Acta neurologica Scandinavica · 2022
Myasthenia gravis-treatment and severity in nationwide cohort.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Sobieszczuk Ewa, Napiórkowski Łukasz, Szczudlik Piotr, Kostera-Pruszczyk Anna
Аннотация
INTRODUCTION: Myasthenia gravis (MG) is a rare autoimmune disorder of neuromuscular junction. MG healthcare burden has not been studied in Poland before.
METHODS: Data were drawn from the National Health Fund database; MG patient was defined as a person who received at least once medical service with ICD-10 code MG (G70) and at least two reimbursed prescriptions for pyridostigmine bromide or ambenonium chloride in two consecutive years. We have analyzed treatment: immunosuppression, intravenous immunoglobulins (IVIg), plasma exchange (PE), the number and length of hospitalizations (LOS), intensive care unit (ICU) care, and deaths between 2013 and 2018.
RESULTS: In 2018, there were 9012 MG patients (F:M 1.62:1), and 30.6% had early -onset MG (<50 years). 66.3% received symptomatic treatment only, 33.7%-glucocorticoids (CS) and/or other immunosuppressants (IS), 64.6%-CS only, 17.5%-azathioprine plus CS, 11%-azathioprine only, 4.6%-CS plus other IS (methotrexate, mycophenolate mofetil, cyclosporine, or tacrolimus), and 2%-other IS only. In 2018, 42.3% of patients were hospitalized at least once (mean 2.05/year), 13.7% due to MG (1.47/year). In 2018, 1.63% patients received PE, 2.33% IVIg. In 2013-2018, 2.7%-3.2% of MG patients required hospitalization in ICU. ICU mean LOS 2013-2018 was 11.5-15.0 days/per patient/year. 2.1% of all MG patients had myasthenic crisis. Mean age at death was 75.7 years for MG and 73.9 for general population (p = .006). All-cause mortality was higher for men (4.1%-5.1%) than for women (2.5%-3.1%), p < .01.
CONCLUSIONS: Our findings confirm significant healthcare burden of MG, comprising a tool to plan resources needed for MG patients.
METHODS: Data were drawn from the National Health Fund database; MG patient was defined as a person who received at least once medical service with ICD-10 code MG (G70) and at least two reimbursed prescriptions for pyridostigmine bromide or ambenonium chloride in two consecutive years. We have analyzed treatment: immunosuppression, intravenous immunoglobulins (IVIg), plasma exchange (PE), the number and length of hospitalizations (LOS), intensive care unit (ICU) care, and deaths between 2013 and 2018.
RESULTS: In 2018, there were 9012 MG patients (F:M 1.62:1), and 30.6% had early -onset MG (<50 years). 66.3% received symptomatic treatment only, 33.7%-glucocorticoids (CS) and/or other immunosuppressants (IS), 64.6%-CS only, 17.5%-azathioprine plus CS, 11%-azathioprine only, 4.6%-CS plus other IS (methotrexate, mycophenolate mofetil, cyclosporine, or tacrolimus), and 2%-other IS only. In 2018, 42.3% of patients were hospitalized at least once (mean 2.05/year), 13.7% due to MG (1.47/year). In 2018, 1.63% patients received PE, 2.33% IVIg. In 2013-2018, 2.7%-3.2% of MG patients required hospitalization in ICU. ICU mean LOS 2013-2018 was 11.5-15.0 days/per patient/year. 2.1% of all MG patients had myasthenic crisis. Mean age at death was 75.7 years for MG and 73.9 for general population (p = .006). All-cause mortality was higher for men (4.1%-5.1%) than for women (2.5%-3.1%), p < .01.
CONCLUSIONS: Our findings confirm significant healthcare burden of MG, comprising a tool to plan resources needed for MG patients.