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Tofts LJ, Armstrong JA, Broley S, Carroll T, Ireland PJ, Koo M, Langdon K, McGregor L, McKenzie F, Mehta D, Savarirayan R, Tate T, Wesley A, Zankl A, Jenner M, Eyles M, Pacey V. Australian guidelines for the management of children with achondroplasia. J Paediatr Child Health 2023; 59:229-241. [PMID: 36628540 PMCID: PMC10107108 DOI: 10.1111/jpc.16290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 10/14/2022] [Accepted: 10/23/2022] [Indexed: 01/12/2023]
Abstract
Achondroplasia is the most common form of skeletal dysplasia. In addition to altered growth, children and young people with achondroplasia may experience medical complications, develop and function differently to others and require psychosocial support. International, European and American consensus guidelines have been developed for the management of achondroplasia. The Australian focused guidelines presented here are designed to complement those existing guidelines. They aim to provide core care recommendations for families and clinicians, consolidate key resources for the management of children with achondroplasia, facilitate communication between specialist, local teams and families and support delivery of high-quality care regardless of setting and geographical location. The guidelines include a series of consensus statements, developed using a modified Delphi process. These statements are supported by the best available evidence assessed using the National Health and Medicine Research Council's criteria for Level of Evidence and their Grading of Recommendations Assessment, Development and Evaluation (GRADE). Additionally, age specific guides are presented that focus on the key domains of growth, medical, development, psychosocial and community. The guidelines are intended for use by health professionals and children and young people with achondroplasia and their families living in Australia.
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Affiliation(s)
- Louise J Tofts
- Department of Health Sciences, Macquarie University, Sydney, New South Wales, Australia.,Kids Rehab, The Children's Hospital at Westmead, Sydney, New South Wales, Australia
| | - Jennifer A Armstrong
- Department of Health Sciences, Macquarie University, Sydney, New South Wales, Australia.,Department of Orthopaedics, The Children's Hospital at Westmead, Sydney, New South Wales, Australia
| | - Stephanie Broley
- Genetic Services of Western Australia, King Edward Memorial Hospital, Perth, Western Australia, Australia.,Undiagnosed Diseases Program, Perth Children's Hospital, Perth, Western Australia, Australia
| | - Theresa Carroll
- Queensland Paediatric Rehabilitation Service, Queensland Children's Hospital, Brisbane, Queensland, Australia
| | - Penelope J Ireland
- Queensland Paediatric Rehabilitation Service, Queensland Children's Hospital, Brisbane, Queensland, Australia.,School of Health and Rehabilitation Sciences, University of Queensland, Brisbane, Queensland, Australia
| | - Minna Koo
- Kids Rehab, The Children's Hospital at Westmead, Sydney, New South Wales, Australia.,The Children's Hospital at Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia
| | - Katherine Langdon
- Kids Rehab WA, Perth Children's Hospital, Perth, Western Australia, Australia.,Telethon Kids Institute, Perth, Western Australia, Australia
| | - Lesley McGregor
- Paediatric and Reproductive Genetics Unit, Women's and Children's Hospital, Adelaide, Australia
| | - Fiona McKenzie
- Genetic Services of Western Australia, King Edward Memorial Hospital, Perth, Western Australia, Australia.,School of Paediatrics and Child Health, University of Western Australia, Perth, Western Australia, Australia
| | - Divyesh Mehta
- Curtin University, Perth, Western Australia, Australia.,Child and Adolescent Health Services, Perth Children's Hospital, Perth, Western Australia, Australia
| | - Ravi Savarirayan
- Skeletal Therapies, Murdoch Children's Research Institute, Melbourne, Victoria, Australia.,University of Melbourne, Melbourne, Victoria, Australia
| | - Tracy Tate
- Kids Rehab, The Children's Hospital at Westmead, Sydney, New South Wales, Australia
| | - Alison Wesley
- Kids Rehab, The Children's Hospital at Westmead, Sydney, New South Wales, Australia
| | - Andreas Zankl
- The Children's Hospital at Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia.,Department of Clinical Genetics, The Children's Hospital at Westmead, Sydney, New South Wales, Australia
| | - Maree Jenner
- Medical Advisory Board, Short Statured People of Australia, Melbourne, Victoria, Australia
| | - Marta Eyles
- Medical Advisory Board, Short Statured People of Australia, Melbourne, Victoria, Australia
| | - Verity Pacey
- Department of Health Sciences, Macquarie University, Sydney, New South Wales, Australia.,The Children's Hospital at Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia
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What to Expect of Feeding Abilities and Nutritional Aspects in Achondroplasia Patients: A Narrative Review. Genes (Basel) 2023; 14:genes14010199. [PMID: 36672940 PMCID: PMC9858955 DOI: 10.3390/genes14010199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/05/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Achondroplasia is an autosomal dominant genetic disease representing the most common form of human skeletal dysplasia: almost all individuals with achondroplasia have identifiable mutations in the fibroblast growth factor receptor type 3 (FGFR3) gene. The cardinal features of this condition and its inheritance have been well-established, but the occurrence of feeding and nutritional complications has received little prominence. In infancy, the presence of floppiness and neurological injury due to foramen magnum stenosis may impair the feeding function of a newborn with achondroplasia. Along with growth, the optimal development of feeding skills may be affected by variable interactions between midface hypoplasia, sleep apnea disturbance, and structural anomalies. Anterior open bite, prognathic mandible, retrognathic maxilla, and relative macroglossia may adversely impact masticatory and respiratory functions. Independence during mealtimes in achondroplasia is usually achieved later than peers. Early supervision of nutritional intake should proceed into adolescence and adulthood because of the increased risk of obesity and respiratory problems and their resulting sequelae. Due to the multisystem involvement, oral motor dysfunction, nutrition, and gastrointestinal issues require special attention and personalized management to facilitate optimal outcomes, especially because of the novel therapeutic options in achondroplasia, which could alter the progression of this rare disease.
