Dataset Information

Impact of glycogen storage disease type I on adult daily life: a survey.

ABSTRACT:

Background

Glycogen storage disease type I (GSD I) is a rare autosomal recessive disorder of carbohydate metabolism characterized by recurrent hypoglycaemia and hepatomegaly. Management of GSD I is demanding and comprises a diet with defined carbohydrate intake and the use of complex carbohydrates, nocturnal tube feeding or night-time uncooked cornstarch intake, regular blood glucose monitoring and the handling of emergency situations. With improved treatment, most patients nowadays survive into adulthood. Little research has been performed on the impact of GSD I on daily life, especially in adult patients.

Results

In this multi-centre study we assessed the impact of GSD I on adult daily life in 34 GSD I patients (27 GSD Ia, 7 GSD Ib) between 17 and 54 years (median 26 years) using a self-designed questionnaire that specifically focused on different aspects of daily life, such as job situation, social life, sports, travelling, composition of the household, night-time and day-time dietary management and disease monitoring as well as the patient's attitude towards the disease. At the time of investigation, the majority of patients either attended school or university or were employed, while 3 patients (9%) were out of work. Most patients ranked GSD I as a disease with moderate severity and disease burden. Dietary treatment was considered challenging by many, but the vast majority of patients considered life with GSD I as well-manageable.

Conclusions

Although the management of GSD I poses a significant burden on daily life, most patients live an independent adult life, have a positive attitude towards their disease and seem to cope well with their situation.

SUBMITTER: Garbade SF

PROVIDER: S-EPMC8414849 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:IntroductionA deficiency of glycogen debrancher enzyme in patients with glycogen storage disease type III (GSD III) manifests with hepatic, cardiac, and muscle involvement in the most common subtype (type a), or with only hepatic involvement in patients with GSD IIIb.Objective and methodsTo describe longitudinal biochemical, radiological, muscle strength and ambulation, liver histopathological findings, and clinical outcomes in adults (≥18 years) with glycogen storage disease type III, by a retrospective review of medical records.ResultsTwenty-one adults with GSD IIIa (14 F & 7 M) and four with GSD IIIb (1 F & 3 M) were included in this natural history study. At the most recent visit, the median (range) age and follow-up time were 36 (19-68) and 16 years (0-41), respectively. For the entire cohort: 40% had documented hypoglycemic episodes in adulthood; hepatomegaly and cirrhosis were the most common radiological findings; and 28% developed decompensated liver disease and portal hypertension, the latter being more prevalent in older patients. In the GSD IIIa group, muscle weakness was a major feature, noted in 89% of the GSD IIIa cohort, a third of whom depended on a wheelchair or an assistive walking device. Older individuals tended to show more severe muscle weakness and mobility limitations, compared with younger adults. Asymptomatic left ventricular hypertrophy (LVH) was the most common cardiac manifestation, present in 43%. Symptomatic cardiomyopathy and reduced ejection fraction was evident in 10%. Finally, a urinary biomarker of glycogen storage (Glc4) was significantly associated with AST, ALT and CK.ConclusionGSD III is a multisystem disorder in which a multidisciplinary approach with regular clinical, biochemical, radiological and functional (physical therapy assessment) follow-up is required. Despite dietary modification, hepatic and myopathic disease progression is evident in adults, with muscle weakness as the major cause of morbidity. Consequently, definitive therapies that address the underlying cause of the disease to correct both liver and muscle are needed.