Medical principles and practice : international journal of the Kuwait University, Health Science Centre · 2025
Clinical Features, Diagnostic Implications, and Outcomes of Amyotrophic Lateral Sclerosis and Myasthenia Gravis Overlap Syndrome: A Systematic Review.
СтатьяСистематический обзорНазвание и аннотация: Перевод пока не подготовлен
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Nashwan Abdulqadir Jeprel, Hawas Yousef, Hamad Abdullah Ashraf, Meshref Mostafa, Elbehary Mohamed, Mohamed Rashad G, Elshahat Ahmed, Mabrouk Manar Alaa, Nashwan Abdulqadir J, Fouda Basem Hamdy
Аннотация
UNLABELLED: <p>Objective: This review aimed to summarize the current evidence of reported myasthenia gravis (MG) and amyotrophic lateral sclerosis (ALS) overlap syndrome regarding clinical and laboratory features, diagnostic implications, management, outcomes, and comorbid conditions to raise awareness among healthcare providers and aid in proper care provision.
METHODS: Recently, a few cases of an unusual association between both diseases have been reported. PubMed, Scopus, and Web of Science were searched from inception until May 2024 to identify eligible studies. After the screening and data extraction, 20 studies with 42 cases suffering from ALS and MG were included.
RESULTS: Forty-two cases were categorized into four groups as follows: the first group had 26 cases with MG onset (age range 26-82 years) preceding ALS (age range 46-83 years). The second group had 9 cases with ALS onset (age range 34-89 years) preceding MG (age range 40-89 years). The third group comprised 5 cases of ALS with positive acetylcholine receptor antibodies but without clinical manifestations of MG. The fourth group involved 2 cases of ALS with initial ocular symptoms that were unresponsive to MG treatments.
CONCLUSION: The onset of new ptosis or diplopia in ALS patients should prompt clinicians to consider the possibility of a coexisting condition or alternative diagnosis. Additionally, positive acetylcholine receptor antibodies alone are insufficient to diagnose MG if ALS coexists. In patients with ALS, repetitive nerve stimulation tests may be less sensitive for detecting MG. Thus, diagnosing MG in ALS patients should rely on clinical presentation and response to empirical treatment. </p>.
METHODS: Recently, a few cases of an unusual association between both diseases have been reported. PubMed, Scopus, and Web of Science were searched from inception until May 2024 to identify eligible studies. After the screening and data extraction, 20 studies with 42 cases suffering from ALS and MG were included.
RESULTS: Forty-two cases were categorized into four groups as follows: the first group had 26 cases with MG onset (age range 26-82 years) preceding ALS (age range 46-83 years). The second group had 9 cases with ALS onset (age range 34-89 years) preceding MG (age range 40-89 years). The third group comprised 5 cases of ALS with positive acetylcholine receptor antibodies but without clinical manifestations of MG. The fourth group involved 2 cases of ALS with initial ocular symptoms that were unresponsive to MG treatments.
CONCLUSION: The onset of new ptosis or diplopia in ALS patients should prompt clinicians to consider the possibility of a coexisting condition or alternative diagnosis. Additionally, positive acetylcholine receptor antibodies alone are insufficient to diagnose MG if ALS coexists. In patients with ALS, repetitive nerve stimulation tests may be less sensitive for detecting MG. Thus, diagnosing MG in ALS patients should rely on clinical presentation and response to empirical treatment. </p>.