PubMed Health⌕ Search

SEARCH · PubMed Health

Results for “Conjunctivitis, Inclusion”

Explore indexed PubMed citations for clinical trials, systematic reviews and public health research. Read source abstracts and follow each citation to its original PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 829 records · Page 46Linked to original sources

Pathogenesis of two strains of lion (Panthera leo) morbillivirus in ferrets (Mustela putorius furo).

Canine distemper virus (CDV) was previously considered to have a host range restricted to the canid family. In 1994, the virus was associated with sporadic outbreaks of distemper in captive felids. However, after severe mortality occurred in the Serengeti lions (Panthera leo), attention became focused on the pathogenesis of the virus and a concerted effort was made to identify the virus as CDV or a closely related feline morbillivirus. The present study was designed to explore the susceptibility of ferrets to challenge with two morbilliviruses isolated from lions and the protective effects of a modified-live mink distemper vaccine. Because mortality in ferrets infected with pathogenic CDV approaches 100%, the ferret was selected as a test animal. Two strains of lion morbillivirus were used as a challenge, A92-27/20 (California lion isolate) and A94-11/13 (Serengeti lion isolate). The two strains of lion morbillivirus were antigenically related to CDV (Rockborn strain), and ferrets were susceptible to both of the viruses when inoculated intraperitoneally. The inoculated ferrets were anorectic at 5-6 days postinoculation (PI), exhibited oculonasal discharge at 9-12 days PI, and became moribund at 12-22 days PI. Severe bilateral conjunctivitis was the typical clinical sign. Inclusion bodies characteristic of morbillivirus (eosinophilic, intranuclear, and intracytoplasmic) were distributed in many epithelial cells, including those of the skin, conjunctiva, gallbladder, liver, pancreas, stomach, trachea, lung, urinary bladder, and kidney. Virus was reisolated from selected lung tissues collected at necropsy and identified by CDV-specific immunofluorescence. Ferrets vaccinated with the mink distemper vaccine (Onderstepoort strain) were protected from challenge with the two lion strains, adding further support to the premise that the viruses are closely related to CDV.

Animals↗

Tyzzer's disease as a complication of canine distemper in a raccoon.

Intercurrent canine distemper and Tyzzer's disease were diagnosed in a mature raccoon (Procyon lotor) submitted for necropsy. Clinical, gross and microscopic findings characteristic of canine distemper virus (CDV), included ataxia, dyspnea, suppurative conjunctivitis, interstitial pneumonitis and generalized lymphocytolysis. Inclusion bodies typical of CDV infection were present in many epithelial tissues. Acute multifocal hepatic necrosis and acute segmental necrotizing enteritis were attributed to the presence of Bacillus piliformis organisms in these lesions, confirmed by special stains and electron microscopy. This is apparently the first reported case of Tyzzer's disease in a raccoon.

Animals↗

Neutralization of vesicular stomatitis virus (VSV) by human complement requires a natural IgM antibody present in human serum.

Neutralization of VSV by human serum ws previously shown to involve C1, C2, C3, and C4 of the classical complement (C) pathway. All normal human sera tested were equivalently active in this regard. However, purified C1, C2, C3, and C4 were unable to mediate VSV neutralization. In the present studies an additional factor required for C-mediated neutralization was isolated from normal human serum and identified as a natural IgM antibody specific for a viral encoded antigen. Purified IgM bound to the virus and formed a complex that activated component C1. Normal serum concentrations of purified IgM, C1, C2, C3, C4 neutralized VSV to the same extent as normal serum. Purified IgM did not neutralize VSV alone or in conjunction with C1, C2, and C4. Inclusion of C3 resulted in full neutralization and C3b binding to the virus was demonstrated. Thus, normal human serum contains a natural antibody of the IgM class that is directed toward a viral antigen. The antibody facilitates neutralization by forming an immune complex that activates C1 and thus efficiently initiates the classical pathway at the viral surface. Neutralization occurs with C3b deposition on the viral envelope and probably results from a blanket of C protein that interferes with viral attachment to susceptible cells.

