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Query: UMLS:C0038454 (stroke)
 147,016 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 49-year-old man with meningeal cysticercosis presented with a pure motor hemiparesis. Computed tomography and magnetic resonance imaging showed a capsular infarction and a suprasellar cyst with surrounding arachnoiditis. Cerebrospinal fluid analysis confirmed the diagnosis as it showed positive immunologic reactions to cysticerci. This is the first reported case of pure motor hemiparesis due to a parasitic disease of the central nervous system.
Stroke 1988 Sep
PMID:Neurocysticercosis and pure motor hemiparesis. 341 14

Cysticercosis is the most common parasitic disease affecting the central nervous system. Stroke is a recognized complication of neurocysticercosis, occurring in 2 to 12% of cases, mostly in the form of small lacunar infarcts. We report a case of hemiparesis and aphasia in a 51-year-old Hispanic woman, which was secondary to complete occlusion of the left internal carotid and bilateral anterior cerebral arteries. Magnetic resonance imaging demonstrated the presence of enhancing subarachnoid material surrounding these occluded cerebral arteries, providing antemortem, noninvasive documentation of the inflammatory meningeal cysticercotic reaction that was presumably responsible for the occlusive arteritis causing the cerebral infarction. This represents the third reported case of internal carotid artery occlusion and the first reported case of anterior cerebral artery occlusion secondary to neurocysticercosis.
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PMID:Subarachnoid neurocysticercosis with occlusion of the major intracranial arteries: case report. 770 57

In China, health care delivery follows a three-tiered structure set up in the 1950s for rural and urban areas. In 1990, China set baseline criteria for primary health care in rural areas which is largely funded by a reestablished rural cooperative medical care financing system. Financing reform efforts in urban areas are using a model through which contributions are collected from salaries and from local governments and other public organizations. The overall incidence of infectious diseases is more than 500/100,000 people, but associated mortality has declined. Diseases covered by the Expanded Programme of Immunology have been controlled, but China is at high risk for viral hepatitis (epidemics of hepatitis A infections occurred in 1988), and incidence of tuberculosis has increased. In addition, the HIV/AIDS epidemic is spreading rapidly with an estimated 50,000-100,000 infected. Parasitic diseases are also widespread, and causes of death seen in developed countries (hypertension, stroke, coronary health disease, cancer, and diabetes) are increasing. With 510 million people living in iodine-deficient areas, iodine deficiency diseases have disabled an estimated 8 million people. China has promised to eradicate iodine-deficiency by the year 2000. The disabling Kaschin-Beck disease is also endemic in China. Occupational diseases threaten nearly 20 million Chinese people, and the prevalence of smoking and alcohol abuse is increasing, especially among young people. By the year 2000, 10% of the population will be older than 60, and 30% of this group will have health problems requiring care. The health care system is, thus, undergoing rapid change to meet its new challenges.
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PMID:Health care delivery system and major health issues in China. 898 46

Malaria is a parasitic disease with high prevalence in several regions of the world. Infestation by Plasmodium faciparum can, in some cases, affect the central nervous system producing encephalitis resulting in death or neurological sequelae. The mechanisms involved in the pathophysiology of the cerebral lesion are not totally clear and there are currently two theories (mechanical and humoral) concerning this. We report a case of malaria with an atypical evolution, with a stroke lesion in the territory of the middle cerebral artery, with no association with encephalitis. We conclude that the mechanical theory is the one applicable to this patient.
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PMID:Malaria and stroke. Case report. 1068 97

Neurocysticercosis is the most common parasitic disease of the central nervous system. Praziquantel and albendazole, the two antiparasitic drugs, have been reported to be effective against cysticercosis. Both the drugs effectively destroy the cerebral parenchymal cystic lesions. However, albendazole is possibly more effective in subarachnoidal, ventricular and spinal forms of cysticercosis, and frequently obviates the need for surgery. Initially, longer courses of albendazole and praziquantel had been advocated. Now even shorter treatment regimens are found equally effective. Complete course of praziquantel therapy can be administered in a single day with comparable efficacy instead of conventional treatment of 15 days. Similarly, one week therapy of albendazole is as effective as 30 days' treatment regimen. Recently, there is an intense debate whether anticysticercal treatment is useful and safe. Opponents of anticysticercal therapy argue that effectiveness of therapy is possibly a reflection of natural course of the disease. It has been observed that even if cysticercal lesions are left untreated, they either disappear spontaneously or calcify. Anticysticercal therapy is potentially risky, it may aggravate cerebral oedema, and may produce vasculitis and stroke, and several deaths have also been reported. To minimise these risks, concomitant corticosteroids should be administered especially, if there is a massive parasitic load. It is better to avoid anticysticercal treatment in patients with cysticercotic encephalitis. Doubts have been expressed that anticysticercal therapy really affects ultimate long-term clinical outcomes (e.g. control of seizure and possibility of seizure free state after discontinuation of antiepileptic drugs). So far, definite evidences in this regard, based on finding of well planned placebo-controlled studies, are lacking and an opinion that, there is an urgent need for such a study, has been expressed. Measures for effective prevention like provision for safe drinking water and safe excreta disposal should be emphasisfxed.
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PMID:Medical management of neurocysticercosis. 1179 3

