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Analysis of The Demographics, Pathways to Diagnosis, Burden of Disease and Long-term Outcomes of Patients with Spinal Muscular Atrophy Managed at Red Cross War Memorial Children's Hospital

Spinal muscular atrophy (SMA) is an autosomal recessive disorder of anterior horn cell degeneration which results in symmetrical muscle weakness that affects multiple systems. This study was conducted to determine the burden of disease of SMA on children under the neuromuscular service at Red Cross...

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Main Author: Mkhize, Nondumiso
Other Authors: Wilmshurst, Joanne
Format: Thesis
Language:English
English
Published: Department of Paediatrics and Child Health 2026
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access_status_str Open Access
author Mkhize, Nondumiso
author2 Wilmshurst, Joanne
author_browse Mkhize, Nondumiso
Wilmshurst, Joanne
author_facet Wilmshurst, Joanne
Mkhize, Nondumiso
author_sort Mkhize, Nondumiso
collection Thesis
description Spinal muscular atrophy (SMA) is an autosomal recessive disorder of anterior horn cell degeneration which results in symmetrical muscle weakness that affects multiple systems. This study was conducted to determine the burden of disease of SMA on children under the neuromuscular service at Red Cross War Memorial Children's Hospital. A quantitative retrospective audit identified 86 DNA confirmed patients with SMA who attended the service from 2000 to August 2023. Thirty-six medical folders were accessible, 6 were excluded and 50 had been destroyed. An in-depth analysis of 30 folders showed a median age of diagnosis of 3.5 months for SMA1 (4 patients), 19 months for SMA2 (17 patients) and 34 months for SMA3 (9 patients). Five patients had demised and 4 were transferred to adult services. Over the study period, 172 chest infections were reported among the 30 children with SMA. Forty-three percent required home ventilation, 70% had scoliosis, 70% had contractures, 33% received feeding support via a percutaneous endoscopic gastrostomy tube and 44% of SMA3 patients had lost ambulation. Our SMA numbers are less than expected and delays in diagnosis were common. Strategies to improve diagnosis and minimize delays are needed and retaining medical records will provide more comprehensive insights on the long-term outcomes.
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institution University of Cape Town (South Africa)
language English
eng
last_indexed 2026-06-10T12:31:41.113Z
license_str Not specified — see source repository
provenance_str_mv Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository
publishDate 2026
publishDateRange 2026
publishDateSort 2026
publisher Department of Paediatrics and Child Health
publisherStr Department of Paediatrics and Child Health
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source_str UCTD — University of Cape Town Open Access Repository
spelling oai:open.uct.ac.za:11427/42521 Analysis of The Demographics, Pathways to Diagnosis, Burden of Disease and Long-term Outcomes of Patients with Spinal Muscular Atrophy Managed at Red Cross War Memorial Children's Hospital Mkhize, Nondumiso Wilmshurst, Joanne Raga, Sharika Spinal muscular atrophy Burden of disease Neuromuscular database Children South Africa Spinal muscular atrophy (SMA) is an autosomal recessive disorder of anterior horn cell degeneration which results in symmetrical muscle weakness that affects multiple systems. This study was conducted to determine the burden of disease of SMA on children under the neuromuscular service at Red Cross War Memorial Children's Hospital. A quantitative retrospective audit identified 86 DNA confirmed patients with SMA who attended the service from 2000 to August 2023. Thirty-six medical folders were accessible, 6 were excluded and 50 had been destroyed. An in-depth analysis of 30 folders showed a median age of diagnosis of 3.5 months for SMA1 (4 patients), 19 months for SMA2 (17 patients) and 34 months for SMA3 (9 patients). Five patients had demised and 4 were transferred to adult services. Over the study period, 172 chest infections were reported among the 30 children with SMA. Forty-three percent required home ventilation, 70% had scoliosis, 70% had contractures, 33% received feeding support via a percutaneous endoscopic gastrostomy tube and 44% of SMA3 patients had lost ambulation. Our SMA numbers are less than expected and delays in diagnosis were common. Strategies to improve diagnosis and minimize delays are needed and retaining medical records will provide more comprehensive insights on the long-term outcomes. 2026-01-09T11:53:57Z 2026-01-09T11:53:57Z 2025 2026-01-05T13:07:41Z Thesis / Dissertation Masters MMed http://hdl.handle.net/11427/42521 en eng application/pdf Department of Paediatrics and Child Health Faculty of Health Sciences University of Cape Town
spellingShingle Spinal muscular atrophy
Burden of disease
Neuromuscular database
Children
South Africa
Mkhize, Nondumiso
Analysis of The Demographics, Pathways to Diagnosis, Burden of Disease and Long-term Outcomes of Patients with Spinal Muscular Atrophy Managed at Red Cross War Memorial Children's Hospital
thesis_degree_str Master's
title Analysis of The Demographics, Pathways to Diagnosis, Burden of Disease and Long-term Outcomes of Patients with Spinal Muscular Atrophy Managed at Red Cross War Memorial Children's Hospital
title_full Analysis of The Demographics, Pathways to Diagnosis, Burden of Disease and Long-term Outcomes of Patients with Spinal Muscular Atrophy Managed at Red Cross War Memorial Children's Hospital
title_fullStr Analysis of The Demographics, Pathways to Diagnosis, Burden of Disease and Long-term Outcomes of Patients with Spinal Muscular Atrophy Managed at Red Cross War Memorial Children's Hospital
title_full_unstemmed Analysis of The Demographics, Pathways to Diagnosis, Burden of Disease and Long-term Outcomes of Patients with Spinal Muscular Atrophy Managed at Red Cross War Memorial Children's Hospital
title_short Analysis of The Demographics, Pathways to Diagnosis, Burden of Disease and Long-term Outcomes of Patients with Spinal Muscular Atrophy Managed at Red Cross War Memorial Children's Hospital
title_sort analysis of the demographics pathways to diagnosis burden of disease and long term outcomes of patients with spinal muscular atrophy managed at red cross war memorial children s hospital
topic Spinal muscular atrophy
Burden of disease
Neuromuscular database
Children
South Africa
url http://hdl.handle.net/11427/42521
work_keys_str_mv AT mkhizenondumiso analysisofthedemographicspathwaystodiagnosisburdenofdiseaseandlongtermoutcomesofpatientswithspinalmuscularatrophymanagedatredcrosswarmemorialchildrenshospital