Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound   Target Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound

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Query: UMLS:C0344232 (blurred vision)
2,072 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Susac's syndrome is a rare idiopathic microangiopathy affecting the precapillary arterioles of the brain, retina and cochlea leading to the clinical triad of encephalopathy, retinopathy and hearing loss. The objective of this study is to describe a new case of Susac's syndrome reactivated after a 12-year period with a good response to immunosuppressive therapy. The patient was a 32-year-old woman, complaining of diplopia, right blurred vision, progressive gait disturbance, tinnitus, attention deficit, and slight memory loss. The patient was diagnosed as having Susac's syndrome and discharged with steroid therapy. After a 12-year period of clinical stability she had a relapse. Immunosuppressive therapy resulted in significant clinical and radiological improvement. Early clinical identification of Susac's syndrome is crucial for the initiation of immunosuppressive therapy and differential diagnosis. In our case, the combined use of corticosteroids and azathioprine was key in the relapse management.
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PMID:Long-term clinical and radiological evolution in one case of Susac's syndrome. 2245 36

Posterior reversible encephalopathy syndrome (PRES) is a neurotoxic state accompanied by a unique brain imaging pattern. This cliniconeuroradiological entity usually presents with visual disturbances (cortical blindness, homonymous hemianopia, visual neglect, and blurred vision) along with neurotoxic manifestations. Only a few cases of PRES have previously been reported in patients with advanced HIV disease. The authors describe a case of posterior reversible encephalopathy syndrome (PRES) in a patient with advanced HIV/TBC infection who developed a neurotoxic state following TB and ART therapy initiation. They present a comprehensive review of the literature and discuss the pathogenetic hypotheses.
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PMID:Bilateral Visual Loss as Presenting Symptom of Posterior Reversible Encephalopathy Syndrome in a Patient with HIV/Tuberculosis Coinfection: A Case Report. 2324 37

Posterior reversible encephalopathy syndrome is a clinicoradiologic syndrome characterized by seizure, headache, nausea, vomiting, altered mental status, visual disturbance, or visual loss, together with radiologic findings. Herein we reported a patient who was a 27-year-old foreign workman brought to the emergency ward with blurred vision in both eyes, neck pain, somnolence, and altered mental status. He had no known medical or family history. On his physical examination, his blood pressure was 190/100 mmHg and visual acuity of both eyes was decreased (visual acuity = 20/40 for both eyes). Although blood pressure was controlled by intravenous labetalol bolus, his symptoms did not improve. The result of his brain computed tomographic scan was normal, but in the brain magnetic resonance imaging, there were hyperintensities in the occipital lobe and right cerebellar hemisphere, suggesting posterior reversible encephalopathy syndrome. The findings from a complete blood count, biochemical testing, and renal, pelvic and abdominal ultrasound and also the calculated glomerular filtration rate values revealed that all were in favor of chronic kidney disease (hemoglobin level, 10.3 mg/dL; blood urea nitrogen, 90 mg/dL; Cr, 6.8 mg/dL; potassium, 5 mEq/L; sodium, 140 mEq/L; Cockcroft-Gault glomerular filtration rate, 15; weight, 65 kg). The hemodialysis was performed by which the sign and symptoms and radiologic findings resolved within 24 hours. Although PRES is described to be in association with many medical conditions, as mentioned in many available articles, we came to a conclusion that PRES could be the first presentation of a condition such as chronic kidney disease in our case.
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PMID:Posterior reversible encephalopathy syndrome as the first presentation of chronic kidney disease. 2434 63

Neurological complications have rarely been described after blood transfusion. Posterior reversible encephalopathy syndrome (PRES) is a recently recognized entity affecting predominantly the posterior cerebral hemispheres. We report two distinctive cases with history of chronic anemia that developed headache, blurred vision and seizure after blood transfusion. Magnetic resonance imaging indicated vasogenic edema consistent with PRES.
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PMID:Blood transfusion-related posterior reversible encephalopathy syndrome. 2485 23

Pneumocephalus is a clinical condition caused by dysbarism, trauma, and iatrogenic causes. The most common iatrogenic causes of pneumocephalus are major interventions as a neurosurgery and cardiovascular operations, endoscopy, and minor interventions as a peripheral and central venous access. Especially during insertion of central venous line and intravenous drug and fluid infusion, the venous air embolism may occur in emergency department. In these patients, retrograde pneumocephalus occurs as a result of the air entering the right atrium to the brain. Clinical effects of the air delivery rates are known to be more specific than the total amount of air. In general, intravenous administration of 300 to 500 mL air in the speed of 100 mL/min is considered to be lethal. Large amounts of air embolism can cause hypotension and acute circulatory collapse with intracardiac obstruction. The most common symptoms of venous air embolism are anxiety, dyspnea, chest pain, cyanosis, tachycardia, tachypnea, headache, confusion, agitation, syncope, slurred speech, blurred vision, seizures, and ataxia. The mortality of pneumocephalus caused by central venous catheters in patients presented with symptoms of focal neurologic was 8%, whereas the mortality of pneumocephalus in patients presented with encephalopathy was 36%. In our report, a case of pneumocephalus secondary to disconnection of catheter cap in chronic renal failure patient who has hemodialysis via catheter has been presented.
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PMID:Retrograde cerebral air embolism. 2499 85

