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Query: UMLS:C0085584 (encephalopathy)
 18,178 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The changes of cytokinis status and C-reactive protein were evaluated in cerebrospinal fluid of 50 patients in the acute period of ischemic hemispheric stroke with consideration of influence of the remote consequences of the ischemia, established experimentally, on the mechanisms of cerebral infarction development as well as on the progression of both atherogenesis and vascular encephalopathy in the period after the stroke. Significance both of a surplus releasing of the proinflammatory cytokines and deficiency of the protective antiinflammatory and trophotropic factors in the development of an inflammatory response was established. Immunobiochemical criteria were proposed for grading of process for stroke course prediction and for recovery of the altered neurologic functions. More favourable prognosis was anticipated in the patients in which a the treatment started within of the "therapeutic window".
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PMID:[Clinico-immunobiochemical monitoring of factors of focal inflammation in the acute period of hemispheric ischemic stroke]. 1035 15

From September 1997 to March 2002, a total of 84 children were admitted to Chang Gung Children's Hospital due to influenza A virus infection. Influenza A virus infection was documented in 61 cases by viral isolation from throat and in 23 cases by serologic studies. The mean age of patients was 43.8 months, ranging from 20 days to 16 years. Forty-one (49%) patients were male. Lower respiratory tract infection (53 of 84 cases) was the most common clinical manifestation, occurring predominantly in children younger than 5 years (49 of 53 cases). The types of lower respiratory tract infection included bronchiolitis/bronchopneumonia in 33 cases, pneumonia in 17, and croup in 3. Central nervous system dysfunction was noted in 26 patients, predominantly in older children (18 of 26 cases). This included encephalopathy in 11 cases, encephalitis in 10, aseptic meningitis in 2, psychosis in 1, febrile convulsions in 1, and acute disseminated encephalomyelitis in 1. Gastrointestinal symptoms were mild in most patients. Diarrhea occurred in 18.4% of the children younger than 5 years, compared with only 8.4% of the older children. By contrast, abdominal pain was more common in older children (16.7%) than in younger children (6.7%). Ten children had leukocytosis (white blood cell > or = 15000 /microL) and 9 of them were younger than 5 years. Eleven children had a C-reactive protein level greater than 100 mg/L and 10 of them were younger than 5 years. The mean duration of fever and hospitalization were 4.6 +/- 2.8 days and 7.4 +/- 5.7 days, respectively. The clinical outcomes were excellent in all but 1 patient who died from intractable pulmonary hemorrhage. The frequency and duration of hospitalization due to influenza A virus is much greater than generally thought in Taiwan, suggesting an urgent need for educational programs to increase awareness of the characteristics and risks for this illness.
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PMID:Clinical characteristics of children with influenza A virus infection requiring hospitalization. 1288 62

To clarify the laboratory characteristics and deduce the pathogenesis of acute encephalopathy associated with multiple organ dysfunctions in Japan. We measured cytokine levels [tumor necrosis factor alpha (TNF-alpha), soluble tumor necrosis factor-receptor 1 (sTNF-R1), and interleukin-6 (IL-6)] in serum and cerebrospinal fluid (CSF) as well as general laboratory examinations in 27 patients with acute encephalopathy. Urea nitrogen (UN), creatinine (Cr), aspartate aminotransferase (AST), lactic dehydrogenase (LDH), and C-reactive protein (CRP) levels in blood, and CSF protein levels at the initial stage were significantly higher in patients with an unfavorable outcome. TNF-alpha, sTNF-R1, and IL-6 levels at the initial stage were higher in the serum than in the CSF of patients with acute encephalopathy. Serum cytokine levels correlated well with patient outcome. The high CSF protein level and the high UN, Cr, AST, LDH, and CRP levels in the blood represent the severity of vascular leakage through the blood-brain barrier and multiple organ dysfunctions, respectively, and thus suggest an unfavorable prognosis. The high serum inflammatory cytokine levels at the initial stage and the good correlation of those levels with the outcome suggest that intravascular inflammation has a significant role in vascular leakage and multiple organ dysfunctions in acute encephalopathy.
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PMID:Laboratory characteristics of acute encephalopathy with multiple organ dysfunctions. 1619 4

The aim of this study was to assess the validity of serum and CSF oxidative status of patients with IE in their initial stage through the d-ROM (Diacron-Reactive Oxygen Metabolites, Italy) test, compared to those with other neurological diseases. The study was conducted on the following four groups: (1) influenza virus-associated encephalopathy (IE, n = 8), including four patients showing neurological sequelae or mortal; (2) influenza virus-associated febrile seizures (IFS, n = 11); (3) febrile convulsion (FC, n = 10): (4) enterovirus-associated encephalopathy (EE, n = 4), including one patient with neurological sequelae. The CSF d-ROM levels in the IE group were significantly higher than those in the IFS and the FC groups but not in the EE group. In addition, general laboratory findings such as leukocytes, platelets, C-reactive protein, aspartate aminotransferase, creatinine, creatinine kinase and LDH, including interleukin-6 (IL-6), were analyzed in each group. The CSF d-ROM levels in the IE group were significantly higher than those in the IFS and FC groups but not in the EE group. As for the serum d-ROM levels and general laboratory findings, with the exception of CSF IL-6 levels in IE, no significant differences were detected compared with the other groups. In patients with IE, the CSF d-ROM levels could be a valid predictive biomarker of the severity, and oxidative stress may be related to the pathogenesis of IE.
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PMID:Diagnostic and predictive value of CSF d-ROM level in influenza virus-associated encephalopathy. 1641 81

