Publications by authors named "Jahir Miranda Acuna"

Article Synopsis
  • The prevalence of multiple sclerosis (MS) in Colombia is not well-documented, with a noted lack of accurate epidemiological data despite improvements in diagnosis and treatment accessibility for patients.
  • There are challenges in understanding MS prevalence due to potential ethnic diversity factors, but no strong evidence currently supports this idea.
  • MS is classified as an orphan disease in Colombia, which complicates comprehensive care, highlighting the need for more research to identify risk factors and enhance treatment options for patients.
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Unlabelled: Fibrinogen is a protein that plays a key role in blood coagulation and thrombosis and it is involved in several inflammatory processes; in multiple sclerosis (MS) may be related with blood-brain barrier (BBB) disruption. We analysed the relationship between plasma fibrinogen levels and the presence of active lesions on magnetic resonance imaging (MRI) during relapses of multiple sclerosis (MS) and clinically isolated syndrome (CIS) patients.

Methods: We collected data of patients admitted to a tertiary-care hospital with relapse of MS and CIS from 2008 to 2013 and we analysed the relation between plasma fibrinogen levels (normal: 200mg/dl-417mg/dl) and the presence of active lesions on brain or spinal MRI.

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Hepatotoxicity is a rare adverse event of methylprednisolone that should be considered in clinical practice. In patients at risk, we propose liver function surveillance, by measuring hepatic enzymes concentration 15-30 days after methylprednisolone administration. Additionally, we propose ACTH, dexamethasone, or plasma exchange as alternate treatment options for these patients.

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Background: Natalizumab (NTZ) is an effective therapy for multiple sclerosis (MS). A common concern related to NTZ therapy is the risk of developing progressive multifocal leukoencephalopathy (PML).

Clinical Case: A patient that after seven years on NTZ therapy, testing on every 3 months repeated evaluations negative for anti-JCV status became positive (>3 units) 4 weeks after receiving influenza vaccine.

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Palatal tremor (PT) is a rare movement disorder that involves pharynx, tongue, and other facial muscles. Symptomatic PT is due to lesions on the dentate-rubro-olivary pathways. We present an illustrative case of PT due to degenerative olivary hypertrophy after ependymoma surgery.

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