조절되지 않은 중증 근무력증 환자의 사망률 분석: 전국 규모의 코호트 연구 (Mortality in Uncontrolled Myasthenia Gravis: A Population-Based Cohort Study of South Korea)

서지정보

· 발행기관 : 대한약물역학위해관리학회
· 수록지 정보 : 약물역학위해관리학회지 / 17권 / 1호 / 31 ~ 40페이지
· 저자명 : 이혜성, 노윤하, 김주환, 류우현, 신주영

초록

Despite advances in treatment, uncontrolled myasthenia gravis (MG) remains a clinical challenge associated with increased mortality. This study aimed to evaluate the mortality risk in patients with uncontrolled MG compared with those with controlled MG. A retrospective cohort study was conducted using South Korea’s nationwide claims database between January 1, 2007, and February 28, 2023.
Patients newly diagnosed with MG between 2008 and 2020 were classified into uncontrolled MG (n=58) and controlled MG (n=9,486) groups based on the use of corticosteroid dose, non-steroidal immunosuppressants, and intravenous immunoglobulin/plasma exchange administration. We estimated hazard ratios (HR) and 95% confidence intervals (CI) of all-cause mortality using Cox proportional hazards models. The mortality risk was significantly higher in patients with uncontrolled MG compared to patients with controlled MG (incidence rates: 4.0 vs.
2.0 per 100 person-years, respectively; adjusted HR: 2.12, 95% CI: 1.19–3.76). Kaplan- Meier survival curves confirmed reduced survival probabilities in uncontrolled MG patients over time. Our study found the significant mortality burden associated with uncontrolled MG and the importance of achieving sustained disease control. Further efforts are needed to optimize treatment strategies and refine clinical guidelines, ultimately paving the way for a more personalized approach to MG care

영어초록

Despite advances in treatment, uncontrolled myasthenia gravis (MG) remains a clinical challenge associated with increased mortality. This study aimed to evaluate the mortality risk in patients with uncontrolled MG compared with those with controlled MG. A retrospective cohort study was conducted using South Korea’s nationwide claims database between January 1, 2007, and February 28, 2023.
Patients newly diagnosed with MG between 2008 and 2020 were classified into uncontrolled MG (n=58) and controlled MG (n=9,486) groups based on the use of corticosteroid dose, non-steroidal immunosuppressants, and intravenous immunoglobulin/plasma exchange administration. We estimated hazard ratios (HR) and 95% confidence intervals (CI) of all-cause mortality using Cox proportional hazards models. The mortality risk was significantly higher in patients with uncontrolled MG compared to patients with controlled MG (incidence rates: 4.0 vs.
2.0 per 100 person-years, respectively; adjusted HR: 2.12, 95% CI: 1.19–3.76). Kaplan- Meier survival curves confirmed reduced survival probabilities in uncontrolled MG patients over time. Our study found the significant mortality burden associated with uncontrolled MG and the importance of achieving sustained disease control. Further efforts are needed to optimize treatment strategies and refine clinical guidelines, ultimately paving the way for a more personalized approach to MG care

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