Enterohemorrhagic Escherichia coli (EHEC) induces hemorrhagic colitis and hemolytic uremic syndrome (HUS). Morbidity and mortality are increased in HUS patients with neurologic complications. To determine the pathogenesis of the central nervous system (CNS) involvement in HUS by EHEC, we determined the serum concentrations of interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-alpha), soluble TNF receptor 1 (sTNFR1), IL-10, interferon-gamma (IFN-gamma), IL-2, IL-4, soluble E-selectin (sE-selectin), matrix metalloproteinase-9 (MMP-9), and tissue inhibitor of metalloproteinase-1 (TIMP-1) during the acute stage in children with HUS with or without CNS involvement. Serum concentrations of IL-6, IL-10, sTNFR1, sE-selectin, MMP-9, and TIMP-1, but not TNF-alpha, IFN-gamma, IL-2, or IL-4, were significantly higher in patients with HUS with encephalopathy compared with controls. Serum IL-6, sTNFR1 and TIMP-1 concentrations were significantly higher in patients with HUS with encephalopathy compared with those with HUS without encephalopathy (P=0.031, P=0.005, and P=0.007, respectively) and those with acute colitis without HUS (P=0.011, P<0.001, and P=0.005, respectively). There were no significant differences in hemoglobin, platelet counts, leukocyte counts, or serum concentrations of IL-10, sE-selectin, MMP-9, aspartate aminotransferase, lactate dehydrogenase, blood urea nitrogen, creatinine, or C-reactive protein between the HUS patients with and without encephalopathy. Our preliminary study suggests that serum IL-6, sTNFR1 and TIMP-1 levels, particularly sTNFR1 and TIMP-1, are important for predicting neurological complications in patients with HUS.
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PMID:Soluble tumor necrosis factor receptor 1 and tissue inhibitor of metalloproteinase-1 in hemolytic uremic syndrome with encephalopathy. 1841 Sep 71

Legionnaires' disease is a common cause of non-zoonotic atypical community-acquired pneumonia (CAP). Legionnaires' disease has varied manifestations but may be diagnosed clinically on the basis of its characteristic pattern of extra-organ involvement. In a patient with non-zoonotic CAP, the clinical and laboratory features in a patient with CAP pointing to the diagnosis of Legionnaires' disease include relative bradycardia, mental confusion/ encephalopathy, loose stools/diarrhea, abdominal pain, mild/transient increases in serum transaminases, decreased serum phosphorous, a highly elevated C-reactive protein (CRP), elevated creatinine phosphokinase (CPK), highly elevated serum ferritin levels, or microscopic hematuria. The radiologic manifestations of Legionnaires' disease are varied and no radiographic appearance is pathopneumonic. Patchy infiltrates in Legionnaires' disease are symmetrical and rapidly progressive even on appropriate anti-Legionella antimicrobial therapy. Spontaneous unilateral pneumothorax is a rare radiographic manifestation of Legionnaires' disease. We present a case of a young male who is presenting clinical finding was that of spontaneous bilateral pneumothoraces due to Legionella CAP. We believe this is the first reported case of Legionnaires' disease presenting as spontaneous bilateral pneumothoraces. Clinicians should be aware of the protean radiological manifestations of Legionnaires' disease. In patients presenting with CAP and unilateral or bilateral spontaneous pneumothorax, clinicians should have Legionnaires' disease in the differential diagnosis.
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PMID:Legionella community-acquired pneumonia (CAP) presenting with spontaneous bilateral pneumothoraces. 1848 36

We report a 62-year-old woman with intravascular lymphomatosis (IVL) which presented as subacute encephalopathy. She was admitted to our hospital because of loss of consciousness in the middle of February, 2006. Laboratory tests indicated elevated serum C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), and cerebrospinal fluid protein. Magnetic resonance imaging (MRI) of the brain revealed multiple infarct-like lesions mainly in the white matter. After admission, her consciousness was soon improved, but the inflammatory response did not disappear with any antibiotics or virucides. Her consciousness was not exacerbated, and she was discharged in the middle of March, although the reason for loss of consciousness remained unknown. After discharge she developed an abnormal behavior and mental deterioration, and therefore she was readmitted late in March. On second admission, her consciousness was drowsy. Neurological examinations revealed conjugate deviation of her eyes to the left, left hemiparesis, and generalized hyporeflexia. Laboratory tests showed more elevated CRP than that of the last time, and raised soluble IL-2 receptor (sIL-2R). The repeated MRI of the brain disclosed that initial lesions of the white matter progressively enlarged and increased in number. To make an appropriate diagnosis of the lesions on the brain MRI, the open brain biopsy was performed. Microscopic examination showed that many small vessels were occluded by lymphoma cells (B-lymphocytes) with hemorrhage, and IVL was diagnosed. She was treated with regimens of combined chemotherapy with R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisolone). After chemotherapy her consciousness and left hemiparesis were gradually improved and the levels of CRP were normalized. The infarcts-like lesions detected on the brain MRI became reduced and decreased. IVL is a rare disease, and the prognosis is generally poor, with a rapidly fatal outcome, leading to a postmortem diagnosis. In the present report, we successfully treated the patient by rituximab in addition to standard CHOP therapy. Rituximab may play an important role in the treatment of IVL.
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PMID:[Intravascular lymphomatosis manifesting clinically as subacute encephalopathy]. 1854 Mar 79

