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Query: UMLS:C0024312 (lymphopenia)
 4,859 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The clinical files were reviewed of eight pediatric patients who died between 1976 and 1990, having the pathological diagnosis of aspergillosis. During the clinical evolution seven displayed malnutrition and respiratory symptomatology, four had slow evolving fever and oral candidiasis. The image in all the chest X-Rays was opaque. In the laboratory four had leukopenia, lymphopenia and neutropenia: two with a positive culture of Aspergillus. Five received four to eight different antibiotics during the last clinical evolution. All showed a combination of diverse forms of aspergillosis, all with the invasive form, five with the disseminated form, three bronchopulmonary allergic and one with aspergilloma. All had invasion of the respiratory system. Septicemia had the cause of death in four and three was direct relation with Aspergillosis.
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PMID:[Pulmonary aspergillosis. Report of 8 children]. 858 74

Cardiac tamponade secondary to systemic lupus erythematosus is rare and has a very serious prognosis. The authors report a case of cardiac tamponade confirmed by echocardiography, which constituted the presenting sign of systemic lupus erythematosus in a 20-year-old patient, who required emergency pericardial aspiration. The diagnosis of systemic lupus erythematosus was established on the basis of the combination of pericardial involvement, non-erosive arthritis, leukopenia with lymphopenia, presence of LE cells and anti-native DNA antibodies and positive antinuclear antibody titre of 1/2560. The clinical course was favourable in response to 3 months of corticosteroid treatment. The possibility of SLE should be considered in any case of cardiac tamponade in a young patient in which the aetiology is not explained.
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PMID:[Cardiac tamponade disclosing systemic lupus erythematosus]. 873 38

An inactivated canine distemper vaccine with adjuvant and a modified-live virus (MLV) vaccine were evaluated using black-footed ferret (Mustegla nigripes) x Siberian polecat (Mustela eversmanni) hybrids us surrogates for endangered black-footed ferrets. For comparative purposes, we also vaccinated domestic ferrets (Mustela putorius furo) with the MLV vaccine. Response to vaccination was measured by clinical observation, hematology, dynamics of serum virus neutralizing antibodies, and challenge with virulent canine distemper virus. No clinical signs attributable to the vaccines were observed. Transient leukopenia occurred in hybrid ferrets that received MLV vaccine and there was marked lymphopenia for approximately 52 days post-vaccination. Lymphopenia was present for approximately 21 days in domestic ferrets vaccinated with MLV vaccine. Neutralizing antibodies against canine distemper virus were detected 14 days post-vaccination in hybrids receiving MLV vaccine and most titers were > 1:1024 for the 791 days of the study. Antibody titers in hybrids vaccinated with the inactivated vaccine were significantly lower. All eight hybrid ferrets that received MLV vaccine survived challenge with virulent canine distemper virus without clinical disease. However, one of seven hybrids vaccinated with the inactivated vaccine developed canine distemper and was euthanized; two other hybrids became clinically ill but survived. The MLV vaccine may be useful in prevention of canine distemper in black-footed ferrets, but until additional studies of efficacy and safety are completed, use of the inactivated vaccine is appropriate.
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PMID:Vaccination of black-footed ferret (Mustela nigripes) x Siberian polecat (M. eversmanni) hybrids and domestic ferrets (M. putorius furo)against canine distemper. 882 66

After several years of latency, feline immunodeficiency virus (FIV) and feline leukemia virus (FeLV) cause fatal disease in the cat. The aim of this study was to determine laboratory parameters characteristic of disease progression which would allow a better description of the asymptomatic phase and a better understanding of the pathogenesis of the two infections. Therefore, experimentally infected cats (FIV and/or FeLV positive) and control animals were observed over a period of 6.5 years under identical conditions. Blood samples were analyzed for the following: complete hematology, clinical chemistry, serum protein electrophoresis, and determination of CD4+ and CD8+ lymphocyte subsets. The following hematological and clinical chemistry parameters were markedly changed in the FIV-infected animals from month 9 onwards: glucose, serum protein, gamma globulins, sodium, urea, phosphorus, lipase, cholesterol, and triglyceride. In FeLV infection, the markedly changed parameters were mean corpuscular volume, mean corpuscular hemoglobin, aspartate aminotransferase, and urea. In contrast to reports of field studies, neither FIV-positive nor FeLV-positive animals developed persistent leukopenia, lymphopenia, or neutropenia. A significant decrease was found in the CD4+/CD8+ ratio in FIV-positive and FIV-FeLV-positive animals mainly due to loss of CD4+ lymphocytes. In FeLV-positive cats, both CD4+ and, to a lesser degree, CD8+ lymphocytes were decreased in long-term infection. The changes in FIV infection may reflect subclinical kidney dysfunction, changes in energy and lipid metabolism, and transient activation of the humoral immune response as described for human immunodeficiency virus (HIV) infections. The changes in FeLV infection may also reflect subclinical kidney dysfunction and, in addition, changes in erythrocyte and immune function of the animals. No severe clinical signs were observed in the FIV-positive cats, while FeLV had a severe influence on the life expectancy of persistently positive cats. In conclusion, several parameters of clinical chemistry and hematology were changed in FIV and FeLV infection. Monitoring of these parameters may prove useful for the evaluation of candidate FIV vaccines and antiretroviral drugs in cats. The many parallels between laboratory parameters in FIV and HIV infection further support the importance of FIV as a model for HIV.
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PMID:Parameters of disease progression in long-term experimental feline retrovirus (feline immunodeficiency virus and feline leukemia virus) infections: hematology, clinical chemistry, and lymphocyte subsets. 900 78