Absorption↗

Criteria for measuring the efficacy of trachoma vaccines in baboons.

Trachoma vaccines are usually assayed by testing their ability to protect monkeys or baboons against subsequent challenge of the conjunctiva with a pathogenic strain of trachoma/inclusion conjunctivitis (TRIC) agent. In such experiments the course of infection in vaccinated baboons was compared in terms of arbitrary scores assigned to a range of clinical signs, and of counts of TRIC inclusions in conjunctival scrapings. Analysis of many such scores indicated that after a large challenge dose of strain MRC-4s, the scores for signs of inflammation reached their maximum earlier than the follicle score; the inflammation score was closely related to the number of inclusions, whereas the follicle score was not. With this system, the optimum periods for eliciting differences between vaccinated and control measures varied according to the sign used; it was later for follicles than for inflammation or inclusions. For assessing the influence of vaccination, the mean of the inflammation scores read weekly for the first 3 weeks after challenge and the mean inclusion score over the same period were equally satisfactory, and either was rather better than the mean of three follicle scores taken over the period 3-6 weeks.For assessing the influence of vaccines or therapeutic agents on experimental trachoma it is important to determine which signs discriminate best between treated and control animals, and the optimum times for measuring them.

Animals↗

Cytoplasmic inclusions of Fabry's disease. Ultrastructural demonstration of their presence in urine sediment.

The diagnosis of Fabry's disease (angiokeratoma corporis diffusum universale) is usually confirmed by demonstrating typical cytoplasmic inclusions in a renal biopsy specimen, in conjunction with typical skin and ocular lesions and deficient alpha-galactosidase A activity in a male patient. Affected men are usually associated with carrier female family members. Electron microscopy of the urine sediment from two patients with Fabry's disease demonstrated typical laminated cytoplasmic inclusions within exfoliated epithelial cells. This method may be useful in the diagnosis of Fabry's disease and in screening of kin for hemizygotes and female carriers.

Cytoplasm↗

[Persistence of Chlamydia trachomatis in patients with chronic therapy refractory conjunctivitis].

We report three patients with recurrent Chlamydia-associated conjunctivitis. The clinical course of the Chlamydial infection was documented by positive conjunctival smears (direct immunofluorescence staining) and the evaluation of the IgA-titer in the sera (immunoperoxidase assay). The recovery of the ocular symptoms after therapy onset correlated well with the negative results of the conjunctival smears and the decrease in IgA level in the sera. The recurrence of the conjunctivitis was accompanied by an increase in the IgA titer in the sera of all three patients and the presence of Chlamydial elementary bodies in the conjunctival scrapings in two cases. Three patients showed immunologic pecularities: two had an allergic diathesis; the third patient developed Wegener disease 3 months after the onset of ocular inflammation. Inclusion bodies or Chlamydial DNA can persist in conjunctival cells. Anderson suggested that a recurrence of active Chlamydial infection may be induced by external causes, which lead to reconstitution of elementary bodies from the persisting DNA. The extraordinary immune situation of our patients might be one cause of the recurrent conjunctivitis.

Adult↗

Presenile dementia with progressive supranuclear palsy tangles and Pick bodies: an unusual degenerative disorder involving the cerebral cortex, cerebral nuclei, and brain stem nuclei.