Posterior reversible encephalopathy syndrome (PRES) is a clinicoradiological entity, associated with a vast array of medical conditions and a variety of presenting symptoms. There is a characteristic pattern of radiographic features alongside suggestive clinical manifestations, which lead to a diagnosis of PRES. This report describes the case of a 39 years old, previously normotensive woman, who presented on day 7 postpartum with generalised tonic clonic seizures, reduced conscious level and a history of blurred vision and headache. She was treated immediately as eclamptic and transferred to the intensive care unit for stabilisation. Following an inconclusive CT result, an MRI was performed 2 days after presentation, which demonstrated white matter changes consistent with those found in PRES. She made a full recovery and a repeat MRI scan 7 weeks later showed no progression of the lesions noted on the original scan.
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PMID:Unusual presentation of PRES in the postnatal period. 2500 33

Heat stroke (HS) is a medical emergency characterized by increased core body temperature with associated systemic inflammatory response leading to a syndrome of multi-organ damage in which encephalopathy predominates. We describe a case of a 29 year old male recruit presenting with altered mental status during military training in Puerto Rico. Associated symptoms included high grade fever, dizziness, nausea, vomiting, blurred vision and profuse sweating followed by loss of consciousness. Upon arrival to medical evaluation the patient was found with dry skin and depressed Glasgow Coma Score. Initial laboratories, clinical evolution of symptoms and imaging studies were consistent with the diagnosis of HS. Patient was managed with mechanical ventilatory support, intravenous fluids and external cooling measures. He was later discharged home without any neurological sequelae. To our knowledge this is the first documented case of HS in Puerto Rico.
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PMID:A rare cause of altered mental status and fever in a young military recruit in Puerto Rico. 2556 39

Posterior reversible encephalopathy syndrome (PRES) is a cliniconeuroradiologic disorder affecting the brain's occipital and parietal lobes characterized by altered mental status, seizures, headache and blurred vision. Eclampsia is one of the main causes of posterior reversible encephalopathy. We aimed to discuss here literature guided clinical and radiologic findings of four women who had experienced status epilepticus at peripartum period and diagnosed as PRES.
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PMID:Posterior reversible encephalopathy syndrome during the peripartum period: report of four cases and review of the literature. 2593 85

Posterior reversible encephalopathy syndrome (PRES) is a rare neurologic side effect of calcineurin inhibitors (CNIs) with poorly understood clinical features.We report cases of 2 patients with PRES developing after kidney transplantation and summarize PRES clinical features through a literature review.The 1st case was a 28-year-old man who received a kidney transplant from a deceased donor. Initial immunosuppressive therapy consisted of tacrolimus/mycophenolate mofetil/prednisolone. He developed headache and blurred vision with visual field loss15 days after transplantation and generalized seizures 4 days later. The 2nd case was a 34-year-old man who received a living kidney transplant. His initial immunosuppressive therapy comprised tacrolimus/mycophenolate mofetil/prednisolone. Two months after transplantation, he developed seizures. Both patients were diagnosed with PRES based on neurological symptoms and magnetic resonance imaging (MRI) findings; they recovered after switching from tacrolimus to either a cyclosporine or a lower tacrolimus dose. CNI-associated PRES is an acute neurological syndrome with seizures, encephalopathy, visual abnormalities, headache, focal neurological deficits, and nausea/vomiting. It is always accompanied by hypertension. A fluid-attenuated inversion recovery signal MRI scan typically shows reversible subcortical white matter changes in the posterior cerebral hemisphere that usually occur within the 1st month after transplantation. CNI-associated PRES has a generally favorable prognosis with early diagnosis and prompt treatment including alternating or discontinuing CNIs and blood pressure control.CNI-associated PRES should be considered in patients exhibiting acute neurological symptoms after transplantation. Early diagnosis and immediate treatment are critical for a favorable prognosis.
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PMID:Calcineurin Inhibitors Associated Posterior Reversible Encephalopathy Syndrome in Solid Organ Transplantation: Report of 2 Cases and Literature Review. 2705 42

Posterior reversible encephalopathy syndrome (PRES) is a set of neurological symptoms including impaired consciousness, cognitive disorders, seizures, blurred vision, dizziness and headache. The symptoms are closely related to the location of pathological changes in the brain; bilateral occipitto-parietal region is most often affected. Both focal neurological symptoms and encephalopathy are usually transient. We present the case of 64-year-old woman with PRES. She suffered from many internal diseases and was admitted to the hospital due to impaired consciousness, speech disorders, balance disorders. Significant neurological deterioration was observed within several days from the onset. Differential diagnosis included stroke and viral neuroinfection (cytosis 23 cells /ul, protein level of 93 mg/dl); magnetic resonance examination revealed lesions typical for posterior reversible encephalopathy.After 6 weeks of hospitalization patient condition improved, but did not restore to the premorbid state. The patient was discharged with generalized cognitive impairment.
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PMID:Posterior reversible encephalopathy syndrome with neurological sequelae - a case report. 2713 27


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