ArticleEuropean journal of pediatrics2022
Body mass index in type 2 spinal muscular atrophy: a longitudinal study.
Article in European journal of pediatrics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 6 citations in OpenAlex.
- A detailed analysis of the effects of body parameters on motor function and fine motor skills measured at one-year intervals in patients with spinal muscular atrophy.BMC pediatrics · 2026Article
- Body Weight and Range of Motion as Predictors of Trunk Asymmetry in Children With Spinal Muscular Atrophy: A Prospective Functional Assessment.Medical science monitor : international medical journal of experimental and clinical research · 2025Article
- Effect of prone positioning and PEEP on respiratory mechanics in children undergoing scoliosis surgery.Journal of anesthesia, analgesia and critical care · 2025Article
- Spinal muscular atrophy and anorexia nervosa: a case report.BMC pediatrics · 2023Article
- Assessment of motor function and nutritional status in children with spinal muscular atrophy treated with nusinersen after loading period in Western China: a retrospective study.BMC neurology · 2023Article
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Authors and funding
26 authors at 8 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The aim of this retrospective study was to review body mass index (BMI) in a large cohort of Italian pediatric type 2 spinal muscular atrophy (SMA) patients, aged between 0 and 20 years and to establish possible differences in relation to a number of variables such as ventilation, motor function, and survival motor neuron 2 gene copies. Cross-sectional data were collected from 102 patients for a total of 344 visits. Standard growth charts for height and weight were used as reference, with age adjusted BMI calculated using the Center for Disease and Prevention Children's BMI Tool. In the 344 visits, weight ranged between 3.90 and 83 kg, and the BMI between 8.4 and 31.6 with a BMI/age z-scores < - 2SD present in 28% and BMI/age z-scores > + 2SD in 9% of the measurements. The BMI/age z-scores were relatively stable < 5 years of age with an increasing number of patients < - 2SD after the age of 5, and a wider range of BMI/age z-scores after the age of 13. A difference on the BMI/age z-scores was found among the different age subgroups (< 5, 5-12, ≥ 13 years). A multivariate analysis in 58 patients with longitudinal assessments showed that baseline BMI/age z-scores and gender were significantly contributing to the changes while other variables were not.
conclusionOur results confirm that careful surveillance of weight and BMI/age z-scores is needed in type 2 SMA. Further studies, including assessments of chewing and swallowing and of lean/fat body mass, will help to better understand the possible mechanisms underlying weight issues. WHAT IS KNOWN: • Feeding difficulties have been reported in a few studies and were invariably found in patients with type 1 SMA. • Type 2 SMA patients often have low BMI with a relevant number of patients requiring tube feeding. WHAT IS NEW: • Reduction in BMI/age z-score overtime appeared to depend on baseline BMI/age z-score and gender. • Patients with a low BMI/age z-score were at higher risk of developing further reduction.
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