Degeneration of heterogeneous systems in the central nervous system, with widespread distribution of argyrophilic neuronal fibrillary inclusions, was found in a patient with presenile dementia. Atrophy was circumscribed in the frontal and temporal lobes. Neuronal loss was severe in the basal ganglia, subthalamic nucleus, and substantia nigra. Immunocytochemical study using anti-phosphorylated tau and anti-ubiquitin antibodies in conjunction with ultrastructural observations revealed two types of inclusions: neurofibrillary tangles (NFTs) of progressive supranuclear palsy (PSP) in the Edinger-Westphal nucleus, locus coeruleus, cerebellar dentate nucleus, inferior olivary nucleus, and posterior horn of the spinal cord; and Pick bodies (PBs) in the atrophied cerebral cortex and red nucleus. PSP-type NFTs and PBs have been demonstrated in a single case for the first time. Despite their pathognomonic significance in certain disorders, we suggest that these inclusions may reflect a form of cytoskeletal disorganization, which is not entirely restricted to a single disease entity.

Adult↗

Detection of novel chlamydiae in cats with ocular disease.

OBJECTIVE: To detect and characterize the full range of chlamydial infections in cats with ocular disease by use of polymerase chain reaction (PCR) assays, cytologic examination, immunohistochemical analysis, and evaluation of clinical information including status for feline herpesvirus-1 (FeHV-1). SAMPLE POPULATION: DNA extracted from 226 conjunctival samples obtained from cats with clinically diagnosed keratitis or conjunctivitis and 30 conjunctival samples from healthy cats. PROCEDURE: PCR assays for the 16S rRNA gene specific for the order Chlamydiales and a new Chlamydophila felis (formerly Chlamydia psittaci) species-specific 23S rRNA gene were performed. Seventy-four conjunctival samples were prepared with Romanowsky-type stain, grouped on the basis of inflammatory pattern, and screened for chlamydial inclusions by use of immunohistochemical analysis. Clinical information and FeHV-1 status were recorded. RESULTS: 26 (12%) specimens had positive results for the only known feline chlamydial pathogen, C felis. Surprisingly, an additional 88 (39%) were positive for non-C felis chlamydial DNA. Identification of non-C felis chlamydial DNA by direct sequencing revealed 16S rRNA gene sequences that were 99% homologous to the sequence for Neochlamydia hartmannellae, an amebic endosymbiont. Chlamydial prevalence was significantly higher in cats with ocular disease. CONCLUSIONS AND CLINICAL RELEVANCE: Application of a broad-range detection method resulted in identification of a new agent associated with ocular disease in cats. Finding chlamydia-like agents such as N hartmannellae in coinfections with their obligate amebic host, Hartmannella vermiformis, raises questions about the potential role of these microorganisms in causation or exacerbation of ocular disease in cats.

Animals↗

Neuronal intranuclear hyaline inclusion disease: report of a case and review of the literature.

A case of neuronal intranuclear hyaline inclusion disease (NIHID) is described. The patient was a 26-year-old man who died of a progressive neurologic disorder, the onset of which occurred at the age of 11 years. Clinically, the disease presented as juvenile parkinsonism, and pathologically it was characterized by multiple-system degeneration in conjunction with the ubiquitous presence of intranuclear hyaline inclusions in neurons of the central and peripheral nervous system including the autonomic ganglia. Smaller and less eosinophilic intranuclear inclusions were also present in a small number of glial cells. The neuronal inclusions emitted a strong yellow-green autofluorescence under ultraviolet light and were composed of filaments 10-15 nm in diameter. The glial inclusions also consisted of similar filaments but their autofluorescence could not be determined with certainty because of their small size and background autofluorescence. A review of the literature revealed 19 similar autopsy cases up to 1987. Since the clinical presentation and distribution of neuronal loss as well as the characteristics of the inclusions showed some differences among the cases, some authors speculated that NIHID represented more than one variant of a multiple-system degenerative disease. However, about half of the reported cases had favorable sites of neurodegeneration, such as the pallidum, substantia nigra, motor nuclei of the brain stem, anterior horn cells, Clarke's column and spinal ganglion as well as similarities among the inclusions. Thus, there seems to be a discrete group among cases of NIHID.

Adult↗

Composite and free cartilage grafting.