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Hoover-Fong J, Cheung MS, Fano V, Hagenas L, Hecht JT, Ireland P, Irving M, Mohnike K, Offiah AC, Okenfuss E, Ozono K, Raggio C, Tofts L, Kelly D, Shediac R, Pan W, Savarirayan R. Lifetime impact of achondroplasia: Current evidence and perspectives on the natural history. Bone 2021; 146:115872. [PMID: 33545406 DOI: 10.1016/j.bone.2021.115872] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 01/24/2021] [Accepted: 01/30/2021] [Indexed: 11/18/2022]
Abstract
Achondroplasia, the most common form of disproportionate short stature, is caused by a variant in the fibroblast growth factor receptor 3 (FGFR3) gene. Advances in drug treatment for achondroplasia have underscored the need to better understand the natural history of this condition. This article provides a critical review and discussion of the natural history of achondroplasia based on current literature evidence and the perspectives of clinicians with extensive knowledge and practical experience in managing individuals with this diagnosis. This review draws evidence from recent and ongoing longitudinal natural history studies, supplemented with relevant cross-sectional studies where longitudinal research is lacking, to summarize the current knowledge on the nature, incidence, chronology, and interrelationships of achondroplasia-related comorbidities across the lifespan. When possible, data related to adults are presented separately from data specific to children and adolescents. Gaps in knowledge regarding clinical care are identified and areas for future research are recommended and discussed.
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Affiliation(s)
- Julie Hoover-Fong
- McKusick-Nathans Department of Genetic Medicine, Johns Hopkins University, Baltimore, MD, USA.
| | - Moira S Cheung
- Guy's and St. Thomas' NHS Foundation Trust, Evelina Children's Hospital, London, UK
| | - Virginia Fano
- Department of Growth and Development, Hospital Garrahan, Buenos Aires, Argentina
| | - Lars Hagenas
- Karolinska Institute, Division of Pediatric Endocrinology, Department of Women's and Children's Health, Stockholm, Sweden
| | - Jacqueline T Hecht
- University of Texas, Houston, McGovern Medical School, Department of Pediatrics, Houston, TX, USA
| | - Penny Ireland
- Queensland Paediatric Rehabilitation Service, Queensland Children's Hospital, Brisbane, Queensland, Australia
| | - Melita Irving
- Guy's and St. Thomas' NHS Foundation Trust, Evelina Children's Hospital, London, UK
| | - Klaus Mohnike
- Otto-von-Guericke-University Magdeburg, Department of Pediatrics, Magdeburg, Germany
| | - Amaka C Offiah
- Department of Oncology & Metabolism, University of Sheffield, Sheffield, UK
| | - Ericka Okenfuss
- Kaiser Permanente - Sacramento Medical Center, Department of Genetics, Sacramento, CA, USA
| | - Keiichi Ozono
- Osaka University Graduate School of Medicine, Department of Pediatrics, Osaka, Japan
| | - Cathleen Raggio
- Hospital for Special Surgery, Pediatric Orthopedic Surgery Service, New York, NY, USA
| | - Louise Tofts
- Kids Rehab, The Children's Hospital at Westmead, Westmead, NSW, Australia
| | - Dominique Kelly
- BioMarin Pharmaceutical Inc., Global Medical Affairs, Novato, CA, USA
| | - Renée Shediac
- BioMarin Pharmaceutical Inc., Global Medical Affairs, Novato, CA, USA
| | - Wayne Pan
- BioMarin Pharmaceutical Inc., Global Medical Affairs, Novato, CA, USA
| | - Ravi Savarirayan
- Murdoch Children's Research Institute, Royal Children's Hospital, University of Melbourne, Parkville, Victoria, Australia
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