We studied the frequency, location, clinical and histopathological features, associated manifestations, and prognosis of vasculitides in a cohort of 667 SLE patients. Exclusion of patients with previous vasculitis or insufficient information left 540 patients, 194 of whom has vasculitis (incidence density: 0.053 new cases/person/year, cumulative incidence of 0.051 at one year, 0.232 at 5 years and 0.411 at 10 years). Vasculitis was confirmed by biopsy in 46 cases, by arteriography in five, and by both in three. A single episode of vasculitis occurred in 119 and two or more in 75 patients. Vasculitis was cutaneous in 160, visceral in 24, both in 10. In the first episode of cutaneous vasculitides, 111 had punctuate lesions, 32 palpable purpura, 6 urticaria, 6 ulcers, 8 papules, 5 erythematous plaques or macules confirmed with biopsy, 2 erythema with necrosis, and 1 panniculitis (plus small vessel vasculitis). Of 29 with visceral vasculitis in the first episode, 19 had mononeuritis multiplex, 5 digital necrosis, 3 large artery vasculitis of limbs, one mesenteric, and one coronary, more than one type could appear simultaneously or in subsequent episodes. Patients with vasculitis had longer disease duration and followup, younger age of onset of SLE, and were more frequently males than those without. Lupus manifestations associated with vasculitis in univariate logistic regression included myocarditis, psychosis, Raynaud's phenomenon, serositis, leukopenia, lymphopenia and pleuritis. Vasculitis also associated with the antiphospholipid syndrome. The strength of this association increased when patients with vasculitis confirmed by biopsy and/or arteriography were considered separately. Visceral vasculitis associated with increased mortality when controlled for age of onset and nephropathy.
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PMID:Vasculitis in systemic lupus erythematosus. 910 29

This study surveys the extent and severity of haematological abnormalities which occurred in 380 patients with pulmonary tuberculosis. Full blood count, bone marrow aspiration smears, and bone marrow trephine biopsy was analyzed by authors. Anaemia was present in 32 percent of patients. Leucocytosis with neutrophilia occurred in 18 percent. Leucopenia with neutropenia, and lymphopenia was observed in 16 percent in patients with very severe clinical tuberculosis. Elevated platelet count occurred in 8 percent with deep vein thrombosis in legs in 50 percent. Dysmyelopoietic syndrome was diagnosed in one case by bone marrow trephine biopsy. There was a close correlation between the haematological abnormalities and the severity of clinical findings of pulmonary tuberculosis. This survey has revealed that haematological abnormalities are relatively common in severe pulmonary tuberculosis. It seems that body weight loss, white blood cell count, haemoglobin level and erythrocyte sedimentation rate are useful indices of severity of the tuberculosis. The return of these indices to a normal level is a good indication of disease control in that they correlate with sputum conversion to acid-fast bacilli negative.
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PMID:[Hematologic abnormalities in pulmonary tuberculosiss]. 918 73

