Encephalitis is a major cause of morbidity, mortality, and permanent neurological disability in both adults and children. The term "encephalitis" literally means inflammation of part or all of the "brain" or the brain parenchyma. Encephalitis affects people of all ages; however, the incidence is higher in the pediatric population. Although both genders are affected, most studies showed slight dominance in men. There are two main types with different causes: primary or infectious encephalitis can develop when a fungus, virus, or bacteria infects the brain and accounts for approximately 70% of confirmed cases of encephalitis, and secondary or post-infectious encephalitis when the immune system is active and reacts. to a previous infection and mistakenly attacks the brain. The clinical manifestations depend on whether the brain parenchyma or the meninges are predominantly involved and cause an encephalitic or meningitis syndrome. Diagnostic tests should include a lumbar puncture, an MRI of the brain, and an EEG for suspected encephalitis. In encephalitis, a broad differential diagnosis, both infectious and non-infectious, should be considered. These alternatives include malignancy, autoimmune or paraneoplastic diseases (eg, anti-NMDA receptor encephalitis), brain abscess, drug-induced tuberculosis or delirium, neurosyphilis, or bacterial, fungal, protozoal, or helminthic encephalitis. Antiviral medications, such as intravenous acyclovir, are often given at the initial diagnosis of encephalitis before the cause is known. Acyclovir is the best treatment for herpes simplex encephalitis. If medication can be started soon after symptoms appear, the chance of a full recovery is much higher.
Complex regional pain syndrome (CRPS) is a neuropathic pain disease characterized by the presence of allodynia, hyperalgesia, sudomotor and vasomotor abnormalities, and trophic alterations. CRPS can be caused by a variety of degrees or types of tissue damage, but it has also been reported in the absence of injury or after lengthy periods of immobility. A fracture is the most prevalent injury linked to the development of CRPS. CRPS is thought to be caused by a complex process involving both the peripheral and central nerve systems, according to a recent acceptance. Patients with CRPS are said to have all of the symptoms of inflammation, including heat, discomfort, redness, and swelling. CRPS symptoms have been greatly reduced by corticosteroids in several clinical studies. The diagnosis of CRPS is mostly dependent on a patient's medical history and clinical examination, which includes a variety of tests that can help rule out other diseases. Given the syndrome's complexity, it's doubtful that focusing on a single mechanism will be successful. Combination therapy, like with other chronic conditions, may be the future of CRPS treatment. In this review we will be looking at disease definition, pathophysiology, and treatment.
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