Stroke is the first cause of disability in adults worldwide. Central nervous system infections as a cause of stroke are not uncommon. The common central nervous system infections associated with stroke can be categorised into viral, bacterial, parasitic and of fungal origin. In HIV infection, central nervous system involvement is a major reason for hospitalisation and morbidity. Varicella-zoster virus encephalitis is uncommon and neurological features are protean. Japanese encephalitis is the most common cause of endemic encephalitis in humans. Viral haemorrhagic diseases are common in the tropics with epidemic outbreak. Central nervous system tuberculosis is the most severe form of extrapulmonary tuberculosis. Neurocysticercosis is the commonest parasitic disease affecting the central nervous system. Central malaria is the most important parasitic disease of humans with high prevalence in many regions of world including India. Neurological involvement in leptospirosis can be meningitis, aseptic encephalitis, inflammatory myelopathy and radiculopathy. Fungal infections involve central nervous system through cryptococcus, aspergillosis, histoplasmosis and mucormycoses.
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PMID:Stroke and central nervous system infections. 1988 75

American trypanosomiasis is a parasitic disease caused by the flagellate protozoan Trypanosoma cruzi. Chagas disease is endemic in Latin America, where an estimated 10-14 million people are infected, and an emerging disease in Europe and the USA. Trypanosoma cruzi is transmitted by blood-sucking bugs of the family Reduviidae. Rhodnius prolixus, Panstrongylus megistus, Triatoma infestans, and T. dimidiata are the main vectors in the sylvatic cycle. Non vector-borne transmission includes blood transfusion, congenital and oral transmission, transplantation, and accidental infections. Most cases of acute infection occur in childhood and are usually asymptomatic, although severe myocarditis and meningoencephalitis may occur. Approximately 30% of T. cruzi-infected people will develop the chronic stage of the disease. Chronic chagasic cardiomyopathy is characterized by progressive heart failure, arrhythmias, intraventricular conduction defects, sudden death, and peripheral thromboembolism. Acute exacerbation can occur in individuals with involvement of cellular immunity such as advanced AIDS (acquired immunodeficiency syndrome), and transplant-associated immunosuppression. Neurological involvement may present with encephalitis, meningoencephalitis, or a space-occupying cerebral lesion called chagoma. Chagas disease is a major cause of ischemic stroke in Latin America. Several epidemiological studies have found an association between T. cruzi infection and cardioembolic ischemic stroke. Benznidazole and nifurtimox are the two available trypanocide drugs against T. cruzi.
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PMID:American trypanosomiasis. 2382 3

Chagas disease is a parasitic disease caused by the protozoan Trypanosoma cruzi. In endemic areas (South and Central America), Chagas disease represents a relevant public health issue, and is the most frequent cause of cardiomyopathy. In nonendemic areas, such as Europe, Chagas disease represents an emerging problem following the establishment of sizeable communities from Brazil and Bolivia. Chagas cardiomyopathy represents the most frequent and serious complication of chronic Chagas disease, affecting about 20-30% of patients, potentially leading to heart failure, arrhythmias, thromboembolism, stroke and sudden death. Because late complications of Chagas disease may develop several years or even decades after the acute infection, it may be extremely challenging to reach the correct diagnosis in patients long removed from the countries of origin. We report two examples of Chagas cardiomyopathy in South American women permanently residing in Italy for more than 20 years, presenting with cardiac manifestations ranging from left ventricular dysfunction and heart failure to isolated ventricular arrhythmias. The present review emphasizes that Chagas disease should be considered as a potential diagnosis in patients from endemic areas presenting with 'idiopathic' cardiac manifestations, even when long removed from their country of origin, with potential implications for treatment and control of Chagas disease transmission.
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PMID:Chagas disease as a cause of heart failure and ventricular arrhythmias in patients long removed from endemic areas: an emerging problem in Europe. 2502 23

Neurocysticercosis is the most common parasitic disease affecting the human central nervous system, with protean clinical manifestations. During the last 17 years, 153 cases of neurocysticercosis were histopathologically diagnosed on surgically resected and autopsied material. Variable number of cysts, from a solitary one to multiple were found invading different parts of the neuraxis (118 cases). These cestode larval forms had a prediliction for locating in the cerebral grey matter (98 cases), followed by subcortical nuclear area (12), cerebral ventricles and subarachnoid cisterns (26 cases). Patients harbouring parenchymal cysts manifested predominantly with seizures and encephalitis (113 cases) whereas those with ventricular and/or cisternal cysts presented with features of chronic meningitis and hydrocephalus. The unusual clinical presentations were psychiatric symptoms with behavioural abnormalities and stroke in the young as a result of cysticercal meningitis with associated arteritis. Primary cysticercal abscess in the brain parenchyma was an interesting pathological feature noted in 3 cases. In the endemic areas, the co-existence of neurocysticercosis appears to enhance the morbidity and mortality due to Japanese encephalitis (31 cases). The surface glycoprotein of the cysticercal cyst has been identified to be the antigenic component to which the host immune system responds by forming antibody in the CSF.
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PMID:NEUROCYSTICERCOSIS - A CLINICOPATHOLOGICAL APPRAISAL. 2877 2

Paragonimiasis is a food-borne parasitic disease caused by Paragonimus lung flukes, which are epidemic in Asia. Cerebral paragonimiasis accounts for <1% of symptomatic paragonimiasis but is the most common extrapulmonary infection. Cerebral paragonimiasis often mimics stroke and sometimes causes severe neurological sequelae. A 61-year-old woman was admitted to the hospital for severe headache. A head computed tomography scan revealed intracerebral hemorrhage with subarachnoid hemorrhage. The patient also had lesions in the lungs. She frequently ate Japanese mitten crab. Peripheral blood examination results of increased eosinophilia and immunological testing results confirmed the diagnosis of Paragonimus westermani infection. The patient was successfully treated with praziquantel as the first-line agent. Cerebral paragonimiasis is currently rare in developed countries; however, it is an important disease to consider.
J Stroke Cerebrovasc Dis 2018 Oct
PMID:Cerebral Paragonimiasis With Hemorrhagic Stroke in a Developed Country. 3003 86


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