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Activity of daily living for Morquio A syndrome.

Abstract：

:The aim of this study was to evaluate the activity of daily living (ADL) and surgical interventions in patients with mucopolysaccharidosis IVA (MPS IVA). The factor(s) that affect ADL are age, clinical phenotypes, surgical interventions, therapeutic effect, and body mass index. The ADL questionnaire comprises three domains: "Movement," "Movement with cognition," and "Cognition." Each domain has four subcategories rated on a 5-point scale based on the level of assistance. The questionnaire was collected from 145 healthy controls and 82 patients with MPS IVA. The patient cohort consisted of 63 severe and 17 attenuated phenotypes (2 were undefined); 4 patients treated with hematopoietic stem cell transplantation (HSCT), 33 patients treated with enzyme replacement therapy (ERT) for more than a year, and 45 untreated patients. MPS IVA patients show a decline in ADL scores after 10years of age. Patients with a severe phenotype have a lower ADL score than healthy control subjects, and lower scores than patients with an attenuated phenotype in domains of "Movement" and "Movement with cognition." Patients, who underwent HSCT and were followed up for over 10years, had higher ADL scores and fewer surgical interventions than untreated patients. ADL scores for ERT patients (2.5years follow-up on average) were similar with the-age-matched controls below 10years of age, but declined in older patients. Surgical frequency was higher for severe phenotypic patients than attenuated ones. Surgical frequency for patients treated with ERT was not decreased compared to untreated patients. In conclusion, we have shown the utility of the proposed ADL questionnaire and frequency of surgical interventions in patients with MPS IVA to evaluate the clinical severity and therapeutic efficacy compared with age-matched controls.

journal_name

Mol Genet Metab

journal_title

Molecular genetics and metabolism

authors

Yasuda E,Suzuki Y,Shimada T,Sawamoto K,Mackenzie WG,Theroux MC,Pizarro C,Xie L,Miller F,Rahman T,Kecskemethy HH,Nagao K,Morlet T,Shaffer TH,Chinen Y,Yabe H,Tanaka A,Shintaku H,Orii KE,Orii KO,Mason RW,Montaño AM

doi

10.1016/j.ymgme.2016.04.005

subject

Has Abstract

pub_date

2016-06-01 00:00:00

pages

111-22

issue

eissn

1096-7192

issn

1096-7206

pii

S1096-7192(16)30043-9

journal_volume

118

pub_type

杂志文章

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Activity of daily living for Morquio A syndrome.