Both isolated angiitis of the central nervous system (IAN) and bacterial endocarditis (BE) may present with similar clinical and auxiliary findings. The differentiation is extremely important because of the different treatment regimens. We compared the findings of six patients with biopsy-proven IAN with the data of six patients with BE. Patients with IAN were younger (27-62 years) and presented with multiple strokes (n = 4), intracerebral hemorrhage (n = 1), epileptic seizures (n = 2), or encephalopathy (n = 1). All IAN patients had pathologic cerebrospinal fluid (CSF) findings (pleocytosis n = 5; protein elevation n = 4), and angiography revealed multilocular stenoses in two cases while digital subtraction angiography was normal in four. BE patients (32-77 years) presented multiple (n = 3) or single ischemic strokes (n = 2) or encephalopathy and headache (n = 2). While all patients showed inflammatory serum findings (C-reactive protein n = 6, leucocytosis n = 4), CSF-pleocytosis was present in two cases only. Angiography revealed a vasculitic pattern in two patients. The diagnosis of BE was established based on transesophageal echocardiography and blood cultures. Leptomeningeal and brain biopsies performed in two cases were normal. Both IAN and BE may present multiple strokes and encephalopathy. The frequency of a vasculitic pattern in angiography is similar in both conditions. While inflammatory serum findings are the rule in BE, pathologic CSF findings were present in all IAN patients. Transesophageal echocardiography and blood cultures should be performed in order to diagnose or exclude BE. Without brain biopsy, immunosuppressive therapy may be dangerous in suspected IAN.
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PMID:Isolated angiitis of the CNS and bacterial endocarditis: similarities and differences. 1936 37

In utero exposure to infection or inflammation is a strong and independent predictor of cerebral palsy. Using a rat model of neonatal hypoxic-ischemic (HI) encephalopathy, we investigated the hypothesis that C-reactive protein (CRP), which is not specific for infection, aggravates vulnerability of the immature brain to HI. Seven-day-old rats were divided into human CRP treated and control groups. After injection of each solution, they underwent left common carotid artery ligation and exposure to 8% hypoxia for 40 minutes. Human CRP, rat CRP, and interleukin 6 (IL-6) concentrations in serum were measured by enzyme-linked immunosorbent assay 30 to 60 minutes after injection of each solution. Four days later, microtubule-associated protein 2 (MAP-2) immunostaining was used to examine the brains for neuronal damage. Human CRP treatment significantly reduced the MAP-2 positive area ratio, compared with control group ( P < .05), suggesting that human CRP-enhanced susceptibility to HI-induced brain damage. Mean serum human CRP concentration in the human CRP group was 1823 +/- 520 ng/mL (range: 365-3964 ng/mL). Interleukin 6 concentrations in serum were moderately elevated in both groups, without significant differences, and rat CRP concentrations were within normal range. C-reactive protein makes the immature brain susceptible to HI insult, even if the insult causes little or no injury by itself.
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PMID:Human C-reactive protein enhances vulnerability of immature rats to hypoxic-ischemic brain damage: a preliminary study. 2022 Jan 10

According to increasing evidence, hypothermia can significantly improve outcomes in term neonates manifesting asphyxic insult and hypoxic-ischemic encephalopathy. Oxidative stress plays a key role in hypoxic-ischemic and inflammatory brain injuries. We investigated the impact of hypothermia on oxidative stress in babies with hypoxic-ischemic encephalopathy. Term infants were randomly selected for treatment with moderate whole body hypothermia or standard care on normothermia, after perinatal asphyxia. Total hydroperoxides as biochemical markers of oxidative stress, and C-reactive protein as a marker of inflammation, were assayed in blood samples drown at 6, 12, 24, 48, and 72 postnatal hours. In both hypothermic and normothermic groups, total hydroperoxides and C-reactive protein exhibited a continuous increase in the first days after birth. Nevertheless, a tendency was evident for slower and smaller elevations of total hydroperoxides and C-reactive protein in hypothermic compared with normothermic infants. A significant correlation was observed between total hydroperoxides and C-reactive protein in all patients, indicating an association between inflammation and oxidative stress during asphyxia. The slower increase and lower peaks of total hydroperoxides in the hypothermic group support the hypothesis that postasphyxic oxidative stress may be reduced by hypothermia.
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PMID:Whole body hypothermia and oxidative stress in babies with hypoxic-ischemic brain injury. 2083


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