Infection of pigs with classical swine fever virus (CSFV), a member of the Flaviviridae family, causes a severe leukopenia, particularly notable with the lymphocytes. The goal of this study was to analyze mechanisms behind this CSFV-induced lymphopenia. To this end, the kinetics of leukocyte depletion, the appearance of apoptotic cells, and virus infection of leukocytes after infection of pigs with the virulent CSFV strain Brescia were analyzed. Depletion of B and T lymphocytes was noted as early as 1 day postinfection (p.i.). Circulating viable lymphocytes with reduced mitochondrial transmembrane potential--a particular early marker for apoptosis--were also detectable as early as 1 day p.i. When isolated peripheral blood mononuclear cells were cultured for 6 h, significantly more sub-G1 cells with reduced DNA content were detected among the lymphocytes from CSFV-infected animals, again as early as 1 to 3 days p.i. The first time virus was first found in the plasma, as well as infection of leukocytes, was 3 days p.i. However, throughout the observation time of 1 week, <3% of the circulating leukocytes and no lymphocytes contained virus or viral antigen. Further analysis of the T lymphocytes from infected animals demonstrated an increase in CD49d, major histocompatibility complex class II, and Fas expression. An increased susceptibility to apoptosis in vitro was also observed, particularly after addition of concanavalin A as well as apoptosis-inducing anti-Fas antibody to the cultures. Taken together, these results imply that activation-induced programmed cell death was the mechanism behind lymphopenia during classical swine fever.
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PMID:Lymphocyte apoptosis during classical swine fever: implication of activation-induced cell death. 949 36

Twenty Norwegian Red cattle, aged 8-10 months were used. Ten animals were inoculated intravenously with 3 ml of a whole blood dimethyl sulphoxide stabilate of a bovine strain of Ehrlichia (Cytoecetes) phagocytophila. The animals were observed on a daily basis for clinical symptoms and rectal temperatures were recorded daily for 36 days post inoculation. Blood and serum samples were collected regularly during the observation period. All infected animals developed fever of 2-4 days duration within a week. Six out of 10 animals had secondary temperature rises of 1-2 days duration. Three animals showed swellings in the hind limbs and a stiff gait. Compared with the control group, there was a 10% decrease in the mean haematocrit and a leukopenia that initially was due to a lymphopenia and later to a neutropenia. A monocytosis occurred after the subsidence of the primary fever period. A thrombocytopenia occurred during the early phase of infection. Granulocytic inclusions were detected for 18-32 days. All infected animals developed antibodies > or = 1:4096 to E. phagocytophila within 14 days post infection.
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PMID:Experimental infection with Ehrlichia phagocytophila in cattle. 964 99

To gain a better understanding of systemic lupus erythematosus (SLE) in Puerto Ricans we studied the clinical and serologic manifestations in a cohort of 134 patients. The female to male ratio was 18:1. Mean age at diagnosis was 32 +/- 12 y. The mean duration of disease and follow-up were 7.4 +/- 6.0 and 5.8 +/- 6.0 years respectively. Mortality was 3%. Photosensitivity (76.9%) and malar rash (71.9%) were the most common clinical manifestations. Arthritis was observed in 67.5% of patients. Anemia was seen in 67.2% of patients, but only 12.7% had autoimmune hemolytic anemia. Leukopenia (41.8%) and lymphopenia (64.9%) were also common. Serositis was observed in only 28%. Severe kidney damage such as nephrotic syndrome (14.2%) or renal failure (4%) was infrequent. Cardiovascular (12.7%) and neurologic (9.0%) manifestations were also uncommon. Antinuclear antibodies (ANA) were detected in 93.3%, anti-dsDNA antibodies in 54.5%, anti-Ro antibodies in 30.1% and anti-La antibodies in 14.2%. Low C3 and low C4 were observed in 38.3% and 35.7% respectively. This study suggests that Puerto Ricans with SLE present a mild form of disease predominantly manifested by cutaneous, musculoskeletal and hematologic involvement, but low prevalence of major organ damage and low mortality.
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PMID:Clinical and immunological manifestations in 134 Puerto Rican patients with systemic lupus erythematosus. 1041 6

The effect of an indigenous medical preparation--Brahma Rasayana (BR)--on the haemopoetic protection in cancer patients undergoing radio in association with chemotherapy was studied. Administration of BR accelerated the recovery of the haemopoetic system as seen by a rapid rise in total leukocytes. Both lymphocytes and neutrophils were significantly increased by Rasayana treatment. Nadir of WBC was 3633 +/- 120 and 2954 +/- 305 in treated and untreated patients. Nadir of neutrophils was 2830 +/- 964 in treated patients and 1791 +/- 922 in untreated patients. Nadir of lymphocytes remained almost unchanged. Total number of consecutive days of leukopenia, neutropenia and lymphopenia was also significantly reduced after the treatment. Rasayana treatment also made serum lipid peroxidation decrease confirming its capacity of reducing oxidative stress induced by cancer treatment. The use of this non-toxic preparation as an adjuvant in cancer therapy will prove out to be highly beneficial.
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PMID:Myeloprotective effect of a non-toxic indigenous preparation Rasayana in cancer patients receiving chemotherapy and radiation therapy. A pilot study. 1060 77


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