The nasal ala and helical rim of the ear are common sites for the development of skin neoplasms. Removal of skin cancers from these aesthetically delicate areas may leave defects that free skin grafts alone may not adequately repair. The contractural forces of scarring within and around the skin graft during healing may produce elevation or notching of the rim and may lead to functional compromise. The use of a composite graft or the inclusion of a free cartilage graft in conjunction with a skin graft or flap repair can provide structural support, which may help to prevent undesirable outcomes. This article focuses on the use of composite or free cartilage grafts harvested from the ear to repair nasal alar or helical rim defects within a single surgical session. Preoperative considerations, surgical technique, and postsurgical complications are discussed.

Cartilage↗

The prediction of body composition in poultry by estimation in vivo of total body water with tritiated water and deuterium oxide.

1. Birds (n 169) which varied in age, live weight, nutritional history, physiological state and genotype were slaughtered and analysed for total body water. Before slaughter, birds were injected with the water isotopes tritiated water (TOH) or deuterium oxide (D2O), or both, to determine TOH space or D2O space, or both, as estimates of total body water in vivo. 2. At the mean total body water of all birds determined by desiccation, of 1096.4 (SD 424.1) g, TOH space and D2O space overestimated total body water by 10.4 and 8.5% respectively. The difference between the isotopes was significant (P less than 0.05). 3. Based on recovery of isotope it was postulated that the main reason for the observed overestimation of total body water in vivo was incomplete recovery of isotope due to the vacuum sublimation technique. The mean recovery (%) of added isotope to whole blood after vacuum sublimation was 93.0 (SD 2.6) and 92.4 (SD 5.5) of the theoretical concentrations of TOH and D2O respectively. 4. Nevertheless, accurate prediction of total body water was obtained from regression equations which included live weight and isotope-dilution space. Values required logarithmic (base 10) transformation before derivation of linear and multiple linear regression equations, and the precision of prediction was determined by the residual standard deviation (RSD). 5. Total body water could be predicted with nearly equal accuracy from live weight or isotope-dilution space (RSD 0.025 and 0.020 respectively). Prediction of carcass protein was more accurate from live weight (RSD 0.033) than from TOH space (RSD 0.036), and inclusion of both variables resulted in only a marginal decrease in RSD to 0.031. 6. The prediction of carcass fat and energy was markedly improved by the inclusion of isotope-dilution space in conjunction with live weight compared with live weight alone. 7. The relations show the developmental nature of body composition of domestic fowl given diets adequate in nutrients. The prediction equations demonstrate the precision possible for studies in which estimates of body composition in poultry are required without slaughter.

Animals↗

Genetic testing for cardiovascular disease susceptibility: a useful clinical management tool or possible misinformation?

Genetic susceptibility tests are already advertised on the Internet to identify individuals at above average risk for cardiovascular disease (CVD), such as deep vein thrombosis, hyperlipidemia, or atherosclerosis, whereas other tests claim to predict response to a particular drug treatment. Some kits are available to the public directly, bypassing a doctor. Their value, however, must be considered carefully, because although a genotype may be strongly and consistently associated with an intermediate trait, and because the intermediate trait is a strong predictor of CVD risk, there may be little or no association of genotype with risk over and above that of the measured trait. This is because multigenic effects and environmental modification (context dependency) of genotype effects determine CVD risk. An individual's personal characteristics and plasma risk-trait levels (which reflect both genotype and exposure) at present are the best predictors of clinical outcome. Only when genetic tests surpass this, possibly by the inclusion of many functional common variants, in conjunction with their context-dependent effects on risk, might their usefulness in clinical management be realized. Here we review some of the particular issues and concerns raised by CVD-risk genetic testing, and suggest areas of further research to address these issues.

Apolipoproteins E↗

Comparison of the efficacy and tolerability of topically administered azelastine, sodium cromoglycate and placebo in the treatment of seasonal allergic conjunctivitis and rhino-conjunctivitis.

