Coexistence of Pernicious Anemia and Myasthenia Gravis Presenting As Dyspnea

Khademolhosseini, Sara; Springsted, Elspeth; Pourshahid, Seyedmohammad; Giri, Badri

doi:10.7759/cureus.15295

Cureus

2021

DOI: 10.7759/cureus.15295

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Coexistence of Pernicious Anemia and Myasthenia Gravis Presenting As Dyspnea

Sara Khademolhosseini¹,

Elspeth Springsted²,

Seyedmohammad Pourshahid³

et al.

Abstract: Dyspnea is a common symptom and may be due to a multitude of conditions, including cardiopulmonary insufficiency, anemia, neuromuscular disorders, obesity, or deconditioning. It is not uncommon that more than one process contributes to shortness of breath. Here, we present a patient with a complaint of worsening shortness of breath who was found to have two very rare causes of dyspnea simultaneously. The symptoms resolved with treatment of pernicious anemia and myasthenia gravis (MG). The coexistence of pernic… Show more

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2022

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Serum 25-hydroxy vitamin D, vitamin B12 and folic acid levels in myasthenic crisis

Yevgi

Baydar

2022

Anatolian Current Medical Journal

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Aim: Myasthenia gravis (MG) is an autoimmune disease often caused by autoantibodies against postsynaptic acetylcholine receptors (AChR). It is known that vitamin D (VD), vitamin B12 and folic acid have some effects on the immune system. The aim of this study is to evaluate whether there is a difference in serum VD, vitamin B12 and folic acid levels in MG patients during the myasthenic crisis period compared to the non-crisis period. Material and Method: 32 patients followed up with the diagnosis of MG in Atatürk University Faculty of Medicine, Department of Neurology were included in the study. Serum 25(OH)D, vitamin B12 and folic acid levels were measured by taking blood from the antecubital vein in two different time periods, during the myasthenic crisis and during the non-crisis period, and periods were compared among themselves. Results: During the myasthenic crisis period, 25(OH)D level was 11.54 (1.08-50.33) ng/mL, vitamin B12 level was 299.5 (104-964) pg/mL, and folic acid level was 9.54±5.08 ng/mL. In the non-crisis period, 25(OH)D level was 18.74 (6.63-30.19) ng/ mL, vitamin B12 level was 266 (119-678) pg/mL and folic acid level is 10.26±3.5 ng/mL. During the myasthenic crisis period, 25(OH)D vitamin levels of the patients were statistically significantly lower than the non-crisis period (p<0.05). There was no difference between the two periods in terms of vitamin B12 and folic acid (p>0.05). Conclusion:Low VD levels can be a facilitating factor in worsening myasthenic symptoms and entering myasthenic crisis. The use of VD supplements in MG patients with low VD levels may be beneficial in terms of protection from myasthenic crisis. Despite the limitations of our study, such as the small number of patients and the fact that 25(OH)D levels were not adjusted for seasonal effects, this study is the first study showing that VD levels are lower in the myasthenic crisis period than in the non-crisis period.

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Serum 25-hydroxy vitamin D, vitamin B12 and folic acid levels in myasthenic crisis

Yevgi

Baydar

2022

Anatolian Current Medical Journal

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Coexistence of Pernicious Anemia and Myasthenia Gravis Presenting As Dyspnea

Cited by 1 publication

References 13 publications

Serum 25-hydroxy vitamin D, vitamin B12 and folic acid levels in myasthenic crisis

Serum 25-hydroxy vitamin D, vitamin B12 and folic acid levels in myasthenic crisis

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