support, peer support, and referrals to support organizations. Gaps in parent knowledge regarding their child’s CLD suggest the need for formalized communication strategies for HCPs. Furthermore, patients with CLDs and their families may benefit from improved communication between orthopaedic and medical genetic services at the time of diagnosis. Integration of genetic counsellors may improve emotional supports and education for families with regards to testing and reproductive planning.
The MT-TL1 gene codes for the mitochondrial leucine transfer RNA (tRNA Leu(UUR)) necessary for mitochondrial translation. Pathogenic variants in the MT-TL1 gene result in mitochondriopathy in humans. The m.3250T>C variant in the MT-TL1 gene has been previously associated with exercise intolerance and mitochondrial myopathy, yet disease classification for this variant has not been consistently reported. Molecular studies suggest the m.3250T>C variant does not alter tRNA Leu(UUR) structure but may have a modest impact on aminoacylation capacity. However, functional studies are limited. Our study aimed to further define the clinical presentation, inheritance pattern, and molecular pathology of the m.3250T>C variant. Families with the m.3250T>C variant were recruited from the Mitochondrial Disease Clinic at Cincinnati Children's Hospital Medical Center and GeneDx laboratory database. Affected individuals most frequently presented with cardiac findings, exercise intolerance, and muscle weakness. Hypertrophic cardiomyopathy was the most frequent cardiac finding. Many asymptomatic individuals had homoplasmic or near homoplasmic levels of the m.3250T>C variant, suggesting the penetrance is incomplete. Patient-derived fibroblasts demonstrated lowered ATP production and increased levels of reactive oxygen species. Our results demonstrate that the m.3250T>C variant exhibits incomplete penetrance and may be a possible cause of cardiomyopathy by impacting cellular respiration in mitochondria.
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