OBJECTIVE AND SETTING: Azelastine (AZE) in a novel, eye drop, formulation, was compared with topically applied sodium cromoglycate (SCG) and placebo (PLA) in the treatment of seasonal allergic conjunctivitis or rhino-conjunctivitis in a multicentre, parallel group study. RESEARCH DESIGN: 144 subjects ranging in age from 16 to 65 years participated. All had at least a 2-year history of seasonal allergic conjunctivitis and were symptomatic at the time of inclusion. Medications were administered topically either twice daily (AZE/PLA) or four times daily (SCG) over a 2-week treatment period. Method and outcome measures: Azelastine and placebo were compared double-blind; the comparison versus SCG was carried out in an open manner. Itching, redness, flow of tears, eyelid swelling, foreign-body sensation, photophobia, soreness and discharge were scored on a 4-point severity scale. RESULTS: Results for the decrease of main conjunctivitis symptoms (itching, tearing and conjunctival redness) showed a marked effect for both active treatments on day 3 with a sustained improvement on days 7 and 14. A clear response to treatment (an improvement of sum scores for day 3 of >/=3 points compared to baseline) occurred in 85.4% of azelastine-treated patients, 83.0% of sodium cromoglycate patients and 56.3% of placebo patients. Response rates for both active treatments were statistically superior to those for placebo (azelastine p = 0.005; sodium cromoglycate p = 0.007). Global assessment of efficacy was at least 'satisfactory' for 90.0% of azelastine patients, 81.3% of sodium cromoglycate patients and 66.3% of placebo-treated patients. The most frequent adverse effects were transient application site reactions which tended to disappear with increasing duration of treatment, and, less frequently, taste perversion. CONCLUSION: The results of this study indicate that the therapeutic use of azelastine eye drops in patients with seasonal allergic conjunctivitis or rhino-conjunctivitis can be recommended.

Administration, Topical↗

Prophylactic antibiotics to prevent pneumonia and other complications after measles: community based randomised double blind placebo controlled trial in Guinea-Bissau.

OBJECTIVE: To investigate whether prophylactic antibiotics can prevent complications of measles. DESIGN: Community based, randomised, double blind, placebo controlled trial. SETTING: Bandim Health Project study area in Bissau, Guinea-Bissau, west Africa. PARTICIPANTS: 84 patients with measles during a measles epidemic in Bissau in 1998 (fewer than originally planned owing to interruption by war). INTERVENTIONS: Sulfamethoxazole-trimethoprim (co-trimoxazole) or placebo for seven days. MAIN OUTCOME MEASURES: Pneumonia and admission to hospital. Also weight change during the first month of infection, diarrhoea, severe fever, oral thrush, stomatitis, conjunctivitis, and otitis media. RESULTS: The median age of the patients with measles was 5.4 (range 0.49-24.8) years. One of 46 participants who received co-trimoxazole developed pneumonia, in contrast to six of 38 participants who received placebo (odds ratio 0.08 (95% confidence interval 0 to 0.56), adjusted for age group). The number needed to treat was 7 (4 to 48). All three participants admitted to hospital had received placebo (P=0.09). The weight gain during the first month after inclusion was 15 (2-29) g/day in the placebo group and 32 (23-42) g/day in the co-trimoxazole group (P=0.04, adjusted for age group, weight for age at inclusion, measles vaccination status, and duration of disease). Significantly less conjunctivitis occurred among recipients of co-trimoxazole than placebo, as well as a non-significant tendency to less diarrhoea, severe fever, oral thrush, and stomatitis. Complications of otitis media were the same in the two groups. CONCLUSIONS: The group that received prophylactic antibiotics had less pneumonia and conjunctivitis and had significantly higher weight gains in the month after inclusion. The results indicate that prophylactic antibiotics may have an important role in the management of measles infection in low income countries. TRIAL REGISTRATION: Clinical trials NCT00168532.

Adolescent↗